meshToVoxelsResampler.h

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#ifndef AIMS_RESAMPLING_MESHTOVOXELSRESAMPLER_H
#define AIMS_RESAMPLING_MESHTOVOXELSRESAMPLER_H

#include <aims/data/data.h>
#include <aims/vector/vector.h>
#include <aims/mesh/surface.h>
#include <cartobase/type/types.h>
#include <aims/bucket/bucket.h>

namespace aims
{

template<typename O>
class MeshToVoxelsResampler
{
public:

        MeshToVoxelsResampler() {}
        virtual ~MeshToVoxelsResampler() {};

public:
        O doit(const AimsSurfaceTriangle &surface, float spacing=1.,
                                        unsigned int connexity=26);

private:
        O init_data(const AimsVector<float,3> &offset, float spacing,
                unsigned int dimx, unsigned int dimy, unsigned int dimz) const;
        void set(O &output, uint x2, uint y2, uint z2, uint ind) const;
        void fill_header(PythonHeader &hdr, O &output,
                const AimsVector<float,3> & offset, float spacing) const;
};


template<> inline
AimsData<unsigned int> MeshToVoxelsResampler<AimsData<unsigned int> >::
init_data(const AimsVector<float,3> &offset, float spacing,
        unsigned int dimx, unsigned int dimy, unsigned int dimz) const
{
        AimsData<unsigned int>  ima(dimx, dimy, dimz);
        ima = 0; //value of background
        PythonHeader *hdr = dynamic_cast<aims::PythonHeader *>(ima.header());
        MeshToVoxelsResampler<AimsData<unsigned int> >::fill_header(*hdr,
                                                ima, offset, spacing);
        return ima;
}

template<> inline void  MeshToVoxelsResampler<AimsData<unsigned int> >::
set(AimsData<unsigned int> &output, uint x2, uint y2, uint z2, uint ind) const
{
        output(x2, y2, z2) = ind;
}

template<> inline
aims::BucketMap<Void>  MeshToVoxelsResampler<aims::BucketMap<Void> >::
init_data(const AimsVector<float,3> &offset, float spacing,
                unsigned int, unsigned int, unsigned int) const
{
        aims::BucketMap<Void>   bucketmap;
        MeshToVoxelsResampler<aims::BucketMap<Void> >::fill_header(
                        bucketmap.header(), bucketmap, offset, spacing);
        
        return bucketmap;
}

template<> inline
void MeshToVoxelsResampler<aims::BucketMap<Void> >::
set(aims::BucketMap<Void> &output, uint x2, uint y2, uint z2, uint) const
{
        output.insert(Point3d(x2, y2, z2), Void());
}

};
 
#endif