//
// This file is part of Open CASCADE Technology software library.
//
-// This library is free software; you can redistribute it and / or modify it
-// under the terms of the GNU Lesser General Public version 2.1 as published
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
ne marche pas. Contournement en appelant WNT_Window::Size(Int,Int).
16-08-98 : CAL ; S3892. Ajout grilles 3d.
09-09-98 : CAL ; S3892. Generalisation de TrsPoint.
-24-09-98 : CAL ; Ajout d'un parametre a V3d_View::SetPlotter.
06-10-98 : CAL ; Ajout d'un TIMER si CSF_GraphicTimer est definie.
16-10-98 : CAL ; Retrait d'un TIMER si CSF_GraphicTimer est definie.
06-11-98 : CAL ; PRO ?????. Probleme dans ZFitAll si un point dans la vue.
*/
#include <Standard_TypeMismatch.hxx>
+#include <Standard_ShortReal.hxx>
+#include <Standard_Assert.hxx>
+#include <Standard_ErrorHandler.hxx>
+#include <Standard_DivideByZero.hxx>
+
#include <Visual3d_ViewManager.hxx>
#include <Visual3d_Light.hxx>
-#include <Image_AlienPixMap.hxx>
+#include <Visual3d_Layer.hxx>
+
#include <V3d.hxx>
#include <V3d_View.ixx>
#include <V3d_BadValue.hxx>
#include <V3d_StereoDumpOptions.hxx>
-#include <Standard_ShortReal.hxx>
+
+#include <Image_AlienPixMap.hxx>
+
#include <gp_Dir.hxx>
#include <gp_Pln.hxx>
#include <TColStd_Array2OfReal.hxx>
-#include <Visual3d_TransientManager.hxx>
+#include <TColStd_HSequenceOfInteger.hxx>
+
+#include <Bnd_Box.hxx>
+
#include <Precision.hxx>
#include <Graphic3d_Structure.hxx>
#include <Graphic3d_AspectMarker3d.hxx>
#include <Graphic3d_GraphicDriver.hxx>
-// S3603
-#include <Aspect_GenericColorMap.hxx>
-#include <Aspect_TypeMap.hxx>
-#include <Aspect_WidthMap.hxx>
-#include <Aspect_MarkMap.hxx>
-#include <Aspect_FontMap.hxx>
-#include <TColStd_HSequenceOfInteger.hxx>
-
#define V3d_FLAG_COMPUTATION 0x00000004
// Perspective
#define DEUXPI (2. * M_PI)
-/*----------------------------------------------------------------------*/
-//-Constructors
-
+//=============================================================================
+//function : Constructor
+//purpose :
+//=============================================================================
V3d_View::V3d_View(const Handle(V3d_Viewer)& VM, const V3d_TypeOfView Type ) :
- MyProjModel(V3d_TPM_SCREEN),
MyViewer(VM.operator->()),
MyActiveLights(),
MyViewContext (),
myActiveLightsIterator(),
- SwitchSetFront(Standard_False),
- MyTrsf (1, 4, 1, 4),
- myAutoZFitMode (Standard_True)
+ SwitchSetFront(Standard_False),
+ MyTrsf (1, 4, 1, 4)
{
myImmediateUpdate = Standard_False;
MyView = new Visual3d_View(MyViewer->Viewer());
SetZCueingDepth (0.);
SetZCueingWidth (zsize);
SetDepth (VM->DefaultViewSize()/2.0);
- SetCenter (0.,0.);
SetViewMappingDefault();
+ SetViewOrientationDefault();
VM->AddView (this);
Init();
myImmediateUpdate = Standard_True;
MyTransparencyFlag = Standard_False;
}
-/*----------------------------------------------------------------------*/
-
+//=============================================================================
+//function : Constructor
+//purpose :
+//=============================================================================
V3d_View::V3d_View(const Handle(V3d_Viewer)& theVM,const Handle(V3d_View)& theView) :
-MyProjModel(V3d_TPM_SCREEN),
-MyViewer(theVM.operator->()),
-MyActiveLights(),
-MyViewContext (),
-myActiveLightsIterator(),
-SwitchSetFront(Standard_False),
-MyTrsf (1, 4, 1, 4),
-myAutoZFitMode (Standard_True)
+ MyViewer(theVM.operator->()),
+ MyActiveLights(),
+ MyViewContext (),
+ myActiveLightsIterator(),
+ SwitchSetFront(Standard_False),
+ MyTrsf (1, 4, 1, 4)
{
Handle(Visual3d_View) aFromView = theView->View();
MyViewContext = aFromView->Context() ;
SetCamera (new Graphic3d_Camera (theView->Camera()));
+ View()->SetAutoZFitMode (theView->View()->AutoZFitMode(), theView->View()->AutoZFitScaleFactor());
MyBackground = aFromView->Background() ;
MyGradientBackground = aFromView->GradientBackground();
SetAxis (0.0, 0.0, 0.0, 1.0, 1.0, 1.0);
+ SetViewMappingDefault();
+ SetViewOrientationDefault();
theVM->AddView (this);
Init();
myImmediateUpdate = Standard_True;
}
-/*----------------------------------------------------------------------*/
-
-//-Methods, in order
-
+//=============================================================================
+//function : SetMagnify
+//purpose :
+//=============================================================================
void V3d_View::SetMagnify(const Handle(Aspect_Window)& TheWindow,
const Handle(V3d_View)& aPreviousView,
const Standard_Integer x1,
}
}
-/*----------------------------------------------------------------------*/
-
+//=============================================================================
+//function : SetWindow
+//purpose :
+//=============================================================================
void V3d_View::SetWindow(const Handle(Aspect_Window)& TheWindow)
{
Standard_MultiplyDefined_Raise_if( MyView->IsDefined(),
MyView->Redraw() ;
}
-// RIC120302
-/*----------------------------------------------------------------------*/
-
+//=============================================================================
+//function : SetWindow
+//purpose :
+//=============================================================================
void V3d_View::SetWindow(const Handle(Aspect_Window)& aWindow,
const Aspect_RenderingContext aContext,
const Aspect_GraphicCallbackProc& aDisplayCB,
MyViewer->SetViewOn(this) ;
MyView->Redraw() ;
}
-// RIC120302
-
-/*----------------------------------------------------------------------*/
+//=============================================================================
+//function : Remove
+//purpose :
+//=============================================================================
void V3d_View::Remove() const
{
MyViewer->DelView (this);
aWin.Nullify();
}
-/*----------------------------------------------------------------------*/
-
+//=============================================================================
+//function : Update
+//purpose :
+//=============================================================================
void V3d_View::Update() const
{
- if( MyView->IsDefined() ) MyView->Update() ;
+ if( MyView->IsDefined() ) MyView->Update (Aspect_TOU_ASAP) ;
}
-/*----------------------------------------------------------------------*/
-
+//=============================================================================
+//function : Redraw
+//purpose :
+//=============================================================================
void V3d_View::Redraw() const
{
if( MyView->IsDefined() ) MyView->Redraw() ;
}
-/*----------------------------------------------------------------------*/
+//=============================================================================
+//function : RedrawImmediate
+//purpose :
+//=============================================================================
+void V3d_View::RedrawImmediate() const
+{
+ if (MyView->IsDefined())
+ {
+ MyView->RedrawImmediate();
+ }
+}
+
+//=============================================================================
+//function : Invalidate
+//purpose :
+//=============================================================================
+void V3d_View::Invalidate() const
+{
+ if (MyView->IsDefined())
+ {
+ MyView->Invalidate();
+ }
+}
+
+//=============================================================================
+//function : AutoZFit
+//purpose :
+//=============================================================================
+void V3d_View::AutoZFit()
+{
+ View()->AutoZFit();
+}
+
+//=============================================================================
+//function : ZFitAll
+//purpose :
+//=============================================================================
+void V3d_View::ZFitAll (const Standard_Real theScaleFactor)
+{
+ View()->ZFitAll (theScaleFactor);
+}
+//=============================================================================
+//function : Redraw
+//purpose :
+//=============================================================================
void V3d_View::Redraw(const Standard_Integer xc,const Standard_Integer yc,
const Standard_Integer width,const Standard_Integer height) const
{
if( MyView->IsDefined() ) MyView->Redraw(xc,yc,width,height) ;
}
-/*----------------------------------------------------------------------*/
-
+//=============================================================================
+//function : IsEmpty
+//purpose :
+//=============================================================================
Standard_Boolean V3d_View::IsEmpty() const
{
Standard_Boolean TheStatus = Standard_True ;
return (TheStatus) ;
}
-/*----------------------------------------------------------------------*/
-
+//=============================================================================
+//function : UpdateLights
+//purpose :
+//=============================================================================
void V3d_View::UpdateLights() const
{
MyView->SetContext(MyViewContext);
Update();
}
-/*----------------------------------------------------------------------*/
-
+//=============================================================================
+//function : DoMapping
+//purpose :
+//=============================================================================
void V3d_View::DoMapping()
{
if( MyView->IsDefined() ) {
}
}
-/*----------------------------------------------------------------------*/
-
+//=============================================================================
+//function : MustBeResized
+//purpose :
+//=============================================================================
void V3d_View::MustBeResized()
{
if ( !MyLayerMgr.IsNull() )
}
}
-/*----------------------------------------------------------------------*/
-
+//=============================================================================
+//function : SetBackgroundColor
+//purpose :
+//=============================================================================
void V3d_View::SetBackgroundColor(const Quantity_TypeOfColor Type, const Standard_Real v1, const Standard_Real v2, const Standard_Real v3)
{
Standard_Real V1 = Max( Min( v1, 1.0 ), 0.0 );
SetBackgroundColor( C );
}
-/*----------------------------------------------------------------------*/
-
+//=============================================================================
+//function : SetBackgroundColor
+//purpose :
+//=============================================================================
void V3d_View::SetBackgroundColor(const Quantity_Color &Color)
{
MyBackground.SetColor( Color );
MyLayerMgr->Resized();
}
-/*----------------------------------------------------------------------*/
-
+//=============================================================================
+//function : SetBackgroundColor
+//purpose :
+//=============================================================================
void V3d_View::SetBackgroundColor(const Quantity_NameOfColor Name)
{
Quantity_Color C( Name );
SetBackgroundColor( C );
}
-/*----------------------------------------------------------------------*/
-
+//=============================================================================
+//function : SetBgGradientColors
+//purpose :
+//=============================================================================
void V3d_View::SetBgGradientColors( const Quantity_Color& Color1,
const Quantity_Color& Color2,
const Aspect_GradientFillMethod FillStyle,
MyView->SetGradientBackground( MyGradientBackground, status );
}
-/*----------------------------------------------------------------------*/
-
+//=============================================================================
+//function : SetBgGradientColors
+//purpose :
+//=============================================================================
void V3d_View::SetBgGradientColors( const Quantity_NameOfColor Color1,
