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Merge pull request #167 from libigl/alecjacobson/cgal
CGAL module
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| Original file line number | Diff line number | Diff line change |
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| @@ -1 +1 @@ | ||
| __version__ = "2.5.0dev" | ||
| __version__ = "2.5.2dev" |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,31 @@ | ||
| #include <npe.h> | ||
| #include <typedefs.h> | ||
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| #include <igl/copyleft/cgal/convex_hull.h> | ||
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| const char* ds_convex_hull = R"igl_Qu8mg5v7( | ||
| Given a set of points (V), compute the convex hull as a triangle mesh (F) | ||
| Parameters | ||
| ---------- | ||
| V : #V by 3 list of input points | ||
| Returns | ||
| ------- | ||
| F #F by 3 list of triangle indices into V | ||
| )igl_Qu8mg5v7"; | ||
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| npe_function(convex_hull) | ||
| npe_doc(ds_convex_hull) | ||
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| npe_arg(v, dense_float, dense_double) | ||
| npe_begin_code() | ||
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| EigenDenseInt g; | ||
| // when https://github.com/libigl/libigl/pull/1989 is merged this copy should | ||
| // be removed | ||
| Eigen::MatrixXd v_copy = v.template cast<double>(); | ||
| igl::copyleft::cgal::convex_hull(v_copy, g); | ||
| return npe::move(g); | ||
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| npe_end_code() |
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| #include <npe.h> | ||
| #include <typedefs.h> | ||
| #include <igl/copyleft/cgal/intersect_other.h> | ||
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| const char* ds_intersect_other = R"igl_Qu8mg5v7( | ||
| INTERSECT_OTHER Given a triangle mesh (VA,FA) and another mesh (VB,FB) find all | ||
| pairs of intersecting faces. Note that self-intersections are ignored. | ||
| Parameters | ||
| ---------- | ||
| VA : #VA by 3 list of vertex positions of first mesh | ||
| FA : #FA by 3 list of triangle indices into VA | ||
| VB : #VB by 3 list of vertex positions of second mesh | ||
| FB : #FB by 3 list of triangle indices into VB | ||
| detect_only : avoid constructing intersections results when possible {false} | ||
| first_only : return after detecting the first intersection (if | ||
| first_only==true, then detect_only should also be true) {false} | ||
| stitch_all : whether to stitch all resulting constructed elements into a | ||
| (non-manifold) mesh {false} | ||
| slow_and_more_precise_rounding : whether to use slow and more precise | ||
| rounding (see assign_scalar) {false} | ||
| Returns | ||
| ------- | ||
| IF : #intersecting face pairs by 2 list of intersecting face pairs, indexing F | ||
| VVAB : #VVAB by 3 list of vertex positions | ||
| FFAB : #FFAB by 3 list of triangle indices into VVAB | ||
| JAB : #FFAB list of indices into [FA;FB] denoting birth triangle | ||
| IMAB : #VVAB list of indices stitching duplicates (resulting from | ||
| mesh intersections) together | ||
| See also | ||
| -------- | ||
| mesh_boolean | ||
| )igl_Qu8mg5v7"; | ||
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| npe_function(intersect_other) | ||
| npe_doc( ds_intersect_other) | ||
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| npe_arg(VA, dense_float, dense_double) | ||
| npe_arg(FA, dense_int, dense_long, dense_longlong) | ||
| npe_arg(VB, npe_matches(VA)) | ||
| npe_arg(FB, npe_matches(FA)) | ||
| npe_default_arg(detect_only, bool, false) | ||
| npe_default_arg(first_only, bool, false) | ||
| npe_default_arg(stitch_all, bool, false) | ||
| // Awaiting bump in libigl | ||
| //npe_default_arg(slow_and_more_precise_rounding, bool, false) | ||
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| npe_begin_code() | ||
| Eigen::MatrixXd VAcpy = VA.template cast<double>(); | ||
