// Copyright (c) 2020 OPEN CASCADE SAS
//
// This file is part of the examples of the Open CASCADE Technology software library.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE
#include "TopologySamples.h"
#include "AdaptorVec_AIS.h"
#include <gp_Circ.hxx>
#include <gp_Circ2d.hxx>
#include <gp_Cylinder.hxx>
#include <gp_Lin.hxx>
#include <gp_Pln.hxx>
#include <gp_Sphere.hxx>
#include <gp_Torus.hxx>
#include <Geom_Axis1Placement.hxx>
#include <Geom_Axis2Placement.hxx>
#include <Geom_BSplineCurve.hxx>
#include <Geom2d_BSplineCurve.hxx>
#include <Geom_BSplineSurface.hxx>
#include <Geom_CartesianPoint.hxx>
#include <Geom_CylindricalSurface.hxx>
#include <Geom_Line.hxx>
#include <Geom_Plane.hxx>
#include <Geom_ToroidalSurface.hxx>
#include <GeomAPI_PointsToBSpline.hxx>
#include <Geom2dAPI_PointsToBSpline.hxx>
#include <GeomAPI_PointsToBSplineSurface.hxx>
#include <TopoDS.hxx>
#include <TopoDS_Iterator.hxx>
#include <TopoDS_Compound.hxx>
#include <TopoDS_Edge.hxx>
#include <TopoDS_Face.hxx>
#include <TopoDS_Shell.hxx>
#include <TopoDS_Solid.hxx>
#include <TopoDS_Vertex.hxx>
#include <TopoDS_Wire.hxx>
#include <TopExp.hxx>
#include <TopExp_Explorer.hxx>
#include <TColgp_Array2OfPnt.hxx>
#include <BRep_Builder.hxx>
#include <BRepGProp.hxx>
#include <BRep_Tool.hxx>
#include <BRepTools.hxx>
#include <BRepTools_ReShape.hxx>
#include <BRepAdaptor_Curve.hxx>
#include <BRepAdaptor_CompCurve.hxx>
#include <BRepAdaptor_Surface.hxx>
#include <BRepAlgoAPI_Common.hxx>
#include <BRepAlgoAPI_Cut.hxx>
#include <BRepAlgoAPI_Fuse.hxx>
#include <BRepAlgoAPI_Section.hxx>
#include <BRepAlgoAPI_Splitter.hxx>
#include <BRepAlgoAPI_Defeaturing.hxx>
#include <BRepBuilderAPI_Copy.hxx>
#include <BRepBuilderAPI_MakeVertex.hxx>
#include <BRepBuilderAPI_MakeEdge.hxx>
#include <BRepBuilderAPI_MakeEdge2d.hxx>
#include <BRepBuilderAPI_MakeFace.hxx>
#include <BRepBuilderAPI_MakePolygon.hxx>
#include <BRepBuilderAPI_MakeShell.hxx>
#include <BRepBuilderAPI_MakeSolid.hxx>
#include <BRepBuilderAPI_MakeWire.hxx>
#include <BRepBuilderAPI_NurbsConvert.hxx>
#include <BRepBuilderAPI_Sewing.hxx>
#include <BRepBuilderAPI_Transform.hxx>
#include <BRepCheck_Analyzer.hxx>
#include <BRepPrimAPI_MakeBox.hxx>
#include <BRepPrimAPI_MakeCylinder.hxx>
#include <BRepPrimAPI_MakeRevol.hxx>
#include <BRepFilletAPI_MakeChamfer.hxx>
#include <BRepFilletAPI_MakeFillet.hxx>
#include <BRepOffsetAPI_MakeOffset.hxx>
#include <BRepOffsetAPI_MakeEvolved.hxx>
#include <Extrema_ExtCS.hxx>
#include <GCPnts_QuasiUniformDeflection.hxx>
#include <GProp_GProps.hxx>
#include <GProp_PrincipalProps.hxx>
#include <AIS_Axis.hxx>
#include <AIS_ColoredShape.hxx>
#include <AIS_Plane.hxx>
#include <AIS_Point.hxx>
#include <AIS_TextLabel.hxx>
void TopologySamples::ExecuteSample (const TCollection_AsciiString& theSampleName)
{
Standard_Boolean anIsSamplePresent = Standard_True;
FindSourceCode(theSampleName);
if (theSampleName == "Vertex3dSample")
Vertex3dSample();
else if (theSampleName == "Edge3dSample")
Edge3dSample();
else if (theSampleName == "Face3dSample")
Face3dSample();
else if (theSampleName == "Wire3dSample")
Wire3dSample();
else if (theSampleName == "Shell3dSample")
Shell3dSample();
else if (theSampleName == "Solid3dSample")
Solid3dSample();
else if (theSampleName == "Edge2dSample")
Edge2dSample();
else if (theSampleName == "Box3dSample")
Box3dSample();
else if (theSampleName == "Cylinder3dSample")
Cylinder3dSample();
else if (theSampleName == "Revolution3dSample")
Revolution3dSample();
else if (theSampleName == "TopologyIterator3dSample")
TopologyIterator3dSample();
else if (theSampleName == "TopologyExplorer3dSample")
TopologyExplorer3dSample();
else if (theSampleName == "AssessToCurve3dSample")
AssessToCurve3dSample();
else if (theSampleName == "AssessToCompositeCurve3dSample")
AssessToCompositeCurve3dSample();
else if (theSampleName == "AssessToSurface3dSample")
AssessToSurface3dSample();
else if (theSampleName == "Common3dSample")
Common3dSample();
else if (theSampleName == "Cut3dSample")
Cut3dSample();
else if (theSampleName == "Cut3dSample")
Cut3dSample();
else if (theSampleName == "Fuse3dSample")
Fuse3dSample();
else if (theSampleName == "Section3dSample")
Section3dSample();
else if (theSampleName == "Splitter3dSample")
Splitter3dSample();
else if (theSampleName == "Defeaturing3dSample")
Defeaturing3dSample();
else if (theSampleName == "Fillet3dSample")
Fillet3dSample();
else if (theSampleName == "Chamfer3dSample")
Chamfer3dSample();
else if (theSampleName == "Offset3dSample")
Offset3dSample();
else if (theSampleName == "Evolved3dSample")
Evolved3dSample();
else if (theSampleName == "Copy3dSample")
Copy3dSample();
else if (theSampleName == "Transform3dSample")
Transform3dSample();
else if (theSampleName == "ConvertToNurbs3dSample")
ConvertToNurbs3dSample();
else if (theSampleName == "SewContiguousFaces3dSample")
SewContiguousFaces3dSample();
else if (theSampleName == "CheckValidity3dSample")
CheckValidity3dSample();
else if (theSampleName == "ComputeLinearProperties3dSample")
ComputeLinearProperties3dSample();
else if (theSampleName == "ComputeSurfaceProperties3dSample")
ComputeSurfaceProperties3dSample();
else if (theSampleName == "ComputeVolumeProperties3dSample")
ComputeVolumeProperties3dSample();
else
{
myResult << "No function found: " << theSampleName;
myCode += TCollection_AsciiString("No function found: ") + theSampleName;
anIsSamplePresent = Standard_False;
}
myIsProcessed = anIsSamplePresent;
}
void TopologySamples::Vertex3dSample()
{
// Make a vertex from a 3D point.
gp_Pnt aPnt(0.0, 0.0, 10.0);
TopoDS_Vertex aVertex = BRepBuilderAPI_MakeVertex(aPnt);
myResult << "TopoDS_Vertex was created at [ "
<< aPnt.X() << ", " << aPnt.Y() << ", " << aPnt.Z()
<< " ]" << std::endl;
Handle(AIS_Shape) aAisVertex = new AIS_Shape(aVertex);
Handle(AIS_TextLabel) anAisLabel = new AIS_TextLabel();
Standard_SStream aSS;
aSS << "TopoDS_Vertex [" << aPnt.X() << ", " << aPnt.Y() << ", " << aPnt.Z() << "]" << std::endl;
anAisLabel->SetText(aSS.str().c_str());
anAisLabel->SetPosition(aPnt);
myObject3d.Append(aAisVertex);
myObject3d.Append(anAisLabel);
}
void TopologySamples::Edge3dSample()
{
// Make an edge from two 3D points.
gp_Pnt aPnt1(0.0, 10.0, 0.0);
gp_Pnt aPnt2(10.0, 10.0, 0.0);
TopoDS_Edge anEdgeP12 = BRepBuilderAPI_MakeEdge(aPnt1, aPnt2);
myResult << "TopoDS_Edge between [ "
<< aPnt1.X() << ", " << aPnt1.Y() << ", " << aPnt1.Z()
<< " ] and [ "
<< aPnt2.X() << ", " << aPnt2.Y() << ", " << aPnt2.Z()
<< " ] was created in yellow" << std::endl
<< std::endl;
// Make an edge from a circular segment.
// Create a circle in XY plane of the radius 5.0.
gp_Circ aCirc(gp::XOY(), 5.0);
// Make a circular edge from the 1st quoter in the parametric space.
TopoDS_Edge anEdgeCirc = BRepBuilderAPI_MakeEdge(aCirc, 0.0, M_PI_2);
myResult << "TopoDS_Edge on the circle's 1st quoter" << std::endl
<< "with the center at [ "
<< aCirc.Location().X() << ", " << aCirc.Location().Y() << ", " << aCirc.Location().Z()
<< " ] and R = " << aCirc.Radius() << " was created in red" << std::endl
<< std::endl;
// Make an edge from a 3D curve (BSpline).
// Define points.
gp_Pnt aPole1(0.0, 0.0, 10.0);
gp_Pnt aPole2(5.0, 5.0, 5.0);
gp_Pnt aPole3(10.0, 10.0, 15.0);
gp_Pnt aPole4(15.0, 5.0, 20.0);
// Add points to the curve poles array.
TColgp_Array1OfPnt aPoles(1, 4);
aPoles.SetValue(1, aPole1);
aPoles.SetValue(2, aPole2);
aPoles.SetValue(3, aPole3);
aPoles.SetValue(4, aPole4);
// Make a BSpline curve from the points array
Handle(Geom_BSplineCurve) aBSplineCurve = GeomAPI_PointsToBSpline(aPoles).Curve();
// Make an edge between two point on the BSpline curve.
gp_Pnt aPntOnCurve1, aPntOnCurve2;
aBSplineCurve->D0 (0.75 * aBSplineCurve->FirstParameter()
+ 0.25 * aBSplineCurve->LastParameter(),
aPntOnCurve1);
aBSplineCurve->D0 (0.25 * aBSplineCurve->FirstParameter()
+ 0.75 * aBSplineCurve->LastParameter(),
aPntOnCurve2);
TopoDS_Edge anEdgeBSpline = BRepBuilderAPI_MakeEdge(aBSplineCurve, aPntOnCurve1, aPntOnCurve2);
myResult << "TopoDS_Edge on the BSpline curve" << std::endl
<< "between [ "
<< aPntOnCurve1.X() << ", " << aPntOnCurve1.Y() << ", " << aPntOnCurve1.Z()
<< " ] and [ "
<< aPntOnCurve2.X() << ", " << aPntOnCurve2.Y() << ", " << aPntOnCurve2.Z()
<< " ]" << std::endl
<< "was created in green" << std::endl;
Handle(AIS_ColoredShape) anAisEdgeP12 = new AIS_ColoredShape(anEdgeP12);
Handle(AIS_ColoredShape) anAisEdgeCirc = new AIS_ColoredShape(anEdgeCirc);
Handle(AIS_ColoredShape) anAisEdgeBSpline = new AIS_ColoredShape(anEdgeBSpline);
anAisEdgeP12->SetColor(Quantity_Color(Quantity_NOC_YELLOW));
anAisEdgeCirc->SetColor(Quantity_Color(Quantity_NOC_RED));
anAisEdgeBSpline->SetColor(Quantity_Color(Quantity_NOC_GREEN));
myObject3d.Append(anAisEdgeP12);
myObject3d.Append(anAisEdgeCirc);
myObject3d.Append(anAisEdgeBSpline);
Handle(AIS_TextLabel) anAisEdgeP12Label = new AIS_TextLabel();
anAisEdgeP12Label->SetText("Edge between two points");
anAisEdgeP12Label->SetPosition(0.5 * (aPnt1.XYZ() + aPnt2.XYZ()));
anAisEdgeP12Label->SetColor(Quantity_Color(Quantity_NOC_YELLOW));
myObject3d.Append(anAisEdgeP12Label);
Handle(AIS_TextLabel) anAisEdgeCircLabel = new AIS_TextLabel();
anAisEdgeCircLabel->SetText("Circular edge");
anAisEdgeCircLabel->SetPosition(aCirc.Location());
anAisEdgeCircLabel->SetColor(Quantity_Color(Quantity_NOC_RED));
myObject3d.Append(anAisEdgeCircLabel);
Handle(AIS_TextLabel) anAisEdgeBSplineLabel = new AIS_TextLabel();
anAisEdgeBSplineLabel->SetText("BSpline edge");
anAisEdgeBSplineLabel->SetPosition(aPole3);
anAisEdgeBSplineLabel->SetColor(Quantity_Color(Quantity_NOC_GREEN));
myObject3d.Append(anAisEdgeBSplineLabel);
TopoDS_Vertex anEdgeP12_V1, anEdgeP12_V2;
TopExp::Vertices(anEdgeP12, anEdgeP12_V1, anEdgeP12_V2);
myObject3d.Append(new AIS_Shape(anEdgeP12_V1));
myObject3d.Append(new AIS_Shape(anEdgeP12_V2));
TopoDS_Vertex anEdgeCirc_V1, anEdgeCirc_V2;
TopExp::Vertices(anEdgeCirc, anEdgeCirc_V1, anEdgeCirc_V2);
myObject3d.Append(new AIS_Shape(anEdgeCirc_V1));
myObject3d.Append(new AIS_Shape(anEdgeCirc_V2));
TopoDS_Vertex anEdgeBSpline_V1, anEdgeBSpline_V2;
TopExp::Vertices(anEdgeBSpline, anEdgeBSpline_V1, anEdgeBSpline_V2);
myObject3d.Append(new AIS_Shape(anEdgeBSpline_V1));
myObject3d.Append(new AIS_Shape(anEdgeBSpline_V2));
}
void TopologySamples::Face3dSample()
{
// Make a face from a sphere with the center
// at [0.0, 0.0, 10.0] and R = 5.