const Quantity_NameOfColor Color2,
const Aspect_GradientFillMethod FillStyle,
MyView->SetGradientBackground( MyGradientBackground, status );
}
-/*----------------------------------------------------------------------*/
-
+//=============================================================================
+//function : SetBgGradientStyle
+//purpose :
+//=============================================================================
void V3d_View::SetBgGradientStyle( const Aspect_GradientFillMethod FillStyle,
const Standard_Boolean update)
{
MyView->SetBgGradientStyle( FillStyle, update ) ;
}
-/*----------------------------------------------------------------------*/
-
+//=============================================================================
+//function : SetBackgroundImage
+//purpose :
+//=============================================================================
void V3d_View::SetBackgroundImage( const Standard_CString FileName,
const Aspect_FillMethod FillStyle,
const Standard_Boolean update )
#endif
}
-/*----------------------------------------------------------------------*/
-
+//=============================================================================
+//function : SetBgImageStyle
+//purpose :
+//=============================================================================
void V3d_View::SetBgImageStyle( const Aspect_FillMethod FillStyle,
const Standard_Boolean update )
{
#endif
}
-/*----------------------------------------------------------------------*/
-
+//=============================================================================
+//function : SetAxis
+//purpose :
+//=============================================================================
void V3d_View::SetAxis(const Standard_Real X, const Standard_Real Y, const Standard_Real Z, const Standard_Real Vx, const Standard_Real Vy, const Standard_Real Vz)
{
Standard_Real D,Nx = Vx,Ny = Vy,Nz = Vz ;
MyDefaultViewAxis.SetCoord(Nx,Ny,Nz) ;
}
-/*----------------------------------------------------------------------*/
-
+//=============================================================================
+//function : SetShadingModel
+//purpose :
+//=============================================================================
void V3d_View::SetShadingModel(const V3d_TypeOfShadingModel Model)
{
MyViewContext.SetModel((Visual3d_TypeOfModel) Model) ;
MyView->SetContext(MyViewContext) ;
}
-/*----------------------------------------------------------------------*/
-
+//=============================================================================
+//function : SetSurfaceDetail
+//purpose :
+//=============================================================================
void V3d_View::SetSurfaceDetail(const V3d_TypeOfSurfaceDetail Model)
{
MyViewContext.SetSurfaceDetail((Visual3d_TypeOfSurfaceDetail) Model) ;
MyView->SetContext(MyViewContext) ;
}
-/*----------------------------------------------------------------------*/
-
+//=============================================================================
+//function : SetTextureEnv
+//purpose :
+//=============================================================================
void V3d_View::SetTextureEnv(const Handle(Graphic3d_TextureEnv)& ATexture)
{
MyViewContext.SetTextureEnv(ATexture) ;
MyView->SetContext(MyViewContext) ;
}
-/*----------------------------------------------------------------------*/
-
+//=============================================================================
+//function : SetVisualization
+//purpose :
+//=============================================================================
void V3d_View::SetVisualization(const V3d_TypeOfVisualization Mode)
{
MyViewContext.SetVisualization((Visual3d_TypeOfVisualization) Mode);
MyView->SetContext(MyViewContext) ;
}
-/*----------------------------------------------------------------------*/
-
+//=============================================================================
+//function : SetFront
+//purpose :
+//=============================================================================
void V3d_View::SetFront()
{
gp_Ax3 a = MyViewer->PrivilegedPlane();
a.YDirection().Coord(xu,yu,zu);
a.Location().Coord(xo,yo,zo);
- myCamera->BeginUpdate();
myCamera->SetCenter (gp_Pnt (xo, yo, zo));
if(SwitchSetFront)
myCamera->SetDirection (gp_Dir (vx, vy, vz));
myCamera->SetDirection (gp_Dir (vx, vy, vz).Reversed());
myCamera->SetUp (gp_Dir (xu, yu, zu));
- AutoZFit();
- myCamera->EndUpdate();
+ View()->AutoZFit();
SwitchSetFront = !SwitchSetFront;
ImmediateUpdate();
}
-/*----------------------------------------------------------------------*/
-
+//=============================================================================
+//function : Rotate
+//purpose :
+//=============================================================================
void V3d_View::Rotate (const Standard_Real ax,
const Standard_Real ay,
const Standard_Real az,
myCamStartOpCenter = myCamera->Center();
}
- myCamera->BeginUpdate();
myCamera->SetUp (myCamStartOpUp);
myCamera->SetEye (myCamStartOpEye);
myCamera->SetCenter (myCamStartOpCenter);
myCamera->Transform (aTrsf);
- myCamera->EndUpdate();
-
- AutoZFit();
+ View()->AutoZFit();
ImmediateUpdate();
}
-/*----------------------------------------------------------------------*/
-
+//=============================================================================
+//function : Rotate
+//purpose :
+//=============================================================================
void V3d_View::Rotate(const Standard_Real ax, const Standard_Real ay, const Standard_Real az,
const Standard_Real X, const Standard_Real Y, const Standard_Real Z, const Standard_Boolean Start)
{
const Graphic3d_Vertex& aVref = myGravityReferencePoint;
- myCamera->BeginUpdate();
myCamera->SetUp (myCamStartOpUp);
myCamera->SetEye (myCamStartOpEye);
myCamera->SetCenter (myCamStartOpCenter);
aTrsf.Multiply (aRot[2]);
myCamera->Transform (aTrsf);
- myCamera->EndUpdate();
- AutoZFit();
+ View()->AutoZFit();
ImmediateUpdate();
}
-/*----------------------------------------------------------------------*/
-
+//=============================================================================
+//function : Rotate
+//purpose :
+//=============================================================================
void V3d_View::Rotate(const V3d_TypeOfAxe Axe, const Standard_Real angle, const Standard_Boolean Start)
{
switch (Axe) {
}
}
-/*----------------------------------------------------------------------*/
-
+//=============================================================================
+//function : Rotate
+//purpose :
+//=============================================================================
void V3d_View::Rotate(const V3d_TypeOfAxe Axe, const Standard_Real angle,
const Standard_Real X, const Standard_Real Y, const Standard_Real Z, const Standard_Boolean Start)
{
const Graphic3d_Vertex& aVref = myGravityReferencePoint;
- myCamera->BeginUpdate();
myCamera->SetUp (myCamStartOpUp);
myCamera->SetEye (myCamStartOpEye);
myCamera->SetCenter (myCamStartOpCenter);
aRotation.SetRotation (gp_Ax1 (aRCenter, aRAxis), Angle);
myCamera->Transform (aRotation);
- myCamera->EndUpdate();
-
- AutoZFit();
+ View()->AutoZFit();
ImmediateUpdate();
}
-/*----------------------------------------------------------------------*/
-
+//=============================================================================
+//function : Rotate
+//purpose :
+//=============================================================================
void V3d_View::Rotate(const Standard_Real angle, const Standard_Boolean Start)
{
Standard_Real Angle = angle;
const Graphic3d_Vertex& aPnt = MyDefaultViewPoint;
const Graphic3d_Vector& anAxis = MyDefaultViewAxis;
- myCamera->BeginUpdate();
myCamera->SetUp (myCamStartOpUp);
myCamera->SetEye (myCamStartOpEye);
myCamera->SetCenter (myCamStartOpCenter);
aRotation.SetRotation (gp_Ax1 (aRCenter, aRAxis), Angle);
myCamera->Transform (aRotation);
- myCamera->EndUpdate();
-
- AutoZFit();
+ View()->AutoZFit();
ImmediateUpdate();
}
-/*----------------------------------------------------------------------*/
-
+//=============================================================================
+//function : Turn
+//purpose :
+//=============================================================================
void V3d_View::Turn(const Standard_Real ax, const Standard_Real ay, const Standard_Real az, const Standard_Boolean Start)
{
Standard_Real Ax = ax;
myCamStartOpCenter = myCamera->Center();
}
- myCamera->BeginUpdate();
myCamera->SetUp (myCamStartOpUp);
myCamera->SetEye (myCamStartOpEye);
myCamera->SetCenter (myCamStartOpCenter);
aTrsf.Multiply (aRot[2]);
myCamera->Transform (aTrsf);
- myCamera->EndUpdate();
- AutoZFit();
+ View()->AutoZFit();
ImmediateUpdate();
}
-/*----------------------------------------------------------------------*/
-
+//=============================================================================
+//function : Turn
+//purpose :
+//=============================================================================
void V3d_View::Turn(const V3d_TypeOfAxe Axe, const Standard_Real angle, const Standard_Boolean Start)
{
switch (Axe) {
}
}
+//=============================================================================
+//function : Turn
+//purpose :
+//=============================================================================
void V3d_View::Turn(const Standard_Real angle, const Standard_Boolean Start)
{
Standard_Real Angle = angle ;
myCamStartOpCenter = myCamera->Center();
}
- myCamera->BeginUpdate();
myCamera->SetUp (myCamStartOpUp);
myCamera->SetEye (myCamStartOpEye);
myCamera->SetCenter (myCamStartOpCenter);
aRotation.SetRotation (gp_Ax1 (aRCenter, aRAxis), Angle);
myCamera->Transform (aRotation);
- myCamera->EndUpdate();
-
- AutoZFit();
+ View()->AutoZFit();
ImmediateUpdate();
}
+//=============================================================================
+//function : SetTwist
+//purpose :
+//=============================================================================
void V3d_View::SetTwist(const Standard_Real angle)
{
Standard_Real Angle = angle ;
Standard_Real myYscreenAxisX, myYscreenAxisY, myYscreenAxisZ;
myYscreenAxis.Coord (myYscreenAxisX, myYscreenAxisY, myYscreenAxisZ);
-
- myCamera->BeginUpdate();
+
myCamera->SetUp (gp_Dir (myYscreenAxisX, myYscreenAxisY, myYscreenAxisZ));
myCamera->Transform (aTrsf);
- myCamera->EndUpdate();
- AutoZFit();
+ View()->AutoZFit();
ImmediateUpdate();
}
-void V3d_View::SetAutoZFitMode (Standard_Boolean theMode)
-{
- myAutoZFitMode = theMode;
-}
-
-Standard_Boolean V3d_View::AutoZFitMode () const
-{
- return myAutoZFitMode;
-}
-
+//=============================================================================
+//function : SetEye
+//purpose :
+//=============================================================================
void V3d_View::SetEye(const Standard_Real X,const Standard_Real Y,const Standard_Real Z)
{
- Standard_Real Angle;
- Angle = Twist();
+ Standard_Real aTwistBefore = Twist();
- myCamera->SetEye (gp_Pnt (X, Y, Z));
+ Standard_Boolean wasUpdateEnabled = SetImmediateUpdate (Standard_False);
- Standard_Boolean update = myImmediateUpdate;
- myImmediateUpdate = Standard_False;
+ myCamera->SetEye (gp_Pnt (X, Y, Z));
+ SetTwist (aTwistBefore);
- SetTwist(Angle);
+ View()->AutoZFit();
- AutoZFit();
+ SetImmediateUpdate (wasUpdateEnabled);
- myImmediateUpdate = update;
ImmediateUpdate();
}
+//=============================================================================
+//function : SetDepth
+//purpose :
+//=============================================================================
void V3d_View::SetDepth(const Standard_Real Depth)
{
V3d_BadValue_Raise_if (Depth == 0. ,"V3d_View::SetDepth, bad depth");
myCamera->SetDistance (Depth);
}
else
- {
+ {
// Move the view ref point instead of the eye.
