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Extended tesselation wrapper for other 3d and 2d point types.

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This commit is contained in:
bubnikv 2019-02-08 09:26:48 +01:00
parent 4357c80793
commit d0553ece0e
5 changed files with 63 additions and 14 deletions
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1
src/libslic3r/Point.hpp
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@ -22,6 +22,7 @@ typedef Point Vector;
// Vector types with a fixed point coordinate base type.
typedef Eigen::Matrix<coord_t, 2, 1, Eigen::DontAlign> Vec2crd;
typedef Eigen::Matrix<coord_t, 3, 1, Eigen::DontAlign> Vec3crd;
typedef Eigen::Matrix<int, 2, 1, Eigen::DontAlign> Vec2i;
typedef Eigen::Matrix<int, 3, 1, Eigen::DontAlign> Vec3i;
typedef Eigen::Matrix<int64_t, 2, 1, Eigen::DontAlign> Vec2i64;
typedef Eigen::Matrix<int64_t, 3, 1, Eigen::DontAlign> Vec3i64;

56
src/libslic3r/Tesselate.cpp
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@ -20,7 +20,7 @@ public:
gluDeleteTess(m_tesselator);
}
Pointf3s tesselate(const ExPolygon &expoly, double z_, bool flipped_)
std::vector<Vec3d> tesselate3d(const ExPolygon &expoly, double z_, bool flipped_)
{
m_z = z_;
m_flipped = flipped_;
@ -56,7 +56,7 @@ public:
return std::move(m_output_triangles);
}
Pointf3s tesselate(const ExPolygons &expolygons, double z_, bool flipped_)
std::vector<Vec3d> tesselate3d(const ExPolygons &expolygons, double z_, bool flipped_)
{
m_z = z_;
m_flipped = flipped_;
@ -189,16 +189,60 @@ private:
bool m_flipped;
};
Pointf3s triangulate_expolygons_3df(const ExPolygon &poly, coordf_t z, bool flip)
std::vector<Vec3d> triangulate_expolygon_3d(const ExPolygon &poly, coordf_t z, bool flip)
{
GluTessWrapper tess;
return tess.tesselate(poly, z, flip);
return tess.tesselate3d(poly, z, flip);
}
Pointf3s triangulate_expolygons_3df(const ExPolygons &polys, coordf_t z, bool flip)
std::vector<Vec3d> triangulate_expolygons_3d(const ExPolygons &polys, coordf_t z, bool flip)
{
GluTessWrapper tess;
return tess.tesselate(polys, z, flip);
return tess.tesselate3d(polys, z, flip);
}
std::vector<Vec2d> triangulate_expolygon_2d(const ExPolygon &poly, bool flip)
{
GluTessWrapper tess;
std::vector<Vec3d> triangles = tess.tesselate3d(poly, 0, flip);
std::vector<Vec2d> out;
out.reserve(triangles.size());
for (const Vec3d &pt : triangles)
out.emplace_back(pt.x(), pt.y());
return out;
}
std::vector<Vec2d> triangulate_expolygons_2d(const ExPolygons &polys, bool flip)
{
GluTessWrapper tess;
std::vector<Vec3d> triangles = tess.tesselate3d(polys, 0, flip);
std::vector<Vec2d> out;
out.reserve(triangles.size());
for (const Vec3d &pt : triangles)
out.emplace_back(pt.x(), pt.y());
return out;
}
std::vector<Vec2f> triangulate_expolygon_2f(const ExPolygon &poly, bool flip)
{
GluTessWrapper tess;
std::vector<Vec3d> triangles = tess.tesselate3d(poly, 0, flip);
std::vector<Vec2f> out;
out.reserve(triangles.size());
for (const Vec3d &pt : triangles)
out.emplace_back(float(pt.x()), float(pt.y()));
return out;
}
std::vector<Vec2f> triangulate_expolygons_2f(const ExPolygons &polys, bool flip)
{
GluTessWrapper tess;
std::vector<Vec3d> triangles = tess.tesselate3d(polys, 0, flip);
std::vector<Vec2f> out;
out.reserve(triangles.size());
for (const Vec3d &pt : triangles)
out.emplace_back(float(pt.x()), float(pt.y()));
return out;
}
} // namespace Slic3r

