cpp/libigl: Simple MPL-2.0-licensed C++ geometry processing library. website: libigl.github.io/libigl/ Topics: #geometry-processing #3d #gamedev #mesh #editor #assets #tooling #internal #graphics @ alecjacobson/delete-tutorials-immediately

Alec Jacobson 724ff6b05a Remove deprecated functions (#2234)		2 年之前
..
copyleft	4498aa8dfc Bump CGAL → Boolean + remesh_*intersections performance boost (#1895)	3 年之前
embree	59b517a4a4 bump embree version; bump sse2 to avx2 (#1648)	5 年之前
mosek	aa40b908c9 updated gtest to catch	7 年之前
predicates	b0fd49d598 CMake refactor (#1805)	3 年之前
spectra	b1bd5b1216 spectra module (#2216)	2 年之前
triangle	e19a68cfa6 Bug fix flip_avoiding_line_search.h (#1968)	3 年之前
MshLoader.cpp	8c95d1044e Added improved .msh reader/writer + tests + example (#1578)	5 年之前
MshSaver.cpp	8c95d1044e Added improved .msh reader/writer + tests + example (#1578)	5 年之前
accumarray.cpp	1deb471727 extra boundary_facets outputs; better sort prototypes; templates; cleanup	7 年之前
avg_edge_length.cpp	6a7428694f rm load_mesh	6 年之前
barycentric_interpolation.cpp	1de2627280 tests	5 年之前
bbw.cpp	d3052ef4c7 Replace IGL_DEBUG_OFF with a [slow] tag for now.	6 年之前
bezier.cpp	4ab389d462 bezier eval and fit cubic bezier splin	5 年之前
blkdiag.cpp	775f2354fa blkdiag function	5 年之前
blue_noise.cpp	43da16bbd0 tighter test	5 年之前
boundary_facets.cpp	1c3d487d8e rm printing from some tests	3 年之前
boundary_loop.cpp	d3052ef4c7 Replace IGL_DEBUG_OFF with a [slow] tag for now.	6 年之前
cat.cpp	450935874f Extending igl::cat to work with std::vectors AND Allowing N-gons in writeOBJ (#1108)	6 年之前
circulation.cpp	1c3c7c7b6f ported new tests to catch2	7 年之前
cotmatrix.cpp	ad54f2dfe2 int->Index; depreacted pinv; trivial unit test	5 年之前
cotmatrix_entries.cpp	6a7428694f rm load_mesh	6 年之前
cotmatrix_intrinsic.cpp	d3052ef4c7 Replace IGL_DEBUG_OFF with a [slow] tag for now.	6 年之前
cr_vector_curvature_correction.cpp	8ea0b8c6dc Added vector Dirichlet and curved Hessian functionality (#1560)	5 年之前
cr_vector_laplacian.cpp	8ea0b8c6dc Added vector Dirichlet and curved Hessian functionality (#1560)	5 年之前
cumprod.cpp	1c3c7c7b6f ported new tests to catch2	7 年之前
cumsum.cpp	1c3c7c7b6f ported new tests to catch2	7 年之前
curved_hessian_energy.cpp	8ea0b8c6dc Added vector Dirichlet and curved Hessian functionality (#1560)	5 年之前
cut_mesh.cpp	f4d14cc7d1 change cut mask	6 年之前
cut_to_disk.cpp	6a7428694f rm load_mesh	6 年之前
decimate.cpp	724ff6b05a Remove deprecated functions (#2234)	2 年之前
delaunay_triangulation.cpp	4ce917d424 Issue 521 (#1327)	5 年之前
dijkstra.cpp	1df0987271 Fix issue with dijkstra algorithm (#1497)	5 年之前
direct_delta_mush.cpp	a3c3ef1572 update test too	5 年之前
dirname.cpp	aa40b908c9 updated gtest to catch	7 年之前
doublearea.cpp	d3052ef4c7 Replace IGL_DEBUG_OFF with a [slow] tag for now.	6 年之前
edge_exists_near.cpp	1c3c7c7b6f ported new tests to catch2	7 年之前
edge_flaps.cpp	d3052ef4c7 Replace IGL_DEBUG_OFF with a [slow] tag for now.	6 年之前
edge_lengths.cpp	6a7428694f rm load_mesh	6 年之前
exact_geodesic.cpp	30019acb17 exact_geodesic: fix bugs, clean up asserts, allow 2D (#2046)	3 年之前
facet_components.cpp	1aa35de249 passing facet_components unit test	5 年之前
fast_find_intersections.cpp	1d007f4252 Fast mesh-to-mesh intersection and mesh self intersection without CGAL (#2109)	2 年之前
fast_winding_number.cpp	d3052ef4c7 Replace IGL_DEBUG_OFF with a [slow] tag for now.	6 年之前
fit_cubic_bezier.cpp	4ab389d462 bezier eval and fit cubic bezier splin	5 年之前
grad.cpp	607148cf72 Misc compilation fixes for Eigen 3.3 compatibility.	7 年之前
grad_intrinsic.cpp	607148cf72 Misc compilation fixes for Eigen 3.3 compatibility.	7 年之前
grid.cpp	1c3c7c7b6f ported new tests to catch2	7 年之前
guess_extension.cpp	49a74590d4 cleand cmake and added INSTANTIATE_TEST_CASE_P	7 年之前
heat_geodesics.cpp	f3a201f1e1 Update heat_geodesics.cpp (#1512)	5 年之前
intrinsic_delaunay_cotmatrix.cpp	d3052ef4c7 Replace IGL_DEBUG_OFF with a [slow] tag for now.	6 年之前
intrinsic_delaunay_triangulation.cpp	1c3c7c7b6f ported new tests to catch2	7 年之前
