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# work on IFC face winding, but the extensive use of mirroring in IFC screws things up. Add a documentation node that one should better render them with bf culling turned off. 

git-svn-id: https://assimp.svn.sourceforge.net/svnroot/assimp/trunk@985 67173fc5-114c-0410-ac8e-9d2fd5bffc1f
pull/1/head
aramis_acg 2011-05-07 16:57:58 +00:00
parent f6c6cd9d9f
commit 50b780e21e
2 changed files with 7 additions and 7 deletions
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10
code/IFCLoader.cpp
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@ -649,9 +649,9 @@ void ProcessParametrizedProfile(const IFC::IfcParameterizedProfileDef& def, Temp
meshout.verts.reserve(meshout.verts.size()+4);
meshout.verts.push_back( aiVector3D( x, y, 0.f ));
meshout.verts.push_back( aiVector3D( x,-y, 0.f ));
meshout.verts.push_back( aiVector3D(-x,-y, 0.f ));
meshout.verts.push_back( aiVector3D(-x, y, 0.f ));
meshout.verts.push_back( aiVector3D(-x,-y, 0.f ));
meshout.verts.push_back( aiVector3D( x,-y, 0.f ));
meshout.vertcnt.push_back(4);
}
else {
@ -721,11 +721,11 @@ void ProcessExtrudedAreaSolid(const IFC::IfcExtrudedAreaSolid& solid, TempMesh&
// leave the triangulation of the profile area to the ear cutting
// implementation in aiProcess_Triangulate - for now we just
// feed in a possibly huge polygon.
for(size_t i = 0; i < size; ++i) {
result.verts.push_back(in[i]);
for(size_t i = size; i--; ) {
result.verts.push_back(in[i]+dir);
}
for(size_t i = 0; i < size; ++i ) {
result.verts.push_back(in[i]+dir);
result.verts.push_back(in[i]);
}
result.vertcnt.push_back(size);
result.vertcnt.push_back(size);

2
doc/dox.h
View File

@ -1626,7 +1626,7 @@ if there are multiple representations, only one of them will actually be a solid
provided by IFC: only aggregation, containment and material assignment relationships are resolved by the library and
mapped to the output node graph.
- The implementation knows only about IFC2X3 and applies this rule set to all models it encounters, regardless of their actual version.
- IFC models should be rendered with backface culling turned off.
<hr>
@section ogre Ogre