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[TD]skip LCS infinite shapes

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Wanderer Fan
2022-03-19 13:07:35 -04:00
committed by WandererFan
parent 6eafd18030
commit 7c24e54704
2 changed files with 53 additions and 13 deletions
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64
src/Mod/TechDraw/App/ShapeExtractor.cpp
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@@ -115,7 +115,6 @@ TopoDS_Shape ShapeExtractor::getShapes(const std::vector<App::DocumentObject*> l
} else {
auto shape = Part::Feature::getShape(l);
if(!shape.IsNull()) {
// BRepTools::Write(shape, "DVPgetShape.brep"); //debug
sourceShapes.push_back(shape);
} else {
std::vector<TopoDS_Shape> shapeList = getShapesFromObject(l);
@@ -129,21 +128,31 @@ TopoDS_Shape ShapeExtractor::getShapes(const std::vector<App::DocumentObject*> l
builder.MakeCompound(comp);
bool found = false;
for (auto& s:sourceShapes) {
if (s.IsNull() || Part::TopoShape(s).isInfinite()) {
continue; // has no shape or the shape is infinite
if (s.ShapeType() < TopAbs_SOLID) {
//clean up composite shapes
TopoDS_Shape cleanShape = stripInfiniteShapes(s);
if (!cleanShape.IsNull()) {
builder.Add(comp, cleanShape);
found = true;
}
} else if (s.IsNull()) {
continue; // has no shape
} else if (Part::TopoShape(s).isInfinite()) {
continue; //shape is infinite
} else {
//a simple shape - add to compound
builder.Add(comp, s);
found = true;
}
found = true;
BRepBuilderAPI_Copy BuilderCopy(s);
TopoDS_Shape shape = BuilderCopy.Shape();
builder.Add(comp, shape);
}
//it appears that an empty compound is !IsNull(), so we need to check a different way
//if we added anything to the compound.
if (!found) {
Base::Console().Error("SE::getSourceShapes - source shape is empty!\n");
Base::Console().Error("SE::getShapes - source shape is empty!\n");
} else {
result = comp;
}
// BRepTools::Write(result, "SEresult.brep"); //debug
return result;
}
@@ -293,6 +302,32 @@ TopoDS_Shape ShapeExtractor::getShapesFused(const std::vector<App::DocumentObjec
return baseShape;
}
//inShape is a compound
//The shapes of datum features (Axis, Plan and CS) are infinite
//Infinite shapes can not be projected, so they need to be removed.
TopoDS_Shape ShapeExtractor::stripInfiniteShapes(TopoDS_Shape inShape)
{
// Base::Console().Message("SE::stripInfiniteShapes() - shapeType: %d\n", inShape.ShapeType());
BRep_Builder builder;
TopoDS_Compound comp;
builder.MakeCompound(comp);
TopoDS_Iterator it(inShape);
for (; it.More(); it.Next()) {
TopoDS_Shape s = it.Value();
if (s.ShapeType() < TopAbs_SOLID) {
//look inside composite shapes
s = stripInfiniteShapes(s);
} else if (Part::TopoShape(s).isInfinite()) {
continue;
} else {
//simple shape
}
builder.Add(comp, s);
}
return comp;
}
bool ShapeExtractor::is2dObject(App::DocumentObject* obj)
{
bool result = false;
@@ -322,12 +357,15 @@ bool ShapeExtractor::isEdgeType(App::DocumentObject* obj)
bool ShapeExtractor::isPointType(App::DocumentObject* obj)
{
// Base::Console().Message("SE::isPointType(%s)\n", obj->getNameInDocument());
bool result = false;
Base::Type t = obj->getTypeId();
if (t.isDerivedFrom(Part::Vertex::getClassTypeId())) {
result = true;
} else if (isDraftPoint(obj)) {
result = true;
if (obj) {
Base::Type t = obj->getTypeId();
if (t.isDerivedFrom(Part::Vertex::getClassTypeId())) {
result = true;
} else if (isDraftPoint(obj)) {
result = true;
}
}
return result;
}