[bos #36177] [FORUM] - Remove extra-edge on hemisphere

This commit is contained in:
jfa 2023-08-17 22:17:57 +01:00
parent d07da73210
commit 071708e71c
7 changed files with 329 additions and 354 deletions

View File

@ -23,7 +23,7 @@
\until id_Orientation
\anchor swig_MakeCommon
\until id_Section
\until id_Fuse2
\anchor swig_Partition
\until id_Partition
@ -47,7 +47,7 @@
\until id_MakeBlockExplode
\anchor swig_CheckCompoundOfBlocks
\until The Box is VALID
\until VALID Blocks Compound
\anchor swig_GetSame
\until id_Cone_ss
@ -68,7 +68,7 @@
\until Now contains
\anchor swig_GetObjectIDs
\until print(" ", ObjectID)
\until sorted
\anchor swig_GetMainShape
\until BoxCopy
@ -77,16 +77,18 @@
\until Now contains
\anchor swig_UnionIDs
\until print(" ", ObjectID)
\until sorted
\anchor swig_bop_on_groups
\until Box, Group_CL_2_4
\anchor swig_GetType
\until Type of elements
\until assert
\until freeFaces, "freeFaces"
\until Solid_1 = geompy.MakeSolid
\anchor swig_RemoveExtraEdges
\until "freeFacesWithoutExtra"
@ -100,7 +102,7 @@
\until subBlackWhite[1]
\anchor swig_CheckAndImprove
\until "blocksComp"
\until "CheckCompoundOfBlocks"
\anchor swig_Propagate
\until "propagation chain"

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@ -201,27 +201,29 @@ static void FixResult(const TopoDS_Shape& result,
//purpose :
//=======================================================================
TopoDS_Shape BlockFix::RotateSphereSpace (const TopoDS_Shape& S,
const Standard_Real Tol)
const Standard_Real Tol,
const Standard_Boolean theTrySmallRotation)
{
// Create a modification description
Handle(BlockFix_SphereSpaceModifier) SR = new BlockFix_SphereSpaceModifier;
SR->SetTolerance(Tol);
SR->SetTrySmallRotation(theTrySmallRotation);
TopTools_DataMapOfShapeShape context;
BRepTools_Modifier MD;
TopoDS_Shape result = ShapeCustom::ApplyModifier ( S, SR, context,MD );
TopoDS_Shape result = ShapeCustom::ApplyModifier ( S, SR, context, MD );
Handle(ShapeBuild_ReShape) RS = new ShapeBuild_ReShape;
FixResult(result,RS,Tol);
result = RS->Apply(result);
ShapeFix_Edge sfe;
for(TopExp_Explorer exp(result,TopAbs_EDGE); exp.More(); exp.Next()) {
for (TopExp_Explorer exp (result, TopAbs_EDGE); exp.More(); exp.Next()) {
TopoDS_Edge E = TopoDS::Edge(exp.Current());
sfe.FixVertexTolerance (E);
}
ShapeFix::SameParameter(result,Standard_False);
ShapeFix::SameParameter(result, Standard_False);
return result;
}

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@ -39,7 +39,10 @@ class BlockFix_CheckTool;
class BlockFix {
public:
Standard_EXPORT static TopoDS_Shape RotateSphereSpace(const TopoDS_Shape& S,const Standard_Real Tol);
Standard_EXPORT static TopoDS_Shape RotateSphereSpace
(const TopoDS_Shape& S,
const Standard_Real Tol,
const Standard_Boolean theTrySmallRotation = Standard_True);
Standard_EXPORT static TopoDS_Shape RefillProblemFaces(const TopoDS_Shape& S);
Standard_EXPORT static TopoDS_Shape FixRanges(const TopoDS_Shape& S,const Standard_Real Tol);

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@ -36,6 +36,10 @@
#include <Precision.hxx>
#include <BRepTools.hxx>
#include <BRepBuilderAPI_Copy.hxx>
#include <BRepCheck_Analyzer.hxx>
#include <Basics_OCCTVersion.hxx>
IMPLEMENT_STANDARD_RTTIEXT(BlockFix_BlockFixAPI, Standard_Transient)
@ -64,7 +68,22 @@ void BlockFix_BlockFixAPI::Perform()
{
// processing spheres with degenerativities
TopoDS_Shape aShape = Shape();
myShape = BlockFix::RotateSphereSpace(aShape,myTolerance);
// Copy the shape to avoid modification of initial shape
// while trying the approach with small rotation
BRepBuilderAPI_Copy aMC (aShape);
if (!aMC.IsDone()) return;
TopoDS_Shape aSCopy = aMC.Shape();
TopoDS_Shape aNewShape = BlockFix::RotateSphereSpace(aSCopy, myTolerance, Standard_True);
BRepCheck_Analyzer ana (aNewShape, false);
if (ana.IsValid()) {
if (aNewShape == aSCopy)
myShape = aShape;
else
myShape = aNewShape;
}
else {
myShape = BlockFix::RotateSphereSpace(aShape, myTolerance, Standard_False);
}
// try to approximate non-canonic surfaces
// with singularities on boundaries by filling

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@ -38,18 +38,21 @@
#include <TopoDS_Vertex.hxx>
#include <TopoDS_Iterator.hxx>
#include <BRepGProp.hxx>
#include <GProp_GProps.hxx>
#include <BRep_Tool.hxx>
#include <BRep_Builder.hxx>
#include <BRepTools.hxx>
#include <BRepAdaptor_Curve2d.hxx>
#include <BRepTopAdaptor_FClass2d.hxx>
#include <BRepClass_FaceClassifier.hxx>
