0031773: Visualization - add Prs3d_ToolTorus

Added Prs3d_ToolTorus tool to create a torus

diff --git a/src/Prs3d/FILES b/src/Prs3d/FILES
index 124648874d965e8495eb560b9cedac208eecf66c..cb27c36bcc208453fd9b253ac076eb265dcba23c 100755 (executable)
--- a/src/Prs3d/FILES
+++ b/src/Prs3d/FILES
@@ -55,6 +55,8 @@ Prs3d_ToolQuadric.hxx
 Prs3d_ToolQuadric.cxx
 Prs3d_ToolSphere.hxx
 Prs3d_ToolSphere.cxx
+Prs3d_ToolTorus.hxx
+Prs3d_ToolTorus.cxx
 Prs3d_TypeOfHighlight.hxx
 Prs3d_TypeOfHLR.hxx
 Prs3d_TypeOfLinePicking.hxx

diff --git a/src/Prs3d/Prs3d_ToolTorus.cxx b/src/Prs3d/Prs3d_ToolTorus.cxx
new file mode 100644 (file)
index 0000000..8df318c
--- /dev/null
+++ b/src/Prs3d/Prs3d_ToolTorus.cxx
@@ -0,0 +1,82 @@
+// Created on: 2020-09-17
+// Created by: Marina ZERNOVA
+// Copyright (c) 2020 OPEN CASCADE SAS
+//
+// 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 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.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#include <Prs3d_ToolTorus.hxx>
+
+//=======================================================================
+//function : init
+//purpose  :
+//=======================================================================
+void Prs3d_ToolTorus::init (const Standard_Real    theMajorRad,
+                            const Standard_Real    theMinorRad,
+                            const Standard_Real    theAngle1,
+                            const Standard_Real    theAngle2,
+                            const Standard_Real    theAngle,
+                            const Standard_Integer theNbSlices,
+                            const Standard_Integer theNbStacks)
+{
+  myMajorRadius = theMajorRad;
+  myMinorRadius = theMinorRad;
+  myVMin = theAngle1;
+  myVMax = theAngle2;
+  myAngle = theAngle;
+  mySlicesNb = theNbSlices;
+  myStacksNb = theNbStacks;
+}
+
+//=======================================================================
+//function : Vertex
+//purpose  :
+//=======================================================================
+gp_Pnt Prs3d_ToolTorus::Vertex (const Standard_Real theU, const Standard_Real theV) const
+{
+  const Standard_Real aU = theU * myAngle;
+  const Standard_Real aV = myVMin + theV * (myVMax - myVMin);
+  return gp_Pnt ((myMajorRadius + myMinorRadius * Cos (aV)) * Cos (aU),
+                 (myMajorRadius + myMinorRadius * Cos (aV)) * Sin (aU),
+                 myMinorRadius * Sin (aV));
+}
+
+//=======================================================================
+//function : Normal
+//purpose  :
+//=======================================================================
+gp_Dir Prs3d_ToolTorus::Normal (const Standard_Real theU, const Standard_Real theV) const
+{
+  const Standard_Real aU = theU * myAngle;
+  const Standard_Real aV = myVMin + theV * (myVMax - myVMin);
+  return gp_Dir (Cos (aU) * Cos (aV),
+                 Sin (aU) * Cos (aV),
+                 Sin (aV));
+}
+
+//=======================================================================
+//function : Create
+//purpose  :
+//=======================================================================
+Handle(Graphic3d_ArrayOfTriangles) Prs3d_ToolTorus::Create (const Standard_Real    theMajorRad,
+                                                            const Standard_Real    theMinorRad,
+                                                            const Standard_Real    theAngle1,
+                                                            const Standard_Real    theAngle2,
+                                                            const Standard_Real    theAngle,
+                                                            const Standard_Integer theNbSlices,
+                                                            const Standard_Integer theNbStacks,
+                                                            const gp_Trsf&         theTrsf)
+{
+  Handle(Graphic3d_ArrayOfTriangles) anArray;
+  Prs3d_ToolTorus aTool (theMajorRad, theMinorRad, theAngle1, theAngle2, theAngle, theNbSlices, theNbStacks);
+  aTool.FillArray (anArray, theTrsf);
+  return anArray;
+}

diff --git a/src/Prs3d/Prs3d_ToolTorus.hxx b/src/Prs3d/Prs3d_ToolTorus.hxx
new file mode 100644 (file)
index 0000000..b488b3c
--- /dev/null
+++ b/src/Prs3d/Prs3d_ToolTorus.hxx
@@ -0,0 +1,201 @@
+// Created on: 2020-09-17
+// Created by: Marina ZERNOVA
+// Copyright (c) 2020 OPEN CASCADE SAS
+//
+// 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 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.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#ifndef _Prs3d_ToolTorus_HeaderFile
+#define _Prs3d_ToolTorus_HeaderFile
+
+#include <Prs3d_ToolQuadric.hxx>
+
+//! Standard presentation algorithm that outputs graphical primitives for torus surface.
