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https://github.com/HTDerekLiu/surface_multigrid_code
10 September 2021, 07:17:17 UTC
Revision fa347f1e4224b242b2167af2548bee35fe94c603 authored by HTDerekLiu on 01 March 2021, 20:34:44 UTC, committed by HTDerekLiu on 01 March 2021, 20:34:44 UTC 
add libigl
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Tip revision: fa347f1e4224b242b2167af2548bee35fe94c603 authored by HTDerekLiu on 01 March 2021, 20:34:44 UTC
add libigl
Tip revision: fa347f1
compute_barycentric.h 
#ifndef COMPUTE_BARYCENTRIC_h
#define COMPUTE_BARYCENTRIC_h

#include <Eigen/Core>
#include <iostream>
#include <math.h> 

// Compute the barycentric coordinate of a 2D query point "p" with respect to all the elements in a 2D triangle mesh (UV, F). 

// Inputs:
// p   location of the query point in 2D
// UV  #V-by-2 vertices of the 2D triangle mesh
// F   #F-by-3 faces of the 2D triangle mesh

// Outputs:
// B   #F-by-3 barycentric coordinates of p wrt each face F

void compute_barycentric(
  const Eigen::VectorXd & p,
  const Eigen::MatrixXd & UV,
  const Eigen::MatrixXi & F,
  Eigen::MatrixXd & B);
#endif
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