#include <ElSLib.hxx>
#include <Geom_Circle.hxx>
#include <Geom_TrimmedCurve.hxx>
#include <Geom_SphericalSurface.hxx>
#include <Geom_RectangularTrimmedSurface.hxx>
#include <Geom_Curve.hxx>
#include <Geom_Surface.hxx>
@ -65,6 +68,8 @@ IMPLEMENT_STANDARD_RTTIEXT(BlockFix_SphereSpaceModifier, BRepTools_Modification)
//purpose :
//=======================================================================
BlockFix_SphereSpaceModifier::BlockFix_SphereSpaceModifier()
: myTolerance(Precision::Confusion()),
mySmallRotation(Standard_True)
{
myMapOfFaces.Clear();
myMapOfSpheres.Clear();
@ -85,19 +90,24 @@ void BlockFix_SphereSpaceModifier::SetTolerance(const Standard_Real Tol)
myTolerance = Tol;
}
//=======================================================================
//function : SetTrySmallRotation
//purpose :
//=======================================================================
void BlockFix_SphereSpaceModifier::SetTrySmallRotation(const Standard_Boolean isSmallRotation)
{
mySmallRotation = isSmallRotation;
}
//=======================================================================
//function : NewSurface
//purpose :
//=======================================================================
static Standard_Boolean ModifySurface(const TopoDS_Face& theFace,
const Handle(Geom_Surface)& theSurface,
Handle(Geom_Surface)& theNewSurface)
Handle(Geom_Surface)& theNewSurface,
const Standard_Boolean theTrySmallRotation)
{
TopoDS_Face aFace = theFace;
aFace.Orientation (TopAbs_FORWARD);
Handle(Geom_Surface) aNewSurface;
Handle(Geom_Surface) aSurf = theSurface;
if (aSurf->IsKind(STANDARD_TYPE(Geom_RectangularTrimmedSurface))) {
Handle(Geom_RectangularTrimmedSurface) RTS =
@ -105,142 +115,189 @@ static Standard_Boolean ModifySurface(const TopoDS_Face& theFace,
aSurf = RTS->BasisSurface();
}
if (aSurf->IsKind(STANDARD_TYPE(Geom_SphericalSurface))) {
Standard_Real Umin, Umax, Vmin, Vmax;
BRepTools::UVBounds(aFace, Umin, Umax, Vmin, Vmax);
Standard_Real PI2 = M_PI/2.;
Handle(Geom_SphericalSurface) aSphere = Handle(Geom_SphericalSurface)::DownCast(aSurf);
gp_Sphere sp = aSphere->Sphere();
Standard_Real Radius = sp.Radius();
gp_Ax3 ax3 = sp.Position();
gp_Pnt aCentre = sp.Location();
TopoDS_Wire aWire = BRepTools::OuterWire (aFace);
BRepTopAdaptor_FClass2d aClassifier (aFace, Precision::PConfusion());
TopTools_MapOfShape aEmap;
const Standard_Real anOffsetValue = 0.01*M_PI;
for (Standard_Integer ii = 1; ii <= 2; ii++)
{
TopoDS_Iterator itw (aWire);
for (; itw.More(); itw.Next())
{
const TopoDS_Edge& anEdge = TopoDS::Edge (itw.Value());
if (aEmap.Contains (anEdge) ||
anEdge.Orientation() == TopAbs_INTERNAL ||
anEdge.Orientation() == TopAbs_EXTERNAL ||
BRep_Tool::Degenerated (anEdge) ||
BRepTools::IsReallyClosed (anEdge, aFace))
continue;
BRepAdaptor_Curve2d aBAcurve2d (anEdge, aFace);
GeomAbs_CurveType aType = aBAcurve2d.GetType();
if (ii == 1 && aType == GeomAbs_Line) //first pass: consider only curvilinear edges
continue;
Standard_Real aMidPar = (aBAcurve2d.FirstParameter() + aBAcurve2d.LastParameter())/2;
gp_Pnt2d aMidP2d;
gp_Vec2d aTangent;
aBAcurve2d.D1 (aMidPar, aMidP2d, aTangent);
if (anEdge.Orientation() == TopAbs_REVERSED)
aTangent.Reverse();
aTangent.Normalize();
gp_Vec2d aNormal (aTangent.Y(), -aTangent.X());
aNormal *= anOffsetValue;
gp_Pnt2d anUpperPole = aMidP2d.Translated (aNormal);
if (anUpperPole.Y() < -PI2 || anUpperPole.Y() > PI2)
{
aEmap.Add(anEdge);
continue;
}
if (anUpperPole.X() < 0.)
anUpperPole.SetX (anUpperPole.X() + 2.*M_PI);
else if (anUpperPole.X() > 2.*M_PI)
anUpperPole.SetX (anUpperPole.X() - 2.*M_PI);
TopAbs_State aStatus = aClassifier.Perform (anUpperPole);
if (aStatus != TopAbs_OUT)
{
aEmap.Add(anEdge);
continue;
}
gp_Pnt anUpperPole3d = aSphere->Value (anUpperPole.X(), anUpperPole.Y());
gp_Vec aVec (aCentre, anUpperPole3d);
aVec.Reverse();
gp_Pnt aLowerPole3d = aCentre.Translated (aVec);
Standard_Real aU, aV;
ElSLib::Parameters (sp, aLowerPole3d, aU, aV);
gp_Pnt2d aLowerPole (aU, aV);
aStatus = aClassifier.Perform (aLowerPole);
if (aStatus != TopAbs_OUT)
{
aEmap.Add(anEdge);
continue;
}
//Build a meridian
gp_Vec anUp (aCentre, anUpperPole3d);
anUp.Normalize();
gp_Pnt aMidPnt = aSphere->Value (aMidP2d.X(), aMidP2d.Y());
gp_Vec aMidOnEdge (aCentre, aMidPnt);
aMidOnEdge.Normalize();
gp_Vec AxisOfCircle = anUp ^ aMidOnEdge;
gp_Vec XDirOfCircle = anUp ^ AxisOfCircle;
gp_Ax2 anAxis (aCentre, AxisOfCircle, XDirOfCircle);
Handle(Geom_Circle) aCircle = new Geom_Circle (anAxis, Radius);