gp_Vec aDir (myCamera->Direction());
gp_Pnt aCameraEye = myCamera->Eye();
- gp_Pnt aCameraCenter = aCameraEye.Translated (aDir.Multiplied (Abs (Depth)));
-
+ gp_Pnt aCameraCenter = aCameraEye.Translated (aDir.Multiplied (Abs (Depth)));
+
myCamera->SetCenter (aCameraCenter);
}
- AutoZFit();
+ View()->AutoZFit();
ImmediateUpdate();
}
-
+//=============================================================================
+//function : SetProj
+//purpose :
+//=============================================================================
void V3d_View::SetProj( const Standard_Real Vx,const Standard_Real Vy, const Standard_Real Vz )
{
- Standard_Real Angle ;
-
V3d_BadValue_Raise_if( Sqrt(Vx*Vx + Vy*Vy + Vz*Vz) <= 0.,
"V3d_View::SetProj, null projection vector");
- Angle = Twist();
+ Standard_Real aTwistBefore = Twist();
+
+ Standard_Boolean wasUpdateEnabled = SetImmediateUpdate (Standard_False);
myCamera->SetDirection (gp_Dir (Vx, Vy, Vz).Reversed());
- Standard_Boolean update = myImmediateUpdate;
- myImmediateUpdate = Standard_False;
+ SetTwist(aTwistBefore);
- if( MyProjModel == V3d_TPM_SCREEN ) SetTwist(Angle) ;
+ View()->AutoZFit();
- AutoZFit();
+ SetImmediateUpdate (wasUpdateEnabled);
- myImmediateUpdate = update;
ImmediateUpdate();
}
+//=============================================================================
+//function : SetProj
+//purpose :
+//=============================================================================
void V3d_View::SetProj( const V3d_TypeOfOrientation Orientation )
{
Standard_Real Xpn=0;
}
const Graphic3d_Vector& aBck = V3d::GetProjAxis (Orientation);
- myCamera->BeginUpdate();
+
+ // retain camera panning from origin when switching projection
+ gp_Pnt anOriginVCS = myCamera->ConvertWorld2View (gp::Origin());
+ Standard_Real aPanX = anOriginVCS.X();
+ Standard_Real aPanY = anOriginVCS.Y();
+
myCamera->SetCenter (gp_Pnt (0, 0, 0));
myCamera->SetDirection (gp_Dir (aBck.X(), aBck.Y(), aBck.Z()).Reversed());
myCamera->SetUp (gp_Dir (Xpn, Ypn, Zpn));
- myCamera->EndUpdate();
+ myCamera->OrthogonalizeUp();
- AutoZFit();
+ Panning (aPanX, aPanY);
+
+ View()->AutoZFit();
ImmediateUpdate();
}
+//=============================================================================
+//function : SetAt
+//purpose :
+//=============================================================================
void V3d_View::SetAt(const Standard_Real X,const Standard_Real Y,const Standard_Real Z)
{
- Standard_Real Angle;
+ Standard_Real aTwistBefore = Twist();
- Angle = Twist();
+ Standard_Boolean wasUpdateEnabled = SetImmediateUpdate (Standard_False);
myCamera->SetCenter (gp_Pnt (X, Y, Z));
- Standard_Boolean update = myImmediateUpdate;
- myImmediateUpdate = Standard_False;
- SetTwist(Angle) ;
+ SetTwist (aTwistBefore);
+
+ View()->AutoZFit();
- AutoZFit();
+ SetImmediateUpdate (wasUpdateEnabled);
- myImmediateUpdate = update;
ImmediateUpdate();
}
+//=============================================================================
+//function : SetUp
+//purpose :
+//=============================================================================
void V3d_View::SetUp(const Standard_Real Vx,const Standard_Real Vy,const Standard_Real Vz)
{
Standard_Boolean TheStatus ;
Standard_Real myYscreenAxisX, myYscreenAxisY, myYscreenAxisZ;
myYscreenAxis.Coord (myYscreenAxisX, myYscreenAxisY, myYscreenAxisZ);
- myCamera->BeginUpdate();
myCamera->SetUp (gp_Dir (myYscreenAxisX, myYscreenAxisY, myYscreenAxisZ));
- AutoZFit();
- myCamera->EndUpdate();
+
+ View()->AutoZFit();
ImmediateUpdate();
}
+//=============================================================================
+//function : SetUp
+//purpose :
+//=============================================================================
void V3d_View::SetUp( const V3d_TypeOfOrientation Orientation )
{
Standard_Boolean TheStatus ;
Standard_Real myYscreenAxisX, myYscreenAxisY, myYscreenAxisZ;
myYscreenAxis.Coord (myYscreenAxisX, myYscreenAxisY, myYscreenAxisZ);
- myCamera->BeginUpdate();
myCamera->SetUp (gp_Dir (myYscreenAxisX, myYscreenAxisY, myYscreenAxisZ));
- AutoZFit();
- myCamera->EndUpdate();
+
+ View()->AutoZFit();
ImmediateUpdate();
}
+//=============================================================================
+//function : SetViewOrientationDefault
+//purpose :
+//=============================================================================
void V3d_View::SetViewOrientationDefault()
{
MyView->SetViewOrientationDefault() ;
ImmediateUpdate();
}
+//=============================================================================
+//function : ResetViewOrientation
+//purpose :
+//=============================================================================
void V3d_View::ResetViewOrientation()
{
MyView->ViewOrientationReset() ;
ImmediateUpdate();
}
+//=============================================================================
+//function : Reset
+//purpose :
+//=============================================================================
void V3d_View::Reset( const Standard_Boolean update )
{
Handle(Graphic3d_Camera) aDefaultCamera = MyView->DefaultCamera();
if (!aDefaultCamera.IsNull())
{
- myCamera->BeginUpdate();
myCamera->CopyMappingData (aDefaultCamera);
myCamera->CopyOrientationData (aDefaultCamera);
- myCamera->EndUpdate();
+
+ View()->AutoZFit();
}
- AutoZFit();
SwitchSetFront = Standard_False;
if( !myImmediateUpdate && update ) Update();
}
-void V3d_View::Panning(const Standard_Real Dx, const Standard_Real Dy, const Quantity_Factor aZoomFactor, const Standard_Boolean Start)
+//=======================================================================
+//function : SetCenter
+//purpose :
+//=======================================================================
+void V3d_View::SetCenter (const Standard_Integer theXp,
+ const Standard_Integer theYp)
{
- V3d_BadValue_Raise_if( aZoomFactor <= 0.,"V3d_View::Panning, bad zoom factor");
-
- if( Start ) {
- myCamStartOpEye = myCamera->Eye();
- myCamStartOpCenter = myCamera->Center();
- myCamProjectionShift = myCamera->ProjectionShift();
- }
-
- myCamera->BeginUpdate();
- myCamera->SetEye (myCamStartOpEye);
- myCamera->SetCenter (myCamStartOpCenter);
- myCamera->SetProjectionShift (myCamProjectionShift);
- PanCamera (-Dx, -Dy);
- gp_Pnt aViewDims = myCamera->ViewDimensions();
- ZoomCamera (aViewDims.X() / aZoomFactor, aViewDims.Y() / aZoomFactor);
- myCamera->EndUpdate();
+ Standard_Real aXv, aYv;
+ Convert (theXp, theYp, aXv, aYv);
+ Translate (myCamera, aXv, aYv);
ImmediateUpdate();
}
-void V3d_View::SetCenter(const Standard_Integer X, const Standard_Integer Y)
-{
- Standard_Real x,y;
- Convert(X,Y,x,y);
- SetCenter(x,y);
-}
-
-void V3d_View::SetCenter(const Standard_Real Xc, const Standard_Real Yc)
+//=============================================================================
+//function : SetSize
+//purpose :
+//=============================================================================
+void V3d_View::SetSize (const Standard_Real theSize)
{
- myCamera->SetProjectionShift (gp_Pnt (-Xc, -Yc, 0.0));
-
- ImmediateUpdate();
-}
+ V3d_BadValue_Raise_if (theSize <= 0.0, "V3d_View::SetSize, Window Size is NULL");
-void V3d_View::SetSize(const Standard_Real Size)
-{
- V3d_BadValue_Raise_if( Size <= 0.,
- "V3d_View::SetSize, Window Size is NULL");
+ myCamera->SetScale (myCamera->Aspect() >= 1.0 ? theSize / myCamera->Aspect() : theSize);
- myCamera->BeginUpdate();
- myCamera->SetScale (Size);
- AutoZFit();
- myCamera->EndUpdate();
+ View()->AutoZFit();
ImmediateUpdate();
}
+//=============================================================================
+//function : SetZSize
+//purpose :
+//=============================================================================
void V3d_View::SetZSize(const Standard_Real Size)
{
Standard_Real Zmax = Size/2.;
Standard_Real Front = MyViewContext.ZClippingFrontPlane();
Standard_Real Back = MyViewContext.ZClippingBackPlane();
- myCamera->SetZFar (Zmax + aDistance * 2.0);
- myCamera->SetZNear (-Zmax + aDistance);
+ // ShortReal precision factor used to add meaningful tolerance to
+ // ZNear, ZFar values in order to avoid equality after type conversion
+ // to ShortReal matrices type.
+ const Standard_Real aPrecision = 1.0 / Pow (10.0, ShortRealDigits() - 1);
+
+ Standard_Real aZFar = Zmax + aDistance * 2.0;
+ Standard_Real aZNear = -Zmax + aDistance;
+ aZNear -= Abs (aZNear) * aPrecision;
+ aZFar += Abs (aZFar) * aPrecision;
+
+ if (!myCamera->IsOrthographic())
+ {
+ if (aZFar < aPrecision)
+ {
+ // Invalid case when both values are negative
+ aZNear = aPrecision;
+ aZFar = aPrecision * 2.0;
+ }
+ else if (aZNear < Abs (aZFar) * aPrecision)
+ {
+ // Z is less than 0.0, try to fix it using any appropriate z-scale
+ aZNear = Abs (aZFar) * aPrecision;
+ }
+ }
+
+ // If range is too small
+ if (aZFar < (aZNear + Abs (aZFar) * aPrecision))
+ {
+ aZFar = aZNear + Abs (aZFar) * aPrecision;
+ }
+
+ myCamera->SetZRange (aZNear, aZFar);
if (MyViewContext.FrontZClippingIsOn() ||
MyViewContext.BackZClippingIsOn())
}
}
+//=============================================================================
+//function : SetZoom
+//purpose :
+//=============================================================================
void V3d_View::SetZoom(const Standard_Real Coef,const Standard_Boolean Start)
{
V3d_BadValue_Raise_if( Coef <= 0.,"V3d_View::SetZoom, bad coefficient");
coef = aViewHeight / 1e12;
}
- myCamera->BeginUpdate();
myCamera->SetEye (myCamStartOpEye);
myCamera->SetCenter (myCamStartOpCenter);
myCamera->SetScale (myCamera->Scale() / Coef);
- AutoZFit();
- myCamera->EndUpdate();
+ View()->AutoZFit();
ImmediateUpdate();
}
+//=============================================================================
+//function : SetScale
+//purpose :
+//=============================================================================
void V3d_View::SetScale( const Standard_Real Coef )
{
V3d_BadValue_Raise_if( Coef <= 0. ,"V3d_View::SetScale, bad coefficient");
Handle(Graphic3d_Camera) aDefaultCamera = MyView->DefaultCamera();
- myCamera->BeginUpdate();
-
// Strange behavior for the sake of compatibility.
if (!aDefaultCamera.IsNull())
{
myCamera->SetScale (myCamera->Scale() / Coef);
}
- AutoZFit();
- myCamera->EndUpdate();
+ View()->AutoZFit();
ImmediateUpdate();
}
+//=============================================================================
+//function : SetAxialScale
+//purpose :
+//=============================================================================
void V3d_View::SetAxialScale( const Standard_Real Sx, const Standard_Real Sy, const Standard_Real Sz )
{
V3d_BadValue_Raise_if( Sx <= 0. || Sy <= 0. || Sz <= 0.,"V3d_View::SetAxialScale, bad coefficient");
- myCamera->BeginUpdate();
- myCamera->SetAxialScale (gp_Pnt (Sx, Sy, Sz));
- AutoZFit();
- myCamera->EndUpdate();
-}
-
-void V3d_View::FitAll(const Standard_Real Coef, const Standard_Boolean update)
-{
- Standard_Real Xmin, Ymin, Zmin, Xmax, Ymax, Zmax;
-
- // retrieve min / max values for current displayed objects
- MyView->MinMaxValues (Xmin, Ymin, Zmin,
- Xmax, Ymax, Zmax);
-
- Standard_Real LIM = ShortRealLast() - 1.0;
- if (Abs(Xmin) > LIM || Abs(Ymin) > LIM || Abs(Zmin) > LIM
- || Abs(Xmax) > LIM || Abs(Ymax) > LIM || Abs(Zmax) > LIM)
- {
- ImmediateUpdate();
- return;
- }
-
- myCamera->BeginUpdate();
- FitCamera (Xmin, Ymin, Zmin, Xmax, Ymax, Zmax);
- myCamera->SetScale (myCamera->Scale() * (1.0 + Coef));
- AutoZFit();
- myCamera->EndUpdate();
-
- if (myImmediateUpdate || update)
- {
- Update();
- }
+ myCamera->SetAxialScale (gp_XYZ (Sx, Sy, Sz));
+ View()->AutoZFit();
}
-//===============================================================================================
-//function : AutoZFit
+//=============================================================================
+//function : FitAll
//purpose :
-//===============================================================================================
-void V3d_View::AutoZFit()
-{
- if (myAutoZFitMode)
- {
- ZFitAll();
- }
-}
-
-void V3d_View::ZFitAll (const Standard_Real theCoeff)
+//=============================================================================
+void V3d_View::FitAll (const Standard_Real theMargin, const Standard_Boolean theToUpdate)
{
- V3d_BadValue_Raise_if (theCoeff <= 0.0, "V3d_View::ZFitAll, bad margin coefficient");
-
- Standard_Real aMinMax[6];
-
- MyView->MinMaxValues (aMinMax[0], aMinMax[1], aMinMax[2], aMinMax[3], aMinMax[4], aMinMax[5]);
+ Standard_ASSERT_RAISE (theMargin >= 0.0 && theMargin < 1.0, "Invalid margin coefficient");
- gp_Pnt aBMin = gp_Pnt (aMinMax[0], aMinMax[1], aMinMax[2]);
- gp_Pnt aBMax = gp_Pnt (aMinMax[3], aMinMax[4], aMinMax[5]);
-
- // check bounding box for validness
- Standard_Real aLim = (ShortRealLast() - 1.0);
- if (Abs (aBMin.X()) > aLim || Abs (aBMin.Y()) > aLim || Abs (aBMin.Z()) > aLim ||
- Abs (aBMax.X()) > aLim || Abs (aBMax.Y()) > aLim || Abs (aBMax.Z()) > aLim)
+ if (MyView->NumberOfDisplayedStructures() == 0)
{
- SetZSize (0.0);
- ImmediateUpdate();
return;
}
- // adapt bound points
- gp_Pnt aPnts[8] =
- { gp_Pnt (aBMin.X(), aBMin.Y(), aBMin.Z()),
- gp_Pnt (aBMin.X(), aBMin.Y(), aBMax.Z()),
- gp_Pnt (aBMin.X(), aBMax.Y(), aBMin.Z()),
- gp_Pnt (aBMin.X(), aBMax.Y(), aBMax.Z()),
- gp_Pnt (aBMax.X(), aBMin.Y(), aBMin.Z()),
- gp_Pnt (aBMax.X(), aBMin.Y(), aBMax.Z()),
- gp_Pnt (aBMax.X(), aBMax.Y(), aBMin.Z()),
- gp_Pnt (aBMax.X(), aBMax.Y(), aBMax.Z()) };
-
- // camera Eye plane
- gp_Dir aDir = myCamera->Direction();
- gp_Pnt anEye = myCamera->Eye();
- gp_Pln aCamPln (anEye, aDir);
-
- Standard_Real aMinDist = RealLast() - 1;
- Standard_Real aMaxDist = RealFirst() + 1;
-
- gp_Pnt anAxialScale = myCamera->AxialScale();
+ Standard_Real aXmin, aYmin, aZmin, aXmax, aYmax, aZmax;
+ MyView->MinMaxValues (aXmin, aYmin, aZmin, aXmax, aYmax, aZmax);
+ gp_XYZ aMin (aXmin, aYmin, aZmin);
+ gp_XYZ aMax (aXmax, aYmax, aZmax);
- // get minimum and maximum distances to the eye plane
- for (Standard_Integer aPntIt = 0; aPntIt < 8; ++aPntIt)
+ if (!FitMinMax (myCamera, aMin, aMax, theMargin, 10.0 * Precision::Confusion()))
{
- gp_Pnt aPnt = aPnts[aPntIt];
-
- aPnt = gp_Pnt (aPnt.X() * anAxialScale.X(),
- aPnt.Y() * anAxialScale.Y(),
- aPnt.Z() * anAxialScale.Z());
-
- Standard_Real aDistance = aCamPln.Distance (aPnt);
-
- // check if the camera is intruded into the scene
- if (aDir.IsOpposite (gp_Vec (anEye, aPnt), M_PI * 0.5))
- {
- aDistance *= -1;
- }
-
- aMinDist = Min (aDistance, aMinDist);
- aMaxDist = Max (aDistance, aMaxDist);
+ return;
}
- // compute depth of bounding box center
- Standard_Real aMidDepth = (aMinDist + aMaxDist) * 0.5;
- Standard_Real aHalfDepth = (aMaxDist - aMinDist) * 0.5;
-
- // compute enlarged or shrank near and far z ranges.
