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/*
-----------------------------------------------------------------------
Copyright: 2010-2014, iMinds-Vision Lab, University of Antwerp
2014, CWI, Amsterdam
Contact: astra@uantwerpen.be
Website: http://sf.net/projects/astra-toolbox
This file is part of the ASTRA Toolbox.
The ASTRA Toolbox is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
The ASTRA Toolbox is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with the ASTRA Toolbox. If not, see <http://www.gnu.org/licenses/>.
-----------------------------------------------------------------------
$Id$
*/
#ifndef _CUDA_DIMS_H
#define _CUDA_DIMS_H
namespace astraCUDA {
struct SFanProjection {
// the source
float fSrcX, fSrcY;
// the start of the (linear) detector
float fDetSX, fDetSY;
// the length of a single detector pixel
float fDetUX, fDetUY;
};
struct SDimensions {
// Width, height of reconstruction volume
unsigned int iVolWidth;
unsigned int iVolHeight;
// Number of projection angles
unsigned int iProjAngles;
// Number of detector pixels
unsigned int iProjDets;
// size of detector compared to volume pixels
float fDetScale;
// in FP, number of rays to trace per detector pixel.
// This should usually be set to 1.
// If fDetScale > 1, this should be set to an integer of roughly
// the same size as fDetScale.
unsigned int iRaysPerDet;
// in BP, square root of number of rays to trace per volume pixel
// This should usually be set to 1.
// If fDetScale < 1, this should be set to an integer of roughly
// the same size as 1 / fDetScale.
unsigned int iRaysPerPixelDim;
};
}
#endif
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