Handle(Geom_TrimmedCurve) aMeridian = new Geom_TrimmedCurve (aCircle, -PI2, PI2);
//Check the meridian
Standard_Boolean IsInnerPointFound = Standard_False;
Standard_Integer NbSamples = 10;
Standard_Real aDelta = M_PI / NbSamples;
for (Standard_Integer jj = 1; jj < NbSamples; jj++)
{
Standard_Real aParam = -PI2 + jj*aDelta;
gp_Pnt aPnt = aMeridian->Value (aParam);
ElSLib::Parameters (sp, aPnt, aU, aV);
gp_Pnt2d aP2d (aU, aV);
aStatus = aClassifier.Perform (aP2d);
if (aStatus != TopAbs_OUT)
{
IsInnerPointFound = Standard_True;
break;
}
}
if (IsInnerPointFound)
{
aEmap.Add(anEdge);
continue;
}
gp_Ax3 anAxisOfNewSphere (aCentre, anUp, XDirOfCircle);
aNewSurface = new Geom_SphericalSurface (anAxisOfNewSphere, Radius);
break;
} //for (; itw.More(); itw.Next()) (iteration on outer wire)
if (!aNewSurface.IsNull())
break;
} //for (Standard_Integer ii = 1; ii <= 2; ii++) (two passes)
}
if (aNewSurface.IsNull())
if (!aSurf->IsKind(STANDARD_TYPE(Geom_SphericalSurface)))
return Standard_False;
theNewSurface = aNewSurface;
return Standard_True;
Standard_Real PI2 = M_PI/2.;
Handle(Geom_SphericalSurface) aSphere = Handle(Geom_SphericalSurface)::DownCast(aSurf);
gp_Sphere sp = aSphere->Sphere();
Standard_Real Radius = sp.Radius();
Standard_Real Umin, Umax, Vmin, Vmax;
// try with small rotation (old implementation, giving better result in some cases
if (theTrySmallRotation) {
BRepTools::UVBounds(theFace, Umin, Umax, Vmin, Vmax);
if (Vmax > PI2 - Precision::PConfusion() || Vmin < -PI2 + Precision::PConfusion()) {
//modified by jgv, 12.11.2012 for issue 21777//
Standard_Real HalfArea = 2.*M_PI*Radius*Radius;
GProp_GProps Properties;
BRepGProp::SurfaceProperties(theFace, Properties);
Standard_Real anArea = Properties.Mass();
Standard_Real AreaTol = Radius*Radius*1.e-6;
if (anArea < HalfArea - AreaTol) { // a chance to avoid singularity
gp_Ax3 ax3 = sp.Position();
if (Abs(Vmax-Vmin) < PI2) {
gp_Ax3 axnew3 (ax3.Axis().Location(), ax3.Direction()^ax3.XDirection(), ax3.XDirection());
sp.SetPosition(axnew3);
Handle(Geom_SphericalSurface) aNewSphere = new Geom_SphericalSurface(sp);
theNewSurface = aNewSphere;
return Standard_True;
}
else {
gp_Pnt PC = ax3.Location();
Standard_Real Vpar;
if (fabs(PI2-Vmax) > fabs(-PI2-Vmin))
Vpar = (PI2+Vmax)/2.;
else
Vpar = (-PI2+Vmin)/2.;
Standard_Real Upar = (Umin+Umax)/2.;
gp_Pnt PN,PX;
aSurf->D0(Upar,Vpar,PN);
aSurf->D0(Upar+PI2,0.,PX);
gp_Dir newNorm(gp_Vec(PC,PN));
gp_Dir newDirX(gp_Vec(PC,PX));
gp_Ax3 axnew3(ax3.Axis().Location(), newNorm, newDirX);
sp.SetPosition(axnew3);
// check if both new poles are outside theFace
gp_Pnt LP; // lowest pole (opposite to PN)
aSurf->D0(Upar + M_PI, -Vpar, LP);
BRepClass_FaceClassifier aClsf (theFace, LP, Precision::PConfusion());
if (aClsf.State() != TopAbs_IN && aClsf.State() != TopAbs_ON) {
Handle(Geom_SphericalSurface) aNewSphere = new Geom_SphericalSurface(sp);
theNewSurface = aNewSphere;
return Standard_True;
}
}
}
}
else {
// no rotation needed
return Standard_False;
}
}
// try with big rotation (new implementation)
TopoDS_Face aFace = theFace;
aFace.Orientation (TopAbs_FORWARD);
BRepTools::UVBounds(aFace, Umin, Umax, Vmin, Vmax);
gp_Pnt aCentre = sp.Location();
TopoDS_Wire aWire = BRepTools::OuterWire (aFace);
BRepTopAdaptor_FClass2d aClassifier (aFace, Precision::PConfusion());
TopTools_MapOfShape aEmap;
const Standard_Real anOffsetValue = 0.01*M_PI;
for (Standard_Integer ii = 1; ii <= 2; ii++) {
TopoDS_Iterator itw (aWire);
for (; itw.More(); itw.Next()) {
const TopoDS_Edge& anEdge = TopoDS::Edge (itw.Value());
if (aEmap.Contains (anEdge) ||
anEdge.Orientation() == TopAbs_INTERNAL ||
anEdge.Orientation() == TopAbs_EXTERNAL ||
BRep_Tool::Degenerated (anEdge) ||
BRepTools::IsReallyClosed (anEdge, aFace))
continue;
BRepAdaptor_Curve2d aBAcurve2d (anEdge, aFace);
GeomAbs_CurveType aType = aBAcurve2d.GetType();
if (ii == 1 && aType == GeomAbs_Line) //first pass: consider only curvilinear edges
continue;
Standard_Real aMidPar = (aBAcurve2d.FirstParameter() + aBAcurve2d.LastParameter())/2;
gp_Pnt2d aMidP2d;
gp_Vec2d aTangent;
aBAcurve2d.D1 (aMidPar, aMidP2d, aTangent);
if (anEdge.Orientation() == TopAbs_REVERSED)
aTangent.Reverse();
aTangent.Normalize();
gp_Vec2d aNormal (aTangent.Y(), -aTangent.X());
aNormal *= anOffsetValue;
gp_Pnt2d anUpperPole = aMidP2d.Translated (aNormal);
if (anUpperPole.Y() < -PI2 || anUpperPole.Y() > PI2) {
aEmap.Add(anEdge);
continue;
}
if (anUpperPole.X() < 0.)