gp_Sphere aSphere(gp_Ax3(gp_Pnt(0.0, 0.0, 10.0), gp::DZ()), 5.0);
TopoDS_Face aFaceSphere = BRepBuilderAPI_MakeFace(aSphere);
myResult << "TopoDS_Face on the sphere with" << std::endl
<< "the center at [ "
<< aSphere.Location().X() << ", " << aSphere.Location().Y() << ", " << aSphere.Location().Z()
<< " ] and R = " << aSphere.Radius() << " was created in yellow" << std::endl
<< std::endl;
// Make a flat rectangular face on XY plane.
gp_Pln aPln(gp::XOY());
TopoDS_Face aFaceRect = BRepBuilderAPI_MakeFace(aPln, -10.0, +10.0, -20.0, +20.0);
myResult << "TopoDS_Face on the rectangle was created in red" << std::endl
<< std::endl;
// Make a face from a BSpline surface.
// Define a 4x4 grid of points for BSpline surface.
TColgp_Array2OfPnt aPoints(1, 4, 1, 4);
for (Standard_Integer i = 1; i <= 4; ++i)
{
gp_Pnt aPnt;
aPnt.SetX(5.0 * i);
for (Standard_Integer j = 1; j <= 4; ++j)
{
aPnt.SetY(5.0 * j);
if (1 < i && i < 4 && 1 < j && j < 4)
{
aPnt.SetZ(15.0);
}
else
{
aPnt.SetZ(10.0);
}
aPoints.SetValue(i, j, aPnt);
}
}
// Make a BSpline surface from the points array.
Handle(Geom_BSplineSurface) aBSplineSurf = GeomAPI_PointsToBSplineSurface(aPoints).Surface();
Standard_Real aU1, aU2, aV1, aV2;
aBSplineSurf->Bounds(aU1, aU2, aV1, aV2);
TopoDS_Face aFaceBSpline = BRepBuilderAPI_MakeFace(aBSplineSurf, aU1, aU2, aV1, aV2, Precision::Confusion());
myResult << "TopoDS_Face on the BSpline surface was created in green" << std::endl << std::endl;
Handle(AIS_ColoredShape) anAisFaceSphere = new AIS_ColoredShape(aFaceSphere);
Handle(AIS_ColoredShape) anAisFaceRect = new AIS_ColoredShape(aFaceRect);
Handle(AIS_ColoredShape) anAisFaceBSpline = new AIS_ColoredShape(aFaceBSpline);
anAisFaceSphere->SetColor(Quantity_Color(Quantity_NOC_YELLOW));
anAisFaceRect->SetColor(Quantity_Color(Quantity_NOC_RED));
anAisFaceBSpline->SetColor(Quantity_Color(Quantity_NOC_GREEN));
myObject3d.Append(anAisFaceSphere);
myObject3d.Append(anAisFaceRect);
myObject3d.Append(anAisFaceBSpline);
Handle(AIS_TextLabel) anAisFaceSphereLabel = new AIS_TextLabel();
anAisFaceSphereLabel->SetText("Spherical face");
anAisFaceSphereLabel->SetPosition(aSphere.Location().XYZ() + aSphere.Radius() * gp::DZ().XYZ());
anAisFaceSphereLabel->SetColor(Quantity_Color(Quantity_NOC_YELLOW));
myObject3d.Append(anAisFaceSphereLabel);
Handle(AIS_TextLabel) anAisFaceRectLabel = new AIS_TextLabel();
anAisFaceRectLabel->SetText("Flat rectangular face");
anAisFaceRectLabel->SetPosition(aPln.Location().XYZ() + 2.5 * gp::DZ().XYZ());
anAisFaceRectLabel->SetColor(Quantity_Color(Quantity_NOC_RED));
myObject3d.Append(anAisFaceRectLabel);
Handle(AIS_TextLabel) anAisFaceBSplineLabel = new AIS_TextLabel();
anAisFaceBSplineLabel->SetText("BSpline face");
anAisFaceBSplineLabel->SetPosition(aPoints(4, 4));
anAisFaceBSplineLabel->SetColor(Quantity_Color(Quantity_NOC_GREEN));
myObject3d.Append(anAisFaceBSplineLabel);
}
void TopologySamples::Wire3dSample()
{
// Make a wire from edges created on a set of points.
// Add points to the curve poles array.
TColgp_Array1OfPnt aPoints(1, 4);
aPoints.SetValue(1, gp_Pnt(0.0, 0.0, 0.0));
aPoints.SetValue(2, gp_Pnt(20.0, 0.0, 0.0));
aPoints.SetValue(3, gp_Pnt(20.0, 10.0, 0.0));
aPoints.SetValue(4, gp_Pnt(0.0, 10.0, 0.0));
// A wire maker contains an empty wire.
BRepBuilderAPI_MakeWire aMakeWire;
for (Standard_Integer i = 1; i <= 4; ++i)
{
Standard_Integer i1 = i;
Standard_Integer i2 = i1 < 4 ? i1 + 1 : 1;
const gp_Pnt& aPnt1 = aPoints.Value(i1);
const gp_Pnt& aPnt2 = aPoints.Value(i2);
TopoDS_Edge anEdge = BRepBuilderAPI_MakeEdge(aPnt1, aPnt2);
// Add an edge to the wire under construction.
// The edge must be connectible to the wire under construction, and,
// unless it is the first edge of the wire, must satisfy the following
// condition: one of its vertices must be geometrically coincident
// with one of the vertices of the wire (provided that the highest
// tolerance factor is assigned to the two vertices).
// It could also be the same vertex.
// Warning
// If the edge is not connectible to the wire under construction it is not added.
// The function IsDone will return false and the function
// Wire will raise an error, until a new connectible edge is added.
aMakeWire.Add(anEdge);
Standard_ASSERT_VOID(aMakeWire.IsDone(), "Added edge isn't connectible!");
}
// Retrieve a constructed wire.
TopoDS_Wire aWire = aMakeWire.Wire();
myResult << "TopoDS_Wire was created. Vertices :" << std::endl;
// Retrieve wire vertices. 4 vertices are expected, because of
// edges connecting during wire constructing.
TopTools_IndexedMapOfShape aVertices;
TopExp::MapShapes(aWire, TopAbs_VERTEX, aVertices);
for (TopTools_IndexedMapOfShape::Iterator anIt(aVertices); anIt.More(); anIt.Next())
{
TopoDS_Vertex aVertex = TopoDS::Vertex(anIt.Value());
gp_Pnt aPnt = BRep_Tool::Pnt(aVertex);
myResult << "[ " << aPnt.X() << ", " << aPnt.Y() << ", " << aPnt.Z() << " ]" << std::endl;
Handle(AIS_Shape) anAisVertex = new AIS_Shape(aVertex);
myObject3d.Append(anAisVertex);
}
Handle(AIS_Shape) anAisWire = new AIS_Shape(aWire);
myObject3d.Append(anAisWire);
}
void TopologySamples::Shell3dSample()
{
// Make a shell from a cylinder with R = 5 and directed along Z axis
gp_Cylinder aCyl(gp::XOY(), 5.0);
Handle(Geom_Surface) aCylSurf = new Geom_CylindricalSurface(aCyl);
TopoDS_Shell aCylShell = BRepBuilderAPI_MakeShell(aCylSurf, 0.0, 2.0 * M_PI, -10.0, +10.0);
myResult << "TopoDS_Shell on the cylinder R = " << aCyl.Radius() << std::endl
<< "with axis [ "
<< aCyl.Position().Direction().X() << ", "
<< aCyl.Position().Direction().Y() << ", "
<< aCyl.Position().Direction().Z() << " ]" << std::endl
<< "limited in length [-10 ... +10] was created" << std::endl;
Handle(AIS_Shape) anAisShell = new AIS_Shape(aCylShell);
myObject3d.Append(anAisShell);
}
void TopologySamples::Solid3dSample()
{
// Make a torus from a shell.
gp_Torus aTorus(gp::XOY(), 20.0, 7.5);
Handle(Geom_Surface) aTorusSurf = new Geom_ToroidalSurface(aTorus);
TopoDS_Shell aTorusShell = BRepBuilderAPI_MakeShell(aTorusSurf, 0.0, 2.0 * M_PI, 0.0, 2.0 * M_PI);
// Make a solid on the torus shell.
TopoDS_Solid aTorusSolid = BRepBuilderAPI_MakeSolid(aTorusShell);
myResult << "TopoDS_Solid on the torus with" << std::endl
<< "R major = " << aTorus.MajorRadius() << std::endl
<< "R minor = " << aTorus.MinorRadius() << std::endl
<< "was created" << std::endl;
Handle(AIS_Shape) anAisSolid = new AIS_Shape(aTorusSolid);
myObject3d.Append(anAisSolid);
}
void TopologySamples::Edge2dSample()
{
// Make an edge from two 2D points.
gp_Pnt2d aPnt1(0.0, 10.0);
gp_Pnt2d aPnt2(10.0, 10.0);
TopoDS_Edge anEdgeP12 = BRepBuilderAPI_MakeEdge2d(aPnt1, aPnt2);
myResult << "TopoDS_Edge between [ "
<< aPnt1.X() << ", " << aPnt1.Y() << " ] and [ "
<< aPnt2.X() << ", " << aPnt2.Y() << " ] was created in yellow" << std::endl
<< std::endl;
// Make an edge from a circular segment.
// Create a circle of the radius 5.0.
gp_Circ2d aCirc(gp::OX2d(), 5.0);
// Make a circular edge from the 1st quoter in the parametric space.
TopoDS_Edge anEdgeCirc = BRepBuilderAPI_MakeEdge2d(aCirc, 0.0, M_PI_2);
myResult << "TopoDS_Edge on the 2D circle's 1st quoter" << std::endl
<< "with the center at [ " << aCirc.Location().X() << ", " << aCirc.Location().Y()
<< " ] and R = " << aCirc.Radius() << " was created in red" << std::endl
<< std::endl;
// Make an edge from a 2D curve (BSpline).
// Define points.
gp_Pnt2d aPole1(0.0, 0.0);
gp_Pnt2d aPole2(5.0, 5.0);
gp_Pnt2d aPole3(10.0, 10.0);
gp_Pnt2d aPole4(15.0, 5.0);
// Add points to the curve poles array.
