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Mesh: implement sub-element handling

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wmayer
2021-10-06 17:19:38 +02:00
parent ca65026246
commit b5c012a301
6 changed files with 124 additions and 15 deletions
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51
src/Mod/Mesh/App/Mesh.cpp
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@@ -62,6 +62,7 @@ using namespace Mesh;
float MeshObject::Epsilon = 1.0e-5f;
TYPESYSTEM_SOURCE(Mesh::MeshObject, Data::ComplexGeoData)
TYPESYSTEM_SOURCE(Mesh::MeshSegment, Data::Segment)
MeshObject::MeshObject()
{
@@ -93,7 +94,7 @@ MeshObject::~MeshObject()
std::vector<const char*> MeshObject::getElementTypes() const
{
std::vector<const char*> temp;
temp.push_back("Face"); // that's the mesh itself
temp.push_back("Mesh");
temp.push_back("Segment");
return temp;
@@ -102,31 +103,47 @@ std::vector<const char*> MeshObject::getElementTypes() const
unsigned long MeshObject::countSubElements(const char* Type) const
{
std::string element(Type);
if (element == "Face")
if (element == "Mesh")
return 1;
else if (element == "Segment")
return countSegments();
return 0;
}
Data::Segment* MeshObject::getSubElement(const char* Type, unsigned long /*n*/) const
Data::Segment* MeshObject::getSubElement(const char* Type, unsigned long n) const
{
//TODO
std::string element(Type);
if (element == "Face")
return nullptr;
else if (element == "Segment")
return nullptr;
if (element == "Mesh" && n == 0) {
MeshSegment* segm = new MeshSegment();
segm->mesh = new MeshObject(*this);
return segm;
}
else if (element == "Segment" && n < countSegments()) {
MeshSegment* segm = new MeshSegment();
segm->mesh = new MeshObject(*this);
const Segment& faces = getSegment(n);
segm->segment.reset(new Segment(static_cast<MeshObject*>(segm->mesh), faces.getIndices(), false));
return segm;
}
return nullptr;
}
void MeshObject::getFacesFromSubelement(const Data::Segment* /*segm*/,
std::vector<Base::Vector3d> &Points,
std::vector<Base::Vector3d> &/*PointNormals*/,
void MeshObject::getFacesFromSubelement(const Data::Segment* element,
std::vector<Base::Vector3d> &points,
std::vector<Base::Vector3d> &/*pointNormals*/,
std::vector<Facet> &faces) const
{
//TODO
this->getFaces(Points, faces, 0.0f);
if (element && element->getTypeId() == MeshSegment::getClassTypeId()) {
const MeshSegment* segm = static_cast<const MeshSegment*>(element);
if (segm->segment) {
Base::Reference<MeshObject> submesh(segm->mesh->meshFromSegment(segm->segment->getIndices()));
submesh->getFaces(points, faces, 0.0f);
}
else {
segm->mesh->getFaces(points, faces, 0.0f);
}
}
}
void MeshObject::transformGeometry(const Base::Matrix4D &rclMat)
@@ -161,6 +178,14 @@ Base::BoundBox3d MeshObject::getBoundBox()const
return Bnd2;
}
bool MeshObject::getCenterOfGravity(Base::Vector3d& center) const
{
MeshCore::MeshAlgorithm alg(_kernel);
Base::Vector3f pnt = alg.GetGravityPoint();
center = transformToOutside(pnt);
return true;
}
void MeshObject::copySegments(const MeshObject& mesh)
{
// After copying the segments the mesh pointers must be adjusted