- Standard_Real aZNear = aMidDepth - aHalfDepth * theCoeff;
- Standard_Real aZFar = aMidDepth + aHalfDepth * theCoeff;
+ View()->AutoZFit();
- myCamera->BeginUpdate();
-
- if (myCamera->IsOrthographic())
- {
- myCamera->SetZFar (myCamera->Distance() * 3.0);
- myCamera->SetZNear (0.0);
-
- if (aZNear < 0.0)
- {
- myCamera->SetDistance (myCamera->Distance() - (aZNear + myCamera->ZNear()) + 10.0);
- }
- }
- else
+ if (myImmediateUpdate || theToUpdate)
{
- myCamera->SetZFar (aZFar);
- myCamera->SetZNear (aZNear);
+ Update();
}
-
- myCamera->EndUpdate();
-
- ImmediateUpdate();
}
-
-// Better to use ZFitAll instead.
+//=============================================================================
+//function : DepthFitAll
+//purpose :
+//=============================================================================
void V3d_View::DepthFitAll(const Quantity_Coefficient Aspect,
const Quantity_Coefficient Margin)
{
ImmediateUpdate();
}
-void V3d_View::FitAll(const Standard_Real Xmin, const Standard_Real Ymin, const Standard_Real Xmax, const Standard_Real Ymax)
+//=============================================================================
+//function : FitAll
+//purpose :
+//=============================================================================
+void V3d_View::FitAll(const Standard_Real theMinXv,
+ const Standard_Real theMinYv,
+ const Standard_Real theMaxXv,
+ const Standard_Real theMaxYv)
{
- FitAll(MyWindow,Xmin,Ymin,Xmax,Ymax);
-
- ImmediateUpdate();
+ FitAll (MyWindow, theMinXv, theMinYv, theMaxXv, theMaxYv);
}
-void V3d_View::WindowFitAll(const Standard_Integer Xmin, const Standard_Integer Ymin, const Standard_Integer Xmax, const Standard_Integer Ymax)
+//=============================================================================
+//function : WindowFitAll
+//purpose :
+//=============================================================================
+void V3d_View::WindowFitAll(const Standard_Integer Xmin,
+ const Standard_Integer Ymin,
+ const Standard_Integer Xmax,
+ const Standard_Integer Ymax)
{
WindowFit(Xmin,Ymin,Xmax,Ymax);
}
-void V3d_View::WindowFit(const Standard_Integer Xmin, const Standard_Integer Ymin, const Standard_Integer Xmax, const Standard_Integer Ymax)
+//=======================================================================
+//function : WindowFit
+//purpose :
+//=======================================================================
+void V3d_View::WindowFit (const Standard_Integer theMinXp,
+ const Standard_Integer theMinYp,
+ const Standard_Integer theMaxXp,
+ const Standard_Integer theMaxYp)
{
+ Standard_Boolean wasUpdateEnabled = SetImmediateUpdate (Standard_False);
+
if (!myCamera->IsOrthographic())
{
// normalize view coordiantes
Standard_Real aDepth = myCamera->Project (myCamera->Center()).Z();
// camera projection coordinate are in NDC which are normalized [-1, 1]
- Standard_Real aUMin = (2.0 / aWinWidth) * Xmin - 1.0;
- Standard_Real aUMax = (2.0 / aWinWidth) * Xmax - 1.0;
- Standard_Real aVMin = (2.0 / aWinHeight) * Ymin - 1.0;
- Standard_Real aVMax = (2.0 / aWinHeight) * Ymax - 1.0;
+ Standard_Real aUMin = (2.0 / aWinWidth) * theMinXp - 1.0;
+ Standard_Real aUMax = (2.0 / aWinWidth) * theMaxXp - 1.0;
+ Standard_Real aVMin = (2.0 / aWinHeight) * theMinYp - 1.0;
+ Standard_Real aVMax = (2.0 / aWinHeight) * theMaxYp - 1.0;
// compute camera panning
gp_Pnt aScreenCenter (0.0, 0.0, aDepth);
Standard_Real aUSize = aViewTopRight.X() - aViewBotLeft.X();
Standard_Real aVSize = aViewTopRight.Y() - aViewBotLeft.Y();
- myCamera->BeginUpdate();
- PanCamera (aPanVec.X(), -aPanVec.Y());
- ZoomCamera (aUSize, aVSize);
- AutoZFit();
- myCamera->EndUpdate();
+ Translate (myCamera, aPanVec.X(), -aPanVec.Y());
+ Scale (myCamera, aUSize, aVSize);
+ View()->AutoZFit();
}
else
{
- Standard_Real x1,y1,x2,y2;
- Convert(Xmin,Ymin,x1,y1);
- Convert(Xmax,Ymax,x2,y2);
-
- FitAll(x1,y1,x2,y2);
+ Standard_Real aX1, aY1, aX2, aY2;
+ Convert (theMinXp, theMinYp, aX1, aY1);
+ Convert (theMaxXp, theMaxYp, aX2, aY2);
+ FitAll (aX1, aY1, aX2, aY2);
}
+
+ SetImmediateUpdate (wasUpdateEnabled);
+
+ ImmediateUpdate();
}
+//=======================================================================
+//function : SetViewMappingDefault
+//purpose :
+//=======================================================================
void V3d_View::SetViewMappingDefault()
{
MyView->SetViewMappingDefault();
ImmediateUpdate();
}
+//=======================================================================
+//function : ResetViewMapping
+//purpose :
+//=======================================================================
void V3d_View::ResetViewMapping()
{
MyView->ViewMappingReset();
Update();
}
-void V3d_View::ConvertToGrid(const Standard_Integer Xp, const Standard_Integer Yp, Standard_Real& Xg, Standard_Real& Yg, Standard_Real& Zg) const
+//=======================================================================
+//function : ConvertToGrid
+//purpose :
+//=======================================================================
+void V3d_View::ConvertToGrid(const Standard_Integer Xp,
+ const Standard_Integer Yp,
+ Standard_Real& Xg,
+ Standard_Real& Yg,
+ Standard_Real& Zg) const
{
Graphic3d_Vertex aVrp;
Standard_Real anX, anY, aZ;
aVrp.Coord (Xg,Yg,Zg) ;
}
-void V3d_View::ConvertToGrid(const Standard_Real X, const Standard_Real Y, const Standard_Real Z, Standard_Real& Xg, Standard_Real& Yg, Standard_Real& Zg) const
+//=======================================================================
+//function : ConvertToGrid
+//purpose :
+//=======================================================================
+void V3d_View::ConvertToGrid(const Standard_Real X,
+ const Standard_Real Y,
+ const Standard_Real Z,
+ Standard_Real& Xg,
+ Standard_Real& Yg,
+ Standard_Real& Zg) const
{
if( MyViewer->Grid()->IsActive() ) {
Graphic3d_Vertex aVrp (X,Y,Z) ;
}
}
-
+//=======================================================================
+//function : Convert
+//purpose :
+//=======================================================================
Standard_Real V3d_View::Convert(const Standard_Integer Vp) const
{
Standard_Integer aDxw, aDyw ;
MyWindow->Size (aDxw, aDyw);
Standard_Real aValue;
-
+
gp_Pnt aViewDims = myCamera->ViewDimensions();
aValue = aViewDims.X() * (Standard_Real)Vp / (Standard_Real)aDxw;
return aValue;
}
-void V3d_View::Convert(const Standard_Integer Xp, const Standard_Integer Yp, Standard_Real& Xv, Standard_Real& Yv) const
+//=======================================================================
+//function : Convert
+//purpose :
+//=======================================================================
+void V3d_View::Convert(const Standard_Integer Xp,
+ const Standard_Integer Yp,
+ Standard_Real& Xv,
+ Standard_Real& Yv) const
{
Standard_Integer aDxw, aDyw;
Yv = aPoint.Y();
}
+//=======================================================================
+//function : Convert
+//purpose :
+//=======================================================================
Standard_Integer V3d_View::Convert(const Standard_Real Vv) const
{
V3d_UnMapped_Raise_if (!MyView->IsDefined(), "view has no window");
return aValue;
}
-void V3d_View::Convert(const Standard_Real Xv, const Standard_Real Yv, Standard_Integer& Xp, Standard_Integer& Yp) const
+//=======================================================================
+//function : Convert
+//purpose :
+//=======================================================================
+void V3d_View::Convert(const Standard_Real Xv,
+ const Standard_Real Yv,
+ Standard_Integer& Xp,
+ Standard_Integer& Yp) const
{
V3d_UnMapped_Raise_if (!MyView->IsDefined(), "view has no window");
Yp = RealToInt (aPoint.Y());
}
-void V3d_View::Convert(const Standard_Integer Xp, const Standard_Integer Yp, Standard_Real& X, Standard_Real& Y, Standard_Real& Z) const
+//=======================================================================
+//function : Convert
+//purpose :
+//=======================================================================
+void V3d_View::Convert(const Standard_Integer Xp,
+ const Standard_Integer Yp,
+ Standard_Real& X,
+ Standard_Real& Y,
+ Standard_Real& Z) const
{
V3d_UnMapped_Raise_if (!MyView->IsDefined(), "view has no window");
Standard_Integer aHeight, aWidth;
}
}
-void V3d_View::ConvertWithProj(const Standard_Integer Xp, const Standard_Integer Yp, Standard_Real& X, Standard_Real& Y, Standard_Real& Z, Standard_Real& Dx, Standard_Real& Dy, Standard_Real& Dz) const
+//=======================================================================
+//function : ConvertWithProj
+//purpose :
+//=======================================================================
+void V3d_View::ConvertWithProj(const Standard_Integer Xp,
+ const Standard_Integer Yp,
+ Standard_Real& X,
+ Standard_Real& Y,
+ Standard_Real& Z,
+ Standard_Real& Dx,
+ Standard_Real& Dy,
+ Standard_Real& Dz) const
{
V3d_UnMapped_Raise_if( !MyView->IsDefined(), "view has no window");
Standard_Integer aHeight, aWidth;
}
}
-void V3d_View::Convert(const Standard_Real X, const Standard_Real Y, const Standard_Real Z, Standard_Integer& Xp, Standard_Integer& Yp) const
+//=======================================================================
+//function : Convert
+//purpose :
+//=======================================================================
+void V3d_View::Convert(const Standard_Real X,
+ const Standard_Real Y,
+ const Standard_Real Z,
+ Standard_Integer& Xp,
+ Standard_Integer& Yp) const
{
V3d_UnMapped_Raise_if( !MyView->IsDefined(), "view has no window");
Standard_Integer aHeight, aWidth;
gp_Pnt aPoint = myCamera->Project (gp_Pnt (X, Y, Z));
Xp = RealToInt ((aPoint.X() + 1) * 0.5 * aWidth);
- Yp = RealToInt ((aPoint.Y() + 1) * 0.5 * aHeight);
+ Yp = RealToInt (aHeight - 1 - (aPoint.Y() + 1) * 0.5 * aHeight);
}
-void V3d_View::Project(const Standard_Real X, const Standard_Real Y, const Standard_Real Z, Standard_Real &Xp, Standard_Real &Yp) const
+//=======================================================================
