1 // Created on: 1992-01-15
3 // Copyright (c) 1992-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
8 // This library is free software; you can redistribute it and/or modify it under
9 // the terms of the GNU Lesser General Public License version 2.1 as published
10 // by the Free Software Foundation, with special exception defined in the file
11 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12 // distribution for complete text of the license and disclaimer of any warranty.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
17 #ifndef _V3d_View_HeaderFile
18 #define _V3d_View_HeaderFile
20 #include <Aspect_Background.hxx>
21 #include <Aspect_FillMethod.hxx>
22 #include <Aspect_GradientBackground.hxx>
23 #include <Aspect_GradientFillMethod.hxx>
24 #include <Aspect_Handle.hxx>
25 #include <Aspect_RenderingContext.hxx>
26 #include <Aspect_TypeOfTriedronPosition.hxx>
28 #include <Bnd_Box.hxx>
34 #include <Graphic3d_BufferType.hxx>
35 #include <Graphic3d_Camera.hxx>
36 #include <Graphic3d_ClipPlane.hxx>
37 #include <Graphic3d_CView.hxx>
38 #include <Graphic3d_GraduatedTrihedron.hxx>
39 #include <Graphic3d_RenderingParams.hxx>
40 #include <Graphic3d_SequenceOfHClipPlane.hxx>
41 #include <Graphic3d_Vertex.hxx>
43 #include <Image_PixMap.hxx>
45 #include <Standard_Transient.hxx>
47 #include <Quantity_TypeOfColor.hxx>
49 #include <Standard.hxx>
50 #include <Standard_Address.hxx>
51 #include <Standard_Boolean.hxx>
52 #include <Standard_CString.hxx>
53 #include <Standard_Integer.hxx>
54 #include <Standard_Real.hxx>
55 #include <Standard_Type.hxx>
57 #include <TColStd_Array2OfReal.hxx>
58 #include <TColStd_ListIteratorOfListOfTransient.hxx>
60 #include <V3d_ImageDumpOptions.hxx>
61 #include <V3d_Trihedron.hxx>
62 #include <V3d_TypeOfAxe.hxx>
64 #include <V3d_TypeOfBackfacingModel.hxx>
65 #include <V3d_TypeOfOrientation.hxx>
66 #include <V3d_TypeOfShadingModel.hxx>
67 #include <V3d_TypeOfView.hxx>
68 #include <V3d_TypeOfVisualization.hxx>
69 #include <V3d_Viewer.hxx>
70 #include <V3d_ViewerPointer.hxx>
74 class Graphic3d_Group;
75 class Graphic3d_Structure;
76 class Graphic3d_TextureEnv;
77 class Standard_MultiplyDefined;
78 class Standard_TypeMismatch;
84 DEFINE_STANDARD_HANDLE(V3d_View, Standard_Transient)
86 //! Defines the application object VIEW for the
87 //! VIEWER application.
88 //! The methods of this class allow the editing
89 //! and inquiring the parameters linked to the view.
90 //! Provides a set of services common to all types of view.
91 //! Warning: The default parameters are defined by the class
92 //! Viewer (Example : SetDefaultViewSize()).
93 //! Certain methods are mouse oriented, and it is
94 //! necessary to know the difference between the start and
95 //! the continuation of this gesture in putting the method
97 //! Example : Shifting the eye-view along the screen axes.
99 //! View->Move(10.,20.,0.,True) (Starting motion)
100 //! View->Move(15.,-5.,0.,False) (Next motion)
101 class V3d_View : public Standard_Transient
106 //! Initializes the view.
107 Standard_EXPORT V3d_View (const Handle(V3d_Viewer)& theViewer, const V3d_TypeOfView theType = V3d_ORTHOGRAPHIC);
109 //! Initializes the view by copying.
110 Standard_EXPORT V3d_View (const Handle(V3d_Viewer)& theViewer, const Handle(V3d_View)& theView);
112 //! Default destructor.
113 Standard_EXPORT virtual ~V3d_View();
115 //! Activates the view in the specified Window
116 //! If <aContext> is not NULL the graphic context is used
117 //! to draw something in this view.
118 //! Otherwise an internal graphic context is created.
119 //! Warning: The view is centered and resized to preserve
120 //! the height/width ratio of the window.
121 Standard_EXPORT void SetWindow (const Handle(Aspect_Window)& theWindow,
122 const Aspect_RenderingContext theContext = NULL);
124 Standard_EXPORT void SetMagnify (const Handle(Aspect_Window)& theWindow,
125 const Handle(V3d_View)& thePreviousView,
126 const Standard_Integer theX1,
127 const Standard_Integer theY1,
128 const Standard_Integer theX2,
129 const Standard_Integer theY2);
131 //! Destroys the view.
132 Standard_EXPORT void Remove() const;
134 //! Deprecated, Redraw() should be used instead.
135 Standard_EXPORT void Update() const;
137 //! Redisplays the view even if there has not
138 //! been any modification.
139 //! Must be called if the view is shown.
140 //! (Ex: DeIconification ) .
141 Standard_EXPORT virtual void Redraw() const;
143 //! Updates layer of immediate presentations.
144 Standard_EXPORT virtual void RedrawImmediate() const;
146 //! Invalidates view content but does not redraw it.
147 Standard_EXPORT void Invalidate() const;
149 //! Returns true if cached view content has been invalidated.
150 Standard_EXPORT Standard_Boolean IsInvalidated() const;
152 //! Must be called when the window supporting the
153 //! view changes size.
154 //! if the view is not mapped on a window.
155 //! Warning: The view is centered and resized to preserve
156 //! the height/width ratio of the window.
157 Standard_EXPORT void MustBeResized();
159 //! Must be called when the window supporting the
160 //! view is mapped or unmapped.
161 Standard_EXPORT void DoMapping();
163 //! Returns the status of the view regarding
164 //! the displayed structures inside
165 //! Returns True is The View is empty
166 Standard_EXPORT Standard_Boolean IsEmpty() const;
168 //! Updates the lights of the view.
169 Standard_EXPORT void UpdateLights() const;
171 //! Sets the automatic z-fit mode and its parameters.
172 //! The auto z-fit has extra parameters which can controlled from application level
173 //! to ensure that the size of viewing volume will be sufficiently large to cover
174 //! the depth of unmanaged objects, for example, transformation persistent ones.
175 //! @param theScaleFactor [in] the scale factor for Z-range.
176 //! The range between Z-min, Z-max projection volume planes
177 //! evaluated by z fitting method will be scaled using this coefficient.
