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Ifc: fix artifacts from window boundaries. 

git-svn-id: https://assimp.svn.sourceforge.net/svnroot/assimp/trunk@1308 67173fc5-114c-0410-ac8e-9d2fd5bffc1f
pull/6/merge
aramis_acg 2012-10-17 00:04:24 +00:00
parent f329e1af6f
commit 745a7383f6
1 changed files with 25 additions and 10 deletions
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35
code/IFCGeometry.cpp
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@ -1223,7 +1223,7 @@ void InsertWindowContours(const std::vector< BoundingBox >& bbs,
if ((contour[a] - edge).SquareLength() > diag*diag*0.7) {
continue;
}
const IfcVector3 v3 = minv * IfcVector3(offset.x + contour[a].x * scale.x, offset.y + contour[a].y * scale.y,coord);
const IfcVector3 v3 = minv * IfcVector3(offset.x + contour[a].x * scale.x, offset.y + contour[a].y * scale.y, coord);
curmesh.verts.push_back(v3);
}
@ -1504,7 +1504,7 @@ bool TryAddOpenings_Quadrulate(const std::vector<TempOpening>& openings,
const IfcVector3& face_nor = ((profile_verts[vi_total+2] - profile_verts[vi_total]) ^
(profile_verts[vi_total+1] - profile_verts[vi_total])).Normalize();
const IfcFloat abs_dot_face_nor = fabs(nor * face_nor);
const IfcFloat abs_dot_face_nor = abs(nor * face_nor);
if (abs_dot_face_nor < 0.5) {
vi_total += profile_vertcnts[f];
continue;
@ -1520,6 +1520,9 @@ bool TryAddOpenings_Quadrulate(const std::vector<TempOpening>& openings,
vv.x = (vv.x - vmin.x) / vmax.x;
vv.y = (vv.y - vmin.y) / vmax.y;
vv = std::max(vv,IfcVector2());
vv = std::min(vv,IfcVector2(static_cast<IfcFloat>(1.0),static_cast<IfcFloat>(1.0)));
vpmin = std::min(vpmin,vv);
vpmax = std::max(vpmax,vv);
@ -1610,7 +1613,8 @@ bool TryAddOpenings_Quadrulate(const std::vector<TempOpening>& openings,
// ------------------------------------------------------------------------------------------------
void ProcessExtrudedAreaSolid(const IfcExtrudedAreaSolid& solid, TempMesh& result, ConversionData& conv)
void ProcessExtrudedAreaSolid(const IfcExtrudedAreaSolid& solid, TempMesh& result,
ConversionData& conv)
{
TempMesh meshout;
@ -1737,7 +1741,8 @@ void ProcessExtrudedAreaSolid(const IfcExtrudedAreaSolid& solid, TempMesh& resul
// ------------------------------------------------------------------------------------------------
void ProcessSweptAreaSolid(const IfcSweptAreaSolid& swept, TempMesh& meshout, ConversionData& conv)
void ProcessSweptAreaSolid(const IfcSweptAreaSolid& swept, TempMesh& meshout,
ConversionData& conv)
{
if(const IfcExtrudedAreaSolid* const solid = swept.ToPtr<IfcExtrudedAreaSolid>()) {
// Do we just collect openings for a parent element (i.e. a wall)?
@ -1779,7 +1784,9 @@ enum Intersect {
};
// ------------------------------------------------------------------------------------------------
Intersect IntersectSegmentPlane(const IfcVector3& p,const IfcVector3& n, const IfcVector3& e0, const IfcVector3& e1, IfcVector3& out)
Intersect IntersectSegmentPlane(const IfcVector3& p,const IfcVector3& n, const IfcVector3& e0,
const IfcVector3& e1,
IfcVector3& out)
{
const IfcVector3 pdelta = e0 - p, seg = e1-e0;
const IfcFloat dotOne = n*seg, dotTwo = -(n*pdelta);
@ -1919,7 +1926,8 @@ void ProcessBoolean(const IfcBooleanResult& boolean, TempMesh& result, Conversio
// ------------------------------------------------------------------------------------------------
bool ProcessGeometricItem(const IfcRepresentationItem& geo, std::vector<unsigned int>& mesh_indices, ConversionData& conv)
bool ProcessGeometricItem(const IfcRepresentationItem& geo, std::vector<unsigned int>& mesh_indices,
ConversionData& conv)
{
bool fix_orientation = true;
TempMesh meshtmp;
@ -1983,7 +1991,8 @@ bool ProcessGeometricItem(const IfcRepresentationItem& geo, std::vector<unsigned
}
// ------------------------------------------------------------------------------------------------
void AssignAddedMeshes(std::vector<unsigned int>& mesh_indices,aiNode* nd,ConversionData& /*conv*/)
void AssignAddedMeshes(std::vector<unsigned int>& mesh_indices,aiNode* nd,
ConversionData& /*conv*/)
{
if (!mesh_indices.empty()) {
@ -2002,7 +2011,9 @@ void AssignAddedMeshes(std::vector<unsigned int>& mesh_indices,aiNode* nd,Conver
}
// ------------------------------------------------------------------------------------------------
bool TryQueryMeshCache(const IfcRepresentationItem& item, std::vector<unsigned int>& mesh_indices, ConversionData& conv)
bool TryQueryMeshCache(const IfcRepresentationItem& item,
std::vector<unsigned int>& mesh_indices,
ConversionData& conv)
{
ConversionData::MeshCache::const_iterator it = conv.cached_meshes.find(&item);
if (it != conv.cached_meshes.end()) {
@ -2013,13 +2024,17 @@ bool TryQueryMeshCache(const IfcRepresentationItem& item, std::vector<unsigned i
}
// ------------------------------------------------------------------------------------------------
void PopulateMeshCache(const IfcRepresentationItem& item, const std::vector<unsigned int>& mesh_indices, ConversionData& conv)
void PopulateMeshCache(const IfcRepresentationItem& item,
const std::vector<unsigned int>& mesh_indices,
ConversionData& conv)
{
conv.cached_meshes[&item] = mesh_indices;
}
// ------------------------------------------------------------------------------------------------
bool ProcessRepresentationItem(const IfcRepresentationItem& item, std::vector<unsigned int>& mesh_indices, ConversionData& conv)
bool ProcessRepresentationItem(const IfcRepresentationItem& item,
std::vector<unsigned int>& mesh_indices,
ConversionData& conv)
{
if (!TryQueryMeshCache(item,mesh_indices,conv)) {
if(ProcessGeometricItem(item,mesh_indices,conv)) {