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| author | Willem Jan Palenstijn <WillemJan.Palenstijn@uantwerpen.be> | 2014-04-16 11:13:01 +0000 |
|---|---|---|
| committer | wpalenst <WillemJan.Palenstijn@uantwerpen.be> | 2014-04-16 11:13:01 +0000 |
| commit | 7ce0b7cca179e903e8011cd96c9910cbdf62ae00 (patch) | |
| tree | 2ebfa5687c8126d1d2b345a1bfc8c374a62a227b /cuda/3d/fdk.cu | |
| parent | 3a6769465bee7d56d0ddff36613b886446421e07 (diff) | |
| download | astra-7ce0b7cca179e903e8011cd96c9910cbdf62ae00.tar.gz astra-7ce0b7cca179e903e8011cd96c9910cbdf62ae00.tar.bz2 astra-7ce0b7cca179e903e8011cd96c9910cbdf62ae00.tar.xz astra-7ce0b7cca179e903e8011cd96c9910cbdf62ae00.zip | |
Remove padding in 3D cuda in favour of Border mode
Diffstat (limited to 'cuda/3d/fdk.cu')
| -rw-r--r-- | cuda/3d/fdk.cu | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/cuda/3d/fdk.cu b/cuda/3d/fdk.cu index d439d9b..883187d 100644 --- a/cuda/3d/fdk.cu +++ b/cuda/3d/fdk.cu @@ -71,9 +71,9 @@ static bool bindProjDataTexture(const cudaArray* array) { cudaChannelFormatDesc channelDesc = cudaCreateChannelDesc<float>(); - gT_coneProjTexture.addressMode[0] = cudaAddressModeClamp; - gT_coneProjTexture.addressMode[1] = cudaAddressModeClamp; - gT_coneProjTexture.addressMode[2] = cudaAddressModeClamp; + gT_coneProjTexture.addressMode[0] = cudaAddressModeBorder; + gT_coneProjTexture.addressMode[1] = cudaAddressModeBorder; + gT_coneProjTexture.addressMode[2] = cudaAddressModeBorder; gT_coneProjTexture.filterMode = cudaFilterModeLinear; gT_coneProjTexture.normalized = false; @@ -120,8 +120,8 @@ __global__ void devBP_FDK(void* D_volData, unsigned int volPitch, int startAngle float fY = Y - 0.5f*dims.iVolY + 0.5f; float fZ = startZ - 0.5f*dims.iVolZ + 0.5f - fSrcZ; - const float fU_base = 0.5f*dims.iProjU - 0.5f + 1.5f; - const float fV_base = 0.5f*dims.iProjV - 0.5f + 1.5f + (fDetZ-fSrcZ); + const float fU_base = 0.5f*dims.iProjU - 0.5f + 0.5f; + const float fV_base = 0.5f*dims.iProjV - 0.5f + 0.5f + (fDetZ-fSrcZ); // Note re. fZ/rV_base: the computations below are all relative to the // optical axis, so we do the Z-adjustments beforehand. |