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5b89cb9 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 | // This file is part of libigl, a simple c++ geometry processing library.
//
// Copyright (C) 2018 Alec Jacobson <alecjacobson@gmail.com>
//
// This Source Code Form is subject to the terms of the Mozilla Public License
// v. 2.0. If a copy of the MPL was not distributed with this file, You can
// obtain one at http://mozilla.org/MPL/2.0/.
#include <test_common.h>
#include <igl/barycentric_interpolation.h>
TEST_CASE("barycentric_interpolation: two-triangles", "[igl]")
{
const Eigen::MatrixXd V =
(Eigen::MatrixXd(4,3) <<
0,0,0,
1,0,0,
1,1,0,
0,1,0).finished();
const Eigen::MatrixXi F =
(Eigen::MatrixXi(2,3) << 0,1,2,0,2,3).finished();
const Eigen::VectorXi I =
(Eigen::VectorXi(4,1)<<0,0,1,1).finished();
const Eigen::MatrixXd B =
(Eigen::MatrixXd(4,3)<<
1,0,0,
0.5,0.5,0,
0.5,0.5,0,
0.25,0.25,0.5
).finished();
const Eigen::MatrixXd Xgt =
(Eigen::MatrixXd(4,3)<<
0,0,0,
0.5,0,0,
0.5,0.5,0,
0.25,0.75,0
).finished();
Eigen::MatrixXd X;
igl::barycentric_interpolation(V,F,B,I,X);
test_common::assert_eq(X,Xgt);
}
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