diff options
Diffstat (limited to 'cuda/3d/fdk.cu')
-rw-r--r-- | cuda/3d/fdk.cu | 222 |
1 files changed, 0 insertions, 222 deletions
diff --git a/cuda/3d/fdk.cu b/cuda/3d/fdk.cu index af95b6b..456694f 100644 --- a/cuda/3d/fdk.cu +++ b/cuda/3d/fdk.cu @@ -32,11 +32,6 @@ along with the ASTRA Toolbox. If not, see <http://www.gnu.org/licenses/>. #include "astra/cuda/2d/fft.h" -#ifdef STANDALONE -#include "astra/cuda/3d/cone_fp.h" -#include "testutil.h" -#endif - #include "astra/Logging.h" #include <cstdio> @@ -377,220 +372,3 @@ bool FDK(cudaPitchedPtr D_volumeData, } - -#ifdef STANDALONE -void dumpVolume(const char* filespec, const cudaPitchedPtr& data, const SDimensions3D& dims, float fMin, float fMax) -{ - float* buf = new float[dims.iVolX*dims.iVolY]; - unsigned int pitch = data.pitch / sizeof(float); - - for (int i = 0; i < dims.iVolZ; ++i) { - cudaMemcpy2D(buf, dims.iVolX*sizeof(float), ((float*)data.ptr)+pitch*dims.iVolY*i, data.pitch, dims.iVolX*sizeof(float), dims.iVolY, cudaMemcpyDeviceToHost); - - char fname[512]; - sprintf(fname, filespec, dims.iVolZ-i-1); - saveImage(fname, dims.iVolY, dims.iVolX, buf, fMin, fMax); - } -} - -void dumpSinograms(const char* filespec, const cudaPitchedPtr& data, const SDimensions3D& dims, float fMin, float fMax) -{ - float* bufs = new float[dims.iProjAngles*dims.iProjU]; - unsigned int pitch = data.pitch / sizeof(float); - - for (int i = 0; i < dims.iProjV; ++i) { - cudaMemcpy2D(bufs, dims.iProjU*sizeof(float), ((float*)data.ptr)+pitch*dims.iProjAngles*i, data.pitch, dims.iProjU*sizeof(float), dims.iProjAngles, cudaMemcpyDeviceToHost); - - char fname[512]; - sprintf(fname, filespec, i); - saveImage(fname, dims.iProjAngles, dims.iProjU, bufs, fMin, fMax); - } -} - -void dumpProjections(const char* filespec, const cudaPitchedPtr& data, const SDimensions3D& dims, float fMin, float fMax) -{ - float* bufp = new float[dims.iProjV*dims.iProjU]; - unsigned int pitch = data.pitch / sizeof(float); - - for (int i = 0; i < dims.iProjAngles; ++i) { - for (int j = 0; j < dims.iProjV; ++j) { - cudaMemcpy(bufp+dims.iProjU*j, ((float*)data.ptr)+pitch*dims.iProjAngles*j+pitch*i, dims.iProjU*sizeof(float), cudaMemcpyDeviceToHost); - } - - char fname[512]; - sprintf(fname, filespec, i); - saveImage(fname, dims.iProjV, dims.iProjU, bufp, fMin, fMax); - } -} - - - - -int main() -{ -#if 0 - SDimensions3D dims; - dims.iVolX = 512; - dims.iVolY = 512; - dims.iVolZ = 512; - dims.iProjAngles = 180; - dims.iProjU = 1024; - dims.iProjV = 1024; - dims.iRaysPerDet = 1; - - cudaExtent extentV; - extentV.width = dims.iVolX*sizeof(float); - extentV.height = dims.iVolY; - extentV.depth = dims.iVolZ; - - cudaPitchedPtr volData; // pitch, ptr, xsize, ysize - - cudaMalloc3D(&volData, extentV); - - cudaExtent extentP; - extentP.width = dims.iProjU*sizeof(float); - extentP.height = dims.iProjAngles; - extentP.depth = dims.iProjV; - - cudaPitchedPtr projData; // pitch, ptr, xsize, ysize - - cudaMalloc3D(&projData, extentP); - cudaMemset3D(projData, 0, extentP); - -#if 0 - float* slice = new float[256*256]; - cudaPitchedPtr ptr; - ptr.ptr = slice; - ptr.pitch = 256*sizeof(float); - ptr.xsize = 256*sizeof(float); - ptr.ysize = 256; - - for (unsigned int i = 0; i < 256*256; ++i) - slice[i] = 1.0f; - for (unsigned int i = 0; i < 256; ++i) { - cudaExtent