TColgp_Array1OfPnt2d aPoles(1, 4);
aPoles.SetValue(1, aPole1);
aPoles.SetValue(2, aPole2);
aPoles.SetValue(3, aPole3);
aPoles.SetValue(4, aPole4);
// Make a BSpline curve from the points array
Handle(Geom2d_BSplineCurve) aBSplineCurve = Geom2dAPI_PointsToBSpline(aPoles).Curve();
// Make an edge between two point on the BSpline curve.
gp_Pnt2d aPntOnCurve1, aPntOnCurve2;
aBSplineCurve->D0 (0.75 * aBSplineCurve->FirstParameter()
+ 0.25 * aBSplineCurve->LastParameter(),
aPntOnCurve1);
aBSplineCurve->D0 (0.25 * aBSplineCurve->FirstParameter()
+ 0.75 * aBSplineCurve->LastParameter(),
aPntOnCurve2);
TopoDS_Edge anEdgeBSpline = BRepBuilderAPI_MakeEdge2d(aBSplineCurve, aPntOnCurve1, aPntOnCurve2);
myResult << "TopoDS_Edge on the 2D BSpline curve" << std::endl
<< "between [ " << aPntOnCurve1.X() << ", " << aPntOnCurve1.Y()
<< " ] and [ " << aPntOnCurve2.X() << ", " << aPntOnCurve2.Y() << " ]" << std::endl
<< "was created in green" << std::endl;
Handle(AIS_ColoredShape) anAisEdgeP12 = new AIS_ColoredShape(anEdgeP12);
Handle(AIS_ColoredShape) anAisEdgeCirc = new AIS_ColoredShape(anEdgeCirc);
Handle(AIS_ColoredShape) anAisEdgeBSpline = new AIS_ColoredShape(anEdgeBSpline);
anAisEdgeP12->SetColor(Quantity_Color(Quantity_NOC_YELLOW));
anAisEdgeCirc->SetColor(Quantity_Color(Quantity_NOC_RED));
anAisEdgeBSpline->SetColor(Quantity_Color(Quantity_NOC_GREEN));
myObject2d.Append(anAisEdgeP12);
myObject2d.Append(anAisEdgeCirc);
myObject2d.Append(anAisEdgeBSpline);
Handle(AIS_TextLabel) anAisEdgeP12Label = new AIS_TextLabel();
anAisEdgeP12Label->SetText("Edge between two 2d points");
anAisEdgeP12Label->SetPosition(0.5 * (gp_XYZ(aPnt1.X(), aPnt1.Y() + 0.5, 0.0) + gp_XYZ(aPnt2.X(), aPnt2.Y() + 0.5, 0.0)));
anAisEdgeP12Label->SetColor(Quantity_Color(Quantity_NOC_YELLOW));
myObject2d.Append(anAisEdgeP12Label);
Handle(AIS_TextLabel) anAisEdgeCircLabel = new AIS_TextLabel();
anAisEdgeCircLabel->SetText("Circular edge");
anAisEdgeCircLabel->SetPosition(gp_XYZ(aCirc.Location().X(), aCirc.Location().Y() + 0.5, 0.0));
anAisEdgeCircLabel->SetColor(Quantity_Color(Quantity_NOC_RED));
myObject2d.Append(anAisEdgeCircLabel);
Handle(AIS_TextLabel) anAisEdgeBSplineLabel = new AIS_TextLabel();
anAisEdgeBSplineLabel->SetText("BSpline edge");
anAisEdgeBSplineLabel->SetPosition(gp_XYZ(aPole3.X(), aPole3.Y() + 0.5, 0.0));
anAisEdgeBSplineLabel->SetColor(Quantity_Color(Quantity_NOC_GREEN));
myObject2d.Append(anAisEdgeBSplineLabel);
TopoDS_Vertex anEdgeP12_V1, anEdgeP12_V2;
TopExp::Vertices(anEdgeP12, anEdgeP12_V1, anEdgeP12_V2);
myObject2d.Append(new AIS_Shape(anEdgeP12_V1));
myObject2d.Append(new AIS_Shape(anEdgeP12_V2));
TopoDS_Vertex anEdgeCirc_V1, anEdgeCirc_V2;
TopExp::Vertices(anEdgeCirc, anEdgeCirc_V1, anEdgeCirc_V2);
myObject2d.Append(new AIS_Shape(anEdgeCirc_V1));
myObject2d.Append(new AIS_Shape(anEdgeCirc_V2));
TopoDS_Vertex anEdgeBSpline_V1, anEdgeBSpline_V2;
TopExp::Vertices(anEdgeBSpline, anEdgeBSpline_V1, anEdgeBSpline_V2);
myObject2d.Append(new AIS_Shape(anEdgeBSpline_V1));
myObject2d.Append(new AIS_Shape(anEdgeBSpline_V2));
}
void TopologySamples::Box3dSample()
{
// Make a box with a corner at [0, 0, 0] and the specified sizes.
Standard_Real aSizeX = 5.0;
Standard_Real aSizeY = 10.0;
Standard_Real aSizeZ = 15.0;
TopoDS_Shape aBox1 = BRepPrimAPI_MakeBox(aSizeX, aSizeY, aSizeZ);
myResult << "Box at corner [0, 0, 0] and sizes ["
<< aSizeX << ", " << aSizeY << ", " << aSizeZ
<< "] was created in yellow" << std::endl;
// Make a box by two points.
gp_Pnt aPnt1(10.0, 0.0, 0.0);
gp_Pnt aPnt2(20.0, 10.0, 15.0);
TopoDS_Shape aBox2 = BRepPrimAPI_MakeBox(aPnt1, aPnt2);
myResult << "Box with corners ["
<< aPnt1.X() << ", " << aPnt1.Y() << ", " << aPnt1.Z()
<< "] and ["
<< aPnt2.X() << ", " << aPnt2.Y() << ", " << aPnt2.Z()
<< "] was created in red" << std::endl;
Handle(AIS_ColoredShape) anAisBox1 = new AIS_ColoredShape(aBox1);
Handle(AIS_ColoredShape) anAisBox2 = new AIS_ColoredShape(aBox2);
anAisBox1->SetColor(Quantity_Color(Quantity_NOC_YELLOW));
anAisBox2->SetColor(Quantity_Color(Quantity_NOC_RED));
myObject3d.Append(anAisBox1);
myObject3d.Append(anAisBox2);
}
void TopologySamples::Cylinder3dSample()
{
// Make a cylinder of the specified radius and length.
Standard_Real aRadius1 = 5.0;
Standard_Real aLength1 = 15.0;
TopoDS_Shape aCyl1 = BRepPrimAPI_MakeCylinder(aRadius1, aLength1);
myResult << "Cylinder with Radius = " << aRadius1
<< " and Length = " << aLength1
<< " was created in yellow" << std::endl;
// Make a cylinder of the specified radius, length and sector angle.
Standard_Real aRadius2 = 8.0;
Standard_Real aLength2 = 25.0;
Standard_Real anAngle = M_PI_2;
TopoDS_Shape aCyl2 = BRepPrimAPI_MakeCylinder(aRadius2, aLength2, anAngle);
myResult << "Cylinder with Radius = " << aRadius2
<< " , Length = " << aLength2
<< " and Angle = " << anAngle
<< " was created in red" << std::endl;
Handle(AIS_ColoredShape) anAisCyl1 = new AIS_ColoredShape(aCyl1);
Handle(AIS_ColoredShape) anAisCyl2 = new AIS_ColoredShape(aCyl2);
anAisCyl1->SetColor(Quantity_Color(Quantity_NOC_YELLOW));
anAisCyl2->SetColor(Quantity_Color(Quantity_NOC_RED));
myObject3d.Append(anAisCyl1);
myObject3d.Append(anAisCyl2);
}
void TopologySamples::Revolution3dSample()
{
// Make a toroidal face by a series of shape revolves.
// Make a starting vertex at [-1.0, 0, 0].
TopoDS_Shape aVertex = BRepBuilderAPI_MakeVertex(gp_Pnt(-1.0, 0.0, 0.0));
// Make a circular edge by revolting aVertex around
// an axis Y positioned at [-1.5, 0.0, 0.0] on 2*Pi angle
gp_Ax1 anAxis1(gp_Pnt(-1.5, 0.0, 0.0), gp::DY());
TopoDS_Shape anEdge = BRepPrimAPI_MakeRevol(aVertex, anAxis1);
myResult << "Circular edge was created in yellow" << std::endl;
// Make a toroidal face by revolting anEdge around
// Z axis on 2*Pi angle.
TopoDS_Shape aFace = BRepPrimAPI_MakeRevol(anEdge, gp::OZ());
myResult << "Toroidal face was created in red" << std::endl;
Handle(AIS_Axis) anAisAxis1 = new AIS_Axis(new Geom_Axis1Placement(anAxis1));
Handle(AIS_Axis) anAisAxis2 = new AIS_Axis(new Geom_Axis1Placement(gp::OZ()));
Handle(AIS_Shape) anAisVertex = new AIS_Shape(aVertex);
Handle(AIS_ColoredShape) anAisEdge = new AIS_ColoredShape(anEdge);
Handle(AIS_ColoredShape) anAisFace = new AIS_ColoredShape(aFace);
anAisEdge->SetColor(Quantity_Color(Quantity_NOC_GREEN));
anAisEdge->SetWidth(1.5);
anAisAxis1->SetColor(Quantity_NOC_GREEN);
anAisFace->SetColor(Quantity_Color(Quantity_NOC_RED));
anAisAxis2->SetColor(Quantity_NOC_RED);
myObject3d.Append(anAisVertex);
myObject3d.Append(anAisEdge);
myObject3d.Append(anAisFace);
}
void TopologySamples::TopologyIterator3dSample()
{
// Make a compound shape.
TopoDS_Compound aComp;
BRep_Builder aBuilder;
aBuilder.MakeCompound(aComp);
// Add shapes to the compound.
aBuilder.Add(aComp, BRepBuilderAPI_MakeVertex(gp::Origin()));
aBuilder.Add(aComp, BRepBuilderAPI_MakeEdge(gp_Pnt(5.0, 0.0, 0.0), gp_Pnt(10.0, 0.0, 0.0)));
aBuilder.Add(aComp, BRepBuilderAPI_MakeFace(gp_Sphere(gp::XOY(), 10.0)));
aBuilder.Add(aComp, BRepBuilderAPI_MakeWire(
BRepBuilderAPI_MakeEdge(gp_Pnt(15.0, 0.0, 0.0), gp_Pnt(20.0, 0.0, 0.0)),
BRepBuilderAPI_MakeEdge(gp_Pnt(20.0, 0.0, 0.0), gp_Pnt(25.0, 10.0, 5.0))
));
aBuilder.Add(aComp, BRepPrimAPI_MakeBox(5.0, 6.0, 7.0).Shell());
aBuilder.Add(aComp, BRepPrimAPI_MakeBox(5.0, 6.0, 7.0).Solid());
TopoDS_Compound aComp1;
aBuilder.MakeCompound(aComp1);
aBuilder.Add(aComp, aComp1);
// Iterate over compound components.
myResult << "Compound components:" << std::endl;
Standard_Integer anI = 1;
for (TopoDS_Iterator anIt(aComp); anIt.More(); anIt.Next(), ++anI)
{
const TopoDS_Shape& aShape = anIt.Value();
myResult << "#" << anI << " : ";
Handle(AIS_ColoredShape) anAisShape;
switch (aShape.ShapeType())
{
case TopAbs_VERTEX:
myResult << "TopAbs_VERTEX";
anAisShape = new AIS_ColoredShape(aShape);
anAisShape->SetColor(Quantity_Color(Quantity_NOC_YELLOW));
break;
case TopAbs_EDGE:
anAisShape = new AIS_ColoredShape(aShape);
anAisShape->SetColor(Quantity_Color(Quantity_NOC_GREEN));
myResult << "TopAbs_EDGE";
break;
case TopAbs_WIRE:
myResult << "TopAbs_WIRE";
break;
case TopAbs_FACE:
anAisShape = new AIS_ColoredShape(aShape);
anAisShape->SetColor(Quantity_Color(Quantity_NOC_RED));
myResult << "TopAbs_FACE";
break;
case TopAbs_SHELL:
myResult << "TopAbs_SHELL";
break;
case TopAbs_SOLID:
myResult << "TopAbs_SOLID";
break;
case TopAbs_COMPOUND:
myResult << "TopAbs_COMPOUND";
break;
case TopAbs_COMPSOLID:
myResult << "TopAbs_COMPSOLID";
break;
case TopAbs_SHAPE:
myResult << "TopAbs_SHAPE";
break;
}
myResult << std::endl;
if (anAisShape)
{
myObject3d.Append(anAisShape);
}
}
}
void TopologySamples::TopologyExplorer3dSample()
{
// Make a box with a corner at [0, 0, 0] and the specified sizes.
