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Enhanced hollowing scheme, closing distance working as expected.

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tamasmeszaros 2019-11-08 16:51:43 +01:00
parent 4b08865809
commit ac8eab5fa8
10 changed files with 160 additions and 165 deletions
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33
src/libslic3r/OpenVDBUtils.hpp
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@ -7,26 +7,37 @@
namespace Slic3r {
openvdb::FloatGrid::Ptr meshToVolume(const TriangleMesh & mesh,
inline Vec3f to_vec3f(const openvdb::Vec3s &v) { return Vec3f{v.x(), v.y(), v.z()}; }
inline Vec3d to_vec3d(const openvdb::Vec3s &v) { return to_vec3f(v).cast<double>(); }
inline Vec3i to_vec3i(const openvdb::Vec3I &v) { return Vec3i{int(v[0]), int(v[1]), int(v[2])}; }
inline Vec4i to_vec4i(const openvdb::Vec4I &v) { return Vec4i{int(v[0]), int(v[1]), int(v[2]), int(v[3])}; }
openvdb::FloatGrid::Ptr mesh_to_grid(const TriangleMesh & mesh,
const openvdb::math::Transform &tr = {},
float exteriorBandWidth = 3.0f,
float interiorBandWidth = 3.0f,
int flags = 0);
TriangleMesh volumeToMesh(const openvdb::FloatGrid &grid,
openvdb::FloatGrid::Ptr mesh_to_grid(const sla::Contour3D & mesh,
const openvdb::math::Transform &tr = {},
float exteriorBandWidth = 3.0f,
float interiorBandWidth = 3.0f,
int flags = 0);
sla::Contour3D grid_to_contour3d(const openvdb::FloatGrid &grid,
double isovalue,
double adaptivity,
bool relaxDisorientedTriangles = true);
TriangleMesh grid_to_mesh(const openvdb::FloatGrid &grid,
double isovalue = 0.0,
double adaptivity = 0.0,
bool relaxDisorientedTriangles = true);
using HollowingFilter = std::function<void(openvdb::FloatGrid& grid, double thickness, double scale)>;
// Generate an interior for any solid geometry maintaining a given minimum
// wall thickness. The returned mesh has triangles with normals facing inside
// the mesh so the result can be directly merged with the input to finish the
// hollowing.
TriangleMesh hollowed_interior(const TriangleMesh &mesh, double min_thickness,
double quality = 0.5,
HollowingFilter filt = nullptr);
openvdb::FloatGrid::Ptr redistance_grid(const openvdb::FloatGrid &grid,
double iso,
double ext_range = 3.,
double int_range = 3.);
} // namespace Slic3r