File size: 2,534 Bytes
f6dd1c2 | 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 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 | #ifndef IO_H
#define IO_H
#include <cstdio>
#include "pch.h"
#include "Types.h"
inline bool read_by_openmesh(const std::string filename, Mesh& mesh)
{
OpenMesh::IO::Options opt_read = OpenMesh::IO::Options::VertexNormal;
mesh.request_vertex_normals();
bool read_OK = OpenMesh::IO::read_mesh(mesh, filename,opt_read);
std::cout << "filename = " << filename << std::endl;
if (read_OK)
{
mesh.request_vertex_status();
mesh.request_edge_status();
mesh.request_face_status();
mesh.request_face_normals();
mesh.update_face_normals();
if(mesh.n_faces()>0)
mesh.update_vertex_normals();
Vec3 MeshScales;
MeshScales[0] = 0.0; MeshScales[1] = 0.0; MeshScales[2] = 0.0;
for (Mesh::VertexIter v_it = mesh.vertices_begin(); v_it != mesh.vertices_end(); ++v_it)
{
MeshScales += mesh.point(*v_it);
}
MeshScales /= mesh.n_vertices();
return true;
}
std::cout << "#vertices = " << mesh.n_vertices() << std::endl;
return false;
}
//---openmesh for output
inline bool write_by_openmesh(const char* filename, Mesh& mesh, Scalar scale)
{
for (Mesh::VertexIter v_it = mesh.vertices_begin(); v_it != mesh.vertices_end(); ++v_it)
{
mesh.point(*v_it) = mesh.point(*v_it)*scale;
}
OpenMesh::IO::Options opt_write = OpenMesh::IO::Options::VertexNormal;
bool ok = OpenMesh::IO::write_mesh(mesh, filename,opt_write);
return ok;
}
// If it exists, read the initial rigid transformation matrix.
template <class MatrixType>
bool read_transMat(MatrixType& trans, const std::string& filename)
{
std::ifstream input(filename);
std::string line;
int rows, cols;
std::vector<std::vector<double>> total_data;
while (getline(input, line)) {
if(line[0] == 'V' || line[0] == 'M')
continue;
std::istringstream iss(line);
std::vector<double> lineVec;
while (iss) {
double item;
if (iss >> item)
lineVec.push_back(item);
}
cols = lineVec.size();
total_data.push_back(lineVec);
}
if (total_data.size() == 0)
{
std::cout << filename << " is empty !! " << std::endl;
return false;
}
rows = total_data.size();
trans.resize(rows, cols);
std::cout << "rows = " << rows << " cols = " << cols << std::endl;
for (int i = 0; i < rows; i++)
{
for (int j = 0; j < cols; j++)
{
trans(i, j) = total_data[i][j];
}
}
input.close();
std::cout << "read trans = \n" << trans << std::endl;
return true;
}
#endif // IO_H |