Standard_Real aSizeX = 5.0;
Standard_Real aSizeY = 10.0;
Standard_Real aSizeZ = 15.0;
TopoDS_Shape aBox = BRepPrimAPI_MakeBox(aSizeX, aSizeY, aSizeZ);
// Explore vertex references.
myResult << "Vertex refs. : ";
Standard_Integer nbVertices = 0;
for (TopExp_Explorer anExp(aBox, TopAbs_VERTEX); anExp.More(); anExp.Next(), ++nbVertices)
{
const TopoDS_Shape& aShape = anExp.Current();
Handle(AIS_ColoredShape) anAisShape = new AIS_ColoredShape(aShape);
anAisShape->SetColor(Quantity_Color(Quantity_NOC_YELLOW));
myObject3d.Append(anAisShape);
}
myResult << nbVertices << std::endl;
// Explore edge references.
myResult << "Edge refs. : ";
Standard_Integer nbEdges = 0;
for (TopExp_Explorer anExp(aBox, TopAbs_EDGE); anExp.More(); anExp.Next(), ++nbEdges)
{
const TopoDS_Shape& aShape = anExp.Current();
Handle(AIS_ColoredShape) anAisShape = new AIS_ColoredShape(aShape);
anAisShape->SetColor(Quantity_Color(Quantity_NOC_GREEN));
anAisShape->SetWidth(2.5);
myObject3d.Append(anAisShape);
}
myResult << nbEdges << std::endl;
// Explore face references.
myResult << "Face refs. : ";
Standard_Integer nbFaces = 0;
for (TopExp_Explorer anExp(aBox, TopAbs_FACE); anExp.More(); anExp.Next(), ++nbFaces)
{
const TopoDS_Shape& aShape = anExp.Current();
Handle(AIS_ColoredShape) anAisShape = new AIS_ColoredShape(aShape);
anAisShape->SetColor(Quantity_Color(Quantity_NOC_GREEN));
anAisShape->SetWidth(2.5);
myObject3d.Append(anAisShape);
}
myResult << nbFaces << std::endl;
// Explore shell references.
myResult << "Wire refs. : ";
Standard_Integer nbWires = 0;
for (TopExp_Explorer anExp(aBox, TopAbs_WIRE); anExp.More(); anExp.Next(), ++nbWires)
{
}
myResult << nbWires << std::endl;
// Explore shell references.
myResult << "Shell refs. : ";
Standard_Integer nbShells = 0;
for (TopExp_Explorer anExp(aBox, TopAbs_SHELL); anExp.More(); anExp.Next(), ++nbShells)
{
}
myResult << nbShells << std::endl;
// Explore solid references.
myResult << "Solid refs. : ";
Standard_Integer nbSolids = 0;
for (TopExp_Explorer anExp(aBox, TopAbs_SOLID); anExp.More(); anExp.Next(), ++nbSolids)
{
}
myResult << nbSolids << std::endl;
}
void TopologySamples::AssessToCurve3dSample()
{
// Make a face from a sphere.
gp_Sphere aSphere(gp::XOY(), 1.0);
TopoDS_Face aFace = BRepBuilderAPI_MakeFace(aSphere);
myResult << "TopoDS_Face on the sphere with" << std::endl
<< "the center at [ "
<< aSphere.Location().X() << ", " << aSphere.Location().Y() << ", " << aSphere.Location().Z()
<< " ] and R = " << aSphere.Radius() << " was created in yellow" << std::endl
<< std::endl;
Handle(AIS_ColoredShape) anAisFace = new AIS_ColoredShape(aFace);
anAisFace->SetColor(Quantity_Color(Quantity_NOC_YELLOW));
myObject3d.Append(anAisFace);
// Retrieve the first not degenerated edge.
TopoDS_Edge aCurveEdge;
for (TopExp_Explorer anExp(aFace, TopAbs_EDGE); anExp.More(); anExp.Next())
{
TopoDS_Edge anEdge = TopoDS::Edge(anExp.Current());
if (!BRep_Tool::Degenerated(anEdge))
{
aCurveEdge = anEdge;
break;
}
}
if (!aCurveEdge.IsNull())
{
// Make a curve on edge adaptor.
BRepAdaptor_Curve aCurveAdaptor(aCurveEdge);
myResult << "Curve adaptor for edge was built in red" << std::endl;
Handle(AIS_ColoredShape) anAisCurveEdge = new AIS_ColoredShape(aCurveEdge);
anAisCurveEdge->SetColor(Quantity_Color(Quantity_NOC_RED));
anAisCurveEdge->SetWidth(1.5);
myObject3d.Append(anAisCurveEdge);
// Use the curve adaptor for some calculations, e.g. compute
// a set of points using GCPnts_QuasiUniformDeflection algo.
Standard_Real aDeflection = 0.1;
GCPnts_QuasiUniformDeflection anAlgo(aCurveAdaptor, aDeflection);
Standard_ASSERT_VOID(anAlgo.IsDone(), "Success is expected!");
myResult << "Distribution of point on the curve with " << aDeflection
<< " deflection was performed:" << std::endl;
for (Standard_Integer i = 1; i <= anAlgo.NbPoints(); ++i)
{
gp_Pnt aPnt = anAlgo.Value(i);
myResult << "Point #" << i << " : [ "
<< aPnt.X() << ", " << aPnt.Y() << ", " << aPnt.Z() << " ]" << std::endl;
Handle(AIS_Point) anAisPnt = new AIS_Point(new Geom_CartesianPoint(aPnt));
myObject3d.Append(anAisPnt);
}
}
}
void TopologySamples::AssessToCompositeCurve3dSample()
{
// Make a wire containing two BSpline curves.
// Define points.
gp_Pnt aPole1(0.0, 0.0, 10.0);
gp_Pnt aPole2(5.0, 5.0, 5.0);
gp_Pnt aPole3(10.0, 10.0, 15.0);
gp_Pnt aPole4(15.0, 5.0, 20.0);
gp_Pnt aPole5(25.0, 15.0, 20.0);
gp_Pnt aPole6(35.0, 15.0, 15.0);
gp_Pnt aPole7(45.0, 25.0, 10.0);
// Add points to the curve poles array.
TColgp_Array1OfPnt aPoles1(1, 4), aPoles2(1, 4);
aPoles1.SetValue(1, aPole1);
aPoles1.SetValue(2, aPole2);
aPoles1.SetValue(3, aPole3);
aPoles1.SetValue(4, aPole4);
aPoles2.SetValue(1, aPole4);
aPoles2.SetValue(2, aPole5);
aPoles2.SetValue(3, aPole6);
aPoles2.SetValue(4, aPole7);
// Make a BSpline curves from the point arrays
Handle(Geom_BSplineCurve) aBSplineCurve1 = GeomAPI_PointsToBSpline(aPoles1).Curve();
Handle(Geom_BSplineCurve) aBSplineCurve2 = GeomAPI_PointsToBSpline(aPoles2).Curve();
// Make edges
TopoDS_Edge anEdge1 = BRepBuilderAPI_MakeEdge(aBSplineCurve1);
TopoDS_Edge anEdge2 = BRepBuilderAPI_MakeEdge(aBSplineCurve2);
// Make a wire
BRepBuilderAPI_MakeWire aMakeWire;
aMakeWire.Add(anEdge1);
aMakeWire.Add(anEdge2);
Standard_ASSERT_VOID(aMakeWire.IsDone(), "Added edge isn't connectible!");
TopoDS_Wire aWire = aMakeWire.Wire();
myResult << "Wire of two BSpline curves was created" << std::endl;
Handle(AIS_ColoredShape) anAisWire = new AIS_ColoredShape(aWire);
myObject3d.Append(anAisWire);
// Make an adaptor.
BRepAdaptor_CompCurve aCurveAdaptor(aWire);
// Use the curve adaptor for some calculations, e.g. compute
// a set of points using GCPnts_QuasiUniformDeflection algo.
Standard_Real aDeflection = 0.5;
GCPnts_QuasiUniformDeflection anAlgo(aCurveAdaptor, aDeflection);
Standard_ASSERT_VOID(anAlgo.IsDone(), "Success is expected!");
myResult << "Distribution of point on the curve with " << aDeflection
<< " deflection was performed:" << std::endl;
for (Standard_Integer i = 1; i <= anAlgo.NbPoints(); ++i)
{
gp_Pnt aPnt = anAlgo.Value(i);
myResult << "Point #" << i << " : [ "
<< aPnt.X() << ", " << aPnt.Y() << ", " << aPnt.Z() << " ]" << std::endl;
Handle(AIS_Point) anAisPnt = new AIS_Point(new Geom_CartesianPoint(aPnt));
myObject3d.Append(anAisPnt);
}
}
void TopologySamples::AssessToSurface3dSample()
{
// Make a face from a sphere.
gp_Sphere aSphere(gp::XOY(), 4.0);
TopoDS_Face aFace = BRepBuilderAPI_MakeFace(aSphere);
myResult << "TopoDS_Face on the sphere with" << std::endl
<< "the center at [ "
<< aSphere.Location().X() << ", " << aSphere.Location().Y() << ", " << aSphere.Location().Z()
<< " ] and R = " << aSphere.Radius() << " was created in yellow" << std::endl
<< std::endl;
// Make a surface adaptor.
BRepAdaptor_Surface aSurfAdaptor(aFace);
// Use the surface adaptor for some calculations, e.g. compute
// a normal vector at a surface point.
Standard_Real anU = 0.0, aV = 0.0;
gp_Pnt aPnt;
gp_Vec aDU, aDV;
aSurfAdaptor.D1(anU, aV, aPnt, aDU, aDV);
gp_Vec aNorm = aDU.Crossed(aDV);
Standard_ASSERT_VOID(aNorm.Magnitude() > Precision::Confusion(), "Non zero vector is expected!");
aNorm.Normalize();
myResult << "Normal vector at ( " << anU << ", " << aV << " )" << std::endl
<< " = " << aNorm.X() << ", " << aNorm.Y() << ", " << aNorm.Z() << " ] is in red" << std::endl;
Handle(AIS_ColoredShape) anAisFace = new AIS_ColoredShape(aFace);
anAisFace->SetColor(Quantity_Color(Quantity_NOC_YELLOW));
Handle(AIS_Point) anAisPnt = new AIS_Point(new Geom_CartesianPoint(aPnt));
Handle(AIS_ColoredShape) anAisNorm = new AIS_ColoredShape(
BRepBuilderAPI_MakeEdge(aPnt, aPnt.XYZ() + aNorm.XYZ()));
myObject3d.Append(anAisFace);
myObject3d.Append(anAisNorm);
myObject3d.Append(anAisPnt);
}
void TopologySamples::Common3dSample()
{
// Make a box #1 with a corner at [0, 0, 0] and the specified sizes.
Standard_Real aSizeX = 10.0;
Standard_Real aSizeY = 15.0;
Standard_Real aSizeZ = 20.0;
TopoDS_Shape aShape1 = BRepPrimAPI_MakeBox(aSizeX, aSizeY, aSizeZ);
myResult << "Box at corner [0, 0, 0] and sizes ["
<< aSizeX << ", " << aSizeY << ", " << aSizeZ
<< "] was created in yellow wireframe" << std::endl;
// Make a box #2 by two points.
gp_Pnt aPnt1(5.0, 7.5, 10.0);
gp_Pnt aPnt2(20.0, 25.0, 30.0);
TopoDS_Shape aShape2 = BRepPrimAPI_MakeBox(aPnt1, aPnt2);
myResult << "Box with corners ["
<< aPnt1.X() << ", " << aPnt1.Y() << ", " << aPnt1.Z()
<< "] and ["
<< aPnt2.X() << ", " << aPnt2.Y() << ", " << aPnt2.Z()
<< "] was created in green wirefreme" << std::endl;
// Create a boolean algo.
BRepAlgoAPI_Common anAlgo(aShape1, aShape2);
// Make operation.
anAlgo.Build();
if (!anAlgo.IsDone()) // Process errors
{
myResult << "Errors : " << std::endl;
anAlgo.DumpErrors(myResult);
}
if (anAlgo.HasWarnings()) // Process warnings
{
myResult << "Warnings : " << std::endl;
anAlgo.DumpErrors(myResult);
}
if (anAlgo.IsDone())
{
// Get result.
