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authorWillem Jan Palenstijn <Willem.Jan.Palenstijn@cwi.nl>2019-03-29 14:42:53 +0100
committerWillem Jan Palenstijn <Willem.Jan.Palenstijn@cwi.nl>2019-09-25 14:10:08 +0200
commit0f4ceb4c7f3f63fddf8fbf44c59fcd8f415e3847 (patch)
treed2f271ffe76f0ec18479a52dfe418beb16e38edb /include/astra/FanFlatBeamLineKernelProjector2D.inl
parent1fec36f7ccadd5f7dcf2bb59b0654dc53653b0f3 (diff)
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Adjust line kernels to line integral scaling
Diffstat (limited to 'include/astra/FanFlatBeamLineKernelProjector2D.inl')
-rw-r--r--include/astra/FanFlatBeamLineKernelProjector2D.inl6
1 files changed, 2 insertions, 4 deletions
diff --git a/include/astra/FanFlatBeamLineKernelProjector2D.inl b/include/astra/FanFlatBeamLineKernelProjector2D.inl
index 58dec61..8f2e673 100644
--- a/include/astra/FanFlatBeamLineKernelProjector2D.inl
+++ b/include/astra/FanFlatBeamLineKernelProjector2D.inl
@@ -82,8 +82,6 @@ void CFanFlatBeamLineKernelProjector2D::projectBlock_internal(int _iProjFrom, in
const SFanProjection * proj = &pVecProjectionGeometry->getProjectionVectors()[iAngle];
- float32 detSize = sqrt(proj->fDetUX * proj->fDetUX + proj->fDetUY * proj->fDetUY);
-
// loop detectors
for (iDetector = _iDetFrom; iDetector < _iDetTo; ++iDetector) {
@@ -104,7 +102,7 @@ void CFanFlatBeamLineKernelProjector2D::projectBlock_internal(int _iProjFrom, in
// vertically
if (vertical) {
RxOverRy = Rx/Ry;
- lengthPerRow = detSize * pixelLengthX * sqrt(Rx*Rx + Ry*Ry) / abs(Ry);
+ lengthPerRow = pixelLengthX * sqrt(Rx*Rx + Ry*Ry) / abs(Ry);
deltac = -pixelLengthY * RxOverRy * inv_pixelLengthX;
S = 0.5f - 0.5f*fabs(RxOverRy);
T = 0.5f + 0.5f*fabs(RxOverRy);
@@ -154,7 +152,7 @@ void CFanFlatBeamLineKernelProjector2D::projectBlock_internal(int _iProjFrom, in
// horizontally
else {
RyOverRx = Ry/Rx;
- lengthPerCol = detSize * pixelLengthY * sqrt(Rx*Rx + Ry*Ry) / abs(Rx);
+ lengthPerCol = pixelLengthY * sqrt(Rx*Rx + Ry*Ry) / abs(Rx);
deltar = -pixelLengthX * RyOverRx * inv_pixelLengthY;
S = 0.5f - 0.5f*fabs(RyOverRx);
T = 0.5f + 0.5f*fabs(RyOverRx);