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Implement option for perspective drawing views

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This commit is contained in:
WandererFan
2017-12-03 11:44:17 -05:00
committed by Yorik van Havre
parent 5bc256d3f2
commit 7588081afd
4 changed files with 32 additions and 6 deletions
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14
src/Mod/TechDraw/App/GeometryObject.cpp
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@@ -81,7 +81,9 @@ struct EdgePoints {
GeometryObject::GeometryObject(const string& parent, TechDraw::DrawView* parentObj) :
m_parentName(parent),
m_parent(parentObj),
m_isoCount(0)
m_isoCount(0),
m_isPersp(false),
m_focus(100.0)
{
}
@@ -158,8 +160,14 @@ void GeometryObject::projectShape(const TopoDS_Shape& input,
try {
brep_hlr = new HLRBRep_Algo();
brep_hlr->Add(input, m_isoCount);
HLRAlgo_Projector projector( viewAxis );
brep_hlr->Projector(projector);
if (m_isPersp) {
double fLength = std::max(Precision::Confusion(),m_focus);
HLRAlgo_Projector projector( viewAxis, fLength );
brep_hlr->Projector(projector);
} else {
HLRAlgo_Projector projector( viewAxis );
brep_hlr->Projector(projector);
}
brep_hlr->Update();
brep_hlr->Hide(); //XXXX: what happens if we don't call Hide()?? and only look at VCompound?
// WF: you get back all the edges in the shape, but very fast!!