anUpperPole.SetX (anUpperPole.X() + 2.*M_PI);
else if (anUpperPole.X() > 2.*M_PI)
anUpperPole.SetX (anUpperPole.X() - 2.*M_PI);
TopAbs_State aStatus = aClassifier.Perform (anUpperPole);
if (aStatus != TopAbs_OUT) {
aEmap.Add(anEdge);
continue;
}
gp_Pnt anUpperPole3d = aSphere->Value (anUpperPole.X(), anUpperPole.Y());
gp_Vec aVec (aCentre, anUpperPole3d);
aVec.Reverse();
gp_Pnt aLowerPole3d = aCentre.Translated (aVec);
Standard_Real aU, aV;
ElSLib::Parameters (sp, aLowerPole3d, aU, aV);
gp_Pnt2d aLowerPole (aU, aV);
aStatus = aClassifier.Perform (aLowerPole);
if (aStatus != TopAbs_OUT) {
aEmap.Add(anEdge);
continue;
}
//Build a meridian
gp_Vec anUp (aCentre, anUpperPole3d);
anUp.Normalize();
gp_Pnt aMidPnt = aSphere->Value (aMidP2d.X(), aMidP2d.Y());
gp_Vec aMidOnEdge (aCentre, aMidPnt);
aMidOnEdge.Normalize();
gp_Vec AxisOfCircle = anUp ^ aMidOnEdge;
gp_Vec XDirOfCircle = anUp ^ AxisOfCircle;
gp_Ax2 anAxis (aCentre, AxisOfCircle, XDirOfCircle);
Handle(Geom_Circle) aCircle = new Geom_Circle (anAxis, Radius);
Handle(Geom_TrimmedCurve) aMeridian = new Geom_TrimmedCurve (aCircle, -PI2, PI2);
//Check the meridian
Standard_Boolean IsInnerPointFound = Standard_False;
Standard_Integer NbSamples = 10;
Standard_Real aDelta = M_PI / NbSamples;
for (Standard_Integer jj = 1; jj < NbSamples; jj++) {
Standard_Real aParam = -PI2 + jj*aDelta;
gp_Pnt aPnt = aMeridian->Value (aParam);
ElSLib::Parameters (sp, aPnt, aU, aV);
gp_Pnt2d aP2d (aU, aV);
aStatus = aClassifier.Perform (aP2d);
if (aStatus != TopAbs_OUT) {
IsInnerPointFound = Standard_True;
break;
}
}
if (IsInnerPointFound) {
aEmap.Add(anEdge);
continue;
}
gp_Ax3 anAxisOfNewSphere (aCentre, anUp, XDirOfCircle);
theNewSurface = new Geom_SphericalSurface (anAxisOfNewSphere, Radius);
break;
} //for (; itw.More(); itw.Next()) (iteration on outer wire)
if (!theNewSurface.IsNull())
break;
} //for (Standard_Integer ii = 1; ii <= 2; ii++) (two passes)
return (!theNewSurface.IsNull());
}
Standard_Boolean BlockFix_SphereSpaceModifier::NewSurface(const TopoDS_Face& F,
Handle(Geom_Surface)& S,
TopLoc_Location& L,Standard_Real& Tol,
Standard_Boolean& RevWires,
Standard_Boolean& RevFace)
Handle(Geom_Surface)& S,
TopLoc_Location& L,
Standard_Real& Tol,
Standard_Boolean& RevWires,
Standard_Boolean& RevFace)
{
TopLoc_Location LS;
Handle(Geom_Surface) SIni = BRep_Tool::Surface(F, LS);
//check if pole of the sphere in the parametric space
if(ModifySurface(F, SIni, S)) {
if (ModifySurface(F, SIni, S, mySmallRotation)) {
RevWires = Standard_False;
RevFace = Standard_False;

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@ -51,6 +51,8 @@ public:
Standard_EXPORT ~BlockFix_SphereSpaceModifier();
Standard_EXPORT void SetTolerance (const Standard_Real Toler);
Standard_EXPORT void SetTrySmallRotation (const Standard_Boolean isSmallRotation);
Standard_EXPORT Standard_Boolean NewSurface (const TopoDS_Face& F, Handle(Geom_Surface)& S,
TopLoc_Location& L, Standard_Real& Tol,
Standard_Boolean& RevWires, Standard_Boolean& RevFace);
@ -72,6 +74,7 @@ public:
private:
Standard_Real myTolerance;
Standard_Boolean mySmallRotation;
TopTools_DataMapOfShapeInteger myMapOfFaces;
TColStd_IndexedMapOfTransient myMapOfSpheres;

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@ -25,84 +25,49 @@
# Module : GEOM
#
# ! Please, if you edit this example file, update also
# ! GEOM_SRC/doc/salome/gui/GEOM/input/tui_test_others.doc
# ! GEOM/doc/salome/gui/GEOM/input/tui_test_others.doc
# ! as some sequences of symbols from this example are used during
# ! documentation generation to identify certain places of this file
import os
import GEOM
import tempfile
def TestExportImport (geompy, shape):
print("Test Export/Import ...", end=' ')
tmpDir = os.getenv("TEMP")
if tmpDir == None:
tmpDir = "/tmp"
with tempfile.TemporaryDirectory() as tmpDir:
# Files for Export/Import testing
fileExportImportBREP = os.path.join(tmpDir, "testExportImportBREP.brep")
fileExportImportIGES = os.path.join(tmpDir, "testExportImportIGES.iges")
fileExportImportSTEP = os.path.join(tmpDir, "testExportImportSTEP.step")
# Files for Export/Import testing
fileExportImport = tmpDir + "/testExportImport.brep"