TopoDS_Shape aResultShape = anAlgo.Shape();
myResult << "Result shape was created in red shading" << std::endl;
Handle(AIS_ColoredShape) anAisShape1 = new AIS_ColoredShape(aShape1);
Handle(AIS_ColoredShape) anAisShape2 = new AIS_ColoredShape(aShape2);
anAisShape1->SetColor(Quantity_Color(Quantity_NOC_YELLOW));
anAisShape2->SetColor(Quantity_Color(Quantity_NOC_GREEN));
Handle(AIS_ColoredShape) anAisResult = new AIS_ColoredShape(aResultShape);
anAisResult->SetColor(Quantity_Color(Quantity_NOC_RED));
myObject3d.Append(anAisShape1);
myObject3d.Append(anAisShape2);
myObject3d.Append(anAisResult);
myContext->SetDisplayMode(anAisShape1, 0, Standard_True);
myContext->SetDisplayMode(anAisShape2, 0, Standard_True);
myContext->SetDisplayMode(anAisResult, 1, Standard_True);
}
}
void TopologySamples::Cut3dSample()
{
// Make a box #1 with a corner at [0, 0, 0] and the specified sizes.
Standard_Real aSizeX = 10.0;
Standard_Real aSizeY = 15.0;
Standard_Real aSizeZ = 20.0;
TopoDS_Shape aShape1 = BRepPrimAPI_MakeBox(aSizeX, aSizeY, aSizeZ);
myResult << "Box at corner [0, 0, 0] and sizes ["
<< aSizeX << ", " << aSizeY << ", " << aSizeZ
<< "] was created in yellow wireframe" << std::endl;
// Make a box #2 by two points as a cutting tool.
gp_Pnt aPnt1(5.0, 7.5, 10.0);
gp_Pnt aPnt2(20.0, 25.0, 30.0);
TopoDS_Shape aShape2 = BRepPrimAPI_MakeBox(aPnt1, aPnt2);
myResult << "Box with corners ["
<< aPnt1.X() << ", " << aPnt1.Y() << ", " << aPnt1.Z()
<< "] and ["
<< aPnt2.X() << ", " << aPnt2.Y() << ", " << aPnt2.Z()
<< "] was created in green wireframe" << std::endl;
// Create a boolean algo.
BRepAlgoAPI_Cut anAlgo(aShape1, aShape2);
// Make operation.
anAlgo.Build();
if (!anAlgo.IsDone()) // Process errors
{
myResult << "Errors : " << std::endl;
anAlgo.DumpErrors(myResult);
}
if (anAlgo.HasWarnings()) // Process warnings
{
myResult << "Warnings : " << std::endl;
anAlgo.DumpErrors(myResult);
}
if (anAlgo.IsDone())
{
// Get result.
TopoDS_Shape aResultShape = anAlgo.Shape();
myResult << "Result shape was created in red shading" << std::endl;
Handle(AIS_ColoredShape) anAisShape1 = new AIS_ColoredShape(aShape1);
Handle(AIS_ColoredShape) anAisShape2 = new AIS_ColoredShape(aShape2);
anAisShape1->SetColor(Quantity_Color(Quantity_NOC_YELLOW));
anAisShape2->SetColor(Quantity_Color(Quantity_NOC_GREEN));
Handle(AIS_ColoredShape) anAisResult = new AIS_ColoredShape(aResultShape);
anAisResult->SetColor(Quantity_Color(Quantity_NOC_RED));
myObject3d.Append(anAisShape1);
myObject3d.Append(anAisShape2);
myObject3d.Append(anAisResult);
myContext->SetDisplayMode(anAisShape1, 0, Standard_True);
myContext->SetDisplayMode(anAisShape2, 0, Standard_True);
myContext->SetDisplayMode(anAisResult, 1, Standard_True);
}
}
void TopologySamples::Fuse3dSample()
{
// Make a box #1 with a corner at [0, 0, 0] and the specified sizes.
Standard_Real aSizeX = 10.0;
Standard_Real aSizeY = 15.0;
Standard_Real aSizeZ = 20.0;
TopoDS_Shape aShape1 = BRepPrimAPI_MakeBox(aSizeX, aSizeY, aSizeZ);
myResult << "Box at corner [0, 0, 0] and sizes ["
<< aSizeX << ", " << aSizeY << ", " << aSizeZ
<< "] was created in yellow wireframe" << std::endl;
// Make a box #2 by two points.
gp_Pnt aPnt1(5.0, 7.5, 10.0);
gp_Pnt aPnt2(20.0, 25.0, 30.0);
TopoDS_Shape aShape2 = BRepPrimAPI_MakeBox(aPnt1, aPnt2);
myResult << "Box with corners ["
<< aPnt1.X() << ", " << aPnt1.Y() << ", " << aPnt1.Z()
<< "] and ["
<< aPnt2.X() << ", " << aPnt2.Y() << ", " << aPnt2.Z()
<< "] was created in green wireframe" << std::endl;
// Create a boolean algo.
BRepAlgoAPI_Fuse anAlgo(aShape1, aShape2);
// Make operation.
anAlgo.Build();
if (!anAlgo.IsDone()) // Process errors
{
myResult << "Errors : " << std::endl;
anAlgo.DumpErrors(myResult);
}
if (anAlgo.HasWarnings()) // Process warnings
{
myResult << "Warnings : " << std::endl;
anAlgo.DumpErrors(myResult);
}
if (anAlgo.IsDone())
{
// Get result.
TopoDS_Shape aResultShape = anAlgo.Shape();
myResult << "Result shape was created in red shading" << std::endl;
Handle(AIS_ColoredShape) anAisShape1 = new AIS_ColoredShape(aShape1);
Handle(AIS_ColoredShape) anAisShape2 = new AIS_ColoredShape(aShape2);
anAisShape1->SetColor(Quantity_Color(Quantity_NOC_YELLOW));
anAisShape2->SetColor(Quantity_Color(Quantity_NOC_GREEN));
Handle(AIS_ColoredShape) anAisResult = new AIS_ColoredShape(aResultShape);
anAisResult->SetColor(Quantity_Color(Quantity_NOC_RED));
myObject3d.Append(anAisShape1);
myObject3d.Append(anAisShape2);
myObject3d.Append(anAisResult);
myContext->SetDisplayMode(anAisShape1, 0, Standard_True);
myContext->SetDisplayMode(anAisShape2, 0, Standard_True);
myContext->SetDisplayMode(anAisResult, 1, Standard_True);
}
}
void TopologySamples::Section3dSample()
{
// Make a box #1 with a corner at [0, 0, 0] and the specified sizes.
Standard_Real aSizeX = 10.0;
Standard_Real aSizeY = 15.0;
Standard_Real aSizeZ = 20.0;
TopoDS_Shape aShape = BRepPrimAPI_MakeBox(aSizeX, aSizeY, aSizeZ);
myResult << "Box at corner [0, 0, 0] and sizes ["
<< aSizeX << ", " << aSizeY << ", " << aSizeZ
<< "] was created in yellow wireframe" << std::endl;
// Create a boolean algo.
// Make a section by a plane.
gp_Pln aPln(gp_Pnt(aSizeX / 2.0, aSizeY / 2.0, aSizeZ / 2.0), gp::DZ());
BRepAlgoAPI_Section anAlgo(aShape, aPln, Standard_False);
// Make operation.
anAlgo.Build();
if (!anAlgo.IsDone()) // Process errors
{
myResult << "Errors : " << std::endl;
anAlgo.DumpErrors(myResult);
}
if (anAlgo.HasWarnings()) // Process warnings
{
myResult << "Warnings : " << std::endl;
anAlgo.DumpErrors(myResult);
}
if (anAlgo.IsDone())
{
// Get result.
TopoDS_Shape aResultShape = anAlgo.Shape();
myResult << "Result shape was created in red" << std::endl;
Handle(AIS_ColoredShape) anAisShape = new AIS_ColoredShape(aShape);
Handle(AIS_Plane) anAisPlane = new AIS_Plane(new Geom_Plane(aPln));
anAisShape->SetColor(Quantity_Color(Quantity_NOC_YELLOW));
Handle(AIS_ColoredShape) anAisResult = new AIS_ColoredShape(aResultShape);
anAisResult->SetColor(Quantity_Color(Quantity_NOC_RED));
myObject3d.Append(anAisShape);
myObject3d.Append(anAisPlane);
myObject3d.Append(anAisResult);
myContext->SetDisplayMode(anAisShape, 0, Standard_True);
}
}
void TopologySamples::Splitter3dSample()
{
// Make a box by two points.
gp_Pnt aPnt1(-5.0, -7.5, -10.0);
gp_Pnt aPnt2(10.0, 15.0, 10.0);
TopoDS_Shape aBox = BRepPrimAPI_MakeBox(aPnt1, aPnt2);
myResult << "Box with corners ["
<< aPnt1.X() << ", " << aPnt1.Y() << ", " << aPnt1.Z()
<< "] and ["
<< aPnt2.X() << ", " << aPnt2.Y() << ", " << aPnt2.Z()
<< "] was created in yellow" << std::endl;
// Make a splitting tool as XY plane.
TopoDS_Shape aTool = BRepBuilderAPI_MakeFace(gp_Pln(gp::XOY()));
// Create a splitter algo.
BRepAlgoAPI_Splitter aSplitter;
// Add shapes to be split.
TopTools_ListOfShape anArguments;
anArguments.Append(aBox);
aSplitter.SetArguments(anArguments);
// Add tool shapes.
TopTools_ListOfShape aTools;
aTools.Append(aTool);
aSplitter.SetTools(aTools);
// Perform splitting.
aSplitter.Build();
if (!aSplitter.IsDone()) // Process errors
{
myResult << "Errors : " << std::endl;
aSplitter.DumpErrors(myResult);
}
if (aSplitter.HasWarnings()) // Process warnings
{
myResult << "Warnings : " << std::endl;
aSplitter.DumpErrors(myResult);
}
Handle(AIS_ColoredShape) anAisBox = new AIS_ColoredShape(aBox);
anAisBox->SetColor(Quantity_Color(Quantity_NOC_YELLOW));
myObject3d.Append(anAisBox);
if (aSplitter.IsDone()) // Process results
{
// Simplification of the result shape is performed by the means of
// ShapeUpgrade_UnifySameDomain algorithm. The result of the operation will
// be overwritten with the simplified result.
// The simplification is performed without creation of the Internal shapes,
// i.e. shapes connections will never be broken.
// Simplification is performed on the whole result shape. Thus, if the input
// shapes contained connected tangent edges or faces unmodified during the operation
// they will also be unified.
aSplitter.SimplifyResult();
// Get result of splitting.
TopoDS_Shape aResult = aSplitter.Shape();
myResult << "Splitting result (shapes are moved apart for illustativeness) is in red" << std::endl;
// In this particular sample two shapes in the result are expected.
// Lets move apart them for illustrative purposes.
TopoDS_Iterator anIt(aResult);
Standard_ASSERT_VOID(anIt.More(), "Not empty result is expected!");
TopoDS_Shape aBox1 = anIt.Value(); anIt.Next();
Standard_ASSERT_VOID(anIt.More(), "Two shapes in the result are expected!");
TopoDS_Shape aBox2 = anIt.Value();
gp_Trsf aTrsf1; aTrsf1.SetTranslation(gp_Vec(0.0, 0.0, -15.0));
aBox1.Move(aTrsf1);
gp_Trsf aTrsf2; aTrsf2.SetTranslation(gp_Vec(0.0, 0.0, +15.0));
aBox2.Move(aTrsf2);
Handle(AIS_ColoredShape) anAisBox1 = new AIS_ColoredShape(aBox1);
Handle(AIS_ColoredShape) anAisBox2 = new AIS_ColoredShape(aBox2);
anAisBox1->SetColor(Quantity_Color(Quantity_NOC_RED));
anAisBox2->SetColor(Quantity_Color(Quantity_NOC_RED));
myObject3d.Append(anAisBox1);
myObject3d.Append(anAisBox2);
}
}
void TopologySamples::Defeaturing3dSample()
{
// Prepare a box with a chamfer.
// Make a box with a corner at [0, 0, 0] and the specified sizes.
Standard_Real aSizeX = 8.0;
Standard_Real aSizeY = 10.0;
Standard_Real aSizeZ = 15.0;
TopoDS_Shape aBox = BRepPrimAPI_MakeBox(aSizeX, aSizeY, aSizeZ);
// Initialize chamfer algo.
BRepFilletAPI_MakeChamfer anAlgo(aBox);
// Set edge to apply a chamfer with specified distance from it.
// Select the 5th edge in the map returned by TopExp::MapShapes method.
TopTools_IndexedMapOfShape anEdges;
TopExp::MapShapes(aBox, TopAbs_EDGE, anEdges);
TopoDS_Edge anEdge = TopoDS::Edge(anEdges.FindKey(5));
Standard_Real aDist = 4.0;
anAlgo.Add(aDist, anEdge);
// Make a chamfer.
anAlgo.Build();
Standard_ASSERT_VOID(anAlgo.IsDone(), "Couldn't prepare a box with a chamfer!");
// Get a box with a chamfer.