178 //! Program error exception is thrown if negative or zero value
180 Standard_EXPORT void SetAutoZFitMode (const Standard_Boolean theIsOn, const Standard_Real theScaleFactor = 1.0);
182 //! returns TRUE if automatic z-fit mode is turned on.
183 Standard_EXPORT Standard_Boolean AutoZFitMode() const;
185 //! returns scale factor parameter of automatic z-fit mode.
186 Standard_EXPORT Standard_Real AutoZFitScaleFactor() const;
188 //! If automatic z-range fitting is turned on, adjusts Z-min and Z-max
189 //! projection volume planes with call to ZFitAll.
190 Standard_EXPORT void AutoZFit() const;
192 //! Change Z-min and Z-max planes of projection volume to match the
193 //! displayed objects.
194 Standard_EXPORT void ZFitAll (const Standard_Real theScaleFactor = 1.0) const;
196 //! Defines the background color of the view by the color definition type and the three corresponding values.
197 Standard_EXPORT void SetBackgroundColor (const Quantity_TypeOfColor theType,
198 const Standard_Real theV1,
199 const Standard_Real theV2,
200 const Standard_Real theV3);
202 //! Defines the background color of the view.
203 Standard_EXPORT void SetBackgroundColor (const Quantity_Color& theColor);
205 //! Defines the gradient background colors of the view by supplying the colors
206 //! and the fill method (horizontal by default).
207 Standard_EXPORT void SetBgGradientColors (const Quantity_Color& theColor1,
208 const Quantity_Color& theColor2,
209 const Aspect_GradientFillMethod theFillStyle = Aspect_GFM_HOR,
210 const Standard_Boolean theToUpdate = Standard_False);
212 //! Defines the gradient background fill method of the view.
213 Standard_EXPORT void SetBgGradientStyle (const Aspect_GradientFillMethod theMethod = Aspect_GFM_HOR,
214 const Standard_Boolean theToUpdate = Standard_False);
216 //! Defines the background texture of the view by supplying the texture image file name
217 //! and fill method (centered by default).
218 Standard_EXPORT void SetBackgroundImage (const Standard_CString theFileName,
219 const Aspect_FillMethod theFillStyle = Aspect_FM_CENTERED,
220 const Standard_Boolean theToUpdate = Standard_False);
222 //! Defines the textured background fill method of the view.
223 Standard_EXPORT void SetBgImageStyle (const Aspect_FillMethod theFillStyle,
224 const Standard_Boolean theToUpdate = Standard_False);
226 //! Definition of an axis from its origin and
227 //! its orientation .
228 //! This will be the current axis for rotations and movements.
229 //! Warning! raises BadValue from V3d if the vector normal is NULL. .
230 Standard_EXPORT void SetAxis (const Standard_Real X, const Standard_Real Y, const Standard_Real Z,
231 const Standard_Real Vx, const Standard_Real Vy, const Standard_Real Vz);
233 //! Defines the shading model for the visualization. Various models are available.
234 Standard_EXPORT void SetShadingModel (const V3d_TypeOfShadingModel theShadingModel);
236 //! Sets the environment texture to use. No environment texture by default.
237 Standard_EXPORT void SetTextureEnv (const Handle(Graphic3d_TextureEnv)& theTexture);
239 //! Defines the visualization type in the view.
240 Standard_EXPORT void SetVisualization (const V3d_TypeOfVisualization theType);
242 //! Activates theLight in the view.
243 Standard_EXPORT void SetLightOn (const Handle(V3d_Light)& theLight);
245 //! Activates all the lights defined in this view.
246 Standard_EXPORT void SetLightOn();
248 //! Deactivate theLight in this view.
249 Standard_EXPORT void SetLightOff (const Handle(V3d_Light)& theLight);
251 //! Deactivate all the Lights defined in this view.
252 Standard_EXPORT void SetLightOff();
254 //! Returns TRUE when the light is active in this view.
255 Standard_EXPORT Standard_Boolean IsActiveLight (const Handle(V3d_Light)& theLight) const;
257 //! sets the immediate update mode and returns the previous one.
258 Standard_EXPORT Standard_Boolean SetImmediateUpdate (const Standard_Boolean theImmediateUpdate);
260 //! Customization of the ZBUFFER Triedron.
261 //! XColor,YColor,ZColor - colors of axis
262 //! SizeRatio - ratio of decreasing of the trihedron size when its physical
263 //! position comes out of the view
264 //! AxisDiametr - diameter relatively to axis length
265 //! NbFacettes - number of facets of cylinders and cones
266 Standard_EXPORT void ZBufferTriedronSetup (const Quantity_Color& theXColor = Quantity_NOC_RED,
267 const Quantity_Color& theYColor = Quantity_NOC_GREEN,
268 const Quantity_Color& theZColor = Quantity_NOC_BLUE1,
269 const Standard_Real theSizeRatio = 0.8,
270 const Standard_Real theAxisDiametr = 0.05,
271 const Standard_Integer theNbFacettes = 12);
273 //! Display of the Triedron.
274 //! Initialize position, color and length of Triedron axes.
275 //! The scale is a percent of the window width.
276 Standard_EXPORT void TriedronDisplay (const Aspect_TypeOfTriedronPosition thePosition = Aspect_TOTP_CENTER,
277 const Quantity_Color& theColor = Quantity_NOC_WHITE,
278 const Standard_Real theScale = 0.02,
279 const V3d_TypeOfVisualization theMode = V3d_WIREFRAME);
281 //! Erases the Triedron.
282 Standard_EXPORT void TriedronErase();
284 //! Returns data of a graduated trihedron.
285 Standard_EXPORT const Graphic3d_GraduatedTrihedron& GetGraduatedTrihedron() const;
287 //! Displays a graduated trihedron.
288 Standard_EXPORT void GraduatedTrihedronDisplay (const Graphic3d_GraduatedTrihedron& theTrihedronData);
290 //! Erases a graduated trihedron from the view.
291 Standard_EXPORT void GraduatedTrihedronErase();
293 //! modify the Projection of the view perpendicularly to
294 //! the privileged plane of the viewer.
295 Standard_EXPORT void SetFront();
297 //! Rotates the eye about the coordinate system of
298 //! reference of the screen
299 //! for which the origin is the view point of the projection,
300 //! with a relative angular value in RADIANS with respect to
301 //! the initial position expressed by Start = Standard_True
302 //! Warning! raises BadValue from V3d
303 //! If the eye, the view point, or the high point are
304 //! aligned or confused.