+//function : Project
+//purpose :
+//=======================================================================
+void V3d_View::Project(const Standard_Real X,
+ const Standard_Real Y,
+ const Standard_Real Z,
+ Standard_Real &Xp,
+ Standard_Real &Yp) const
{
Standard_Real Zp;
MyView->Projects (X, Y, Z, Xp, Yp, Zp);
}
-void V3d_View::BackgroundColor(const Quantity_TypeOfColor Type,Standard_Real& V1, Standard_Real& V2, Standard_Real& V3) const
+//=======================================================================
+//function : BackgroundColor
+//purpose :
+//=======================================================================
+void V3d_View::BackgroundColor(const Quantity_TypeOfColor Type,
+ Standard_Real& V1,
+ Standard_Real& V2,
+ Standard_Real& V3) const
{
Quantity_Color C = BackgroundColor() ;
C.Values(V1,V2,V3,Type) ;
}
+//=======================================================================
+//function : BackgroundColor
+//purpose :
+//=======================================================================
Quantity_Color V3d_View::BackgroundColor() const
{
return MyBackground.Color() ;
}
+//=======================================================================
+//function : GradientBackgroundColors
+//purpose :
+//=======================================================================
void V3d_View::GradientBackgroundColors(Quantity_Color& Color1,Quantity_Color& Color2) const
{
MyGradientBackground.Colors(Color1, Color2);
}
+//=======================================================================
+//function : GradientBackground
+//purpose :
+//=======================================================================
Aspect_GradientBackground V3d_View::GradientBackground() const
{
return MyGradientBackground;
}
+//=======================================================================
+//function : Scale
+//purpose :
+//=======================================================================
Standard_Real V3d_View::Scale() const
{
Handle(Graphic3d_Camera) aDefaultCamera = MyView->DefaultCamera();
return aCameraScale;
}
+//=======================================================================
+//function : AxialScale
+//purpose :
+//=======================================================================
void V3d_View::AxialScale(Standard_Real& Sx, Standard_Real& Sy, Standard_Real& Sz) const
{
gp_Pnt anAxialScale = myCamera->AxialScale();
Sz = anAxialScale.Z();
}
-void V3d_View::Center(Standard_Real& Xc, Standard_Real& Yc) const
-{
- gp_Pnt aCamProjShift = myCamera->ProjectionShift();
-
- Xc = -aCamProjShift.X();
- Yc = -aCamProjShift.Y();
-}
-
+//=======================================================================
+//function : Size
+//purpose :
+//=======================================================================
void V3d_View::Size(Standard_Real& Width, Standard_Real& Height) const
{
gp_Pnt aViewDims = myCamera->ViewDimensions();
Height = aViewDims.Y();
}
+//=======================================================================
+//function : ZSize
+//purpose :
+//=======================================================================
Standard_Real V3d_View::ZSize() const
{
gp_Pnt aViewDims = myCamera->ViewDimensions();
return aViewDims.Z();
}
-Standard_Integer V3d_View::MinMax(Standard_Real& Umin, Standard_Real& Vmin, Standard_Real& Umax, Standard_Real& Vmax) const
+//=======================================================================
+//function : MinMax
+//purpose :
+//=======================================================================
+Standard_Integer V3d_View::MinMax(Standard_Real& Umin,
+ Standard_Real& Vmin,
+ Standard_Real& Umax,
+ Standard_Real& Vmax) const
{
Standard_Real Wmin,Wmax,U,V,W ;
Standard_Real Xmin,Ymin,Zmin,Xmax,Ymax,Zmax ;
return Nstruct ;
}
-Standard_Integer V3d_View::MinMax(Standard_Real& Xmin, Standard_Real& Ymin, Standard_Real& Zmin, Standard_Real& Xmax, Standard_Real& Ymax, Standard_Real& Zmax) const
+//=======================================================================
+//function : MinMax
+//purpose :
+//=======================================================================
+Standard_Integer V3d_View::MinMax(Standard_Real& Xmin,
+ Standard_Real& Ymin,
+ Standard_Real& Zmin,
+ Standard_Real& Xmax,
+ Standard_Real& Ymax,
+ Standard_Real& Zmax) const
{
// CAL 6/11/98
// Standard_Integer Nstruct = (MyView->DisplayedStructures())->Extent() ;
return Nstruct ;
}
+//=======================================================================
+//function : Gravity
+//purpose :
+//=======================================================================
Standard_Integer V3d_View::Gravity(Standard_Real& X, Standard_Real& Y, Standard_Real& Z) const
{
Standard_Real Xmin,Ymin,Zmin,Xmax,Ymax,Zmax;
{
aStruct->MinMaxValues (Xmin, Ymin, Zmin, Xmax, Ymax, Zmax);
+ // Check bounding box for validness
+ Standard_Real aLim = (ShortRealLast() - 1.0);
+ if (Abs (Xmin) > aLim || Abs (Ymin) > aLim || Abs (Zmin) > aLim ||
+ Abs (Xmax) > aLim || Abs (Ymax) > aLim || Abs (Zmax) > aLim)
+ {
+ continue;
+ }
+
// use camera projection to find gravity point
gp_Pnt aPnts[8] = {
gp_Pnt (Xmin, Ymin, Zmin), gp_Pnt (Xmin, Ymin, Zmax),
return Nstruct ;
}
+//=======================================================================
+//function : Eye
+//purpose :
+//=======================================================================
void V3d_View::Eye(Standard_Real& X, Standard_Real& Y, Standard_Real& Z) const
{
gp_Pnt aCameraEye = myCamera->Eye();
Z = aCameraEye.Z();
}
+//=============================================================================
+//function : FocalReferencePoint
+//purpose :
+//=============================================================================
void V3d_View::FocalReferencePoint(Standard_Real& X, Standard_Real& Y,Standard_Real& Z) const
{
Eye (X,Y,Z);
}
-void V3d_View::ProjReferenceAxe(const Standard_Integer Xpix, const Standard_Integer Ypix, Standard_Real& XP, Standard_Real& YP, Standard_Real& ZP, Standard_Real& VX, Standard_Real& VY, Standard_Real& VZ) const
+//=============================================================================
+//function : ProjReferenceAxe
+//purpose :
+//=============================================================================
+void V3d_View::ProjReferenceAxe(const Standard_Integer Xpix,
+ const Standard_Integer Ypix,
+ Standard_Real& XP,
+ Standard_Real& YP,
+ Standard_Real& ZP,
+ Standard_Real& VX,
+ Standard_Real& VY,
+ Standard_Real& VZ) const
{
Standard_Real Xo,Yo,Zo;
}
}
+//=============================================================================
+//function : Depth
+//purpose :
+//=============================================================================
Standard_Real V3d_View::Depth() const
{
return myCamera->Distance();
}
+//=============================================================================
+//function : Proj
+//purpose :
+//=============================================================================
void V3d_View::Proj(Standard_Real& Dx, Standard_Real& Dy, Standard_Real& Dz) const
{
gp_Dir aCameraDir = myCamera->Direction().Reversed();
Dz = aCameraDir.Z();
}
+//=============================================================================
+//function : At
+//purpose :
+//=============================================================================
void V3d_View::At(Standard_Real& X, Standard_Real& Y, Standard_Real& Z) const
{
gp_Pnt aCameraCenter = myCamera->Center();
Z = aCameraCenter.Z();
}
+//=============================================================================
+//function : Up
+//purpose :
+//=============================================================================
void V3d_View::Up(Standard_Real& Vx, Standard_Real& Vy, Standard_Real& Vz) const
{
gp_Dir aCameraUp = myCamera->Up();
Vz = aCameraUp.Z();
}
+//=============================================================================
+//function : Twist
+//purpose :
+//=============================================================================
Standard_Real V3d_View::Twist() const
{
Standard_Real Xup,Yup,Zup,Xpn,Ypn,Zpn,X0,Y0,Z0 ;
return angle ;
}
+//=============================================================================
+//function : ShadingModel
+//purpose :
+//=============================================================================
V3d_TypeOfShadingModel V3d_View::ShadingModel() const
{
V3d_TypeOfShadingModel SM = (V3d_TypeOfShadingModel)MyViewContext.Model() ;
return SM ;
}
+//=============================================================================
+//function : SurfaceDetail
+//purpose :
+//=============================================================================
V3d_TypeOfSurfaceDetail V3d_View::SurfaceDetail() const
{
V3d_TypeOfSurfaceDetail SM = (V3d_TypeOfSurfaceDetail)MyViewContext.SurfaceDetail() ;
return SM ;
}
-Handle_Graphic3d_TextureEnv V3d_View::TextureEnv() const
+//=============================================================================
+//function : TextureEnv
+//purpose :
+//=============================================================================
+Handle(Graphic3d_TextureEnv) V3d_View::TextureEnv() const
{
Handle(Graphic3d_TextureEnv) SM = MyViewContext.TextureEnv() ;
return SM ;
}
+//=============================================================================
+//function : Visualization
+//purpose :
+//=============================================================================
V3d_TypeOfVisualization V3d_View::Visualization() const
{
V3d_TypeOfVisualization V =
return V ;
}
+//=============================================================================
+//function : Antialiasing
+//purpose :
+//=============================================================================
Standard_Boolean V3d_View::Antialiasing() const
{
Standard_Boolean A = MyViewContext.AliasingIsOn() ;
return A ;
}
+//=============================================================================
+//function : Viewer
+//purpose :
+//=============================================================================