fileExportImportBREP = tmpDir + "/testExportImportBREP.brep"
fileExportImportIGES = tmpDir + "/testExportImportIGES.iges"
fileExportImportSTEP = tmpDir + "/testExportImportSTEP.step"
# ExportBREP, ExportIGES, ExportSTEP
geompy.ExportBREP(shape, fileExportImportBREP)
geompy.ExportIGES(shape, fileExportImportIGES)
geompy.ExportSTEP(shape, fileExportImportSTEP)
if os.access(fileExportImport, os.F_OK):
if os.access(fileExportImport, os.W_OK):
os.remove(fileExportImport)
else:
fileExportImport = tmpDir + "/testExportImport1.brep"
# ImportBREP, ImportIGES, ImportSTEP
ImportBREP = geompy.ImportBREP(fileExportImportBREP)
ImportIGES = geompy.ImportIGES(fileExportImportIGES)
ImportSTEP = geompy.ImportSTEP(fileExportImportSTEP)
if os.access(fileExportImportBREP, os.W_OK):
os.remove(fileExportImportBREP)
else:
fileExportImportBREP = tmpDir + "/testExportImportBREP1.brep"
geompy.addToStudy(ImportBREP, "ImportBREP")
geompy.addToStudy(ImportIGES, "ImportIGES")
geompy.addToStudy(ImportSTEP, "ImportSTEP")
if os.access(fileExportImportIGES, os.W_OK):
os.remove(fileExportImportIGES)
else:
fileExportImportIGES = tmpDir + "/testExportImportIGES1.iges"
# GetIGESUnit and GetSTEPUnit
if geompy.GetIGESUnit(fileExportImportIGES) != "M":
ImportIGES_scaled = geompy.ImportIGES(fileExportImportIGES, True)
geompy.addToStudy(ImportIGES_scaled, "ImportIGES_scaled")
pass
if os.access(fileExportImportSTEP, os.W_OK):
os.remove(fileExportImportSTEP)
else:
fileExportImportSTEP = tmpDir + "/testExportImportSTEP1.step"
# Export
geompy.Export(shape, fileExportImport, "BREP")
# ExportBREP, ExportIGES, ExportSTEP
geompy.ExportBREP(shape, fileExportImportBREP)
geompy.ExportIGES(shape, fileExportImportIGES)
geompy.ExportSTEP(shape, fileExportImportSTEP)
# Import
Import = geompy.ImportFile(fileExportImport, "BREP")
geompy.addToStudy(Import, "Import")
# ImportBREP, ImportIGES, ImportSTEP
ImportBREP = geompy.ImportBREP(fileExportImportBREP)
ImportIGES = geompy.ImportIGES(fileExportImportIGES)
ImportSTEP = geompy.ImportSTEP(fileExportImportSTEP)
geompy.addToStudy(ImportBREP, "ImportBREP")
geompy.addToStudy(ImportIGES, "ImportIGES")
geompy.addToStudy(ImportSTEP, "ImportSTEP")
# GetIGESUnit and GetSTEPUnit
if geompy.GetIGESUnit(fileExportImportIGES) != "M":
ImportIGES_scaled = geompy.ImportIGES(fileExportImportIGES, True)
geompy.addToStudy(ImportIGES_scaled, "ImportIGES_scaled")
if geompy.GetSTEPUnit(fileExportImportSTEP) != "M":
ImportSTEP_scaled = geompy.ImportSTEP(fileExportImportSTEP, True)
geompy.addToStudy(ImportSTEP_scaled, "ImportSTEP_scaled")
# Remove files for Export/Import testing
os.remove(fileExportImport)
os.remove(fileExportImportBREP)
os.remove(fileExportImportIGES)
os.remove(fileExportImportSTEP)
if geompy.GetSTEPUnit(fileExportImportSTEP) != "M":
ImportSTEP_scaled = geompy.ImportSTEP(fileExportImportSTEP, True)
geompy.addToStudy(ImportSTEP_scaled, "ImportSTEP_scaled")
pass
pass
# Test RestoreShape from binary BRep stream
aStream = shape.GetShapeStream()
@ -191,7 +156,6 @@ def TestOtherOperations (geompy, math):
p100 = geompy.MakeVertex(100, 100, 100)
p300 = geompy.MakeVertex(300, 300, 300)
Box1 = geompy.MakeBoxTwoPnt(p100, p300)
#Partition = geompy.Partition([Box], [Box1], [], [Box])
Partition = geompy.Partition([Box], [Box1])
id_Partition = geompy.addToStudy(Partition, "Partition of Box by Box1")
@ -238,20 +202,14 @@ def TestOtherOperations (geompy, math):
# NumberOf
NumberOfFaces = geompy.NumberOfFaces(Box)
if NumberOfFaces != 6:
print("Bad number of faces in BOX!")
NumberOfEdges = geompy.NumberOfEdges(Box)
if NumberOfEdges != 12:
print("Bad number of edges in BOX!")
NumberOfSolids = geompy.NumberOfSolids(Box)
if NumberOfSolids != 1:
print("Bad number of solids in BOX!")
NumberOfShapes = geompy.NumberOfSubShapes(Box, geompy.ShapeType["SHAPE"])
if NumberOfShapes != 34:
print("Bad number of shapes in BOX!")
assert (NumberOfFaces == 6), "Bad number of faces in BOX!"
assert (NumberOfEdges == 12), "Bad number of edges in BOX!"
assert (NumberOfSolids == 1), "Bad number of solids in BOX!"
assert (NumberOfShapes == 34), "Bad number of shapes in BOX!"