305 Standard_EXPORT void Rotate (const Standard_Real Ax, const Standard_Real Ay, const Standard_Real Az, const Standard_Boolean Start = Standard_True);
307 //! Rotates the eye about the coordinate system of
308 //! reference of the screen
309 //! for which the origin is Gravity point {X,Y,Z},
310 //! with a relative angular value in RADIANS with respect to
311 //! the initial position expressed by Start = Standard_True
312 //! If the eye, the view point, or the high point are
313 //! aligned or confused.
314 Standard_EXPORT void Rotate (const Standard_Real Ax, const Standard_Real Ay, const Standard_Real Az,
315 const Standard_Real X, const Standard_Real Y, const Standard_Real Z,
316 const Standard_Boolean Start = Standard_True);
318 //! Rotates the eye about one of the coordinate axes of
319 //! of the view for which the origin is the Gravity point{X,Y,Z}
320 //! with an relative angular value in RADIANS with
321 //! respect to the initial position expressed by
322 //! Start = Standard_True
323 Standard_EXPORT void Rotate (const V3d_TypeOfAxe Axe,
324 const Standard_Real Angle,
325 const Standard_Real X, const Standard_Real Y, const Standard_Real Z,
326 const Standard_Boolean Start = Standard_True);
328 //! Rotates the eye about one of the coordinate axes of
329 //! of the view for which the origin is the view point of the
330 //! projection with an relative angular value in RADIANS with
331 //! respect to the initial position expressed by
332 //! Start = Standard_True
333 Standard_EXPORT void Rotate (const V3d_TypeOfAxe Axe, const Standard_Real Angle, const Standard_Boolean Start = Standard_True);
335 //! Rotates the eye around the current axis a relative
336 //! angular value in RADIANS with respect to the initial
337 //! position expressed by Start = Standard_True
338 Standard_EXPORT void Rotate (const Standard_Real Angle, const Standard_Boolean Start = Standard_True);
340 //! Movement of the eye parallel to the coordinate system
341 //! of reference of the screen a distance relative to the
342 //! initial position expressed by Start = Standard_True.
343 Standard_EXPORT void Move (const Standard_Real Dx, const Standard_Real Dy, const Standard_Real Dz, const Standard_Boolean Start = Standard_True);
345 //! Movement of the eye parallel to one of the axes of the
346 //! coordinate system of reference of the view a distance
347 //! relative to the initial position expressed by
348 //! Start = Standard_True.
349 Standard_EXPORT void Move (const V3d_TypeOfAxe Axe, const Standard_Real Length, const Standard_Boolean Start = Standard_True);
351 //! Movement of the eye parllel to the current axis
352 //! a distance relative to the initial position
353 //! expressed by Start = Standard_True
354 Standard_EXPORT void Move (const Standard_Real Length, const Standard_Boolean Start = Standard_True);
356 //! Movement of the ye and the view point parallel to the
357 //! frame of reference of the screen a distance relative
358 //! to the initial position expressed by
359 //! Start = Standard_True
360 Standard_EXPORT void Translate (const Standard_Real Dx, const Standard_Real Dy, const Standard_Real Dz, const Standard_Boolean Start = Standard_True);
362 //! Movement of the eye and the view point parallel to one
363 //! of the axes of the fame of reference of the view a
364 //! distance relative to the initial position
365 //! expressed by Start = Standard_True
366 Standard_EXPORT void Translate (const V3d_TypeOfAxe Axe, const Standard_Real Length, const Standard_Boolean Start = Standard_True);
368 //! Movement of the eye and view point parallel to
369 //! the current axis a distance relative to the initial
370 //! position expressed by Start = Standard_True
371 Standard_EXPORT void Translate (const Standard_Real Length, const Standard_Boolean Start = Standard_True);
373 //! places the point of the view corresponding
374 //! at the pixel position x,y at the center of the window
375 //! and updates the view.
376 Standard_EXPORT void Place (const Standard_Integer theXp, const Standard_Integer theYp, const Standard_Real theZoomFactor = 1);
378 //! Rotation of the view point around the frame of reference
379 //! of the screen for which the origin is the eye of the
380 //! projection with a relative angular value in RADIANS
381 //! with respect to the initial position expressed by
382 //! Start = Standard_True
383 Standard_EXPORT void Turn (const Standard_Real Ax, const Standard_Real Ay, const Standard_Real Az, const Standard_Boolean Start = Standard_True);
385 //! Rotation of the view point around one of the axes of the
386 //! frame of reference of the view for which the origin is
387 //! the eye of the projection with an angular value in
388 //! RADIANS relative to the initial position expressed by
389 //! Start = Standard_True
390 Standard_EXPORT void Turn (const V3d_TypeOfAxe Axe, const Standard_Real Angle, const Standard_Boolean Start = Standard_True);
392 //! Rotation of the view point around the current axis an
393 //! angular value in RADIANS relative to the initial
394 //! position expressed by Start = Standard_True
395 Standard_EXPORT void Turn (const Standard_Real Angle, const Standard_Boolean Start = Standard_True);
397 //! Defines the angular position of the high point of
398 //! the reference frame of the view with respect to the
399 //! Y screen axis with an absolute angular value in
401 Standard_EXPORT void SetTwist (const Standard_Real Angle);
403 //! Defines the position of the eye..
404 Standard_EXPORT void SetEye (const Standard_Real X, const Standard_Real Y, const Standard_Real Z);
406 //! Defines the Depth of the eye from the view point
407 //! without update the projection .
408 Standard_EXPORT void SetDepth (const Standard_Real Depth);
410 //! Defines the orientation of the projection.
411 Standard_EXPORT void SetProj (const Standard_Real Vx, const Standard_Real Vy, const Standard_Real Vz);
413 //! Defines the orientation of the projection .
414 Standard_EXPORT void SetProj (const V3d_TypeOfOrientation Orientation);
416 //! Defines the position of the view point.
417 Standard_EXPORT void SetAt (const Standard_Real X, const Standard_Real Y, const Standard_Real Z);
419 //! Defines the orientation of the high point.
420 Standard_EXPORT void SetUp (const Standard_Real Vx, const Standard_Real Vy, const Standard_Real Vz);
422 //! Defines the orientation(SO) of the high point.
423 Standard_EXPORT void SetUp (const V3d_TypeOfOrientation Orientation);
425 //! Saves the current state of the orientation of the view
426 //! which will be the return state at ResetViewOrientation.
427 Standard_EXPORT void SetViewOrientationDefault();
429 //! Resets the orientation of the view.
