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Add check of neighbors

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Add store triangle for debug purpose
This commit is contained in:
Filip Sykala 2021-08-16 11:53:37 +02:00
parent ef5c94f90a
commit 62f8ab1cbe
3 changed files with 164 additions and 2 deletions
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42
src/libslic3r/TriangleMesh.cpp
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@ -957,6 +957,48 @@ int its_compactify_vertices(indexed_triangle_set &its, bool shrink_to_fit)
return removed;
}
bool its_store_triangle(const indexed_triangle_set &its,
const char * obj_filename,
size_t triangle_index)
{
if (its.indices.size() <= triangle_index) return false;
Vec3i t = its.indices[triangle_index];
indexed_triangle_set its2;
its2.indices = {{0, 1, 2}};
its2.vertices = {its.vertices[t[0]], its.vertices[t[1]],
its.vertices[t[2]]};
return its_write_obj(its2, obj_filename);
}
bool its_store_triangles(const indexed_triangle_set &its,
const char * obj_filename,
const std::vector<size_t> & triangles)
{
indexed_triangle_set its2;
its2.vertices.reserve(triangles.size() * 3);
its2.indices.reserve(triangles.size());
std::map<size_t, size_t> vertex_map;
for (auto ti : triangles) {
if (its.indices.size() <= ti) return false;
Vec3i t = its.indices[ti];
Vec3i new_t;
for (size_t i = 0; i < 3; ++i) {
size_t vi = t[i];
auto it = vertex_map.find(vi);
if (it != vertex_map.end()) {
new_t[i] = it->second;
continue;
}
size_t new_vi = its2.vertices.size();
its2.vertices.push_back(its.vertices[vi]);
vertex_map[vi] = new_vi;
new_t[i] = new_vi;
}
its2.indices.push_back(new_t);
}
return its_write_obj(its2, obj_filename);
}
void its_shrink_to_fit(indexed_triangle_set &its)
{
its.indices.shrink_to_fit();