Handle(V3d_Viewer) V3d_View::Viewer() const
{
return MyViewer ;
}
+//=============================================================================
+//function : IfWindow
+//purpose :
+//=============================================================================
Standard_Boolean V3d_View::IfWindow() const
{
Standard_Boolean TheStatus = MyView->IsDefined() ;
return TheStatus ;
}
+//=============================================================================
+//function : Window
+//purpose :
+//=============================================================================
Handle(Aspect_Window) V3d_View::Window() const
{
return MyWindow;
}
+//=============================================================================
+//function : Type
+//purpose :
+//=============================================================================
V3d_TypeOfView V3d_View::Type() const
{
return myCamera->IsOrthographic() ? V3d_ORTHOGRAPHIC : V3d_PERSPECTIVE;
}
+//=============================================================================
+//function : SetFocale
+//purpose :
+//=============================================================================
void V3d_View::SetFocale( const Standard_Real focale )
{
if (myCamera->IsOrthographic())
ImmediateUpdate();
}
+//=============================================================================
+//function : Focale
+//purpose :
+//=============================================================================
Standard_Real V3d_View::Focale() const
{
if (myCamera->IsOrthographic())
return myCamera->Distance() * 2.0 * Tan(myCamera->FOVy() * M_PI / 360.0);
}
-void V3d_View::SetViewingVolume(const Standard_Real Left, const Standard_Real Right,
- const Standard_Real Bottom, const Standard_Real Top,
- const Standard_Real ZNear, const Standard_Real ZFar)
-{
- V3d_BadValue_Raise_if (ZNear >= ZFar, "V3d_View::SetVolume, bad distances");
-
-
- myCamera->BeginUpdate();
-
- myCamera->SetZFar (ZFar);
- myCamera->SetZNear (ZNear);
-
- myCamera->SetScale (Top - Bottom);
- myCamera->SetAspect ((Right - Left) / (Top - Bottom));
- gp_Pnt aCameraProjShift (-(Left + Right) / 2.0, -(Bottom + Top) / 2.0, 0.0);
- myCamera->SetProjectionShift (aCameraProjShift);
- if (myCamera->IsOrthographic())
- {
- myCamera->SetDistance (Abs (ZNear));
- }
- AutoZFit();
- myCamera->EndUpdate();
-
- ImmediateUpdate();
-}
-
+//=============================================================================
+//function : View
+//purpose :
+//=============================================================================
Handle(Visual3d_View) V3d_View::View() const
{
return MyView ;
}
+//=============================================================================
+//function : ScreenAxis
+//purpose :
+//=============================================================================
Standard_Boolean V3d_View::ScreenAxis( const gp_Dir &Vpn, const gp_Dir &Vup, Graphic3d_Vector &Xaxe, Graphic3d_Vector &Yaxe, Graphic3d_Vector &Zaxe)
{
Standard_Real Xpn, Ypn, Zpn, Xup, Yup, Zup;
return Standard_True;
}
+//=============================================================================
+//function : TrsPoint
+//purpose :
+//=============================================================================
Graphic3d_Vertex V3d_View::TrsPoint( const Graphic3d_Vertex &P, const TColStd_Array2OfReal &Matrix )
{
Graphic3d_Vertex PP ;
return PP ;
}
-void V3d_View::Pan(const Standard_Integer Dx, const Standard_Integer Dy,const Quantity_Factor aZoomFactor)
+//=======================================================================
+//function : Pan
+//purpose :
+//=======================================================================
+void V3d_View::Pan (const Standard_Integer theDXp,
+ const Standard_Integer theDYp,
+ const Quantity_Factor theZoomFactor,
+ const Standard_Boolean theToStart)
{
- Panning (Convert(Dx), Convert(Dy), aZoomFactor, Standard_True);
+ Panning (Convert (theDXp), Convert (theDYp), theZoomFactor, theToStart);
}
-void V3d_View::Zoom (const Standard_Integer X1,
- const Standard_Integer Y1,
- const Standard_Integer X2,
- const Standard_Integer Y2)
+//=======================================================================
+//function : Panning
+//purpose :
+//=======================================================================
+void V3d_View::Panning (const Standard_Real theDXv,
+ const Standard_Real theDYv,
+ const Quantity_Factor theZoomFactor,
+ const Standard_Boolean theToStart)
{
+ Standard_ASSERT_RAISE (theZoomFactor > 0.0, "Bad zoom factor");
- Standard_Real dx = Standard_Real (X2-X1);
- Standard_Real dy = Standard_Real (Y2-Y1);
- if ( dx != 0. || dy != 0. ) {
- Standard_Real dzoom = Sqrt(dx*dx + dy*dy) / 100. + 1;
- dzoom = (dx > 0) ? dzoom : 1./dzoom;
- SetZoom(dzoom, Standard_True);
+ if (theToStart)
+ {
+ myCamStartOpEye = myCamera->Eye();
+ myCamStartOpCenter = myCamera->Center();
}
+
+ Standard_Boolean wasUpdateEnabled = SetImmediateUpdate (Standard_False);
+
+ gp_Pnt aViewDims = myCamera->ViewDimensions();
+
+ myCamera->SetEye (myCamStartOpEye);
+ myCamera->SetCenter (myCamStartOpCenter);
+ Translate (myCamera, -theDXv, -theDYv);
+ Scale (myCamera, aViewDims.X() / theZoomFactor, aViewDims.Y() / theZoomFactor);
+
+ SetImmediateUpdate (wasUpdateEnabled);
+
+ ImmediateUpdate();
}
-void V3d_View::Zoom (const Standard_Integer X1,
- const Standard_Integer Y1)
-{
- Standard_Real x,y;
- Center(x,y);
- Standard_Integer ix,iy;
- Convert(x,y,ix,iy);
- Zoom(ix,iy,X1,Y1);
+//=======================================================================
+//function : Zoom
+//purpose :
+//=======================================================================
+void V3d_View::Zoom (const Standard_Integer theXp1,
+ const Standard_Integer theYp1,
+ const Standard_Integer theXp2,
+ const Standard_Integer theYp2)
+{
+ Standard_Integer aDx = theXp2 - theXp1;
+ Standard_Integer aDy = theYp2 - theYp1;
+ if (aDx != 0 || aDy != 0)
+ {
+ Standard_Real aCoeff = Sqrt( (Standard_Real)(aDx * aDx + aDy * aDy) ) / 100.0 + 1.0;
+ aCoeff = (aDx > 0) ? aCoeff : 1.0 / aCoeff;
+ SetZoom (aCoeff, Standard_True);
+ }
}
-// Defines the point (pixel) of zooming (for the method ZoomAtPoint()).
-void V3d_View::StartZoomAtPoint(const Standard_Integer xpix, const Standard_Integer ypix)
+//=======================================================================
+//function : StartZoomAtPoint
+//purpose :
+//=======================================================================
+void V3d_View::StartZoomAtPoint (const Standard_Integer theXp,
+ const Standard_Integer theYp)
{
- MyZoomAtPointX = xpix;
- MyZoomAtPointY = ypix;
+ MyZoomAtPointX = theXp;
+ MyZoomAtPointY = theYp;
}
-// Zooms the model at a pixel defined by the method StartZoomAtPoint().
-void V3d_View::ZoomAtPoint(const Standard_Integer mouseStartX,
- const Standard_Integer mouseStartY,
- const Standard_Integer mouseEndX,
- const Standard_Integer mouseEndY)
+//=======================================================================
+//function : ZoomAtPoint
+//purpose :
+//=======================================================================
+void V3d_View::ZoomAtPoint (const Standard_Integer theMouseStartX,
+ const Standard_Integer theMouseStartY,
+ const Standard_Integer theMouseEndX,
+ const Standard_Integer theMouseEndY)
{
- Standard_Boolean update;
- V3d_Coordinate X0, Y0, XS, YS;
-
- // Forbid any update.
- update = SetImmediateUpdate(Standard_False);
+ Standard_Boolean wasUpdateEnabled = SetImmediateUpdate (Standard_False);
- // Get center point
- Center(X0, Y0);
+ // zoom
+ Standard_Real aDxy = Standard_Real ((theMouseEndX + theMouseEndY) - (theMouseStartX + theMouseStartY));
+ Standard_Real aDZoom = Abs (aDxy) / 100.0 + 1.0;
+ aDZoom = (aDxy > 0.0) ? aDZoom : 1.0 / aDZoom;
- // Pan the point to the center of window.
- Convert(MyZoomAtPointX, MyZoomAtPointY, XS, YS);
- Panning(X0-XS, Y0-YS);
+ V3d_BadValue_Raise_if (aDZoom <= 0.0, "V3d_View::ZoomAtPoint, bad coefficient");
- // Zoom
- Standard_Real d = Standard_Real ((mouseEndX + mouseEndY) - (mouseStartX + mouseStartY));
+ Standard_Real aViewWidth = myCamera->ViewDimensions().X();
+ Standard_Real aViewHeight = myCamera->ViewDimensions().Y();
- Standard_Real dzoom = fabs(d) / 100.0 + 1.0;
- dzoom = (d > 0) ? dzoom : 1.0 / dzoom;
- V3d_BadValue_Raise_if( dzoom <= 0.,"V3d_View::ZoomAtPoint, bad coefficient");
+ // ensure that zoom will not be too small or too big.
+ Standard_Real aCoef = aDZoom;
+ if (aViewWidth < aCoef * Precision::Confusion())
+ {
+ aCoef = aViewWidth / Precision::Confusion();
+ }
+ else if (aViewWidth > aCoef * 1e12)
+ {
+ aCoef = aViewWidth / 1e12;
+ }
+ if (aViewHeight < aCoef * Precision::Confusion())
+ {
+ aCoef = aViewHeight / Precision::Confusion();
+ }
+ else if (aViewHeight > aCoef * 1e12)
+ {
+ aCoef = aViewHeight / 1e12;
+ }
- Standard_Real aViewWidth = myCamera->ViewDimensions().X();
- Standard_Real aViewHeight = myCamera->ViewDimensions().Y();
+ Standard_Real aZoomAtPointXv = 0.0;
+ Standard_Real aZoomAtPointYv = 0.0;
+ Convert (MyZoomAtPointX, MyZoomAtPointY, aZoomAtPointXv, aZoomAtPointYv);
- // Ensure that zoom will not be too small or too big.
- Standard_Real coef = dzoom;
- if (aViewWidth < coef * Precision::Confusion())
- {
- coef = aViewWidth / Precision::Confusion();
- }
- else if (aViewWidth > coef * 1e12)
- {
- coef = aViewWidth / 1e12;
- }
- if (aViewHeight < coef * Precision::Confusion())
- {
- coef = aViewHeight / Precision::Confusion();
- }
- else if (aViewHeight > coef * 1e12)
- {
- coef = aViewHeight / 1e12;
- }
+ V3d_Coordinate aDxv = aZoomAtPointXv / aCoef;
+ V3d_Coordinate aDyv = aZoomAtPointYv / aCoef;
- V3d_Coordinate Dxv = (XS - X0) / coef;
- V3d_Coordinate Dyv = (YS - Y0) / coef;
+ myCamera->SetScale (myCamera->Scale() / aCoef);
+ Translate (myCamera, aZoomAtPointXv - aDxv, aZoomAtPointYv - aDyv);
- myCamera->SetScale (myCamera->Scale() / coef);
- PanCamera (-Dxv, -Dyv);
+ View()->AutoZFit();
- AutoZFit();
+ SetImmediateUpdate (wasUpdateEnabled);
- // Update the view.