431 Standard_EXPORT void ResetViewOrientation();
433 //! Translates the center of the view along "x" and "y" axes of
434 //! view projection. Can be used to perform interactive panning operation.
435 //! In that case the DXv, DXy parameters specify panning relative to the
436 //! point where the operation is started.
437 //! @param theDXv [in] the relative panning on "x" axis of view projection, in view space coordinates.
438 //! @param theDYv [in] the relative panning on "y" axis of view projection, in view space coordinates.
439 //! @param theZoomFactor [in] the zooming factor.
440 //! @param theToStart [in] pass TRUE when starting panning to remember view
441 //! state prior to panning for relative arguments. If panning is started,
442 //! passing {0, 0} for {theDXv, theDYv} will return view to initial state.
443 //! Performs update of view.
444 Standard_EXPORT void Panning (const Standard_Real theDXv, const Standard_Real theDYv, const Standard_Real theZoomFactor = 1, const Standard_Boolean theToStart = Standard_True);
446 //! Relocates center of screen to the point, determined by
447 //! {Xp, Yp} pixel coordinates relative to the bottom-left corner of
448 //! screen. To calculate pixel coordinates for any point from world
449 //! coordinate space, it can be projected using "Project".
450 //! @param theXp [in] the x coordinate.
451 //! @param theYp [in] the y coordinate.
452 Standard_EXPORT void SetCenter (const Standard_Integer theXp, const Standard_Integer theYp);
454 //! Defines the view projection size in its maximum dimension,
455 //! keeping the inital height/width ratio unchanged.
456 Standard_EXPORT void SetSize (const Standard_Real theSize);
458 //! Defines the Depth size of the view
459 //! Front Plane will be set to Size/2.
460 //! Back Plane will be set to -Size/2.
461 //! Any Object located Above the Front Plane or
462 //! behind the Back Plane will be Clipped .
463 //! NOTE than the XY Size of the View is NOT modified .
464 Standard_EXPORT void SetZSize (const Standard_Real SetZSize);
466 //! Zooms the view by a factor relative to the initial
467 //! value expressed by Start = Standard_True
468 //! Updates the view.
469 Standard_EXPORT void SetZoom (const Standard_Real Coef, const Standard_Boolean Start = Standard_True);
471 //! Zooms the view by a factor relative to the value
472 //! initialised by SetViewMappingDefault().
473 //! Updates the view.
474 Standard_EXPORT void SetScale (const Standard_Real Coef);
476 //! Sets anisotropic (axial) scale factors <Sx>, <Sy>, <Sz> for view <me>.
477 //! Anisotropic scaling operation is performed through multiplying
478 //! the current view orientation matrix by a scaling matrix:
483 //! Updates the view.
484 Standard_EXPORT void SetAxialScale (const Standard_Real Sx, const Standard_Real Sy, const Standard_Real Sz);
486 //! Adjust view parameters to fit the displayed scene, respecting height / width ratio.
487 //! The Z clipping range (depth range) is fitted if AutoZFit flag is TRUE.
488 //! Throws program error exception if margin coefficient is < 0 or >= 1.
489 //! Updates the view.
490 //! @param theMargin [in] the margin coefficient for view borders.
491 //! @param theToUpdate [in] flag to perform view update.
492 Standard_EXPORT void FitAll (const Standard_Real theMargin = 0.01, const Standard_Boolean theToUpdate = Standard_True);
494 //! Adjust view parameters to fit the displayed scene, respecting height / width ratio
495 //! according to the custom bounding box given.
496 //! Throws program error exception if margin coefficient is < 0 or >= 1.
497 //! Updates the view.
498 //! @param theBox [in] the custom bounding box to fit.
499 //! @param theMargin [in] the margin coefficient for view borders.
500 //! @param theToUpdate [in] flag to perform view update.
501 Standard_EXPORT void FitAll (const Bnd_Box& theBox, const Standard_Real theMargin = 0.01, const Standard_Boolean theToUpdate = Standard_True);
503 //! Adjusts the viewing volume so as not to clip the displayed objects by front and back
504 //! and back clipping planes. Also sets depth value automatically depending on the
505 //! calculated Z size and Aspect parameter.
506 //! NOTE than the original XY size of the view is NOT modified .
507 Standard_EXPORT void DepthFitAll (const Standard_Real Aspect = 0.01, const Standard_Real Margin = 0.01);
509 //! Centers the defined projection window so that it occupies
510 //! the maximum space while respecting the initial
511 //! height/width ratio.
512 //! NOTE than the original Z size of the view is NOT modified .
513 Standard_EXPORT void FitAll (const Standard_Real theMinXv, const Standard_Real theMinYv, const Standard_Real theMaxXv, const Standard_Real theMaxYv);
515 //! Centers the defined PIXEL window so that it occupies
516 //! the maximum space while respecting the initial height/width ratio.
517 //! NOTE than the original Z size of the view is NOT modified.
518 //! @param theMinXp [in] pixel coordinates of minimal corner on x screen axis.
519 //! @param theMinYp [in] pixel coordinates of minimal corner on y screen axis.
520 //! @param theMaxXp [in] pixel coordinates of maximal corner on x screen axis.
521 //! @param theMaxYp [in] pixel coordinates of maximal corner on y screen axis.
522 Standard_EXPORT void WindowFit (const Standard_Integer theMinXp, const Standard_Integer theMinYp, const Standard_Integer theMaxXp, const Standard_Integer theMaxYp);
524 //! Saves the current view mapping. This will be the
525 //! state returned from ResetViewmapping.
526 Standard_EXPORT void SetViewMappingDefault();
528 //! Resets the centering of the view.
530 Standard_EXPORT void ResetViewMapping();
532 //! Resets the centering and the orientation of the view.
533 Standard_EXPORT void Reset (const Standard_Boolean theToUpdate = Standard_True);
535 //! Converts the PIXEL value
536 //! to a value in the projection plane.
537 Standard_EXPORT Standard_Real Convert (const Standard_Integer Vp) const;
539 //! Converts the point PIXEL into a point projected
540 //! in the reference frame of the projection plane.
541 Standard_EXPORT void Convert (const Standard_Integer Xp, const Standard_Integer Yp,
542 Standard_Real& Xv, Standard_Real& Yv) const;
544 //! Converts tha value of the projection plane into
546 Standard_EXPORT Standard_Integer Convert (const Standard_Real Vv) const;
548 //! Converts the point defined in the reference frame
549 //! of the projection plane into a point PIXEL.