8
src/libslic3r/Tesselate.hpp
View file

@ -10,8 +10,12 @@ namespace Slic3r {
class ExPolygon;
typedef std::vector<ExPolygon> ExPolygons;
extern Pointf3s triangulate_expolygons_3df(const ExPolygon &poly, coordf_t z = 0, bool flip = false);
extern Pointf3s triangulate_expolygons_3df(const ExPolygons &polys, coordf_t z = 0, bool flip = false);
extern std::vector<Vec3d> triangulate_expolygon_3d (const ExPolygon &poly, coordf_t z = 0, bool flip = false);
extern std::vector<Vec3d> triangulate_expolygons_3d(const ExPolygons &polys, coordf_t z = 0, bool flip = false);
extern std::vector<Vec2d> triangulate_expolygon_2d (const ExPolygon &poly, bool flip = false);
extern std::vector<Vec2d> triangulate_expolygons_2d(const ExPolygons &polys, bool flip = false);
extern std::vector<Vec2f> triangulate_expolygon_2f (const ExPolygon &poly, bool flip = false);
extern std::vector<Vec2f> triangulate_expolygons_2f(const ExPolygons &polys, bool flip = false);
} // namespace Slic3r

4
src/libslic3r/TriangleMesh.cpp
View file

@ -1781,7 +1781,7 @@ void TriangleMeshSlicer::cut(float z, TriangleMesh* upper, TriangleMesh* lower)
BOOST_LOG_TRIVIAL(trace) << "TriangleMeshSlicer::cut - triangulating upper part";
ExPolygons section;
this->make_expolygons_simple(upper_lines, &section);
Pointf3s triangles = triangulate_expolygons_3df(section, z, true);
Pointf3s triangles = triangulate_expolygons_3d(section, z, true);
stl_facet facet;
facet.normal = stl_normal(0, 0, -1.f);
for (size_t i = 0; i < triangles.size(); ) {
@ -1795,7 +1795,7 @@ void TriangleMeshSlicer::cut(float z, TriangleMesh* upper, TriangleMesh* lower)
BOOST_LOG_TRIVIAL(trace) << "TriangleMeshSlicer::cut - triangulating lower part";
ExPolygons section;
this->make_expolygons_simple(lower_lines, &section);
Pointf3s triangles = triangulate_expolygons_3df(section, z, false);
Pointf3s triangles = triangulate_expolygons_3d(section, z, false);
stl_facet facet;
facet.normal = stl_normal(0, 0, -1.f);
for (size_t i = 0; i < triangles.size(); ) {

8
src/slic3r/GUI/GLCanvas3D.cpp
View file

@ -6833,20 +6833,20 @@ void GLCanvas3D::_render_sla_slices() const
{
// calculate model bottom cap
if (bottom_obj_triangles.empty() && (it_min_z->second.model_slices_idx < model_slices.size()))
bottom_obj_triangles = triangulate_expolygons_3df(model_slices[it_min_z->second.model_slices_idx], min_z, true);
bottom_obj_triangles = triangulate_expolygons_3d(model_slices[it_min_z->second.model_slices_idx], min_z, true);
// calculate support bottom cap
if (bottom_sup_triangles.empty() && (it_min_z->second.support_slices_idx < support_slices.size()))
bottom_sup_triangles = triangulate_expolygons_3df(support_slices[it_min_z->second.support_slices_idx], min_z, true);
bottom_sup_triangles = triangulate_expolygons_3d(support_slices[it_min_z->second.support_slices_idx], min_z, true);
}
if (it_max_z != index.end())
{
// calculate model top cap
if (top_obj_triangles.empty() && (it_max_z->second.model_slices_idx < model_slices.size()))
top_obj_triangles = triangulate_expolygons_3df(model_slices[it_max_z->second.model_slices_idx], max_z, false);
top_obj_triangles = triangulate_expolygons_3d(model_slices[it_max_z->second.model_slices_idx], max_z, false);
// calculate support top cap
if (top_sup_triangles.empty() && (it_max_z->second.support_slices_idx < support_slices.size()))
top_sup_triangles = triangulate_expolygons_3df(support_slices[it_max_z->second.support_slices_idx], max_z, false);
top_sup_triangles = triangulate_expolygons_3d(support_slices[it_max_z->second.support_slices_idx], max_z, false);
}
}