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76 lines
1.7 KiB
76 lines
1.7 KiB
#include <test_common.h>
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#include <igl/signed_distance.h>
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TEST_CASE("signed_distance: single_tet", "[igl]")
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{
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Eigen::MatrixXd V(4,3);
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V<<
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0,0,0,
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1,0,0,
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0,1,0,
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0,0,1;
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Eigen::MatrixXi F(4,3);
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F<<
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0,1,3,
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0,2,1,
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0,3,2,
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1,2,3;
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Eigen::MatrixXd P(1,3);
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P<<0.5,0.5,0.5;
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for(const igl::SignedDistanceType type :
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{
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igl::SIGNED_DISTANCE_TYPE_PSEUDONORMAL ,
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igl::SIGNED_DISTANCE_TYPE_WINDING_NUMBER,
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igl::SIGNED_DISTANCE_TYPE_DEFAULT ,
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igl::SIGNED_DISTANCE_TYPE_UNSIGNED ,
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igl::SIGNED_DISTANCE_TYPE_FAST_WINDING_NUMBER
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})
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{
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Eigen::VectorXd S;
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Eigen::VectorXi I;
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Eigen::MatrixXd C,N;
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igl::signed_distance( P,V,F,type,S,I,C,N);
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Eigen::VectorXd Sexact (1,1);Sexact<<sqrt(1./12.);
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if (type == igl::SIGNED_DISTANCE_TYPE_FAST_WINDING_NUMBER) {
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// loosen tolerance on fwn.
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test_common::assert_near(S,Sexact,1e-7);
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} else {
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test_common::assert_near(S,Sexact,1e-15);
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}
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}
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}
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TEST_CASE("signed_distance: single_triangle", "[igl]")
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{
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Eigen::MatrixXd V(3,2);
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V<<
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0,0,
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1,0,
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0,1;
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Eigen::MatrixXi F(3,2);
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F<<
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0,1,
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1,2,
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2,0;
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Eigen::MatrixXd P(1,2);
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P<<1,1;
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for(const igl::SignedDistanceType type :
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{
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igl::SIGNED_DISTANCE_TYPE_PSEUDONORMAL ,
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igl::SIGNED_DISTANCE_TYPE_WINDING_NUMBER,
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igl::SIGNED_DISTANCE_TYPE_DEFAULT ,
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igl::SIGNED_DISTANCE_TYPE_UNSIGNED
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})
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{
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Eigen::VectorXd S;
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Eigen::VectorXi I;
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Eigen::MatrixXd C,N;
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igl::signed_distance( P,V,F,type,S,I,C,N);
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Eigen::VectorXd Sexact (1,1);Sexact<<sqrt(2.)/2.;
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test_common::assert_near(S,Sexact,1e-15);
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}
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}
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