550 Standard_EXPORT void Convert (const Standard_Real Xv, const Standard_Real Yv,
551 Standard_Integer& Xp, Standard_Integer& Yp) const;
553 //! Converts the projected point into a point
554 //! in the reference frame of the view corresponding
555 //! to the intersection with the projection plane
556 //! of the eye/view point vector.
557 Standard_EXPORT void Convert (const Standard_Integer Xp, const Standard_Integer Yp,
558 Standard_Real& X, Standard_Real& Y, Standard_Real& Z) const;
560 //! Converts the projected point into a point
561 //! in the reference frame of the view corresponding
562 //! to the intersection with the projection plane
563 //! of the eye/view point vector and returns the
564 //! projection ray for further computations.
565 Standard_EXPORT void ConvertWithProj (const Standard_Integer Xp, const Standard_Integer Yp,
566 Standard_Real& X, Standard_Real& Y, Standard_Real& Z,
567 Standard_Real& Vx, Standard_Real& Vy, Standard_Real& Vz) const;
569 //! Converts the projected point into the nearest grid point
570 //! in the reference frame of the view corresponding
571 //! to the intersection with the projection plane
572 //! of the eye/view point vector and display the grid marker.
573 //! Warning: When the grid is not active the result is identical to the above Convert() method.
575 //! 1) Enable the grid echo display
576 //! myViewer->SetGridEcho(Standard_True);
577 //! 2) When application receive a move event:
578 //! 2.1) Check if any object is detected
579 //! if( myInteractiveContext->MoveTo(x,y) == AIS_SOD_Nothing ) {
580 //! 2.2) Check if the grid is active
581 //! if( myViewer->Grid()->IsActive() ) {
582 //! 2.3) Display the grid echo and gets the grid point
583 //! myView->ConvertToGrid(x,y,X,Y,Z);
584 //! myView->Viewer()->ShowGridEcho (myView, Graphic3d_Vertex (X,Y,Z));
585 //! myView->RedrawImmediate();
586 //! 2.4) Else this is the standard case
587 //! } else myView->Convert(x,y,X,Y,Z);
588 Standard_EXPORT void ConvertToGrid (const Standard_Integer Xp, const Standard_Integer Yp,
589 Standard_Real& Xg, Standard_Real& Yg, Standard_Real& Zg) const;
591 //! Converts the point into the nearest grid point
592 //! and display the grid marker.
593 Standard_EXPORT void ConvertToGrid (const Standard_Real X, const Standard_Real Y, const Standard_Real Z,
594 Standard_Real& Xg, Standard_Real& Yg, Standard_Real& Zg) const;
596 //! Projects the point defined in the reference frame of
597 //! the view into the projected point in the associated window.
598 Standard_EXPORT void Convert (const Standard_Real X, const Standard_Real Y, const Standard_Real Z,
599 Standard_Integer& Xp, Standard_Integer& Yp) const;
601 //! Converts the point defined in the user space of
602 //! the view to the projection plane at the depth
603 //! relative to theZ.
604 Standard_EXPORT void Project (const Standard_Real theX,
605 const Standard_Real theY,
606 const Standard_Real theZ,
607 Standard_Real& theXp,
608 Standard_Real& theYp) const;
610 //! Converts the point defined in the user space of
611 //! the view to the projection plane at the depth
612 //! relative to theZ.
613 Standard_EXPORT void Project (const Standard_Real theX,
614 const Standard_Real theY,
615 const Standard_Real theZ,
616 Standard_Real& theXp,
617 Standard_Real& theYp,
618 Standard_Real& theZp) const;
620 //! Returns the Background color values of the view
621 //! depending of the color Type.
622 Standard_EXPORT void BackgroundColor (const Quantity_TypeOfColor Type, Standard_Real& V1, Standard_Real& V2, Standard_Real& V3) const;
624 //! Returns the Background color object of the view.
625 Standard_EXPORT Quantity_Color BackgroundColor() const;
627 //! Returns the gradient background colors of the view.
628 Standard_EXPORT void GradientBackgroundColors (Quantity_Color& theColor1, Quantity_Color& theColor2) const;
630 //! Returns the gradient background of the view.
631 Standard_EXPORT Aspect_GradientBackground GradientBackground() const;
633 //! Returns the current value of the zoom expressed with
634 //! respect to SetViewMappingDefault().
635 Standard_EXPORT Standard_Real Scale() const;
637 //! Returns the current values of the anisotropic (axial) scale factors.
638 Standard_EXPORT void AxialScale (Standard_Real& Sx, Standard_Real& Sy, Standard_Real& Sz) const;
640 //! Returns the height and width of the view.
641 Standard_EXPORT void Size (Standard_Real& Width, Standard_Real& Height) const;
643 //! Returns the Depth of the view .
644 Standard_EXPORT Standard_Real ZSize() const;
646 //! Returns the position of the eye.
647 Standard_EXPORT void Eye (Standard_Real& X, Standard_Real& Y, Standard_Real& Z) const;
649 //! Returns the position of point which emanating the
651 Standard_EXPORT void FocalReferencePoint (Standard_Real& X, Standard_Real& Y, Standard_Real& Z) const;
653 //! Returns the coordinate of the point (Xpix,Ypix)
654 //! in the view (XP,YP,ZP), and the projection vector of the
655 //! view passing by the point (for PerspectiveView).
656 Standard_EXPORT void ProjReferenceAxe (const Standard_Integer Xpix, const Standard_Integer Ypix,
657 Standard_Real& XP, Standard_Real& YP, Standard_Real& ZP,
658 Standard_Real& VX, Standard_Real& VY, Standard_Real& VZ) const;
660 //! Returns the Distance between the Eye and View Point.
661 Standard_EXPORT Standard_Real Depth() const;
663 //! Returns the projection vector.
664 Standard_EXPORT void Proj (Standard_Real& Vx, Standard_Real& Vy, Standard_Real& Vz) const;
666 //! Returns the position of the view point.
667 Standard_EXPORT void At (Standard_Real& X, Standard_Real& Y, Standard_Real& Z) const;
669 //! Returns the vector giving the position of the high point.
670 Standard_EXPORT void Up (Standard_Real& Vx, Standard_Real& Vy, Standard_Real& Vz) const;
672 //! Returns in RADIANS the orientation of the view around
673 //! the visual axis measured from the Y axis of the screen.
674 Standard_EXPORT Standard_Real Twist() const;
676 //! Returns the current shading model.