extentS; - extentS.width = dims.iVolX*sizeof(float); - extentS.height = dims.iVolY; - extentS.depth = 1; - cudaPos sp = { 0, 0, 0 }; - cudaPos dp = { 0, 0, i }; - cudaMemcpy3DParms p; - p.srcArray = 0; - p.srcPos = sp; - p.srcPtr = ptr; - p.dstArray = 0; - p.dstPos = dp; - p.dstPtr = volData; - p.extent = extentS; - p.kind = cudaMemcpyHostToDevice; - cudaMemcpy3D(&p); -#if 0 - if (i == 128) { - for (unsigned int j = 0; j < 256*256; ++j) - slice[j] = 0.0f; - } -#endif - } -#endif - - SConeProjection angle[180]; - angle[0].fSrcX = -1536; - angle[0].fSrcY = 0; - angle[0].fSrcZ = 0; - - angle[0].fDetSX = 1024; - angle[0].fDetSY = -512; - angle[0].fDetSZ = 512; - - angle[0].fDetUX = 0; - angle[0].fDetUY = 1; - angle[0].fDetUZ = 0; - - angle[0].fDetVX = 0; - angle[0].fDetVY = 0; - angle[0].fDetVZ = -1; - -#define ROTATE0(name,i,alpha) do { angle[i].f##name##X = angle[0].f##name##X * cos(alpha) - angle[0].f##name##Y * sin(alpha); angle[i].f##name##Y = angle[0].f##name##X * sin(alpha) + angle[0].f##name##Y * cos(alpha); } while(0) - for (int i = 1; i < 180; ++i) { - angle[i] = angle[0]; - ROTATE0(Src, i, i*2*M_PI/180); - ROTATE0(DetS, i, i*2*M_PI/180); - ROTATE0(DetU, i, i*2*M_PI/180); - ROTATE0(DetV, i, i*2*M_PI/180); - } -#undef ROTATE0 - - astraCUDA3d::ConeFP(volData, projData, dims, angle, 1.0f); - - //dumpSinograms("sino%03d.png", projData, dims, 0, 512); - //dumpProjections("proj%03d.png", projData, dims, 0, 512); - - astraCUDA3d::zeroVolumeData(volData, dims); - - float* angles = new float[dims.iProjAngles]; - for (int i = 0; i < 180; ++i) - angles[i] = i*2*M_PI/180; - - astraCUDA3d::FDK(volData, projData, 1536, 512, 0, 0, dims, angles); - - dumpVolume("vol%03d.png", volData, dims, -20, 100); - - -#else - - SDimensions3D dims; - dims.iVolX = 1000; - dims.iVolY = 999; - dims.iVolZ = 500; - dims.iProjAngles = 376; - dims.iProjU = 1024; - dims.iProjV = 524; - dims.iRaysPerDet = 1; - - float* angles = new float[dims.iProjAngles]; - for (int i = 0; i < dims.iProjAngles; ++i) - angles[i] = -i*(M_PI)/360; - - cudaPitchedPtr volData = astraCUDA3d::allocateVolumeData(dims); - cudaPitchedPtr projData = astraCUDA3d::allocateProjectionData(dims); - astraCUDA3d::zeroProjectionData(projData, dims); - astraCUDA3d::zeroVolumeData(volData, dims); - - timeval t; - tic(t); - - for (int i = 0; i < dims.iProjAngles; ++i) { - char fname[256]; - sprintf(fname, "/home/wpalenst/tmp/Elke/proj%04d.png", i); - unsigned int w,h; - float* bufp = loadImage(fname, w,h); - - int pitch = projData.pitch / sizeof(float); - for (int j = 0; j < dims.iProjV; ++j) { - cudaMemcpy(((float*)projData.ptr)+dims.iProjAngles*pitch*j+pitch*i, bufp+dims.iProjU*j, dims.iProjU*sizeof(float), cudaMemcpyHostToDevice); - } - - delete[] bufp; - } - printf("Load time: %f\n", toc(t)); - - //dumpSinograms("sino%03d.png", projData, dims, -8.0f, 256.0f); - //astraCUDA3d::FDK(volData, projData, 7350, 62355, 0, 10, dims, angles); - //astraCUDA3d::FDK(volData, projData, 7350, -380, 0, 10, dims, angles); - - tic(t); - - astraCUDA3d::FDK(volData, projData, 7383.29867, 0, 0, 10, dims, angles); - - printf("FDK time: %f\n", toc(t)); - tic(t); - - dumpVolume("vol%03d.png", volData, dims, -65.9f, 200.0f); - //dumpVolume("vol%03d.png", volData, dims, 0.0f, 256.0f); - printf("Save time: %f\n", toc(t)); - -#endif - - -} -#endif |