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Finished implementation of TriangleMesh->split

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This commit is contained in:
Alessandro Ranellucci 2013-09-09 22:27:58 +02:00
parent 2d4aa439ae
commit 27e7c6b9f7
18 changed files with 59 additions and 23 deletions
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20
xs/src/TriangleMesh.cpp
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@ -16,6 +16,13 @@ TriangleMesh::~TriangleMesh() {
stl_close(&stl);
}
SV*
TriangleMesh::to_SV() {
SV* sv = newSV(0);
sv_setref_pv( sv, "Slic3r::TriangleMesh::XS", (void*)this );
return sv;
}
void
TriangleMesh::ReadSTLFile(char* input_file) {
stl_open(&stl, input_file);
@ -471,10 +478,10 @@ TriangleMesh::slice(const std::vector<double> &z)
return layers;
}
std::vector<TriangleMesh>
TriangleMeshPtrs
TriangleMesh::split() const
{
std::vector<TriangleMesh> meshes;
TriangleMeshPtrs meshes;
std::set<int> seen_facets;
// loop while we have remaining facets
@ -483,7 +490,8 @@ TriangleMesh::split() const
std::queue<int> facet_queue;
std::deque<int> facets;
for (int facet_idx = 0; facet_idx < this->stl.stats.number_of_facets; facet_idx++) {
if (seen_facets.find(facet_idx) != seen_facets.end()) {
if (seen_facets.find(facet_idx) == seen_facets.end()) {
// if facet was not seen put it into queue and start searching
facet_queue.push(facet_idx);
break;
}
@ -493,7 +501,7 @@ TriangleMesh::split() const
while (!facet_queue.empty()) {
int facet_idx = facet_queue.front();
facet_queue.pop();
if (seen_facets.find(facet_idx) == seen_facets.end()) continue;
if (seen_facets.find(facet_idx) != seen_facets.end()) continue;
facets.push_back(facet_idx);
for (int j = 0; j <= 2; j++) {
facet_queue.push(this->stl.neighbors_start[facet_idx].neighbor[j]);
@ -501,8 +509,8 @@ TriangleMesh::split() const
seen_facets.insert(facet_idx);
}
meshes.resize(meshes.size()+1);
TriangleMesh* mesh = &(meshes.back());
TriangleMesh* mesh = new TriangleMesh;
meshes.push_back(mesh);
stl_initialize(&mesh->stl);
mesh->stl.stats.type = inmemory;
mesh->stl.stats.number_of_facets = facets.size();