677 Standard_EXPORT V3d_TypeOfShadingModel ShadingModel() const;
679 Standard_EXPORT Handle(Graphic3d_TextureEnv) TextureEnv() const;
681 //! Returns the current visualisation mode.
682 Standard_EXPORT V3d_TypeOfVisualization Visualization() const;
684 //! Returns True if One light more can be
685 //! activated in this View.
686 Standard_EXPORT Standard_Boolean IfMoreLights() const;
688 //! Return iterator for defined lights.
689 V3d_ListOfLightIterator ActiveLightIterator() const { return V3d_ListOfLightIterator (myActiveLights); }
691 //! initializes an iteration on the active Lights.
692 void InitActiveLights() { myActiveLightsIterator.Initialize (myActiveLights); }
694 //! returns true if there are more active Light(s) to return.
695 Standard_Boolean MoreActiveLights() const { return myActiveLightsIterator.More(); }
697 //! Go to the next active Light (if there is not, ActiveLight will raise an exception)
698 void NextActiveLights() { myActiveLightsIterator.Next(); }
700 const Handle(V3d_Light)& ActiveLight() const { return myActiveLightsIterator.Value(); }
702 //! Returns the MAX number of light associated to the view.
703 Standard_EXPORT Standard_Integer LightLimit() const;
705 //! Returns the viewer in which the view has been created.
706 Standard_EXPORT Handle(V3d_Viewer) Viewer() const;
708 //! Returns True if MyView is associated with a window .
709 Standard_EXPORT Standard_Boolean IfWindow() const;
711 //! Returns the Aspect Window associated with the view.
712 Standard_EXPORT Handle(Aspect_Window) Window() const;
714 //! Returns the Type of the View
715 Standard_EXPORT V3d_TypeOfView Type() const;
717 //! Translates the center of the view along "x" and "y" axes of
718 //! view projection. Can be used to perform interactive panning operation.
719 //! In that case the DXp, DXp parameters specify panning relative to the
720 //! point where the operation is started.
721 //! @param theDXp [in] the relative panning on "x" axis of view projection, in pixels.
722 //! @param theDYp [in] the relative panning on "y" axis of view projection, in pixels.
723 //! @param theZoomFactor [in] the zooming factor.
724 //! @param theToStart [in] pass TRUE when starting panning to remember view
725 //! state prior to panning for relative arguments. Passing 0 for relative
726 //! panning parameter should return view panning to initial state.
727 //! Performs update of view.
728 Standard_EXPORT void Pan (const Standard_Integer theDXp, const Standard_Integer theDYp, const Standard_Real theZoomFactor = 1, const Standard_Boolean theToStart = Standard_True);
730 //! Zoom the view according to a zoom factor computed
731 //! from the distance between the 2 mouse position.
732 //! @param theXp1 [in] the x coordinate of first mouse position, in pixels.
733 //! @param theYp1 [in] the y coordinate of first mouse position, in pixels.
734 //! @param theXp2 [in] the x coordinate of second mouse position, in pixels.
735 //! @param theYp2 [in] the y coordinate of second mouse position, in pixels.
736 Standard_EXPORT void Zoom (const Standard_Integer theXp1, const Standard_Integer theYp1, const Standard_Integer theXp2, const Standard_Integer theYp2);
738 //! Defines starting point for ZoomAtPoint view operation.
739 //! @param theXp [in] the x mouse coordinate, in pixels.
740 //! @param theYp [in] the y mouse coordinate, in pixels.
741 Standard_EXPORT void StartZoomAtPoint (const Standard_Integer theXp, const Standard_Integer theYp);
743 //! Zooms the model at a pixel defined by the method StartZoomAtPoint().
744 Standard_EXPORT void ZoomAtPoint (const Standard_Integer theMouseStartX, const Standard_Integer theMouseStartY, const Standard_Integer theMouseEndX, const Standard_Integer theMouseEndY);
746 //! Performs anisotropic scaling of <me> view along the given <Axis>.
747 //! The scale factor is calculated on a basis of
748 //! the mouse pointer displacement <Dx,Dy>.
749 //! The calculated scale factor is then passed to SetAxialScale(Sx, Sy, Sz) method.
750 Standard_EXPORT void AxialScale (const Standard_Integer Dx, const Standard_Integer Dy, const V3d_TypeOfAxe Axis);
752 //! Begin the rotation of the view around the screen axis
753 //! according to the mouse position <X,Y>.
754 //! Warning: Enable rotation around the Z screen axis when <zRotationThreshold>
755 //! factor is > 0 soon the distance from the start point and the center
756 //! of the view is > (medium viewSize * <zRotationThreshold> ).
757 //! Generally a value of 0.4 is usable to rotate around XY screen axis
758 //! inside the circular threshold area and to rotate around Z screen axis
759 //! outside this area.
760 Standard_EXPORT void StartRotation (const Standard_Integer X, const Standard_Integer Y, const Standard_Real zRotationThreshold = 0.0);
762 //! Continues the rotation of the view
763 //! with an angle computed from the last and new mouse position <X,Y>.
764 Standard_EXPORT void Rotation (const Standard_Integer X, const Standard_Integer Y);
766 //! Change View Plane Distance for Perspective Views
767 //! Warning! raises TypeMismatch from Standard if the view
768 //! is not a perspective view.
769 Standard_EXPORT void SetFocale (const Standard_Real Focale);
771 //! Returns the View Plane Distance for Perspective Views
772 Standard_EXPORT Standard_Real Focale() const;
774 //! Returns the associated Graphic3d view.
775 Standard_EXPORT Handle(Graphic3d_CView) View() const;
777 //! Switches computed HLR mode in the view.
778 Standard_EXPORT void SetComputedMode (const Standard_Boolean theMode);
780 //! Returns the computed HLR mode state.
781 Standard_EXPORT Standard_Boolean ComputedMode() const;
783 //! idem than WindowFit
784 Standard_EXPORT void WindowFitAll (const Standard_Integer Xmin, const Standard_Integer Ymin, const Standard_Integer Xmax, const Standard_Integer Ymax);
786 //! Defines or Updates the definition of the
788 Standard_EXPORT void SetGrid (const gp_Ax3& aPlane, const Handle(Aspect_Grid)& aGrid);
790 //! Defines or Updates the activity of the
792 Standard_EXPORT void SetGridActivity (const Standard_Boolean aFlag);
794 //! dump the full contents of the view at the same
795 //! scale in the file <theFile>. The file name
796 //! extension must be one of ".png",".bmp",".jpg",".gif".