TopoDS_Shape aBoxWithChamfer = anAlgo.Shape();
myResult << "Box with a chamfer is in yellow shading" << std::endl;
Handle(AIS_ColoredShape) anAisBoxWithChamfer = new AIS_ColoredShape(aBoxWithChamfer);
anAisBoxWithChamfer->SetColor(Quantity_Color(Quantity_NOC_YELLOW));
myObject3d.Append(anAisBoxWithChamfer);
myContext->SetDisplayMode(anAisBoxWithChamfer, 1, Standard_True);
// Retrieve chamfer faces generated from the edge
const TopTools_ListOfShape& aGenShapes = anAlgo.Generated(anEdge);
Standard_ASSERT_VOID(!aGenShapes.IsEmpty(), "Chamfer face is expected!");
for (TopTools_ListOfShape::Iterator anIt(aGenShapes); anIt.More(); anIt.Next())
{
Handle(AIS_ColoredShape) anAisShape = new AIS_ColoredShape(anIt.Value());
anAisShape->SetColor(Quantity_Color(Quantity_NOC_GREEN));
anAisShape->SetWidth(2.5);
myObject3d.Append(anAisShape);
myContext->SetDisplayMode(anAisBoxWithChamfer, 1, Standard_True);
}
myResult << "Chamfer faces : " << aGenShapes.Size() << std::endl;
myResult << "The first one is using to remove" << std::endl;
myResult << "The removed face is in green" << std::endl;
// Initialize defeaturing algo.
BRepAlgoAPI_Defeaturing aDefeatAlgo;
aDefeatAlgo.SetShape(aBoxWithChamfer);
aDefeatAlgo.AddFaceToRemove(aGenShapes.First());
// Remove the chamfer.
aDefeatAlgo.Build();
if (aDefeatAlgo.IsDone())
{
// Get result.
TopoDS_Shape aResult = aDefeatAlgo.Shape();
myResult << "Defeatured box is in red wireframe" << std::endl;
Handle(AIS_ColoredShape) anAisResult = new AIS_ColoredShape(aResult);
anAisResult->SetColor(Quantity_Color(Quantity_NOC_RED));
myObject3d.Append(anAisResult);
myContext->SetDisplayMode(anAisResult, 0, Standard_True);
}
}
void TopologySamples::Fillet3dSample()
{
// Make a box with a corner at [0, 0, 0] and the specified sizes.
Standard_Real aSizeX = 8.0;
Standard_Real aSizeY = 10.0;
Standard_Real aSizeZ = 15.0;
TopoDS_Shape aBox = BRepPrimAPI_MakeBox(aSizeX, aSizeY, aSizeZ);
myResult << "Box at corner [0, 0, 0] and sizes ["
<< aSizeX << ", " << aSizeY << ", " << aSizeZ
<< "] was created in yellow wireframe" << std::endl;
// Initialize fillet algo.
BRepFilletAPI_MakeFillet anAlgo(aBox);
// Set edge to apply a fillet with specified radius.
// Select the first edge in the map returned by TopExp::MapShapes method.
TopTools_IndexedMapOfShape anEdges;
TopExp::MapShapes(aBox, TopAbs_EDGE, anEdges);
TopoDS_Edge anEdge = TopoDS::Edge(anEdges.FindKey(1));
Standard_Real aRadius = 3.0;
anAlgo.Add(aRadius, anEdge);
myResult << "Make a fillet of " << aRadius << " radius on an edge in green" << std::endl;
Handle(AIS_ColoredShape) anAisBox = new AIS_ColoredShape(aBox);
Handle(AIS_ColoredShape) anAisEdge = new AIS_ColoredShape(anEdge);
anAisBox->SetColor(Quantity_Color(Quantity_NOC_YELLOW));
anAisEdge->SetColor(Quantity_Color(Quantity_NOC_GREEN));
anAisEdge->SetWidth(2.5);
myObject3d.Append(anAisBox);
myObject3d.Append(anAisEdge);
myContext->SetDisplayMode(anAisBox, 0, Standard_True);
// Make a fillet.
anAlgo.Build();
if (anAlgo.IsDone())
{
// Get result.
TopoDS_Shape aResult = anAlgo.Shape();
myResult << "Fillet was built. Result shape is in red shading" << std::endl;
Handle(AIS_ColoredShape) anAisResult = new AIS_ColoredShape(aResult);
anAisResult->SetColor(Quantity_Color(Quantity_NOC_RED));
myObject3d.Append(anAisResult);
myContext->SetDisplayMode(anAisResult, 1, Standard_True);
}
}
void TopologySamples::Chamfer3dSample()
{
// Make a box with a corner at [0, 0, 0] and the specified sizes.
Standard_Real aSizeX = 8.0;
Standard_Real aSizeY = 10.0;
Standard_Real aSizeZ = 15.0;
TopoDS_Shape aBox = BRepPrimAPI_MakeBox(aSizeX, aSizeY, aSizeZ);
myResult << "Box at corner [0, 0, 0] and sizes ["
<< aSizeX << ", " << aSizeY << ", " << aSizeZ
<< "] was created in yellow wirewrame" << std::endl;
// Initialize chamfer algo.
BRepFilletAPI_MakeChamfer anAlgo(aBox);
// Set edge to apply a chamfer with specified distance from it.
// Select the 5th edge in the map returned by TopExp::MapShapes method.
TopTools_IndexedMapOfShape anEdges;
TopExp::MapShapes(aBox, TopAbs_EDGE, anEdges);
TopoDS_Edge anEdge = TopoDS::Edge(anEdges.FindKey(5));
Standard_Real aDist = 4.0;
anAlgo.Add(aDist, anEdge);
myResult << "Make a chamfer of " << aDist << " size on an edge in green" << std::endl;
Handle(AIS_ColoredShape) anAisBox = new AIS_ColoredShape(aBox);
Handle(AIS_ColoredShape) anAisEdge = new AIS_ColoredShape(anEdge);
anAisBox->SetColor(Quantity_Color(Quantity_NOC_YELLOW));
anAisEdge->SetColor(Quantity_Color(Quantity_NOC_GREEN));
anAisEdge->SetWidth(2.5);
myObject3d.Append(anAisBox);
myObject3d.Append(anAisEdge);
myContext->SetDisplayMode(anAisBox, 0, Standard_True);
// Make a chamfer.
anAlgo.Build();
if (anAlgo.IsDone())
{
// Get result.
TopoDS_Shape aResult = anAlgo.Shape();
myResult << "Fillet was built. Result shape is in red shading" << std::endl;
Handle(AIS_ColoredShape) anAisResult = new AIS_ColoredShape(aResult);
anAisResult->SetColor(Quantity_Color(Quantity_NOC_RED));
myObject3d.Append(anAisResult);
myContext->SetDisplayMode(anAisResult, 1, Standard_True);
const TopTools_ListOfShape& aGenShapes = anAlgo.Generated(anEdge);
for (TopTools_ListOfShape::Iterator anIt(aGenShapes); anIt.More(); anIt.Next())
{
Handle(AIS_ColoredShape) anAisShape = new AIS_ColoredShape(anIt.Value());
anAisShape->SetColor(Quantity_Color(Quantity_NOC_RED));
anAisShape->SetWidth(2.5);
myObject3d.Append(anAisShape);
}
}
}
void TopologySamples::Offset3dSample()
{
// Make a triangle wire.
BRepBuilderAPI_MakePolygon aTria;
TopoDS_Vertex aVertA = BRepBuilderAPI_MakeVertex(gp_Pnt(-0.5, 0.0, 0.0));
TopoDS_Vertex aVertB = BRepBuilderAPI_MakeVertex(gp_Pnt(0.0, 0.0, +1.0));
TopoDS_Vertex aVertC = BRepBuilderAPI_MakeVertex(gp_Pnt(+0.5, 0.0, 0.0));
aTria.Add(aVertA);
aTria.Add(aVertB);
aTria.Add(aVertC);
aTria.Close();
TopoDS_Wire aWire = aTria.Wire();
myResult << "Triangular wire was created in yellow" << std::endl;
Handle(AIS_ColoredShape) anAisWire = new AIS_ColoredShape(aWire);
anAisWire->SetColor(Quantity_Color(Quantity_NOC_YELLOW));
myObject3d.Append(anAisWire);
// Initialize offset algo.
BRepOffsetAPI_MakeOffset anAlgo(aWire);
// Perform a series of offsets with linearly increasing value and altitude.
Standard_Real anOffsetStep = 0.2;
Standard_Real anAltitudeStep = 0.1;
for (Standard_Integer i = 1; i <= 4; ++i)
{
Standard_Real anOffset = anOffsetStep * i;
Standard_Real anAltitude = anAltitudeStep * i;
anAlgo.Perform(anOffset, anAltitude);
if (anAlgo.IsDone())
{
// Get result.
TopoDS_Shape aResult = anAlgo.Shape();
myResult << "#" << i << " : Offset = " << anOffset << " Altitude = " << anAltitude
<< ". Result is in red." << std::endl;
Handle(AIS_ColoredShape) anAisResult = new AIS_ColoredShape(aResult);
anAisResult->SetColor(Quantity_Color(Quantity_NOC_RED));
myObject3d.Append(anAisResult);
}
}
}
void TopologySamples::Evolved3dSample()
{
// Make a triangle wire as a spine.
BRepBuilderAPI_MakePolygon aTria;
TopoDS_Vertex aVertA = BRepBuilderAPI_MakeVertex(gp_Pnt(-0.5, 0.0, 0.0));
TopoDS_Vertex aVertB = BRepBuilderAPI_MakeVertex(gp_Pnt(0.0, +1.0, 0.0));
TopoDS_Vertex aVertC = BRepBuilderAPI_MakeVertex(gp_Pnt(+0.5, 0.0, 0.0));
aTria.Add(aVertA);
aTria.Add(aVertB);
aTria.Add(aVertC);
aTria.Close();
TopoDS_Wire aSpine = aTria.Wire();
myResult << "Profile wire was created in yellow" << std::endl;
// Make a wire as a profile.
BRepBuilderAPI_MakePolygon aPoly;
TopoDS_Vertex aVert1 = BRepBuilderAPI_MakeVertex(gp_Pnt(-0.5, 0.0, 0.0));
TopoDS_Vertex aVert2 = BRepBuilderAPI_MakeVertex(gp_Pnt(-0.5, -0.1, 0.5));
TopoDS_Vertex aVert3 = BRepBuilderAPI_MakeVertex(gp_Pnt(-0.5, -0.2, 1.0));
aPoly.Add(aVert1);
aPoly.Add(aVert2);
aPoly.Add(aVert3);
TopoDS_Wire aProfile = aPoly.Wire();
myResult << "Spine wire was created in greed" << std::endl;
Handle(AIS_ColoredShape) anAisSpine = new AIS_ColoredShape(aSpine);
Handle(AIS_ColoredShape) anAisProfile = new AIS_ColoredShape(aProfile);
anAisSpine->SetColor(Quantity_Color(Quantity_NOC_YELLOW));
anAisSpine->SetWidth(2.5);
anAisProfile->SetColor(Quantity_Color(Quantity_NOC_GREEN));
anAisProfile->SetWidth(2.5);
myObject3d.Append(anAisSpine);
myObject3d.Append(anAisProfile);
// Initialize evolving algo.
GeomAbs_JoinType aJoinType = GeomAbs_Arc;
Standard_Boolean aIsGlobalCS = Standard_False;
Standard_Boolean aIsSolid = Standard_True;
BRepOffsetAPI_MakeEvolved anAlgo(aSpine, aProfile, aJoinType, aIsGlobalCS, aIsSolid);
// Perform evolving.
anAlgo.Build();
if (anAlgo.IsDone())
{
// Get result.
TopoDS_Shape aResult = anAlgo.Shape();
myResult << "Evolving result is in red" << std::endl;
Handle(AIS_ColoredShape) anAisResult = new AIS_ColoredShape(aResult);
anAisResult->SetColor(Quantity_Color(Quantity_NOC_RED));
myObject3d.Append(anAisResult);
}
}
void TopologySamples::Copy3dSample()
{
// Make a box with a corner at [0, 0, 0] and the specified sizes.
