mesh_conv::MC_grid_3d_scalar_slicer Class Reference

helper class to slice a MC_grid_3d More...

#include <MC_grid_3d_scalar_slicer.hpp>

List of all members.

Static Public Member Functions
static MC_double_vector	slice (const MC_grid_3d_scalar &potential, const MC_mesh_index_vector &mesh)
	slice along a normal direction and a position
static void	export_square_ppm (std::ofstream &stream, const MC_double_vector &value, const unsigned int &N0, const unsigned int &N1)
	helper to export a square slice as a texture in ppm format
static void	export_square_ppm_file (const std::string &filename, const MC_double_vector &value, const unsigned int &N0, const unsigned int &N1)
	helper to export a square slice as a texture in ppm format in a file

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Detailed Description

helper class to slice a MC_grid_3d

Definition at line 16 of file MC_grid_3d_scalar_slicer.hpp.

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Member Function Documentation

void mesh_conv::MC_grid_3d_scalar_slicer::export_square_ppm	(	std::ofstream &	stream,
		const MC_double_vector &	value,
		const unsigned int &	N0,
		const unsigned int &	N1
	)			[static]

helper to export a square slice as a texture in ppm format

Definition at line 31 of file MC_grid_3d_scalar_slicer.cpp.

References mesh_conv::MC_double_vector::size().

Referenced by export_square_ppm_file().

    {
        if(N0*N1 != value.size())
        {exception::MC_exception("Error in MC_grid_3d_scalar_slicer::export_square_ppm size does not match ");}

        stream<<"P3"<<std::endl; // magic number
        stream<<N0<<" "<<N1<<std::endl;
        stream<<"255"<<std::endl;
        for(unsigned int k0=0;k0<N0;k0++)
        {
            for(unsigned int k1=0;k1<N1;k1++)
            {
                int v = static_cast<int>(std::min(std::max(static_cast<double>(value[k0+k1*N0]),static_cast<double>(0)),static_cast<double>(255)));
                stream<<v<<" "<<v<<" "<<v<<std::endl;
            }
        }
    }

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void mesh_conv::MC_grid_3d_scalar_slicer::export_square_ppm_file	(	const std::string &	filename,
		const MC_double_vector &	value,
		const unsigned int &	N0,
		const unsigned int &	N1
	)			[static]

helper to export a square slice as a texture in ppm format in a file

Definition at line 19 of file MC_grid_3d_scalar_slicer.cpp.

References export_square_ppm(), and mesh_conv::MC_double_vector::size().

    {
        if(N0*N1 != value.size())
        {exception::MC_exception("Error in MC_grid_3d_scalar_slicer::export_square_ppm_file size does not match ");}

        std::ofstream stream(filename.c_str());
        if(stream.good()!=true)
        {exception::MC_exception("Cannot open file "+filename+" in MC_grid_3d_scalar_slicer::export_square_ppm_file");}
        export_square_ppm(stream,value,N0,N1);
        stream.close();
    }

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MC_double_vector mesh_conv::MC_grid_3d_scalar_slicer::slice	(	const MC_grid_3d_scalar &	potential,
		const MC_mesh_index_vector &	mesh
	)			[static]

slice along a normal direction and a position

Returns:

the intensity corresponding to the mesh in the vertex order

Definition at line 11 of file MC_grid_3d_scalar_slicer.cpp.

References mesh_conv::MC_mesh_index_vector::point_set(), potential, mesh_conv::MC_mesh_index_vector::vertex_number(), and mesh_conv::MC_double_vector::zeros().

    {
        MC_double_vector v=MC_double_vector::zeros(mesh.vertex_number());
        for(unsigned int k=0,N=mesh.vertex_number();k<N;++k)
            v[k]=potential(mesh.point_set()(k));
        return v;
    }

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The documentation for this class was generated from the following files:

• /home/damien/work/2010_04_M1_info/TP/TP_glut_etudiant/local/header/MC_grid_3d_scalar_slicer.hpp
• /home/damien/work/2010_04_M1_info/TP/TP_glut_etudiant/local/src/MC_grid_3d_scalar_slicer.cpp