797 //! Returns FALSE when the dump has failed
798 Standard_EXPORT Standard_Boolean Dump (const Standard_CString theFile, const Graphic3d_BufferType& theBufferType = Graphic3d_BT_RGB);
800 //! Export scene into the one of the Vector graphics formats (SVG, PS, PDF...).
801 //! In contrast to Bitmaps, Vector graphics is scalable (so you may got quality benefits
802 //! on printing to laser printer). Notice however that results may differ a lot and
803 //! do not contain some elements.
804 Standard_DEPRECATED("Export to Vector graphic is incompatible with Programmable Pipeline and should not be used")
805 Standard_EXPORT Standard_Boolean Export (const Standard_CString theFileName,
806 const Graphic3d_ExportFormat theFormat,
807 const Graphic3d_SortType theSortType = Graphic3d_ST_BSP_Tree);
809 //! Dumps the full contents of the view to a pixmap with specified parameters.
810 Standard_EXPORT Standard_Boolean ToPixMap (Image_PixMap& theImage,
811 const V3d_ImageDumpOptions& theParams);
813 //! Dumps the full contents of the view to a pixmap.
814 //! @param theImage target image, will be re-allocated to match theWidth x theHeight
815 //! @param theWidth target image width
816 //! @param theHeight target image height
817 //! @param theBufferType type of the view buffer to dump (color / depth)
818 //! @param theToAdjustAspect when true, active view aspect ratio will be overridden by (theWidth / theHeight)
819 //! @param theStereoOptions how to dump stereographic camera
820 Standard_Boolean ToPixMap (Image_PixMap& theImage,
821 const Standard_Integer theWidth,
822 const Standard_Integer theHeight,
823 const Graphic3d_BufferType& theBufferType = Graphic3d_BT_RGB,
824 const Standard_Boolean theToAdjustAspect = Standard_True,
825 const V3d_StereoDumpOptions theStereoOptions = V3d_SDO_MONO)
827 V3d_ImageDumpOptions aParams;
828 aParams.Width = theWidth;
829 aParams.Height = theHeight;
830 aParams.BufferType = theBufferType;
831 aParams.StereoOptions = theStereoOptions;
832 aParams.ToAdjustAspect = theToAdjustAspect;
833 return ToPixMap (theImage, aParams);
836 //! Manages display of the back faces
837 //! When <aModel> is TOBM_AUTOMATIC the object backfaces
838 //! are displayed only for surface objects and
839 //! never displayed for solid objects.
840 //! this was the previous mode.
841 //! <aModel> is TOBM_ALWAYS_DISPLAYED the object backfaces
842 //! are always displayed both for surfaces or solids.
843 //! <aModel> is TOBM_NEVER_DISPLAYED the object backfaces
844 //! are never displayed.
845 Standard_EXPORT void SetBackFacingModel (const V3d_TypeOfBackfacingModel theModel = V3d_TOBM_AUTOMATIC);
847 //! Returns current state of the back faces display
848 Standard_EXPORT V3d_TypeOfBackfacingModel BackFacingModel() const;
850 //! Adds clip plane to the view. The composition of clip planes truncates the
851 //! rendering space to convex volume. Number of supported clip planes can be consulted
852 //! by PlaneLimit method of associated Graphic3d_GraphicDriver.
853 //! Please be aware that the planes which exceed the limit are ignored during rendering.
854 //! @param thePlane [in] the clip plane to be added to view.
855 Standard_EXPORT virtual void AddClipPlane (const Handle(Graphic3d_ClipPlane)& thePlane);
857 //! Removes clip plane from the view.
858 //! @param thePlane [in] the clip plane to be removed from view.
859 Standard_EXPORT virtual void RemoveClipPlane (const Handle(Graphic3d_ClipPlane)& thePlane);
861 //! Sets sequence of clip planes to the view. The planes that have been set
862 //! before are removed from the view. The composition of clip planes
863 //! truncates the rendering space to convex volume. Number of supported
864 //! clip planes can be consulted by InquirePlaneLimit method of
865 //! Graphic3d_GraphicDriver. Please be aware that the planes that
866 //! exceed the limit are ignored during rendering.
867 //! @param thePlanes [in] the clip planes to set.
868 Standard_EXPORT void SetClipPlanes (const Handle(Graphic3d_SequenceOfHClipPlane)& thePlanes);
870 Standard_DEPRECATED("This method is deprecated - overload taking Handle should be used instead")
871 void SetClipPlanes (const Graphic3d_SequenceOfHClipPlane& thePlanes)
873 Handle(Graphic3d_SequenceOfHClipPlane) aPlanes = new Graphic3d_SequenceOfHClipPlane (thePlanes);
874 SetClipPlanes (aPlanes);
878 //! @return sequence clip planes that have been set for the view
879 Standard_EXPORT const Handle(Graphic3d_SequenceOfHClipPlane)& ClipPlanes() const;
881 //! Returns the MAX number of clipping planes associated to the view.
882 Standard_EXPORT Standard_Integer PlaneLimit() const;
884 //! Change camera used by view.
885 Standard_EXPORT void SetCamera (const Handle(Graphic3d_Camera)& theCamera);
887 //! Returns camera object of the view.
888 //! @return: handle to camera object, or NULL if 3D view does not use
889 //! the camera approach.
890 Standard_EXPORT const Handle(Graphic3d_Camera)& Camera() const;
892 //! Return default camera.
893 const Handle(Graphic3d_Camera)& DefaultCamera() const { return myDefaultCamera; }
895 //! Returns current rendering parameters and effect settings.
896 //! By default it returns default parameters of current viewer.
897 //! To define view-specific settings use method V3d_View::ChangeRenderingParams().
898 //! @sa V3d_Viewer::DefaultRenderingParams()
899 Standard_EXPORT const Graphic3d_RenderingParams& RenderingParams() const;
901 //! Returns reference to current rendering parameters and effect settings.
902 Standard_EXPORT Graphic3d_RenderingParams& ChangeRenderingParams();
904 //! @return flag value of objects culling mechanism
905 Standard_EXPORT Standard_Boolean IsCullingEnabled() const;
907 //! Turn on/off automatic culling of objects outside frustrum (ON by default)
908 Standard_EXPORT void SetFrustumCulling (const Standard_Boolean theMode);
911 //! Activates all of the views of a viewer attached
913 Standard_EXPORT void V3d_Viewer::SetViewOn();
915 //! Activates a particular view in the Viewer .
916 //! Must be call if the Window attached to the view
917 //! has been Deiconified .