is_delaunay.cpp	1c3c7c7b6f ported new tests to catch2	7 年之前
is_edge_manifold.cpp	d3052ef4c7 Replace IGL_DEBUG_OFF with a [slow] tag for now.	6 年之前
is_intrinsic_delaunay.cpp	1c3c7c7b6f ported new tests to catch2	7 年之前
is_irregular_vertex.cpp	6a7428694f rm load_mesh	6 年之前
is_symmetric.cpp	aa40b908c9 updated gtest to catch	7 年之前
ismember.cpp	aa40b908c9 updated gtest to catch	7 年之前
iterative_closest_point.cpp	d3052ef4c7 Replace IGL_DEBUG_OFF with a [slow] tag for now.	6 年之前
knn.cpp	21acee15fe making knn and octree work on more types than double, allowing knn to do nearest neighbor searches between two different point clouds (#1313)	5 年之前
linprog.cpp	b319a97447 Fix 1913; initialization bug; dimension bug; templates (#1914)	3 年之前
list_to_matrix.cpp	49a74590d4 cleand cmake and added INSTANTIATE_TEST_CASE_P	7 年之前
lscm.cpp	574ab1a3a8 test needs to be less strict	3 年之前
massmatrix.cpp	514271af51 Implement full type mass matrix (#2193)	2 年之前
min_quad_with_fixed.cpp	2e988bec2e more explicit template args for win	4 年之前
moments.cpp	238a607032 moments of mass (#2027)	3 年之前
orient_halfedges.cpp	8ea0b8c6dc Added vector Dirichlet and curved Hessian functionality (#1560)	5 年之前
path_to_edges.cpp	1c3d487d8e rm printing from some tests	3 年之前
path_to_executable.cpp	b0fd49d598 CMake refactor (#1805)	3 年之前
pathinfo.cpp	aa40b908c9 updated gtest to catch	7 年之前
per_face_normals.cpp	d3052ef4c7 Replace IGL_DEBUG_OFF with a [slow] tag for now.	6 年之前
polygon_corners.cpp	5a68b6e924 polygon corners test	5 年之前
principal_curvature.cpp	aaa89ffcbb Fix the order of principal curvature (#1767)	4 年之前
qslim.cpp	d3052ef4c7 Replace IGL_DEBUG_OFF with a [slow] tag for now.	6 年之前
quadprog.cpp	2e988bec2e more explicit template args for win	4 年之前
randperm.cpp	843438eab9 Fix logic error for URNG in igl::randperm	6 年之前
readDMAT.cpp	46a8dd2fd4 rm load_matrix	6 年之前
readMESH.cpp	7a3af9c851 Use unique filename for unit tests to avoid filesystem race conditions + update github actions for nightly job.	4 年之前
readMSH.cpp	8c95d1044e Added improved .msh reader/writer + tests + example (#1578)	5 年之前
readOBJ.cpp	1c3d487d8e rm printing from some tests	3 年之前
readOFF.cpp	6a7428694f rm load_mesh	6 年之前
readPLY.cpp	28a811da5d Fixed incorrect reading of per-face data (#1881)	3 年之前
remesh_along_isoline.cpp	3150c23b62 RM load_mesh and use igl::read_triangle_mesh() and test_common::data_path() in test for remesh_along_isoline as per https://github.com/libigl/libigl/pull/1365	5 年之前
repmat.cpp	d444bb173f Rework sparse repmat (#1819)	3 年之前
rigid_alignment.cpp	88e3dd1e3e iterative closest point alg, tutoiral, test	6 年之前
seam_edges.cpp	aa40b908c9 updated gtest to catch	7 年之前
segment_segment_intersect.cpp	16ce83c381 rename test	6 年之前
setdiff.cpp	aa40b908c9 updated gtest to catch	7 年之前
signed_distance.cpp	63b3669a87 test update...	5 年之前
slice.cpp	aa40b908c9 updated gtest to catch	7 年之前
slice_into.cpp	7174a7ac94 rm DynamicSparseMatrix; rm commented code; fix bug in slice_into; +tests (#2016)	3 年之前
slice_sorted.cpp	26053f696c Avoid involving Eigen/SparseExtra in slice. (#1370)	5 年之前
sort.cpp	49a74590d4 cleand cmake and added INSTANTIATE_TEST_CASE_P	7 年之前
sparse_voxel_grid.cpp	4d628e75fe sparse_voxel_grid test	5 年之前
split_nonmanifold.cpp	33ed4e010b Split mesh non-manifold (and non-orientable) edges and non-manifold vertices (#2047)	3 年之前
squared_edge_lengths.cpp	6a7428694f rm load_mesh	6 年之前
tet_tet_adjacency.cpp	49a74590d4 cleand cmake and added INSTANTIATE_TEST_CASE_P	7 年之前
triangle_triangle_adjacency.cpp	d3052ef4c7 Replace IGL_DEBUG_OFF with a [slow] tag for now.	6 年之前
triangulated_grid.cpp	1c3c7c7b6f ported new tests to catch2	7 年之前
unique.cpp	aa40b908c9 updated gtest to catch	7 年之前
unique_simplices.cpp	1c3c7c7b6f ported new tests to catch2	7 年之前
upsample.cpp	d3052ef4c7 Replace IGL_DEBUG_OFF with a [slow] tag for now.	6 年之前
writeMSH.cpp	8c95d1044e Added improved .msh reader/writer + tests + example (#1578)	5 年之前
writePLY.cpp	e91fb2b9e0 Fixes a bug in writePLY introduced in dfda6de04ee733a7b00b1edc57051d1fee78b219 (#1867)	3 年之前

