OpenCascade/occt
1
0
Fork 0
mirror of https://git.dev.opencascade.org/repos/occt.git synced 2025-08-09 13:22:24 +03:00
Code Activity

0031251: Add a new meshing parameter to enforce face linear deflection

Browse Source 
Parameter has been renamed to ForceFaceDeflection. Added test case.

New parameter -force_face_def has been added to incmesh command.
This commit is contained in:
razmyslovich
2019-12-17 21:17:17 +03:00
committed by bugmaster
parent bdd09cfaf4
commit 0da2ecac41
5 changed files with 53 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
src/BRepMesh/BRepMesh_Deflection.cxx
View File

@@ -145,18 +145,22 @@ void BRepMesh_Deflection::ComputeDeflection (
}
Standard_Real aFaceDeflection = 0.0;
if (theDFace->WiresNb () > 0)
if (!theParameters.ForceFaceDeflection)
{
for (Standard_Integer aWireIt = 0; aWireIt < theDFace->WiresNb(); ++aWireIt)
if (theDFace->WiresNb () > 0)
{
aFaceDeflection += theDFace->GetWire(aWireIt)->GetDeflection();
for (Standard_Integer aWireIt = 0; aWireIt < theDFace->WiresNb (); ++aWireIt)
{
aFaceDeflection += theDFace->GetWire (aWireIt)->GetDeflection ();
}
aFaceDeflection /= theDFace->WiresNb ();
}
aFaceDeflection /= theDFace->WiresNb ();
aFaceDeflection = Max (2. * BRepMesh_ShapeTool::MaxFaceTolerance (
theDFace->GetFace ()), aFaceDeflection);
}
aFaceDeflection = Max (aDeflection, aFaceDeflection);
aFaceDeflection = Max(aDeflection, aFaceDeflection);
theDFace->SetDeflection (Max(2.* BRepMesh_ShapeTool::MaxFaceTolerance(
theDFace->GetFace()), aFaceDeflection));
theDFace->SetDeflection (aFaceDeflection);
}

2
src/BRepMesh/BRepMesh_ShapeTool.cxx
View File

@@ -72,7 +72,7 @@ Standard_Real BRepMesh_ShapeTool::MaxFaceTolerance(const TopoDS_Face& theFace)
Standard_Real aMaxTolerance = BRep_Tool::Tolerance(theFace);
Standard_Real aTolerance = Max(
MaxTolerance<TopAbs_EDGE, EdgeTolerance >(theFace),
MaxTolerance<TopAbs_EDGE, EdgeTolerance >(theFace),
MaxTolerance<TopAbs_VERTEX, VertexTolerance>(theFace));
return Max(aMaxTolerance, aTolerance);

7
src/IMeshTools/IMeshTools_Parameters.hxx
View File

@@ -34,7 +34,8 @@ struct IMeshTools_Parameters {
InternalVerticesMode (Standard_True),
ControlSurfaceDeflection (Standard_True),
CleanModel (Standard_True),
AdjustMinSize (Standard_False)
AdjustMinSize (Standard_False),
ForceFaceDeflection (Standard_False)
{
}
@@ -83,6 +84,10 @@ struct IMeshTools_Parameters {
//! Enables/disables local adjustment of min size depending on edge size.
//! Disabled by default.
Standard_Boolean AdjustMinSize;
//! Enables/disables usage of shape tolerances for computing face deflection.
//! Disabled by default.
Standard_Boolean ForceFaceDeflection;
};
#endif

5
src/MeshTest/MeshTest.cxx
View File

@@ -88,7 +88,8 @@ options:\n\
-surf_def_off disables control of deflection of mesh from real\n\
surface (enabled by default)\n\
-parallel enables parallel execution (switched off by default)\n\
-adjust_min enables local adjustment of min size depending on edge size (switched off by default)\n";
-adjust_min enables local adjustment of min size depending on edge size (switched off by default)\n\
-force_face_def disables usage of shape tolerances for computing face deflection (switched off by default). \n";
return 0;
}
@@ -123,6 +124,8 @@ options:\n\
aMeshParams.ControlSurfaceDeflection = Standard_False;
else if (aOpt == "-adjust_min")
aMeshParams.AdjustMinSize = Standard_True;
else if (aOpt == "-force_face_def")
aMeshParams.ForceFaceDeflection = Standard_True;
else if (i < nbarg)
{
Standard_Real aVal = Draw::Atof(argv[i++]);