# MakeBlockExplode
Compound = geompy.MakeCompound([Box, Sphere])
@ -270,24 +228,20 @@ def TestOtherOperations (geompy, math):
Cyl = geompy.MakeCylinderRH(50, 300)
Cone = geompy.MakeConeR1R2H(150, 10, 400)
Compound1 = geompy.MakeCompound([Box, Cyl, Cone, Box3, Box2])
Compound1 = geompy.MakeCompound([Box, Cyl, Cone, Box3, Box2], "Compound1")
print("Printing errors of not valid Blocks Compound (EXPECTED):")
IsValid = geompy.CheckCompoundOfBlocks(Compound1)
if IsValid == 0:
print("The Blocks Compound is NOT VALID")
(NonBlocks, NonQuads) = geompy.GetNonBlocks(Compound1)
if NonBlocks is not None:
geompy.addToStudyInFather(Compound1, NonBlocks, "Group of non-hexahedral solids")
if NonQuads is not None:
geompy.addToStudyInFather(Compound1, NonQuads, "Group of non-quadrangular faces")
else:
print("The Blocks Compound is VALID")
# This Blocks Compound is NOT VALID
assert (not IsValid)
(NonBlocks, NonQuads) = geompy.GetNonBlocks(Compound1)
if NonBlocks is not None:
geompy.addToStudyInFather(Compound1, NonBlocks, "Group of non-hexahedral solids")
if NonQuads is not None:
geompy.addToStudyInFather(Compound1, NonQuads, "Group of non-quadrangular faces")
IsValid = geompy.CheckCompoundOfBlocks(Box)
if IsValid == 0:
print("The Box is NOT VALID")
else:
print("The Box is VALID")
assert (IsValid) # Box is a VALID Blocks Compound
# GetSame
Cone_ss = geompy.GetSame(Compound1, Cone)
@ -324,11 +278,7 @@ def TestOtherOperations (geompy, math):
# GetObjectIDs
GetObjectIDs = geompy.GetObjectIDs(CreateGroup)
print("Group of Box's faces includes the following IDs:")
print("(must be ", f_ind_6, ", ", f_ind_3, " and ", f_ind_5, ")")
for ObjectID in GetObjectIDs:
print(" ", ObjectID)
assert (sorted(GetObjectIDs) == sorted([f_ind_6, f_ind_3, f_ind_5]))
# GetMainShape
BoxCopy = geompy.GetMainShape(CreateGroup)
@ -343,10 +293,7 @@ def TestOtherOperations (geompy, math):
# Check
GetObjectIDs = geompy.GetObjectIDs(CreateGroup)
print("Group of Box's faces includes the following IDs:")
print("(must be ", f_ind_6, ", ", f_ind_1, " and ", f_ind_2, ")")
for ObjectID in GetObjectIDs:
print(" ", ObjectID)
assert (sorted(GetObjectIDs) == sorted([f_ind_6, f_ind_1, f_ind_2]))
# Boolean Operations on Groups (Union, Intersection, Cut)
Group_1 = geompy.CreateGroup(Box, geompy.ShapeType["FACE"])
@ -384,16 +331,10 @@ def TestOtherOperations (geompy, math):
geompy.addToStudyInFather(Box, Group_C_2_4, 'Group_C_2_4')
geompy.addToStudyInFather(Box, Group_CL_2_4, 'Group_CL_2_4')
# -----------------------------------------------------------------------------
# enumeration ShapeTypeString as a dictionary
# -----------------------------------------------------------------------------
ShapeTypeString = {'0':"COMPOUND", '1':"COMPSOLID", '2':"SOLID", '3':"SHELL",
'4':"FACE", '5':"WIRE", '6':"EDGE", '7':"VERTEX", '8':"SHAPE"}
GroupType = geompy.GetType(CreateGroup)
print("Type of elements of the created group is ", ShapeTypeString[repr(GroupType)])
assert (GroupType == geompy.ShapeType["FACE"])
# Prepare data for the following operations
# Example of sphere partitioning into hexahedral blocks
p0 = geompy.MakeVertex(0, 0, 0)
b0 = geompy.MakeBox(-50, -50, -50, 50, 50, 50)
s0 = geompy.MakeSphereR(100)
@ -402,88 +343,55 @@ def TestOtherOperations (geompy, math):
id_s0 = geompy.addToStudy(s0, "s0")
v_0pp = geompy.MakeVectorDXDYDZ( 0, 1, 1)
#v_0np = geompy.MakeVectorDXDYDZ( 0, -1, 1)
v_0np = geompy.MakeVectorDXDYDZ( 0, -1, 1)
v_p0p = geompy.MakeVectorDXDYDZ( 1, 0, 1)
v_p0n = geompy.MakeVectorDXDYDZ(1, 0, -1)
v_p0n = geompy.MakeVectorDXDYDZ( 1, 0, -1)
v_pp0 = geompy.MakeVectorDXDYDZ( 1, 1, 0)
v_pn0 = geompy.MakeVectorDXDYDZ(1, -1, 0)
v_pn0 = geompy.MakeVectorDXDYDZ( 1, -1, 0)
#pln_0pp = geompy.MakePlane(p0, v_0pp, 300)
#pln_0np = geompy.MakePlane(p0, v_0np, 300)
pln_0pp = geompy.MakePlane(p0, v_0pp, 300)
pln_0np = geompy.MakePlane(p0, v_0np, 300)
pln_p0p = geompy.MakePlane(p0, v_p0p, 300)
pln_p0n = geompy.MakePlane(p0, v_p0n, 300)
pln_pp0 = geompy.MakePlane(p0, v_pp0, 300)
pln_pn0 = geompy.MakePlane(p0, v_pn0, 300)
#
#part_objs = [b0, pln_0pp, pln_0np, pln_p0p, pln_n0p, pln_pp0, pln_np0]
#part_tool_1 = geompy.MakePartition(part_objs, [], [], [b0])
#part_tool_1 = geompy.MakePartition(part_objs)
#
#id_part_tool_1 = geompy.addToStudy(part_tool_1, "part_tool_1")