Standard_Real aSizeX = 10.0;
Standard_Real aSizeY = 15.0;
Standard_Real aSizeZ = 20.0;
BRepPrimAPI_MakeBox aBoxMake(aSizeX, aSizeY, aSizeZ);
TopoDS_Shape aBox = aBoxMake.Shape();
myResult << "Box at corner [0, 0, 0] and sizes ["
<< aSizeX << ", " << aSizeY << ", " << aSizeZ
<< "] was created in yellow" << std::endl;
// Make a box copy.
TopoDS_Shape aBoxCopy = BRepBuilderAPI_Copy(aBox);
myResult << "Box copy was created in red" << std::endl;
gp_Trsf aTrsf1; aTrsf1.SetTranslation(gp_Vec(15.0, 0.0, 0.0));
aBoxCopy.Move(aTrsf1);
myResult << "Box copy shape is moved apart for illustativeness" << std::endl;
Handle(AIS_ColoredShape) anAisBox = new AIS_ColoredShape(aBox);
anAisBox->SetColor(Quantity_Color(Quantity_NOC_YELLOW));
anAisBox->SetWidth(2.5);
Handle(AIS_ColoredShape) anAisBoxCopy = new AIS_ColoredShape(aBoxCopy);
anAisBoxCopy->SetColor(Quantity_Color(Quantity_NOC_RED));
myObject3d.Append(anAisBox);
myObject3d.Append(anAisBoxCopy);
}
void TopologySamples::Transform3dSample()
{
// Make a box with a corner at [0, 0, 0] and the specified sizes.
Standard_Real aSizeX = 10.0;
Standard_Real aSizeY = 15.0;
Standard_Real aSizeZ = 20.0;
BRepPrimAPI_MakeBox aBoxMake(aSizeX, aSizeY, aSizeZ);
TopoDS_Shape aBox = aBoxMake.Shape();
myResult << "Box at corner [0, 0, 0] and sizes ["
<< aSizeX << ", " << aSizeY << ", " << aSizeZ
<< "] was created in yellow" << std::endl;
// Move the box.
gp_Trsf aTrMove; aTrMove.SetTranslation(gp_Vec(15.0, 20.0, 25.0));
TopoDS_Shape aMovedBox = BRepBuilderAPI_Transform(aBox, aTrMove, Standard_True);
myResult << "Moved box in green" << std::endl;
// Rotate the moved box
gp_Trsf aTrRot; aTrRot.SetRotation(gp_Ax1(gp_Pnt(15.0, 20.0, 25.0), gp::DZ()), 3.0*M_PI_4);
TopoDS_Shape aRotatedBox = BRepBuilderAPI_Transform(aBox, aTrRot, Standard_True);
myResult << "Rotated box in red" << std::endl;
Handle(AIS_ColoredShape) anAisBox = new AIS_ColoredShape(aBox);
Handle(AIS_ColoredShape) anAisMovedBox = new AIS_ColoredShape(aMovedBox);
Handle(AIS_ColoredShape) anAisRotatedBox = new AIS_ColoredShape(aRotatedBox);
anAisBox->SetColor(Quantity_Color(Quantity_NOC_YELLOW));
anAisMovedBox->SetColor(Quantity_Color(Quantity_NOC_GREEN));
anAisRotatedBox->SetColor(Quantity_Color(Quantity_NOC_RED));
myObject3d.Append(anAisBox);
myObject3d.Append(anAisMovedBox);
myObject3d.Append(anAisRotatedBox);
}
void TopologySamples::ConvertToNurbs3dSample()
{
// Make a torus face.
gp_Torus aTorus(gp::XOY(), 20.0, 7.5);
TopoDS_Shape aTorusFace = BRepBuilderAPI_MakeFace(aTorus);
myResult << "TopoDS_Solid on the torus with" << std::endl
<< "R major = " << aTorus.MajorRadius() << std::endl
<< "R minor = " << aTorus.MinorRadius() << std::endl
<< "was created in yellow" << std::endl;
// Convert faces/edges from analytic to NURBS geometry.
TopoDS_Shape aNurbsFace = BRepBuilderAPI_NurbsConvert(aTorusFace);
myResult << "Converted torus in red" << std::endl;
gp_Trsf aTrsf1; aTrsf1.SetTranslation(gp_Vec(60.0, 0.0, 0.0));
aNurbsFace.Move(aTrsf1);
myResult << "Converted torus is moved apart for illustativeness" << std::endl;
Handle(AIS_ColoredShape) anAisTorus = new AIS_ColoredShape(aTorusFace);
Handle(AIS_ColoredShape) anAisNurbs = new AIS_ColoredShape(aNurbsFace);
anAisTorus->SetColor(Quantity_Color(Quantity_NOC_YELLOW));
anAisTorus->SetWidth(2.5);
anAisNurbs->SetColor(Quantity_Color(Quantity_NOC_RED));
myObject3d.Append(anAisTorus);
myObject3d.Append(anAisNurbs);
}
void TopologySamples::SewContiguousFaces3dSample()
{
// Make a sphere.
gp_Sphere aSphere(gp::XOY(), 1.0);
// South hemisphere.
TopoDS_Face aFace1 = BRepBuilderAPI_MakeFace(aSphere, 0.0, 2.0 * M_PI, -M_PI_2, 0.0);
// North hemisphere.
TopoDS_Face aFace2 = BRepBuilderAPI_MakeFace(aSphere, 0.0, 2.0 * M_PI, 0.0, +M_PI_2);
// Make a default tailor.
BRepBuilderAPI_Sewing aTailor;
// Add hemisphere faces.
aTailor.Add(aFace1);
aTailor.Add(aFace2);
// Perform sewing.
aTailor.Perform();
// Get result.
const TopoDS_Shape& aSewedSphere = aTailor.SewedShape();
myResult << "Two hemispheres were sewed : " << aTailor.NbFreeEdges() << " free edges" << std::endl;
Handle(AIS_ColoredShape) anAisSewedSphere = new AIS_ColoredShape(aSewedSphere);
anAisSewedSphere->SetColor(Quantity_Color(Quantity_NOC_RED));
myObject3d.Append(anAisSewedSphere);
}
void TopologySamples::CheckValidity3dSample()
{
// Make a box with a corner at [0, 0, 0] and the specified sizes.
Standard_Real aSizeX = 10.0;
Standard_Real aSizeY = 15.0;
Standard_Real aSizeZ = 20.0;
BRepPrimAPI_MakeBox aBoxMake(aSizeX, aSizeY, aSizeZ);
TopoDS_Shape aBox = aBoxMake.Shape();
myResult << "Box at corner [0, 0, 0] and sizes ["
<< aSizeX << ", " << aSizeY << ", " << aSizeZ
<< "] was created in yellow" << std::endl;
// Analyze the box.
BRepCheck_Analyzer anAnalyzer(aBox);
myResult << "Box is " << (anAnalyzer.IsValid() ? "valid" : "invalid") << std::endl;
// Make the box invalid manually.
Handle(BRepTools_ReShape) aReShape = new BRepTools_ReShape();
myResult << "Remove the top face from the box (red)" << std::endl;
aReShape->Remove(aBoxMake.TopFace());
TopoDS_Shape aBox1 = aReShape->Apply(aBox);
myResult << "The top face was removed" << std::endl;
// Analyze the modified box.
BRepCheck_Analyzer anAnalyzer1(aBox1);
myResult << "Modified box is " << (anAnalyzer1.IsValid() ? "valid" : "invalid") << std::endl;
Handle(AIS_ColoredShape) anAisBox = new AIS_ColoredShape(aBox);
Handle(AIS_ColoredShape) anAisTopFace = new AIS_ColoredShape(aBoxMake.TopFace());
anAisBox->SetColor(Quantity_Color(Quantity_NOC_YELLOW));
anAisTopFace->SetColor(Quantity_Color(Quantity_NOC_RED));
myObject3d.Append(anAisBox);
myObject3d.Append(anAisTopFace);
}
void TopologySamples::ComputeLinearProperties3dSample()
{
// Make an edge from a circular segment.
// Create a circle in XY plane of the radius 1.0.
gp_Circ aCirc(gp::XOY(), 1.0);
// Make a circular edge from the 1st quoter in the parametric space.
TopoDS_Edge aShape = BRepBuilderAPI_MakeEdge(aCirc, 0.0, M_PI);
myResult << "TopoDS_Edge on the circle's 1st quoter" << std::endl
<< "with the center at [ "
<< aCirc.Location().X() << ", " << aCirc.Location().Y() << ", " << aCirc.Location().Z()
<< " ] and R = " << aCirc.Radius() << " was created in red" << std::endl
<< std::endl;
// Retrieve linear properties from the edge.
GProp_GProps aGProps;
BRepGProp::LinearProperties(aShape, aGProps);
Standard_Real aLength = aGProps.Mass();
gp_Pnt aCOM = aGProps.CentreOfMass();
Standard_Real anIx, anIy, anIz;
aGProps.StaticMoments(anIx, anIy, anIz);
gp_Mat aMOI = aGProps.MatrixOfInertia();
myResult << "Linear properties:" << std::endl
<< " Length = " << aLength << std::endl
<< " Center of mass = [ " << aCOM.X() << ", " << aCOM.Y() << ", " << aCOM.Z() << " ]" << std::endl
<< " Static moments = [ " << anIx << ", " << anIy << ", " << anIz << " ]" << std::endl
<< " Matrix of inertia = [ "
<< aMOI(1, 1) << ", " << aMOI(1, 2) << ", " << aMOI(1, 3) << std::endl
<< std::setw(33) << aMOI(2, 1) << ", " << aMOI(2, 2) << ", " << aMOI(2, 3) << std::endl
<< std::setw(33) << aMOI(3, 1) << ", " << aMOI(3, 2) << ", " << aMOI(3, 3) << " ]" << std::endl;
GProp_PrincipalProps aPProps = aGProps.PrincipalProperties();
Standard_Real anIxx, anIyy, anIzz;
aPProps.Moments(anIxx, anIyy, anIzz);
Standard_Real aRxx, aRyy, aRzz;
aPProps.RadiusOfGyration(aRxx, aRyy, aRzz);
myResult << "Principal properties:" << std::endl
<< " Has symmetric axis : " << (aPProps.HasSymmetryAxis() ? "YES" : "NO") << std::endl
<< " Has symmetric point : " << (aPProps.HasSymmetryPoint() ? "YES" : "NO") << std::endl
<< " Moments of inertia = [ " << anIxx << ", " << anIyy << ", " << anIzz << " ]" << std::endl
<< " Radius of gyration = [ " << aRxx << ", " << aRyy << ", " << aRzz << " ]" << std::endl;
if (!aPProps.HasSymmetryPoint())
{
const gp_Vec& anAxis1 = aPProps.FirstAxisOfInertia();
myResult << " 1st axis of inertia = [ " << anAxis1.X() << ", " << anAxis1.Y() << ", " << anAxis1.Z() << " ]" << std::endl;
Handle(AIS_ColoredShape) anAisAxis1 = new AIS_ColoredShape(
BRepBuilderAPI_MakeEdge(aCOM, aCOM.XYZ() + anAxis1.XYZ()));
anAisAxis1->SetColor(Quantity_Color(Quantity_NOC_GREEN));
myObject3d.Append(anAisAxis1);
if (!aPProps.HasSymmetryPoint())
{
const gp_Vec& anAxis2 = aPProps.SecondAxisOfInertia();
myResult << " 2nd axis of inertia = [ " << anAxis2.X() << ", " << anAxis2.Y() << ", " << anAxis2.Z() << " ]" << std::endl;
Handle(AIS_ColoredShape) anAisAxis2 = new AIS_ColoredShape(
BRepBuilderAPI_MakeEdge(aCOM, aCOM.XYZ() + anAxis2.XYZ()));
anAisAxis2->SetColor(Quantity_Color(Quantity_NOC_GREEN));
myObject3d.Append(anAisAxis2);
const gp_Vec& anAxis3 = aPProps.ThirdAxisOfInertia();
myResult << " 3rd axis of inertia = [ " << anAxis3.X() << ", " << anAxis3.Y() << ", " << anAxis3.Z() << " ]" << std::endl;
Handle(AIS_ColoredShape) anAisAxis3 = new AIS_ColoredShape(
BRepBuilderAPI_MakeEdge(aCOM, aCOM.XYZ() + anAxis3.XYZ()));
anAisAxis3->SetColor(Quantity_Color(Quantity_NOC_GREEN));
myObject3d.Append(anAisAxis3);
}
}
Handle(AIS_ColoredShape) anAisShape = new AIS_ColoredShape(aShape);
Handle(AIS_Point) anAisCOM = new AIS_Point(new Geom_CartesianPoint(aCOM));
anAisShape->SetColor(Quantity_Color(Quantity_NOC_RED));
Handle(AIS_TextLabel) aCOMLabel = new AIS_TextLabel();
aCOMLabel->SetText("Center of mass");
aCOMLabel->SetPosition(aCOM);
Handle(AIS_Axis) anAisAxisX = new AIS_Axis(new Geom_Axis2Placement(gp::YOZ()), AIS_TOAX_XAxis);
Handle(AIS_Axis) anAisAxisY = new AIS_Axis(new Geom_Axis2Placement(gp::ZOX()), AIS_TOAX_YAxis);
Handle(AIS_Axis) anAisAxisZ = new AIS_Axis(new Geom_Axis2Placement(gp::XOY()), AIS_TOAX_ZAxis);
myObject3d.Append(anAisAxisX);
myObject3d.Append(anAisAxisY);
myObject3d.Append(anAisAxisZ);
myObject3d.Append(anAisShape);
myObject3d.Append(anAisCOM);
myObject3d.Append(aCOMLabel);
}
void TopologySamples::ComputeSurfaceProperties3dSample()
{
// Make a face from a cylinder with R = 1
// and directed along Z axis
gp_Cylinder aCyl(gp::XOY(), 1.0);
TopoDS_Face aShape = BRepBuilderAPI_MakeFace(aCyl, 0.0, M_PI, -1.0, +1.0).Face();
myResult << "TopoDS_Face on the cylinder R = " << aCyl.Radius() << std::endl
<< "with axis [ " << aCyl.Position().Direction().X() << ", " << aCyl.Position().Direction().Y() << ", " << aCyl.Position().Direction().Z() << " ]" << std::endl
<< "limited in length [-1 ... +1] was created in red" << std::endl;
// Retrieve surface properties from the face.