+class Prs3d_ToolTorus : public Prs3d_ToolQuadric
+{
+public:
+
+  //! Generate primitives for 3D quadric surface (complete torus).
+  //! @param theMajorRad [in] distance from the center of the pipe to the center of the torus
+  //! @param theMinorRad [in] radius of the pipe
+  //! @param theNbSlices [in] number of slices within U parameter
+  //! @param theNbStacks [in] number of stacks within V parameter
+  //! @param theTrsf     [in] optional transformation to apply
+  //! @return generated triangulation
+  static Handle(Graphic3d_ArrayOfTriangles) Create (const Standard_Real    theMajorRad,
+                                                    const Standard_Real    theMinorRad,
+                                                    const Standard_Integer theNbSlices,
+                                                    const Standard_Integer theNbStacks,
+                                                    const gp_Trsf&         theTrsf)
+  {
+    return Create (theMajorRad, theMinorRad, 0.0, M_PI * 2.0, M_PI * 2.0, theNbSlices, theNbStacks, theTrsf);
+  }
+
+  //! Generate primitives for 3D quadric surface (torus segment).
+  //! @param theMajorRad [in] distance from the center of the pipe to the center of the torus
+  //! @param theMinorRad [in] radius of the pipe
+  //! @param theAngle    [in] angle to create a torus pipe segment
+  //! @param theNbSlices [in] number of slices within U parameter
+  //! @param theNbStacks [in] number of stacks within V parameter
+  //! @param theTrsf     [in] optional transformation to apply
+  //! @return generated triangulation
+  static Handle(Graphic3d_ArrayOfTriangles) Create (const Standard_Real    theMajorRad,
+                                                    const Standard_Real    theMinorRad,
+                                                    const Standard_Real    theAngle,
+                                                    const Standard_Integer theNbSlices,
+                                                    const Standard_Integer theNbStacks,
+                                                    const gp_Trsf&         theTrsf)
+  {
+    return Create (theMajorRad, theMinorRad, 0.0, M_PI * 2.0, theAngle, theNbSlices, theNbStacks, theTrsf);
+  }
+
+  //! Generate primitives for 3D quadric surface (torus ring segment).
+  //! @param theMajorRad [in] distance from the center of the pipe to the center of the torus
+  //! @param theMinorRad [in] radius of the pipe
+  //! @param theAngle1   [in] first  angle to create a torus ring segment
+  //! @param theAngle2   [in] second angle to create a torus ring segment
+  //! @param theNbSlices [in] number of slices within U parameter
+  //! @param theNbStacks [in] number of stacks within V parameter
+  //! @param theTrsf     [in] optional transformation to apply
+  //! @return generated triangulation
+  static Handle(Graphic3d_ArrayOfTriangles) Create (const Standard_Real    theMajorRad,
+                                                    const Standard_Real    theMinorRad,
+                                                    const Standard_Real    theAngle1,
+                                                    const Standard_Real    theAngle2,
+                                                    const Standard_Integer theNbSlices,
+                                                    const Standard_Integer theNbStacks,
+                                                    const gp_Trsf&         theTrsf)
+  {
+    return Create (theMajorRad, theMinorRad, theAngle1, theAngle2, M_PI * 2.0, theNbSlices, theNbStacks, theTrsf);
+  }
+
+  //! Generate primitives for 3D quadric surface (segment of the torus ring segment).
+  //! @param theMajorRad [in] distance from the center of the pipe to the center of the torus
+  //! @param theMinorRad [in] radius of the pipe
+  //! @param theAngle1   [in] first  angle to create a torus ring segment
+  //! @param theAngle2   [in] second angle to create a torus ring segment
+  //! @param theAngle    [in] angle to create a torus pipe segment
+  //! @param theNbSlices [in] number of slices within U parameter
+  //! @param theNbStacks [in] number of stacks within V parameter
+  //! @param theTrsf     [in] optional transformation to apply
+  //! @return generated triangulation
+  Standard_EXPORT static Handle(Graphic3d_ArrayOfTriangles) Create (const Standard_Real    theMajorRad,
+                                                                    const Standard_Real    theMinorRad,
+                                                                    const Standard_Real    theAngle1,
+                                                                    const Standard_Real    theAngle2,
+                                                                    const Standard_Real    theAngle,
+                                                                    const Standard_Integer theNbSlices,
+                                                                    const Standard_Integer theNbStacks,
+                                                                    const gp_Trsf&         theTrsf);
+
+public:
+
+  //! Initializes the algorithm creating a complete torus.