918 Standard_EXPORT void V3d_Viewer::SetViewOn (const Handle(V3d_View)& View);
920 //! Deactivates all the views of a Viewer
921 //! attached to a window.
922 Standard_EXPORT void V3d_Viewer::SetViewOff();
924 //! Deactivates a particular view in the Viewer.
925 //! Must be call if the Window attached to the view
926 //! has been Iconified .
927 Standard_EXPORT void V3d_Viewer::SetViewOff (const Handle(V3d_View)& View);
929 //! Fill in the dictionary with diagnostic info.
930 //! Should be called within rendering thread.
932 //! This API should be used only for user output or for creating automated reports.
933 //! The format of returned information (e.g. key-value layout)
934 //! is NOT part of this API and can be changed at any time.
935 //! Thus application should not parse returned information to weed out specific parameters.
936 //! @param theDict destination map for information
937 //! @param theFlags defines the information to be retrieved
938 Standard_EXPORT void DiagnosticInformation (TColStd_IndexedDataMapOfStringString& theDict,
939 Graphic3d_DiagnosticInfo theFlags) const;
941 DEFINE_STANDARD_RTTIEXT(V3d_View,Standard_Transient)
945 Standard_EXPORT void ImmediateUpdate() const;
947 //! Transform camera eye, center and scale to fit in the
948 //! passed bounding box specified in WCS.
949 //! @param theCamera [in] the camera.
950 //! @param theBox [in] the bounding box.
951 //! @param theMargin [in] the margin coefficient for view borders.
952 //! @param theResolution [in] the minimum size of projection of
953 //! bounding box in Xv or Yv direction when it considered to
954 //! be a thin plane or point (without a volume).
955 //! In this case only the center of camera is adjusted.
956 //! @param theToEnlargeIfLine [in] if passed TRUE - in cases when the
957 //! whole bounding box projected into thin line going along
958 //! Z-axis of screen, the view plane is enlarged such that
959 //! we see the whole line on rotation, otherwise only the
960 //! center of camera is adjusted.
961 //! @return TRUE if the fit all operation can be done.
962 Standard_EXPORT Standard_Boolean FitMinMax (const Handle(Graphic3d_Camera)& theCamera, const Bnd_Box& theBox, const Standard_Real theMargin, const Standard_Real theResolution = 0.0, const Standard_Boolean theToEnlargeIfLine = Standard_True) const;
964 //! Scales camera to fit the view frame of defined width and height
965 //! keeping the aspect. For orthogonal camera the method changes scale,
966 //! for perspective adjusts Eye location about the Center point.
967 //! @param theSizeXv [in] size of viewport frame on "x" axis.
968 //! @param theSizeYv [in] size of viewport frame on "y" axis.
969 Standard_EXPORT void Scale (const Handle(Graphic3d_Camera)& theCamera, const Standard_Real theSizeXv, const Standard_Real theSizeYv) const;
971 Standard_EXPORT void Translate (const Handle(Graphic3d_Camera)& theCamera, const Standard_Real theDXv, const Standard_Real theDYv) const;
975 //! Modifies the aspect ratio of the camera when
976 //! the associated window is defined or resized.
977 Standard_EXPORT void SetRatio();
979 //! Determines the screen axes in the reference
980 //! framework of the view.
981 Standard_EXPORT static Standard_Boolean screenAxis (const gp_Dir& theVpn, const gp_Dir& theVup,
982 gp_Vec& theXaxe, gp_Vec& theYaxe, gp_Vec& theZaxe);
984 //! Transforms the Vertex V according to the matrice Matrix .
985 Standard_EXPORT static gp_XYZ TrsPoint (const Graphic3d_Vertex& V, const TColStd_Array2OfReal& Matrix);
987 //! Returns the objects number and the projection window
988 //! of the objects contained in the view.
989 Standard_EXPORT Standard_Integer MinMax (Standard_Real& Umin, Standard_Real& Vmin, Standard_Real& Umax, Standard_Real& Vmax) const;
991 //! Returns the objects number and the box encompassing
992 //! the objects contained in the view
993 Standard_EXPORT Standard_Integer MinMax (Standard_Real& Xmin, Standard_Real& Ymin, Standard_Real& Zmin, Standard_Real& Xmax, Standard_Real& Ymax, Standard_Real& Zmax) const;
995 //! Returns the Objects number and the gravity center
996 //! of ALL viewable points in the view
997 Standard_EXPORT void Gravity (Standard_Real& X, Standard_Real& Y, Standard_Real& Z) const;
999 Standard_EXPORT void Init();
1001 //! Returns a new vertex when the grid is activated.
1002 Standard_EXPORT Graphic3d_Vertex Compute (const Graphic3d_Vertex& AVertex) const;
1006 Standard_Real myOldMouseX;
1007 Standard_Real myOldMouseY;
1008 gp_Dir myCamStartOpUp;
1009 gp_Pnt myCamStartOpEye;
1010 Standard_Real myCamStartOpBnd[6];
1011 gp_Pnt myCamStartOpCenter;
1012 Handle(Graphic3d_Camera) myDefaultCamera;
1013 Handle(Graphic3d_CView) myView;
1014 Standard_Boolean myImmediateUpdate;
1018 V3d_ViewerPointer MyViewer;
1019 V3d_ListOfLight myActiveLights;
1020 gp_Dir myDefaultViewAxis;
1021 gp_Pnt myDefaultViewPoint;
1022 Handle(Aspect_Window) MyWindow;
1023 V3d_ListOfLight::Iterator myActiveLightsIterator;
1024 Standard_Integer sx;
1025 Standard_Integer sy;
1031 Standard_Boolean myComputedMode;
1032 Standard_Boolean SwitchSetFront;
1033 Standard_Boolean myZRotation;
1034 Standard_Integer MyZoomAtPointX;
1035 Standard_Integer MyZoomAtPointY;
1036 Handle(V3d_Trihedron) myTrihedron;
1037 Handle(Aspect_Grid) MyGrid;
1039 TColStd_Array2OfReal MyTrsf;
1040 Handle(Graphic3d_Structure) MyGridEchoStructure;
1041 Handle(Graphic3d_Group) MyGridEchoGroup;
1042 gp_Vec myXscreenAxis;
1043 gp_Vec myYscreenAxis;
1044 gp_Vec myZscreenAxis;
1046 Graphic3d_Vertex myGravityReferencePoint;
1047 Standard_Boolean myAutoZFitIsOn;
1048 Standard_Real myAutoZFitScaleFactor;
1052 #endif // _V3d_View_HeaderFile