| Eigen::MatrixXi FAcpy = FA.template cast<int>(); | ||
| Eigen::MatrixXd VBcpy = VB.template cast<double>(); | ||
| Eigen::MatrixXi FBcpy = FB.template cast<int>(); | ||
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| Eigen::MatrixXd VVABcpy; | ||
| Eigen::MatrixXi FFABcpy; | ||
| Eigen::VectorXi JABcpy; | ||
| Eigen::VectorXi IMABcpy; | ||
| Eigen::MatrixXi IFcpy; | ||
| igl::copyleft::cgal::RemeshSelfIntersectionsParam params; | ||
| params.detect_only = detect_only; | ||
| params.first_only = first_only; | ||
| params.stitch_all = stitch_all; | ||
| //params.slow_and_more_precise_rounding = slow_and_more_precise_rounding; | ||
| igl::copyleft::cgal::intersect_other( | ||
| VAcpy,FAcpy,VBcpy,FBcpy,params,IFcpy,VVABcpy,FFABcpy,JABcpy,IMABcpy); | ||
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| EigenDenseLike<npe_Matrix_FA> IF = IFcpy.cast<typename decltype(IF )::Scalar>(); | ||
| EigenDenseLike<npe_Matrix_VA> VVAB = VVABcpy.cast<typename decltype(VVAB)::Scalar>(); | ||
| EigenDenseLike<npe_Matrix_FA> FFAB = FFABcpy.cast<typename decltype(FFAB)::Scalar>(); | ||
| EigenDenseLike<npe_Matrix_FA> JAB = JABcpy.cast<typename decltype( JAB)::Scalar>(); | ||
| EigenDenseLike<npe_Matrix_FA> IMAB = IMABcpy.cast<typename decltype(IMAB)::Scalar>(); | ||
| return std::make_tuple( | ||
| npe::move(IF), | ||
| npe::move(VVAB), | ||
| npe::move(FFAB), | ||
| npe::move( JAB), | ||
| npe::move(IMAB)); | ||
| npe_end_code() | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,63 @@ | ||
| #include <npe.h> | ||
| #include <typedefs.h> | ||
| #include <igl/copyleft/cgal/mesh_boolean.h> | ||
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| const char* ds_mesh_boolean = R"igl_Qu8mg5v7( | ||
| MESH_BOOLEAN Compute boolean csg operations on "solid", consistently oriented | ||
| meshes. | ||
| Parameters | ||
| ---------- | ||
| VA : #VA by 3 list of vertex positions of first mesh | ||
| FA : #FA by 3 list of triangle indices into VA | ||
| VB : #VB by 3 list of vertex positions of second mesh | ||
| FB : #FB by 3 list of triangle indices into VB | ||
| Returns | ||
| ------- | ||
| VC : #VC by 3 list of vertex positions of boolean result mesh | ||
| FC : #FC by 3 list of triangle indices into VC | ||
| J : #FC list of indices into [FA;FA.rows()+FB] revealing "birth" facet | ||
| See also | ||
| -------- | ||
| mesh_boolean_cork, intersect_other, remesh_self_intersections | ||
| )igl_Qu8mg5v7"; | ||
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| npe_function(mesh_boolean) | ||
| npe_doc(ds_mesh_boolean) | ||
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| npe_arg(va, dense_float, dense_double) | ||
| npe_arg(fa, dense_int, dense_long, dense_longlong) | ||
| npe_arg(vb, npe_matches(va)) | ||
| npe_arg(fb, npe_matches(fa)) | ||
| npe_arg(type, std::string) | ||
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| npe_begin_code() | ||
| Eigen::MatrixXd va_copy = va.template cast<double>(); | ||
| Eigen::MatrixXd vb_copy = vb.template cast<double>(); | ||
| Eigen::MatrixXi fa_copy = fa.template cast<int>(); | ||
| Eigen::MatrixXi fb_copy = fb.template cast<int>(); | ||
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| Eigen::MatrixXd vc_copy; | ||
| Eigen::MatrixXi fc_copy; | ||
| Eigen::VectorXi j_copy; | ||
| igl::copyleft::cgal::mesh_boolean( | ||
| va_copy, | ||
| fa_copy, | ||
| vb_copy, | ||
| fb_copy, | ||
| type, | ||
| vc_copy, | ||
| fc_copy, | ||
| j_copy); | ||
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| EigenDenseLike<npe_Matrix_va> vc = vc_copy.cast<typename decltype(vc)::Scalar>(); | ||
| EigenDenseLike<npe_Matrix_fa> fc = fc_copy.cast<typename decltype(fc)::Scalar>(); | ||
| EigenDenseLike<npe_Matrix_fa> j = j_copy.cast<typename decltype( j)::Scalar>(); | ||
| return std::make_tuple(npe::move(vc), npe::move(fc), npe::move(j)); | ||
| npe_end_code() | ||
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