+  //! @param theMajorRad [in] distance from the center of the pipe to the center of the torus
+  //! @param theMinorRad [in] radius of the pipe
+  //! @param theNbSlices [in] number of slices within U parameter
+  //! @param theNbStacks [in] number of stacks within V parameter
+  Prs3d_ToolTorus (const Standard_Real    theMajorRad,
+                   const Standard_Real    theMinorRad,
+                   const Standard_Integer theNbSlices,
+                   const Standard_Integer theNbStacks)
+  {
+    init (theMajorRad, theMinorRad, 0.0, M_PI * 2.0, M_PI * 2.0, theNbSlices, theNbStacks);
+  }
+
+  //! Initializes the algorithm creating a torus pipe segment.
+  //! @param theMajorRad [in] distance from the center of the pipe to the center of the torus
+  //! @param theMinorRad [in] radius of the pipe
+  //! @param theAngle    [in] angle to create a torus pipe segment
+  //! @param theNbSlices [in] number of slices within U parameter
+  //! @param theNbStacks [in] number of stacks within V parameter
+  Prs3d_ToolTorus (const Standard_Real    theMajorRad,
+                   const Standard_Real    theMinorRad,
+                   const Standard_Real    theAngle,
+                   const Standard_Integer theNbSlices,
+                   const Standard_Integer theNbStacks)
+  {
+    init (theMajorRad, theMinorRad, 0.0, M_PI * 2.0, theAngle, theNbSlices, theNbStacks);
+  }
+
+  //! Initializes the algorithm creating a torus ring segment.
+  //! @param theMajorRad [in] distance from the center of the pipe to the center of the torus
+  //! @param theMinorRad [in] radius of the pipe
+  //! @param theAngle1   [in] first  angle to create a torus ring segment
+  //! @param theAngle2   [in] second angle to create a torus ring segment
+  //! @param theNbSlices [in] number of slices within U parameter
+  //! @param theNbStacks [in] number of stacks within V parameter
+  Prs3d_ToolTorus (const Standard_Real    theMajorRad,
+                   const Standard_Real    theMinorRad,
+                   const Standard_Real    theAngle1,
+                   const Standard_Real    theAngle2,
+                   const Standard_Integer theNbSlices,
+                   const Standard_Integer theNbStacks)
+  {
+    init (theMajorRad, theMinorRad, theAngle1, theAngle2, M_PI * 2.0, theNbSlices, theNbStacks);
+  }
+
+  //! Initializes the algorithm creating a torus ring segment.
+  //! @param theMajorRad [in] distance from the center of the pipe to the center of the torus
+  //! @param theMinorRad [in] radius of the pipe
+  //! @param theAngle1   [in] first  angle to create a torus ring segment
+  //! @param theAngle2   [in] second angle to create a torus ring segment
+  //! @param theAngle    [in] angle to create a torus pipe segment
+  //! @param theNbSlices [in] number of slices within U parameter
+  //! @param theNbStacks [in] number of stacks within V parameter
+  Prs3d_ToolTorus (const Standard_Real    theMajorRad,
+                   const Standard_Real    theMinorRad,
+                   const Standard_Real    theAngle1,
+                   const Standard_Real    theAngle2,
+                   const Standard_Real    theAngle,
+                   const Standard_Integer theNbSlices,
+                   const Standard_Integer theNbStacks)
+  {
+    init (theMajorRad, theMinorRad, theAngle1, theAngle2, theAngle, theNbSlices, theNbStacks);
+  }
+
+private:
+
+  //! Initialisation
+  //! @param theMajorRad [in] distance from the center of the pipe to the center of the torus
+  //! @param theMinorRad [in] radius of the pipe
+  //! @param theAngle1   [in] first  angle to create a torus ring segment
+  //! @param theAngle2   [in] second angle to create a torus ring segment
+  //! @param theAngle    [in] angle to create a torus pipe segment
+  //! @param theNbSlices [in] number of slices within U parameter
+  //! @param theNbStacks [in] number of stacks within V parameter
+  Standard_EXPORT void init (const Standard_Real    theMajorRad,
+                             const Standard_Real    theMinorRad,
+                             const Standard_Real    theAngle1,
+                             const Standard_Real    theAngle2,
+                             const Standard_Real    theAngle,
+                             const Standard_Integer theNbSlices,
+                             const Standard_Integer theNbStacks);
+
+protected:
+
+  //! Computes vertex at given parameter location of the surface.
+  Standard_EXPORT virtual gp_Pnt Vertex (const Standard_Real theU, const Standard_Real theV) const Standard_OVERRIDE;
+
+  //! Computes normal at given parameter location of the surface.
+  Standard_EXPORT virtual gp_Dir Normal (const Standard_Real theU, const Standard_Real theV) const Standard_OVERRIDE;
+
+protected:
+
+  Standard_Real myMajorRadius; //!< distance from the center of the pipe to the center of the torus
+  Standard_Real myMinorRadius; //!< radius of the pipe
+  Standard_Real myAngle;       //!< angle to create a torus pipe segment
+  Standard_Real myVMin;        //!< first angle to create a torus ring segment
+  Standard_Real myVMax;        //!< second angle to create a torus ring segment
+
+};
+
+#endif // _Prs3d_ToolTorus_HeaderFile