- SetImmediateUpdate(update);
- ImmediateUpdate();
+ ImmediateUpdate();
}
+//=============================================================================
+//function : AxialScale
+//purpose :
+//=============================================================================
void V3d_View::AxialScale (const Standard_Integer Dx,
const Standard_Integer Dy,
const V3d_TypeOfAxe Axis)
}
}
-
+//=============================================================================
+//function : FitAll
+//purpose :
+//=============================================================================
void V3d_View::FitAll(const Handle(Aspect_Window)& aWindow,
const Standard_Real Xmin,
const Standard_Real Ymin,
const Standard_Real Xmax,
const Standard_Real Ymax)
{
- // normalize view coordinates
Standard_Integer aWinWidth, aWinHeight;
aWindow->Size (aWinWidth, aWinHeight);
- // compute camera panning
- gp_Vec aPanVec ((Xmin + Xmax) * 0.5, (Ymin + Ymax) * 0.5, 0.0);
-
- // compute section size
- gp_Pnt aViewBotLeft (Xmin, Ymin, 0.0);
- gp_Pnt aViewTopRight (Xmax, Ymax, 0.0);
-
- Standard_Real aUSize = Abs (Xmax - Xmin);
- Standard_Real aVSize = Abs (Ymax - Ymin);
-
- myCamera->BeginUpdate();
- myCamera->SetProjectionShift (gp_Pnt (0.0, 0.0, 0.0));
- PanCamera (aPanVec.X(), aPanVec.Y());
- ZoomCamera (aUSize, aVSize);
- myCamera->EndUpdate();
+ Standard_Real aWinAspect = (Standard_Real)aWinWidth / aWinHeight;
+ Standard_Real aFitSizeU = Abs (Xmax - Xmin);
+ Standard_Real aFitSizeV = Abs (Ymax - Ymin);
+ Standard_Real aFitAspect = aFitSizeU / aFitSizeV;
+ if (aFitAspect >= aWinAspect)
+ {
+ aFitSizeV = aFitSizeU / aWinAspect;
+ }
+ else
+ {
+ aFitSizeU = aFitSizeV * aWinAspect;
+ }
- AutoZFit();
+ myCamera->SetAspect (aWinAspect);
+ Translate (myCamera, (Xmin + Xmax) * 0.5, (Ymin + Ymax) * 0.5);
+ Scale (myCamera, aFitSizeU, aFitSizeV);
+ View()->AutoZFit();
- Update();
+ ImmediateUpdate();
}
+//=============================================================================
+//function : StartRotation
+//purpose :
+//=============================================================================
#ifdef IMP250900
static Standard_Boolean zRotation = Standard_False;
#endif
}
+//=============================================================================
+//function : Rotation
+//purpose :
+//=============================================================================
void V3d_View::Rotation(const Standard_Integer X,
const Standard_Integer Y)
{
#endif
}
-void V3d_View :: SetComputedMode ( const Standard_Boolean aMode )
+//=============================================================================
+//function : SetComputedMode
+//purpose :
+//=============================================================================
+void V3d_View::SetComputedMode (const Standard_Boolean aMode)
{
- if( aMode ) {
- if( myComputedMode ) {
- MyView -> SetComputedMode ( Standard_True );
- Update ();
+ if (aMode)
+ {
+ if (myComputedMode)
+ {
+ MyView->SetComputedMode (Standard_True);
+ Update();
}
- } else {
- MyView -> SetComputedMode ( Standard_False );
- Update ();
+ }
+ else
+ {
+ MyView->SetComputedMode (Standard_False);
+ Update();
}
}
-Standard_Boolean V3d_View :: ComputedMode () const
+//=============================================================================
+//function : ComputedMode
+//purpose :
+//=============================================================================
+Standard_Boolean V3d_View::ComputedMode() const
{
- return MyView -> ComputedMode ();
+ return MyView->ComputedMode();
}
-void V3d_View :: SetBackFacingModel (const V3d_TypeOfBackfacingModel aModel)
+//=============================================================================
+//function : SetBackFacingModel
+//purpose :
+//=============================================================================
+void V3d_View::SetBackFacingModel (const V3d_TypeOfBackfacingModel aModel)
{
- MyView -> SetBackFacingModel ( Visual3d_TypeOfBackfacingModel(aModel) );
+ MyView->SetBackFacingModel (Visual3d_TypeOfBackfacingModel(aModel));
Redraw();
}
-V3d_TypeOfBackfacingModel V3d_View :: BackFacingModel () const
+//=============================================================================
+//function : BackFacingModel
+//purpose :
+//=============================================================================
+V3d_TypeOfBackfacingModel V3d_View::BackFacingModel() const
{
return V3d_TypeOfBackfacingModel(MyView -> BackFacingModel ());
}
-Standard_Boolean V3d_View::TransientManagerBeginDraw(const Standard_Boolean DoubleBuffer,const Standard_Boolean RetainMode) const
-{
- return Visual3d_TransientManager::BeginDraw(MyView,DoubleBuffer,RetainMode);
-}
-
-void V3d_View::TransientManagerClearDraw() const
-{
- Visual3d_TransientManager::ClearDraw(MyView);
-}
-
-Standard_Boolean V3d_View::TransientManagerBeginAddDraw() const
-{
- return Visual3d_TransientManager::BeginAddDraw(MyView);
-}
-
void V3d_View::Init()
{
myComputedMode = MyViewer->ComputedMode();
}
}
-void V3d_View::SetPlotter(const Handle(Graphic3d_Plotter)& aPlotter)
-{
- MyPlotter = aPlotter;
-}
-
-void V3d_View::Plot()
-{
- V3d_BadValue_Raise_if( !MyPlotter.IsNull(), "view has no plotter");
- MyView->Plot(MyPlotter);
-}
-
-#include <Aspect.hxx>
-#include <Visual3d_Layer.hxx>
-
-////////////////////////////////////////////////////////////////
+//=============================================================================
+//function : Dump
+//purpose :
+//=============================================================================
Standard_Boolean V3d_View::Dump (const Standard_CString theFile,
const Graphic3d_BufferType& theBufferType)
{
return ToPixMap (anImage, aWinWidth, aWinHeight, theBufferType) && anImage.Save (theFile);
}
-////////////////////////////////////////////////////////////////
+//=============================================================================
+//function : ToPixMap
+//purpose :
+//=============================================================================
Standard_Boolean V3d_View::ToPixMap (Image_PixMap& theImage,
const Standard_Integer theWidth,
const Standard_Integer theHeight,
const Graphic3d_BufferType& theBufferType,
- const Standard_Boolean theIsForceCentred,
+ const Standard_Boolean theToKeepAspect,
const V3d_StereoDumpOptions theStereoOptions)
{
Graphic3d_CView* cView = (Graphic3d_CView* )MyView->CView();
Handle(Graphic3d_Camera) aStoreMapping = new Graphic3d_Camera();
aStoreMapping->Copy (myCamera);
- Standard_Real Umin, Vmin, Umax, Vmax;
if (myCamera->IsStereo())
{
}
}
- if (theIsForceCentred)
- {
- Standard_Real PUmin, PVmin, PUmax, PVmax;
- myCamera->WindowLimit (PUmin, PVmin, PUmax, PVmax);
-
- // calculate expansion
- Umin = PUmin; Vmin = PVmin; Umax = PUmax; Vmax = PVmax;
- Standard_Real oldWidth = (PUmax - PUmin), oldHeight = (PVmax - PVmin);
- Standard_Real newWidth = (oldHeight * aFBOVPSizeX) / aFBOVPSizeY;
- if (newWidth < oldWidth)
- {
- Standard_Real newHeight = (oldWidth * aFBOVPSizeY) / aFBOVPSizeX;
- // Expand height
- Standard_Real delta = 0.5 * (newHeight - oldHeight);
- Vmin = PVmin - delta;
- Vmax = PVmax + delta;
- }
- else
- {
- // Expand width
- Standard_Real delta = 0.5 * (newWidth - oldWidth);
- Umin = PUmin - delta;
- Umax = PUmax + delta;
- }
+ // render immediate structures into back buffer rather than front
+ Handle(Graphic3d_GraphicDriver) aDriver = Handle(Graphic3d_GraphicDriver)::DownCast (MyView->GraphicDriver());
+ const Standard_Boolean aPrevImmediateMode = aDriver.IsNull() ? Standard_True : aDriver->SetImmediateModeDrawToFront (*cView, Standard_False);
- FitAll (Umin, Vmin, Umax, Vmax);
+ const Standard_Boolean toAutoUpdate = myImmediateUpdate;
+ myImmediateUpdate = Standard_False;
+ View()->AutoZFit();
+ myImmediateUpdate = toAutoUpdate;
+
+ if (theToKeepAspect)
+ {
+ myCamera->SetAspect ((Standard_Real) aFBOVPSizeX / aFBOVPSizeY);
}
//workaround for rendering list of Over and Under Layers
MyLayerMgr->Compute();
}
- // render immediate structures into back buffer rather than front
- Handle(Graphic3d_GraphicDriver) aDriver = Handle(Graphic3d_GraphicDriver)::DownCast (MyView->GraphicDriver());
- const Standard_Boolean aPrevImmediateMode = aDriver.IsNull() ? Standard_True : aDriver->SetImmediateModeDrawToFront (*cView, Standard_False);
Redraw();
if (!aDriver.IsNull())
// =======================================================================
void V3d_View::SetCamera (const Handle(Graphic3d_Camera)& theCamera)
{
+ Standard_ASSERT_RAISE (!theCamera.IsNull(), "Void camera is not allowed");
+
myCamera = theCamera;
MyView->SetCamera (theCamera);
// function : GetCamera
// purpose :
// =======================================================================
-Handle(Graphic3d_Camera) V3d_View::Camera() const
+const Handle(Graphic3d_Camera)& V3d_View::Camera() const
{
return myCamera;
}
// =======================================================================
-// function : FitCamera
-// purpose :
+// function : FitMinMax
+// purpose : Internal
// =======================================================================
-void V3d_View::FitCamera (const Standard_Real theXmin,
- const Standard_Real theYmin,
- const Standard_Real theZmin,
- const Standard_Real theXmax,
- const Standard_Real theYmax,
- const Standard_Real theZmax)
-{
- if (myCamera.IsNull())
- return;
-
- // check bounding box for validness
+Standard_Boolean V3d_View::FitMinMax (const Handle(Graphic3d_Camera)& theCamera,
+ const gp_XYZ& theMinCorner,
+ const gp_XYZ& theMaxCorner,
+ const Standard_Real theMargin,
+ const Standard_Real theResolution,
+ const Standard_Boolean theToEnlargeIfLine) const
+{
+ // Check bounding box for validness
Standard_Real aLim = (ShortRealLast() - 1.0);
- if (Abs (theXmin) > aLim || Abs (theYmin) > aLim || Abs (theZmin) > aLim ||
- Abs (theXmax) > aLim || Abs (theYmax) > aLim || Abs (theZmax) > aLim)
- return;
-
- // place camera center at the geometrical center
- // of the passed bounding box
- gp_Pnt aCenter ((theXmin + theXmax) * 0.5,
- (theYmin + theYmax) * 0.5,
- (theZmin + theZmax) * 0.5);
-
- // adapt bound points
- gp_Pnt aPnts[8] =
- { gp_Pnt (theXmin, theYmin, theZmin),
- gp_Pnt (theXmin, theYmin, theZmax),
- gp_Pnt (theXmin, theYmax, theZmin),
- gp_Pnt (theXmin, theYmax, theZmax),
- gp_Pnt (theXmax, theYmin, theZmin),
- gp_Pnt (theXmax, theYmin, theZmax),
- gp_Pnt (theXmax, theYmax, theZmin),
- gp_Pnt (theXmax, theYmax, theZmax) };
-
- Standard_Real aViewMinX = (RealLast() - 1);
- Standard_Real aViewMinY = (RealLast() - 1);
- Standard_Real aViewMinZ = (RealLast() - 1);
- Standard_Real aViewMaxX = (RealFirst() + 1);
- Standard_Real aViewMaxY = (RealFirst() + 1);
- Standard_Real aViewMaxZ = (RealFirst() + 1);
-
- // find out minimum and maximum values of bounding box
- // converted to view space. the limits point out a rectangular
- // section parallel to the screen that camera should zoom in.
- for (Standard_Integer aPntIt = 0; aPntIt < 8; ++aPntIt)
+ if (Abs (theMinCorner.X()) > aLim || Abs (theMinCorner.Y()) > aLim || Abs (theMinCorner.Z()) > aLim ||
+ Abs (theMaxCorner.X()) > aLim || Abs (theMaxCorner.Y()) > aLim || Abs (theMaxCorner.Z()) > aLim)
{
- gp_Pnt aView = myCamera->ConvertWorld2View (aPnts[aPntIt]);
- aViewMinX = Min (aViewMinX, aView.X());
- aViewMinY = Min (aViewMinY, aView.Y());
- aViewMaxX = Max (aViewMaxX, aView.X());
- aViewMaxY = Max (aViewMaxY, aView.Y());
- aViewMinZ = Min (aViewMinZ, aView.Z());
- aViewMaxZ = Max (aViewMaxZ, aView.Z());
- }
-
- // evaluate section size for x1 zoom.
- Standard_Real aSectU = (aViewMaxX - aViewMinX);
- Standard_Real aSectV = (aViewMaxY - aViewMinY);
-
- // zoom camera to front plane of bounding box. the camera
- // is set up at the center of bbox, so the depth is half
- // space of it in view coordinate space.
- Standard_Real aSectDepth = (aViewMaxZ - aViewMinZ) * 0.5;
-
- // re-compute Eye position
- gp_Vec aBck = gp_Vec (myCamera->Center(), myCamera->Eye());
- gp_Pnt aEye = aCenter.Translated (aBck);
-
- // start camera updates
- myCamera->BeginUpdate();
-
- if (myCamera->IsOrthographic())
+ return Standard_False; // bounding box is out of bounds...
+ }
+
+ // Apply "axial scaling" to the bounding points.
+ // It is not the best approach to make this scaling as a part of fit all operation,
+ // but the axial scale is integrated into camera orientation matrix and the other
+ // option is to perform frustum plane adjustment algorithm in view camera space,
+ // which will lead to a number of additional world-view space conversions and
+ // loosing precision as well.
