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main.cpp
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main.cpp
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#include "poisson_surface_reconstruction.h"
#include <igl/list_to_matrix.h>
#include <igl/opengl/glfw/Viewer.h>
#include <Eigen/Core>
#include <string>
#include <iostream>
#include <fstream>
#include <sstream>
#include <vector>
#include <cstdlib>
int main(int argc, char *argv[])
{
// Load in points + normals from .pwn file
Eigen::MatrixXd P,N;
{
Eigen::MatrixXd D;
std::vector<std::vector<double> > vD;
std::string line;
std::fstream in;
in.open(argc>1?argv[1]:"../data/hand.pwn");
while(in)
{
std::getline(in, line);
std::vector<double> row;
std::stringstream stream_line(line);
double value;
while(stream_line >> value) row.push_back(value);
if(!row.empty()) vD.push_back(row);
}
if(!igl::list_to_matrix(vD,D)) return EXIT_FAILURE;
assert(D.cols() == 6 && "pwn file should have 6 columns");
P = D.leftCols(3);
N = D.rightCols(3);
}
// Reconstruct mesh
Eigen::MatrixXd V;
Eigen::MatrixXi F;
poisson_surface_reconstruction(P,N,V,F);
// Create a libigl Viewer object to toggle between point cloud and mesh
igl::opengl::glfw::Viewer viewer;
std::cout<<R"(
P,p view point cloud
M,m view mesh
)";
const auto set_points = [&]()
{
viewer.data().clear();
viewer.data().set_points(P,Eigen::RowVector3d(1,1,1));
viewer.data().add_edges(P,(P+0.01*N).eval(),Eigen::RowVector3d(1,0,0));
};
set_points();
viewer.callback_key_pressed = [&](igl::opengl::glfw::Viewer&, unsigned int key,int)
{
switch(key)
{
case 'P':
case 'p':
set_points();
return true;
case 'M':
case 'm':
viewer.data().clear();
viewer.data().set_mesh(V,F);
return true;
}
return false;
};
viewer.data().point_size = 2;
viewer.launch();
return EXIT_SUCCESS;
}