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0027769: BRepOffsetAPI_MakePipeShell produces a face based on degenerated toroidal surface

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method BuildKPart was modified in order to create sphere instead of torus in case of major radius <= tolerance
Minor corrections in test case bugs/modalg_6/bug27769
This commit is contained in:
aka 2016-10-27 16:58:38 +03:00 committed by apn
parent 7c3ef2f752
commit b969ebe7cf
2 changed files with 38 additions and 3 deletions
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14
src/GeomFill/GeomFill_Sweep.cxx
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@ -836,13 +836,21 @@ static Standard_Boolean IsSweepParallelSpine (const Handle(GeomFill_LocationLaw)
if (error <= Tol) { if (error <= Tol) {
SError = error; SError = error;
error += Radius + Abs(RotRadius - C.Radius())/2; error += Radius + Abs(RotRadius - C.Radius())/2;
if (error <= Tol) { if (error <= Tol || Radius <= Tol) {
// (2.1.a) Sphere // (2.1.a) Sphere
Standard_Real f = UFirst , l = ULast; Standard_Real f = UFirst , l = ULast, aRadius = 0.0;
SError = error; SError = error;
Centre.BaryCenter(1.0, C.Location(), 1.0); Centre.BaryCenter(1.0, C.Location(), 1.0);
gp_Ax3 AxisOfSphere(Centre, DN, DS); gp_Ax3 AxisOfSphere(Centre, DN, DS);
gp_Sphere theSphere( AxisOfSphere, (RotRadius + C.Radius())/2 ); if (Radius <= Tol)
{
aRadius = C.Radius();
}
else
{
aRadius = (RotRadius + C.Radius()) / 2;
}
gp_Sphere theSphere( AxisOfSphere, aRadius );
S = new Geom_SphericalSurface(theSphere); S = new Geom_SphericalSurface(theSphere);
// Pour les spheres on ne peut pas controler le parametre // Pour les spheres on ne peut pas controler le parametre
// V (donc U car myExchUV = Standard_True) // V (donc U car myExchUV = Standard_True)

27
tests/bugs/modalg_6/bug27769 Normal file
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@ -0,0 +1,27 @@
puts "========"
puts "OCC27769"
puts "========"
puts ""
#################################################
# BRepOffsetAPI_MakePipeShell produces a face
# based on degenerated toroidal surfaces
#################################################
restore [locate_data_file bug27769_W5_slot.brep] w
restore [locate_data_file bug27769_A4_slot.brep] e
wire p e
mksweep p
addsweep w
buildsweep r
explode r f
mksurface s1 r_1
set info [dump s1]
set check [regexp "SphericalSurface" $info]
if { ${check} == 1 } {
puts "OK: The basic surface is spherical surface."
} else {
puts "Faulty: The basic surface is not spherical surface."
}