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40 lines
1.1 KiB
40 lines
1.1 KiB
// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2018 Alec Jacobson <alecjacobson@gmail.com>
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//
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// This Source Code Form is subject to the terms of the Mozilla Public License
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// v. 2.0. If a copy of the MPL was not distributed with this file, You can
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// obtain one at http://mozilla.org/MPL/2.0/.
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#include <test_common.h>
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#include <igl/barycentric_interpolation.h>
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TEST_CASE("barycentric_interpolation: two-triangles", "[igl]")
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{
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const Eigen::MatrixXd V =
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(Eigen::MatrixXd(4,3) <<
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0,0,0,
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1,0,0,
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1,1,0,
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0,1,0).finished();
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const Eigen::MatrixXi F =
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(Eigen::MatrixXi(2,3) << 0,1,2,0,2,3).finished();
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const Eigen::VectorXi I =
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(Eigen::VectorXi(4,1)<<0,0,1,1).finished();
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const Eigen::MatrixXd B =
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(Eigen::MatrixXd(4,3)<<
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1,0,0,
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0.5,0.5,0,
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0.5,0.5,0,
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0.25,0.25,0.5
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).finished();
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const Eigen::MatrixXd Xgt =
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(Eigen::MatrixXd(4,3)<<
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0,0,0,
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0.5,0,0,
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0.5,0.5,0,
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0.25,0.75,0
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).finished();
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Eigen::MatrixXd X;
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igl::barycentric_interpolation(V,F,B,I,X);
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test_common::assert_eq(X,Xgt);
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}
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