#
#pt_pnt_1 = geompy.MakeVertex( 55, 0, 55)
#pt_pnt_2 = geompy.MakeVertex( 0, 55, 55)
#pt_pnt_3 = geompy.MakeVertex(-55, 0, 55)
#pt_pnt_4 = geompy.MakeVertex( 0, -55, 55)
#pt_pnt_5 = geompy.MakeVertex( 55, 55, 0)
#pt_pnt_6 = geompy.MakeVertex( 55, -55, 0)
#pt_pnt_7 = geompy.MakeVertex(-55, 55, 0)
#pt_pnt_8 = geompy.MakeVertex(-55, -55, 0)
#pt_pnt_9 = geompy.MakeVertex( 55, 0, -55)
#pt_pnt_10 = geompy.MakeVertex( 0, 55, -55)
#pt_pnt_11 = geompy.MakeVertex(-55, 0, -55)
#pt_pnt_12 = geompy.MakeVertex( 0, -55, -55)
#
#pt_face_1 = geompy.GetFaceNearPoint(part_tool_1, pt_pnt_1)
#pt_face_2 = geompy.GetFaceNearPoint(part_tool_1, pt_pnt_2)
#pt_face_3 = geompy.GetFaceNearPoint(part_tool_1, pt_pnt_3)
#pt_face_4 = geompy.GetFaceNearPoint(part_tool_1, pt_pnt_4)
#pt_face_5 = geompy.GetFaceNearPoint(part_tool_1, pt_pnt_5)
#pt_face_6 = geompy.GetFaceNearPoint(part_tool_1, pt_pnt_6)
#pt_face_7 = geompy.GetFaceNearPoint(part_tool_1, pt_pnt_7)
#pt_face_8 = geompy.GetFaceNearPoint(part_tool_1, pt_pnt_8)
#pt_face_9 = geompy.GetFaceNearPoint(part_tool_1, pt_pnt_9)
#pt_face_10 = geompy.GetFaceNearPoint(part_tool_1, pt_pnt_10)
#pt_face_11 = geompy.GetFaceNearPoint(part_tool_1, pt_pnt_11)
#pt_face_12 = geompy.GetFaceNearPoint(part_tool_1, pt_pnt_12)
#
#pt_box = geompy.GetBlockNearPoint(part_tool_1, p0)
#
#comp_parts = [pt_face_1, pt_face_4, pt_face_7, pt_face_10,
# pt_face_2, pt_face_5, pt_face_8, pt_face_11,
# #pt_face_3, pt_face_6, pt_face_9, pt_face_12, pt_box]
# pt_face_3, pt_face_6, pt_face_9, pt_face_12]
#part_tool = geompy.MakeCompound(comp_parts)
#id_part_tool = geompy.addToStudy(part_tool, "part_tool")
#
#part = geompy.MakePartition([s0], [part_tool])
#
#part_tools = [pt_face_1, pt_face_4, pt_face_7, pt_face_10,
# pt_face_2, pt_face_5, pt_face_8, pt_face_11,
# pt_face_3, pt_face_6, pt_face_9, pt_face_12, b0]
#part = geompy.MakePartition([s0], part_tools)
p1 = geompy.MakeVertex(50, 0, 0)
p2 = geompy.MakeVertex(-50, 0, 0)
p3 = geompy.MakeVertex(0, 50, 0)
p4 = geompy.MakeVertex(0, -50, 0)
p5 = geompy.MakeVertex(0, 0, 50)
p6 = geompy.MakeVertex(0, 0, -50)
part_objs = [b0, pln_0pp, pln_0np, pln_p0p, pln_p0n, pln_pp0, pln_pn0]
part_tool_1 = geompy.MakePartition(part_objs, KeepNonlimitShapes=1)
geompy.addToStudy(part_tool_1, "part_tool_1")
plnX1 = geompy.MakePlane(p1, vx, 300)
plnX2 = geompy.MakePlane(p2, vx, 300)
plnY1 = geompy.MakePlane(p3, vy, 300)
plnY2 = geompy.MakePlane(p4, vy, 300)
plnZ1 = geompy.MakePlane(p5, vz, 300)
plnZ2 = geompy.MakePlane(p6, vz, 300)
pt_pnt_1 = geompy.MakeVertex( 55, 0, 55)
pt_pnt_2 = geompy.MakeVertex( 0, 55, 55)
pt_pnt_3 = geompy.MakeVertex(-55, 0, 55)
pt_pnt_4 = geompy.MakeVertex( 0, -55, 55)
pt_pnt_5 = geompy.MakeVertex( 55, 55, 0)
pt_pnt_6 = geompy.MakeVertex( 55, -55, 0)
pt_pnt_7 = geompy.MakeVertex(-55, 55, 0)
pt_pnt_8 = geompy.MakeVertex(-55, -55, 0)
pt_pnt_9 = geompy.MakeVertex( 55, 0, -55)
pt_pnt_10 = geompy.MakeVertex( 0, 55, -55)
pt_pnt_11 = geompy.MakeVertex(-55, 0, -55)
pt_pnt_12 = geompy.MakeVertex( 0, -55, -55)
#part = geompy.MakePartition([s0], [plnX1,plnX2,plnY1,plnY2,plnZ1,plnZ2])
part = geompy.MakePartition([s0], [plnX1])
part = geompy.MakePartition([part], [plnX2])
part = geompy.MakePartition([part], [plnY1])
part = geompy.MakePartition([part], [plnY2])
part = geompy.MakePartition([part], [plnZ1])
part = geompy.MakePartition([part], [plnZ2])
pt_face_1 = geompy.GetFaceNearPoint(part_tool_1, pt_pnt_1)
pt_face_2 = geompy.GetFaceNearPoint(part_tool_1, pt_pnt_2)
pt_face_3 = geompy.GetFaceNearPoint(part_tool_1, pt_pnt_3)
pt_face_4 = geompy.GetFaceNearPoint(part_tool_1, pt_pnt_4)
pt_face_5 = geompy.GetFaceNearPoint(part_tool_1, pt_pnt_5)
pt_face_6 = geompy.GetFaceNearPoint(part_tool_1, pt_pnt_6)
pt_face_7 = geompy.GetFaceNearPoint(part_tool_1, pt_pnt_7)
pt_face_8 = geompy.GetFaceNearPoint(part_tool_1, pt_pnt_8)
pt_face_9 = geompy.GetFaceNearPoint(part_tool_1, pt_pnt_9)
pt_face_10 = geompy.GetFaceNearPoint(part_tool_1, pt_pnt_10)
pt_face_11 = geompy.GetFaceNearPoint(part_tool_1, pt_pnt_11)
pt_face_12 = geompy.GetFaceNearPoint(part_tool_1, pt_pnt_12)
part_tools = [pt_face_1, pt_face_4, pt_face_7, pt_face_10,
pt_face_2, pt_face_5, pt_face_8, pt_face_11,
pt_face_3, pt_face_6, pt_face_9, pt_face_12, b0]
part_tool = geompy.MakeCompound(part_tools)
geompy.addToStudy(part_tool, "part_tool")