+ Standard_Real aXmin = theMinCorner.X() * theCamera->AxialScale().X();
+ Standard_Real aXmax = theMaxCorner.X() * theCamera->AxialScale().X();
+ Standard_Real aYmin = theMinCorner.Y() * theCamera->AxialScale().Y();
+ Standard_Real aYmax = theMaxCorner.Y() * theCamera->AxialScale().Y();
+ Standard_Real aZmin = theMinCorner.Z() * theCamera->AxialScale().Z();
+ Standard_Real aZmax = theMaxCorner.Z() * theCamera->AxialScale().Z();
+
+ Bnd_Box aBBox;
+ aBBox.Update (aXmin, aYmin, aZmin, aXmax, aYmax, aZmax);
+ if (aBBox.IsThin (RealEpsilon()))
{
- Standard_Real anX = (aViewMaxX + aViewMinX) * 0.5;
- Standard_Real anY = (aViewMaxY + aViewMinY) * 0.5;
- myCamera->SetProjectionShift (gp_Pnt (-anX, -anY, 0.0));
- }
- else
+ return Standard_False; // nothing to fit all
+ }
+
+ gp_Pnt aBBCenter ((aXmin + aXmax) * 0.5, (aYmin + aYmax) * 0.5, (aZmin + aZmax) * 0.5);
+
+ gp_Pln aFrustumLeft;
+ gp_Pln aFrustumRight;
+ gp_Pln aFrustumBottom;
+ gp_Pln aFrustumTop;
+ gp_Pln aFrustumNear;
+ gp_Pln aFrustumFar;
+ theCamera->Frustum (aFrustumLeft, aFrustumRight, aFrustumBottom, aFrustumTop, aFrustumNear, aFrustumFar);
+
+ gp_Dir aCamUp = theCamera->OrthogonalizedUp();
+ gp_Dir aCamDir = theCamera->Direction();
+ gp_Dir aCamSide = aCamDir ^ aCamUp;
+
+ // Perspective-correct camera projection vector, matching the bounding box is determined geometrically.
+ // Knowing the initial shape of a frustum it is possible to match it to a bounding box.
+ // Then, knowing the relation of camera projection vector to the frustum shape it is possible to
+ // set up perspective-correct camera projection matching the bounding box.
+ // These steps support non-asymmetric transformations of view-projection space provided by camera.
+ // The zooming can be done by calculating view plane size matching the bounding box at center of
+ // the bounding box. The only limitation here is that the scale of camera should define size of
+ // its view plane passing through the camera center, and the center of camera should be on the
+ // same line with the center of bounding box.
+
+ // The following method is applied:
+ // 1) Determine normalized asymmetry of camera projection vector by frustum planes.
+ // 2) Determine new location of frustum planes, "matching" the bounding box.
+ // 3) Determine new camera projection vector using the normalized asymmetry.
+ // 4) Determine new zooming in view space.
+
+ // Determine normalized projection asymmetry (if any).
+
+ Standard_Real anAssymX = Tan ( aCamSide.Angle (aFrustumLeft.Axis().Direction()))
+ - Tan (-aCamSide.Angle (aFrustumRight.Axis().Direction()));
+ Standard_Real anAssymY = Tan ( aCamUp.Angle (aFrustumBottom.Axis().Direction()))
+ - Tan (-aCamUp.Angle (aFrustumTop.Axis().Direction()));
+
+ // Determine how far should be the frustum planes placed from center
+ // of bounding box, in order to match the bounding box closely.
+ gp_Pln aMatchSide[6] = {aFrustumLeft, aFrustumRight, aFrustumBottom, aFrustumTop, aFrustumNear, aFrustumFar};
+ Standard_Real aMatchDistance[6] = {0.0, 0.0, 0.0, 0.0, 0.0, 0.0};
+ for (Standard_Integer anIt = 0; anIt < 6; ++anIt)
+ {
+ const gp_Dir& aPlaneN = aMatchSide[anIt].Axis().Direction();
+
+ gp_Trsf aPlaneTrsf;
+ aPlaneTrsf.SetTransformation (gp_Ax3(), gp_Ax3 (aBBCenter, aPlaneN));
+ Bnd_Box aRelativeBBox = aBBox.Transformed (aPlaneTrsf);
+
+ Standard_Real aDummy = 0.0;
+ Standard_Real aZmin = 0.0;
+ Standard_Real aZmax = 0.0;
+ aRelativeBBox.Get (aDummy, aDummy, aZmin, aDummy, aDummy, aZmax);
+ aMatchDistance[anIt] = -aZmin;
+ }
+ // The center of camera is placed on the same line with center of bounding box.
+ // The view plane section crosses the bounding box at its center.
+ // To compute view plane size, evaluate coefficients converting "point -> plane distance"
+ // into view section size between the point and the frustum plane.
+ // proj
+ // /|\ right half of frame //
+ // | //
+ // point o<-- distance * coeff -->//---- (view plane section)
+ // \ //
+ // (distance) //
+ // ~ //
+ // (distance) //
+ // \/\//
+ // \//
+ // //
+ // (frustum plane)
+
+ aMatchDistance[0] *= Sqrt(1 + Pow (Tan ( aCamSide.Angle (aFrustumLeft.Axis().Direction())), 2.0));
+ aMatchDistance[1] *= Sqrt(1 + Pow (Tan (-aCamSide.Angle (aFrustumRight.Axis().Direction())), 2.0));
+ aMatchDistance[2] *= Sqrt(1 + Pow (Tan ( aCamUp.Angle (aFrustumBottom.Axis().Direction())), 2.0));
+ aMatchDistance[3] *= Sqrt(1 + Pow (Tan (-aCamUp.Angle (aFrustumTop.Axis().Direction())), 2.0));
+ aMatchDistance[4] *= Sqrt(1 + Pow (Tan ( aCamDir.Angle (aFrustumNear.Axis().Direction())), 2.0));
+ aMatchDistance[5] *= Sqrt(1 + Pow (Tan (-aCamDir.Angle (aFrustumFar.Axis().Direction())), 2.0));
+
+ Standard_Real aViewSizeXv = aMatchDistance[0] + aMatchDistance[1];
+ Standard_Real aViewSizeYv = aMatchDistance[2] + aMatchDistance[3];
+ Standard_Real aViewSizeZv = aMatchDistance[4] + aMatchDistance[5];
+
+ // Place center of camera on the same line with center of bounding
+ // box applying corresponding projection asymmetry (if any).
+ Standard_Real anAssymXv = anAssymX * aViewSizeXv * 0.5;
+ Standard_Real anAssymYv = anAssymY * aViewSizeYv * 0.5;
+ Standard_Real anOffsetXv = (aMatchDistance[1] - aMatchDistance[0]) * 0.5 + anAssymXv;
+ Standard_Real anOffsetYv = (aMatchDistance[3] - aMatchDistance[2]) * 0.5 + anAssymYv;
+ gp_Vec aTranslateSide = gp_Vec (aCamSide) * anOffsetXv;
+ gp_Vec aTranslateUp = gp_Vec (aCamUp) * anOffsetYv;
+ gp_Pnt aNewCenter = aBBCenter.Translated (aTranslateSide).Translated (aTranslateUp);
+
+ gp_Trsf aCenterTrsf;
+ aCenterTrsf.SetTranslation (theCamera->Center(), aNewCenter);
+ theCamera->Transform (aCenterTrsf);
+ theCamera->SetDistance (aMatchDistance[5] + aMatchDistance[4]);
+
+ // Bounding box collapses to a point or thin line going in depth of the screen
+ if (aViewSizeXv < theResolution && aViewSizeYv < theResolution)
{
- myCamera->SetProjectionShift (gp_Pnt (0.0, 0.0, 0.0));
- myCamera->SetCenter (aCenter);
- myCamera->SetEye (aEye);
+ if (aViewSizeXv < theResolution || !theToEnlargeIfLine)
+ {
+ return Standard_True; // This is just one point or line and zooming has no effect.
+ }
+
+ // Looking along line and "theToEnlargeIfLine" is requested.
+ // Fit view to see whole scene on rotation.
+ aViewSizeXv = aViewSizeZv;
+ aViewSizeYv = aViewSizeZv;
}
- // zoom camera to fit in the bounding box.
- ZoomCamera (aSectU, aSectV, aSectDepth);
+ Scale (theCamera, aViewSizeXv * (1.0 + theMargin), aViewSizeYv * (1.0 + theMargin));
- // re-evaluate camera
- myCamera->EndUpdate();
+ return Standard_True;
}
// =======================================================================
-// function : ZoomCamera
-// purpose :
+// function : Scale
+// purpose : Internal
// =======================================================================
-void V3d_View::ZoomCamera (const Standard_Real theUSize,
- const Standard_Real theVSize,
- const Standard_Real theZDepth)
+void V3d_View::Scale (const Handle(Graphic3d_Camera)& theCamera,
+ const Standard_Real theSizeXv,
+ const Standard_Real theSizeYv) const
{
- if (myCamera.IsNull())
- return;
-
- // compute maximum section size along both directions.
- Standard_Real anAspect = myCamera->Aspect();
- Standard_Real aSize = Max (theUSize / anAspect, theVSize);
-
- myCamera->BeginUpdate();
- myCamera->SetScale (aSize);
-
- if (!myCamera->IsOrthographic())
- {
- myCamera->SetDistance (myCamera->Distance() + theZDepth);
- }
-
- AutoZFit();
-
- myCamera->EndUpdate();
+ Standard_Real anAspect = theCamera->Aspect();
+ Standard_Real aMaxSize = Max (theSizeXv / anAspect, theSizeYv);
+ theCamera->SetScale (aMaxSize);
}
// =======================================================================
-// function : PanCamera
-// purpose : panning is fun
+// function : Translate
+// purpose : Internal
// =======================================================================
-void V3d_View::PanCamera (const Standard_Real theU,
- const Standard_Real theV)
+void V3d_View::Translate (const Handle(Graphic3d_Camera)& theCamera,
+ const Standard_Real theDXv,
+ const Standard_Real theDYv) const
{
- if (myCamera.IsNull())
- return;
+ const gp_Pnt& aCenter = theCamera->Center();
+ const gp_Dir& aDir = theCamera->Direction();
+ const gp_Dir& anUp = theCamera->Up();
+ gp_Ax3 aCameraCS (aCenter, aDir.Reversed(), aDir ^ anUp);
- if (myCamera->IsOrthographic())
- {
- // Projection based panning for compatibility.
- myCamera->SetProjectionShift (myCamera->ProjectionShift().
- Translated (gp_Vec (-theU, -theV, 0.0)));
- }
- else
- {
- gp_Vec anUp = myCamera->Up();
- gp_Vec aSide = myCamera->Direction().Crossed (anUp);
-
- gp_Vec aPanU = aSide.Scaled (theU);
- gp_Vec aPanV = anUp.Scaled (theV);
- gp_Pnt aPannedEye (myCamera->Eye());
- gp_Pnt aPannedCenter (myCamera->Center());
+ gp_Vec aCameraPanXv = gp_Vec (aCameraCS.XDirection()) * theDXv;
+ gp_Vec aCameraPanYv = gp_Vec (aCameraCS.YDirection()) * theDYv;
+ gp_Vec aCameraPan = aCameraPanXv + aCameraPanYv;
+ gp_Trsf aPanTrsf;
+ aPanTrsf.SetTranslation (aCameraPan);
- aPannedEye.Translate (aPanU);
- aPannedEye.Translate (aPanV);
- aPannedCenter.Translate (aPanU);
- aPannedCenter.Translate (aPanV);
+ theCamera->Transform (aPanTrsf);
+}
- myCamera->BeginUpdate();
- myCamera->SetEye (aPannedEye);
- myCamera->SetCenter (aPannedCenter);
- myCamera->EndUpdate();
- }
+// =======================================================================
+// function : IsCullingEnabled
+// purpose :
+// =======================================================================
+Standard_Boolean V3d_View::IsCullingEnabled() const
+{
+ Graphic3d_CView* aView = (Graphic3d_CView* )MyView->CView();
+ return aView->IsCullingEnabled;
+}
- AutoZFit();
+// =======================================================================
+// function : SetFrustumCulling
+// purpose :
+// =======================================================================
+void V3d_View::SetFrustumCulling (const Standard_Boolean theToClip)
+{
+ Graphic3d_CView* aView = (Graphic3d_CView* )MyView->CView();
+ aView->IsCullingEnabled = theToClip;
}
projects / occt.git / blobdiff