Siddon_projection.hpp

/*-------------------------------------------------------------------------
 *
 * Header CUDA functions for ray-voxel intersection based projection
 *
 *
 * CODE by       Ander Biguri
 *               Sepideh Hatamikia (arbitrary rotation)
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Contact: tigre.toolbox@gmail.com
Codes  : https://github.com/CERN/TIGRE
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 */



#include "ray_interpolated_projection.hpp"
#include "types_TIGRE.hpp"
#include "GpuIds.hpp"

#ifndef PROJECTION_HPP_SIDDON
#define PROJECTION_HPP_SIDDON
int siddon_ray_projection(float*  img, Geometry geo, float** result,float const * const angles,int nangle, const GpuIds& gpuids);

//double computeMaxLength(Geometry geo, double alpha);
void computeDeltas_Siddon(Geometry geo,int i, Point3D* uvorigin, Point3D* deltaU, Point3D* deltaV, Point3D* source);
void splitImage(unsigned int splits,Geometry geo,Geometry* geoArray, unsigned int nangles);
void freeGeoArray(unsigned int splits,Geometry* geoArray);
//double maxDistanceCubeXY(Geometry geo, double alpha,int i);


#endif
#ifndef PROJECTION_HPP
void checkFreeMemory(const GpuIds& gpuids,size_t *mem_GPU_global);
#endif