part = geompy.MakePartition([s0], [part_tool])
geompy.addToStudy(part, "part")
# GetFreeFacesIDs
@ -492,9 +400,9 @@ def TestOtherOperations (geompy, math):
geompy.addToStudy(freeFaces, "freeFaces")
# RemoveExtraEdges with union of all faces, sharing common surfaces
# Example of hexahedral sphere creation
# (spherical surface of solid is made of six quasi-quadrangular faces)
tools = [pln_pp0, pln_pn0, pln_p0p, pln_p0n]
Partition_1 = geompy.MakePartition([Sphere], tools, [], [], geompy.ShapeType["SOLID"], 0, [])
geompy.addToStudy(Partition_1, "Partition_1")
@ -529,8 +437,8 @@ def TestOtherOperations (geompy, math):
Shell_1 = geompy.MakeShell([Face_1, Rotation_1, Rotation_2, Rotation_3, Rotation_4, Rotation_5])
Solid_1 = geompy.MakeSolid([Shell_1])
#NoExtraEdges_1 = geompy.RemoveExtraEdges(Solid_1, True) # doUnionFaces = True
# RemoveExtraEdges with union of all faces, sharing common surfaces
box10 = geompy.MakeBoxDXDYDZ(10, 10, 10, "box10")
box11 = geompy.MakeTranslation(box10, 10, 0, 0, "box11")
FuseB = geompy.MakeFuse(box10, box11, checkSelfInte=False, rmExtraEdges=False, theName="FuseB")
@ -580,9 +488,8 @@ def TestOtherOperations (geompy, math):
geompy.addToStudyInFather( blackWhiteCopy, subBlackWhite[1], "" )
# CheckAndImprove
blocksComp = geompy.CheckAndImprove(part)
geompy.addToStudy(blocksComp, "blocksComp")
blocksComp = geompy.CheckAndImprove(part, "blocksComp")
assert (geompy.CheckCompoundOfBlocks(blocksComp))
# Propagate
listChains = geompy.Propagate(blocksComp)
@ -717,8 +624,7 @@ def TestOtherOperations (geompy, math):
tl, tr, bl, br, GEOM.ST_ONIN)
comp = geompy.MakeCompound(edges_onin_quad)
geompy.addToStudy(comp, "Edges of F12 ONIN Quadrangle")
if len( edges_onin_quad ) != 4:
print("Error in GetShapesOnQuadrangle()")
assert (len( edges_onin_quad ) == 4), "Error in GetShapesOnQuadrangle()"
# GetShapesOnQuadrangleIDs
vertices_on_quad_ids = geompy.GetShapesOnQuadrangleIDs(f12, geompy.ShapeType["VERTEX"],
@ -732,8 +638,7 @@ def TestOtherOperations (geompy, math):
GEOM.ST_ON)
comp = geompy.MakeCompound(edges_on_box)
geompy.addToStudy(comp, "Edges of part ON box b0")
if len( edges_on_box ) != 12:
print("Error in GetShapesOnBox()")
assert (len( edges_on_box ) == 12), "Error in GetShapesOnBox()"
# GetShapesOnBoxIDs
faces_on_box_ids = geompy.GetShapesOnBoxIDs(b0, part, geompy.ShapeType["FACE"],
@ -742,24 +647,13 @@ def TestOtherOperations (geompy, math):
geompy.UnionIDs(faces_on_box, faces_on_box_ids)
geompy.addToStudyInFather(part, faces_on_box, "Group of faces on box b0")
# Prepare arguments for GetShapesOnShape
sph1 = geompy.MakeSphere(50, 50, 50, 40)
sph2 = geompy.MakeSphere(50, 50, -50, 40)
pcyl = geompy.MakeVertex(50, 50, -50)
cyli = geompy.MakeCylinder(pcyl, vz, 40, 100)
sh_1 = geompy.MakeFuseList([sph1, cyli, sph2])
# As after Fuse we have a compound, we need to obtain a solid from it
#shsh = geompy.SubShapeAll(sh_1, geompy.ShapeType["SOLID"])
#sh_1 = shsh[0]
geompy.addToStudy(sh_1, "sh_1")
# GetShapesOnShape
sh_1 = geompy.MakeTranslation(s0, 100, 0, 0, "sh_1")
faces_in_sh = geompy.GetShapesOnShape(sh_1, part, geompy.ShapeType["FACE"],
GEOM.ST_IN)
comp = geompy.MakeCompound(faces_in_sh)
geompy.addToStudy(comp, "Faces of part IN shape sh_1")
if len(faces_in_sh) != 11:
print("Error in GetShapesOnShape()")
assert (len(faces_in_sh) == 7), "Error in GetShapesOnShape()"
# GetShapesOnShapeAsCompound
faces_in_sh_c = geompy.GetShapesOnShapeAsCompound(sh_1, part, geompy.ShapeType["FACE"],
@ -772,16 +666,11 @@ def TestOtherOperations (geompy, math):
edges_in_sh = geompy.CreateGroup(part, geompy.ShapeType["EDGE"])
geompy.UnionIDs(edges_in_sh, edges_in_sh_ids)
geompy.addToStudyInFather(part, edges_in_sh, "Group of edges in shape sh_1")
if len(edges_in_sh_ids) != 15:
print("Error in GetShapesOnShapeIDs()")
assert (len(edges_in_sh_ids) == 15), "Error in GetShapesOnShapeIDs()"
# Prepare arguments for GetInPlace and GetInPlaceByHistory
box5 = geompy.MakeBoxDXDYDZ(100, 100, 100)
box6 = geompy.MakeTranslation(box5, 50, 50, 0)
geompy.addToStudy(box5, "Box 5")
geompy.addToStudy(box6, "Box 6")
box5 = geompy.MakeBoxDXDYDZ(100, 100, 100, "Box 5")
box6 = geompy.MakeTranslation(box5, 50, 50, 0, "Box 6")
part = geompy.MakePartition([box5], [box6])
geompy.addToStudy(part, "Partitioned")