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Handle CGAL exceptions and add tests for mesh boolean operations

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Add conversion to exact predicates exact construction kernel format for consecutive booleans (experiments)
This commit is contained in:
tamasmeszaros 2020-02-05 17:39:56 +01:00
parent 6f777264a1
commit bd76c345f2
6 changed files with 231 additions and 128 deletions
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34
src/libslic3r/MeshBoolean.hpp
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@ -2,13 +2,23 @@
#define libslic3r_MeshBoolean_hpp_
#include <memory>
#include <exception>
#include <libslic3r/TriangleMesh.hpp>
#include <Eigen/Geometry>
namespace Slic3r {
class TriangleMesh;
namespace MeshBoolean {
using EigenMesh = std::pair<Eigen::MatrixXd, Eigen::MatrixXi>;
TriangleMesh eigen_to_triangle_mesh(const EigenMesh &emesh);
EigenMesh triangle_mesh_to_eigen(const TriangleMesh &mesh);
void minus(EigenMesh &A, const EigenMesh &B);
void self_union(EigenMesh &A);
void minus(TriangleMesh& A, const TriangleMesh& B);
void self_union(TriangleMesh& mesh);
@ -16,20 +26,22 @@ namespace cgal {
struct CGALMesh;
std::unique_ptr<CGALMesh> triangle_mesh_to_cgal(const TriangleMesh &M);
void cgal_to_triangle_mesh(const CGALMesh &cgalmesh, TriangleMesh &out);
struct CGALMeshDeleter { void operator()(CGALMesh *ptr); };
std::unique_ptr<CGALMesh, CGALMeshDeleter> triangle_mesh_to_cgal(const TriangleMesh &M);
TriangleMesh cgal_to_triangle_mesh(const CGALMesh &cgalmesh);
// Do boolean mesh difference with CGAL bypassing igl.
void minus(TriangleMesh &A, const TriangleMesh &B);
void plus(TriangleMesh &A, const TriangleMesh &B);
void intersect(TriangleMesh &A, const TriangleMesh &B);
// Do self union only with CGAL.
void self_union(TriangleMesh& mesh);
// does A = A - B
// CGAL takes non-const objects as arguments. I suppose it doesn't change B but
// there is no official garantee.
void minus(CGALMesh &A, CGALMesh &B);
void self_union(CGALMesh &A);
void plus(CGALMesh &A, CGALMesh &B);
void intersect(CGALMesh &A, CGALMesh &B);
bool does_self_intersect(const TriangleMesh &mesh);
bool does_self_intersect(const CGALMesh &mesh);
}