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0025210: Wrong result of conical projection (BRepProj_Projection algorithm)

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Test case for issue CR25210
This commit is contained in:
jgv 2014-09-04 14:27:46 +04:00 committed by bugmaster
parent 66190a47bb
commit 1f205411c1
2 changed files with 43 additions and 7 deletions
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21
src/BRepProj/BRepProj_Projection.cxx
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@ -20,6 +20,7 @@
#include <BRepBndLib.hxx>
#include <BRepTools_TrsfModification.hxx>
#include <BRepTools_Modifier.hxx>
#include <BRepLib_MakeVertex.hxx>
#include <BRepLib_MakeEdge.hxx>
#include <BRepLib_MakeWire.hxx>
#include <BRep_Tool.hxx>
@ -246,23 +247,29 @@ BRepProj_Projection::BRepProj_Projection (const TopoDS_Shape& Wire,
Scale = 1. + mdis / Scale;
// move the base of the conical surface by scaling it with ratio Scale
// then we do a symmetric relative to a point. So we have two generators
// for building a "semi-infinite" conic surface
gp_Trsf T;
T.SetScale(P, Scale);
Handle(BRepTools_TrsfModification) Tsca = new BRepTools_TrsfModification(T);
BRepTools_Modifier ModifScale(aWire,Tsca);
TopoDS_Shape ShapeGen1 = ModifScale.ModifiedShape(aWire);
T.SetMirror(P);
Handle(BRepTools_TrsfModification) Tmir = new BRepTools_TrsfModification(T);
BRepTools_Modifier ModifMirror(ShapeGen1,Tmir);
TopoDS_Shape ShapeGen2 = ModifMirror.ModifiedShape(ShapeGen1);
TopoDS_Vertex aVertex = BRepLib_MakeVertex(P);
TopoDS_Edge DegEdge;
BRep_Builder BB;
BB.MakeEdge( DegEdge );
BB.Add( DegEdge, aVertex.Oriented(TopAbs_FORWARD) );
BB.Add( DegEdge, aVertex.Oriented(TopAbs_REVERSED) );
BB.Degenerated( DegEdge, Standard_True );
DegEdge.Closed( Standard_True );
TopoDS_Wire DegWire;
BB.MakeWire( DegWire );
BB.Add( DegWire, DegEdge );
DegWire.Closed( Standard_True );
// Build the Ruled surface based shape
BRepFill_Generator RuledSurf;
RuledSurf.AddWire(DegWire);
RuledSurf.AddWire(TopoDS::Wire(ShapeGen1));
RuledSurf.AddWire(TopoDS::Wire(ShapeGen2));
RuledSurf.Perform();
TopoDS_Shell SurfShell = RuledSurf.Shell();

29
tests/bugs/modalg_5/bug25210 Executable file
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@ -0,0 +1,29 @@
puts "=========="
puts "OCC25210"
puts "=========="
puts ""
##################################################################################################
# Wrong result of conical projection (BRepProj_Projection algorithm)
##################################################################################################
restore [locate_data_file bug25210_fileCurveToProj.brep] a
restore [locate_data_file bug25210_fileFaceProjOn.brep] f
point pp 100 100 20
cprj res a f 100 100 20
renamevar res_1 result
set length 41.9674
set nb_v_good 2
set nb_e_good 2
set nb_w_good 1
set nb_f_good 0
set nb_sh_good 0
set nb_sol_good 0
set nb_compsol_good 0
set nb_compound_good 0
set nb_shape_good 5
set 2dviewer 1