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53 lines
1.6 KiB
53 lines
1.6 KiB
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#include <test_common.h>
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#include <igl/upsample.h>
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TEST_CASE("upsample: single_triangle", "[igl]")
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{
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Eigen::MatrixXi NF_groundtruth(4,3);
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NF_groundtruth << 0,3,5 ,1,4,3 ,3,4,5 ,4,2,5;
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Eigen::MatrixXd NV_groundtruth(6,2);
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NV_groundtruth <<0,0 ,1,0 ,0,1 ,0.5,0 ,0.5,0.5 ,0,0.5;
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Eigen::MatrixXd S_groundtruth(6,3);
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S_groundtruth<<1,0,0 ,0,1,0 ,0,0,1 ,0.5,0.5,0 ,0,0.5,0.5 ,0.5,0,0.5;
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Eigen::MatrixXi F(1,3);
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F<<0,1,2;
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Eigen::MatrixXd V(3,2);
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V<<0,0,1,0,0,1;
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Eigen::MatrixXi NF;
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Eigen::MatrixXd NV;
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Eigen::SparseMatrix<double> S;
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igl::upsample(V.rows(),F,S,NF);
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test_common::assert_eq(NF_groundtruth,NF);
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test_common::assert_eq(S_groundtruth,Eigen::MatrixXd(S));
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igl::upsample(V,F,NV,NF);
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test_common::assert_eq(NF_groundtruth,NF);
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test_common::assert_eq(NV_groundtruth,NV);
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}
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TEST_CASE("upsample: V_comes_first_F_ordering", "[igl]" "[slow]")
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{
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const auto test_case = [](const std::string ¶m)
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{
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Eigen::MatrixXd V,NV;
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Eigen::MatrixXi F,NF;
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// Load example mesh: GetParam() will be name of mesh file
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igl::read_triangle_mesh(test_common::data_path(param), V, F);
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igl::upsample(V,F,NV,NF);
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REQUIRE (V.rows() <= NV.rows());
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REQUIRE (4*F.rows() == NF.rows());
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// V should be first part of V
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test_common::assert_eq(V,NV.topLeftCorner(V.rows(),V.cols()));
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// Expect a particular order
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for(int f = 0;f<F.rows();f++)
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{
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REQUIRE (NF((f*4)+0,0) == F(f,0));
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REQUIRE (NF((f*4)+1,0) == F(f,1));
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REQUIRE (NF((f*4)+3,1) == F(f,2));
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}
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};
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test_common::run_test_cases(test_common::manifold_meshes(), test_case);
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}
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