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extend MeshPart.projectShapeOnMesh to allow list of points for projection, support keywords

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This commit is contained in:
wmayer
2019-06-08 14:19:29 +02:00
parent 4494d384a6
commit f8b715aa7c
3 changed files with 123 additions and 10 deletions
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45
src/Mod/MeshPart/App/CurveProjector.cpp
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@@ -813,6 +813,51 @@ void MeshProjection::projectParallelToMesh (const TopoDS_Shape &aShape, const Ba
}
}
void MeshProjection::projectParallelToMesh (const std::vector<PolyLine> &aEdges, const Base::Vector3f& dir, std::vector<PolyLine>& rPolyLines) const
{
// calculate the average edge length and create a grid
MeshAlgorithm clAlg(_rcMesh);
float fAvgLen = clAlg.GetAverageEdgeLength();
MeshFacetGrid cGrid(_rcMesh, 5.0f*fAvgLen);
Base::SequencerLauncher seq( "Project curve on mesh", aEdges.size() );
for (auto it : aEdges) {
std::vector<Base::Vector3f> points = it.points;
typedef std::pair<Base::Vector3f, unsigned long> HitPoint;
std::vector<HitPoint> hitPoints;
typedef std::pair<HitPoint, HitPoint> HitPoints;
std::vector<HitPoints> hitPointPairs;
for (auto it : points) {
Base::Vector3f result;
unsigned long index;
if (clAlg.NearestFacetOnRay(it, dir, cGrid, result, index)) {
hitPoints.push_back(std::make_pair(result, index));
if (hitPoints.size() > 1) {
HitPoint p1 = hitPoints[hitPoints.size()-2];
HitPoint p2 = hitPoints[hitPoints.size()-1];
hitPointPairs.push_back(std::make_pair(p1, p2));
}
}
}
MeshCore::MeshProjection meshProjection(_rcMesh);
PolyLine polyline;
for (auto it : hitPointPairs) {
points.clear();
if (meshProjection.projectLineOnMesh(cGrid, it.first.first, it.first.second,
it.second.first, it.second.second, dir, points)) {
polyline.points.insert(polyline.points.end(), points.begin(), points.end());
}
}
rPolyLines.push_back(polyline);
seq.next();
}
}
void MeshProjection::projectEdgeToEdge( const TopoDS_Edge &aEdge, float fMaxDist, const MeshFacetGrid& rGrid,
std::vector<SplitEdge>& rSplitEdges ) const
{