GProp_GProps aGProps;
BRepGProp::SurfaceProperties(aShape, aGProps);
Standard_Real aArea = aGProps.Mass();
gp_Pnt aCOM = aGProps.CentreOfMass();
Standard_Real anIx, anIy, anIz;
aGProps.StaticMoments(anIx, anIy, anIz);
gp_Mat aMOI = aGProps.MatrixOfInertia();
myResult << "Linear properties:" << std::endl
<< " Area = " << aArea << std::endl
<< " Center of mass = [ " << aCOM.X() << ", " << aCOM.Y() << ", " << aCOM.Z() << " ]" << std::endl
<< " Static moments = [ " << anIx << ", " << anIy << ", " << anIz << " ]" << std::endl
<< " Matrix of inertia = [ "
<< aMOI(1, 1) << ", " << aMOI(1, 2) << ", " << aMOI(1, 3) << std::endl
<< std::setw(33) << aMOI(2, 1) << ", " << aMOI(2, 2) << ", " << aMOI(2, 3) << std::endl
<< std::setw(33) << aMOI(3, 1) << ", " << aMOI(3, 2) << ", " << aMOI(3, 3) << " ]" << std::endl;
GProp_PrincipalProps aPProps = aGProps.PrincipalProperties();
Standard_Real anIxx, anIyy, anIzz;
aPProps.Moments(anIxx, anIyy, anIzz);
Standard_Real aRxx, aRyy, aRzz;
aPProps.RadiusOfGyration(aRxx, aRyy, aRzz);
myResult << "Principal properties:" << std::endl
<< " Has symmetric axis : " << (aPProps.HasSymmetryAxis() ? "YES" : "NO") << std::endl
<< " Has symmetric point : " << (aPProps.HasSymmetryPoint() ? "YES" : "NO") << std::endl
<< " Moments of inertia = [ " << anIxx << ", " << anIyy << ", " << anIzz << " ]" << std::endl
<< " Radius of gyration = [ " << aRxx << ", " << aRyy << ", " << aRzz << " ]" << std::endl;
if (!aPProps.HasSymmetryPoint())
{
const gp_Vec& anAxis1 = aPProps.FirstAxisOfInertia();
myResult << " 1st axis of inertia = [ " << anAxis1.X() << ", " << anAxis1.Y() << ", " << anAxis1.Z() << " ]" << std::endl;
Handle(AIS_ColoredShape) anAisAxis1 = new AIS_ColoredShape(
BRepBuilderAPI_MakeEdge(aCOM, aCOM.XYZ() + anAxis1.XYZ()));
anAisAxis1->SetColor(Quantity_Color(Quantity_NOC_GREEN));
myObject3d.Append(anAisAxis1);
if (!aPProps.HasSymmetryPoint())
{
const gp_Vec& anAxis2 = aPProps.SecondAxisOfInertia();
myResult << " 2nd axis of inertia = [ " << anAxis2.X() << ", " << anAxis2.Y() << ", " << anAxis2.Z() << " ]" << std::endl;
Handle(AIS_ColoredShape) anAisAxis2 = new AIS_ColoredShape(
BRepBuilderAPI_MakeEdge(aCOM, aCOM.XYZ() + anAxis2.XYZ()));
anAisAxis2->SetColor(Quantity_Color(Quantity_NOC_GREEN));
myObject3d.Append(anAisAxis2);
const gp_Vec& anAxis3 = aPProps.ThirdAxisOfInertia();
myResult << " 3rd axis of inertia = [ " << anAxis3.X() << ", " << anAxis3.Y() << ", " << anAxis3.Z() << " ]" << std::endl;
Handle(AIS_ColoredShape) anAisAxis3 = new AIS_ColoredShape(
BRepBuilderAPI_MakeEdge(aCOM, aCOM.XYZ() + anAxis3.XYZ()));
anAisAxis3->SetColor(Quantity_Color(Quantity_NOC_GREEN));
myObject3d.Append(anAisAxis3);
}
}
Handle(AIS_ColoredShape) anAisShape = new AIS_ColoredShape(aShape);
Handle(AIS_Point) anAisCOM = new AIS_Point(new Geom_CartesianPoint(aCOM));
anAisShape->SetColor(Quantity_Color(Quantity_NOC_RED));
Handle(AIS_TextLabel) aCOMLabel = new AIS_TextLabel();
aCOMLabel->SetText("Center of mass");
aCOMLabel->SetPosition(aCOM);
Handle(AIS_Axis) anAisAxisX = new AIS_Axis(new Geom_Axis2Placement(gp::YOZ()), AIS_TOAX_XAxis);
Handle(AIS_Axis) anAisAxisY = new AIS_Axis(new Geom_Axis2Placement(gp::ZOX()), AIS_TOAX_YAxis);
Handle(AIS_Axis) anAisAxisZ = new AIS_Axis(new Geom_Axis2Placement(gp::XOY()), AIS_TOAX_ZAxis);
myObject3d.Append(anAisAxisX);
myObject3d.Append(anAisAxisY);
myObject3d.Append(anAisAxisZ);
myObject3d.Append(anAisShape);
myObject3d.Append(anAisCOM);
myObject3d.Append(aCOMLabel);
}
void TopologySamples::ComputeVolumeProperties3dSample()
{
// Make a box by two points.
gp_Pnt aPnt1(-0.5, -0.6, -0.7);
gp_Pnt aPnt2(+0.8, +0.9, +1.0);
TopoDS_Shape aShape = BRepPrimAPI_MakeBox(aPnt1, aPnt2);
myResult << "Box with corners [" << aPnt1.X() << ", " << aPnt1.Y() << ", " << aPnt1.Z()
<< "] and [" << aPnt2.X() << ", " << aPnt2.Y() << ", " << aPnt2.Z()
<< "] was created in red" << std::endl;
// Retrieve volume properties from the face.
GProp_GProps aGProps;
BRepGProp::VolumeProperties(aShape, aGProps);
Standard_Real aVolume = aGProps.Mass();
gp_Pnt aCOM = aGProps.CentreOfMass();
Standard_Real anIx, anIy, anIz;
aGProps.StaticMoments(anIx, anIy, anIz);
gp_Mat aMOI = aGProps.MatrixOfInertia();
myResult << "Linear properties:" << std::endl
<< " Volume = " << aVolume << std::endl
<< " Center of mass = [ " << aCOM.X() << ", " << aCOM.Y() << ", " << aCOM.Z() << " ]" << std::endl
<< " Static moments = [ " << anIx << ", " << anIy << ", " << anIz << " ]" << std::endl
<< " Matrix of inertia = [ "
<< aMOI(1, 1) << ", " << aMOI(1, 2) << ", " << aMOI(1, 3) << std::endl
<< std::setw(33) << aMOI(2, 1) << ", " << aMOI(2, 2) << ", " << aMOI(2, 3) << std::endl
<< std::setw(33) << aMOI(3, 1) << ", " << aMOI(3, 2) << ", " << aMOI(3, 3) << " ]" << std::endl;
GProp_PrincipalProps aPProps = aGProps.PrincipalProperties();
Standard_Real anIxx, anIyy, anIzz;
aPProps.Moments(anIxx, anIyy, anIzz);
Standard_Real aRxx, aRyy, aRzz;
aPProps.RadiusOfGyration(aRxx, aRyy, aRzz);
myResult << "Principal properties:" << std::endl
<< " Has symmetric axis : " << (aPProps.HasSymmetryAxis() ? "YES" : "NO") << std::endl
<< " Has symmetric point : " << (aPProps.HasSymmetryPoint() ? "YES" : "NO") << std::endl
<< " Moments of inertia = [ " << anIxx << ", " << anIyy << ", " << anIzz << " ]" << std::endl
<< " Radius of gyration = [ " << aRxx << ", " << aRyy << ", " << aRzz << " ]" << std::endl;
if (!aPProps.HasSymmetryPoint())
{
const gp_Vec& anAxis1 = aPProps.FirstAxisOfInertia();
myResult << " 1st axis of inertia = [ " << anAxis1.X() << ", " << anAxis1.Y() << ", " << anAxis1.Z() << " ]" << std::endl;
Handle(AIS_ColoredShape) anAisAxis1 = new AIS_ColoredShape(
BRepBuilderAPI_MakeEdge(aCOM, aCOM.XYZ() + anAxis1.XYZ()));
anAisAxis1->SetColor(Quantity_Color(Quantity_NOC_GREEN));
myObject3d.Append(anAisAxis1);
if (!aPProps.HasSymmetryPoint())
{
const gp_Vec& anAxis2 = aPProps.SecondAxisOfInertia();
myResult << " 2nd axis of inertia = [ " << anAxis2.X() << ", " << anAxis2.Y() << ", " << anAxis2.Z() << " ]" << std::endl;
Handle(AIS_ColoredShape) anAisAxis2 = new AIS_ColoredShape(
BRepBuilderAPI_MakeEdge(aCOM, aCOM.XYZ() + anAxis2.XYZ()));
anAisAxis2->SetColor(Quantity_Color(Quantity_NOC_GREEN));
myObject3d.Append(anAisAxis2);
const gp_Vec& anAxis3 = aPProps.ThirdAxisOfInertia();
myResult << " 3rd axis of inertia = [ " << anAxis3.X() << ", " << anAxis3.Y() << ", " << anAxis3.Z() << " ]" << std::endl;
Handle(AIS_ColoredShape) anAisAxis3 = new AIS_ColoredShape(
BRepBuilderAPI_MakeEdge(aCOM, aCOM.XYZ() + anAxis3.XYZ()));
anAisAxis3->SetColor(Quantity_Color(Quantity_NOC_GREEN));
myObject3d.Append(anAisAxis3);
}
}
Handle(AIS_ColoredShape) anAisShape = new AIS_ColoredShape(aShape);
Handle(AIS_Point) anAisCOM = new AIS_Point(new Geom_CartesianPoint(aCOM));
anAisShape->SetColor(Quantity_Color(Quantity_NOC_RED));
Handle(AIS_TextLabel) aCOMLabel = new AIS_TextLabel();
aCOMLabel->SetText("Center of mass");
aCOMLabel->SetPosition(aCOM);
Handle(AIS_Axis) anAisAxisX = new AIS_Axis(new Geom_Axis2Placement(gp::YOZ()), AIS_TOAX_XAxis);
Handle(AIS_Axis) anAisAxisY = new AIS_Axis(new Geom_Axis2Placement(gp::ZOX()), AIS_TOAX_YAxis);
Handle(AIS_Axis) anAisAxisZ = new AIS_Axis(new Geom_Axis2Placement(gp::XOY()), AIS_TOAX_ZAxis);
myObject3d.Append(anAisAxisX);
myObject3d.Append(anAisAxisY);
myObject3d.Append(anAisAxisZ);
myObject3d.Append(anAisShape);
myObject3d.Append(anAisCOM);
myObject3d.Append(aCOMLabel);
}