		
			
			
				readMESH.cpp
			
		
		
	
			
				#include 

#include 

#include 
#include 

TEST_CASE("readMESH: single-tet","[igl]")
{
  const std::string filename = "readMESH_single-tet.mesh";
  std::ofstream(filename)<< R"(MeshVersionFormatted 1
Dimension 3
Vertices
4
0 0 0 0
0 0 1 0
0 1 0 0
1 0 0 0
Triangles
0
Tetrahedra
1
1 2 3 4 0
End
  )";

  Eigen::MatrixXd V;
  Eigen::MatrixXi T,F;
  igl::readMESH(filename,V,T,F);
  REQUIRE(V.rows() == 4);
  REQUIRE(T.rows() == 1);
  REQUIRE(T(0,0) == 0);
  REQUIRE(F.rows() == 0);

}


TEST_CASE("readMESH: no-triangles-line","[igl]")
{
  const std::string filename = "readMESH_no-triangles-line.mesh";
  std::ofstream(filename)<< R"(MeshVersionFormatted 1
Dimension 3
Vertices
4
0 0 0 0
0 0 1 0
0 1 0 0
1 0 0 0
Tetrahedra
1
1 2 3 4 0
  )";

  Eigen::MatrixXd V;
  Eigen::MatrixXi T,F;
  igl::readMESH(filename,V,T,F);
  REQUIRE(V.rows() == 4);
  REQUIRE(T.rows() == 1);
  REQUIRE(T(0,0) == 0);
  REQUIRE(F.rows() == 0);

}


TEST_CASE("readMESH: mesh-version-formatted-2","[igl]")
{
  const std::string filename = "readMESH_mesh-version-formatted-2.mesh";
  std::ofstream(filename)<< R"(MeshVersionFormatted 2
Dimension 3
Vertices
4
0 0 0 0
0 0 1 0
0 1 0 0
1 0 0 0
Triangles
0
Tetrahedra
1
1 2 3 4 0
End
  )";

  Eigen::MatrixXd V;
  Eigen::MatrixXi T,F;
  igl::readMESH(filename,V,T,F);
  REQUIRE(V.rows() == 4);
  REQUIRE(T.rows() == 1);
  REQUIRE(T(0,0) == 0);
  REQUIRE(F.rows() == 0);

}


			
		