diff options
| -rw-r--r-- | include/astra/FanFlatBeamLineKernelProjector2D.inl | 6 | ||||
| -rw-r--r-- | include/astra/ParallelBeamLineKernelProjector2D.inl | 6 | ||||
| -rw-r--r-- | tests/python/test_line2d.py | 14 |
3 files changed, 7 insertions, 19 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); diff --git a/include/astra/ParallelBeamLineKernelProjector2D.inl b/include/astra/ParallelBeamLineKernelProjector2D.inl index a9f1aa0..1fc67a8 100644 --- a/include/astra/ParallelBeamLineKernelProjector2D.inl +++ b/include/astra/ParallelBeamLineKernelProjector2D.inl @@ -166,19 +166,17 @@ void CParallelBeamLineKernelProjector2D::projectBlock_internal(int _iProjFrom, i const SParProjection * proj = &pVecProjectionGeometry->getProjectionVectors()[iAngle]; - float32 detSize = sqrt(proj->fDetUX * proj->fDetUX + proj->fDetUY * proj->fDetUY); - bool vertical = fabs(proj->fRayX) < fabs(proj->fRayY); if (vertical) { RxOverRy = proj->fRayX/proj->fRayY; - lengthPerRow = detSize * pixelLengthX * sqrt(proj->fRayY*proj->fRayY + proj->fRayX*proj->fRayX) / abs(proj->fRayY); + lengthPerRow = pixelLengthX * sqrt(proj->fRayY*proj->fRayY + proj->fRayX*proj->fRayX) / abs(proj->fRayY); deltac = -pixelLengthY * RxOverRy * inv_pixelLengthX; S = 0.5f - 0.5f*fabs(RxOverRy); T = 0.5f + 0.5f*fabs(RxOverRy); invTminSTimesLengthPerRow = lengthPerRow / (T - S); } else { RyOverRx = proj->fRayY/proj->fRayX; - lengthPerCol = detSize * pixelLengthY * sqrt(proj->fRayY*proj->fRayY + proj->fRayX*proj->fRayX) / abs(proj->fRayX); + lengthPerCol = pixelLengthY * sqrt(proj->fRayY*proj->fRayY + proj->fRayX*proj->fRayX) / abs(proj->fRayX); deltar = -pixelLengthX * RyOverRx * inv_pixelLengthY; S = 0.5f - 0.5f*fabs(RyOverRx); T = 0.5f + 0.5f*fabs(RyOverRx); diff --git a/tests/python/test_line2d.py b/tests/python/test_line2d.py index d04ffb8..755bd27 100644 --- a/tests/python/test_line2d.py +++ b/tests/python/test_line2d.py @@ -454,23 +454,15 @@ class Test2DKernel(unittest.TestCase): for i, (center, edge1, edge2) in enumerate(gen_lines(pg)): (src, det) = center - try: - detweight = pg['DetectorWidth'] - except KeyError: - if 'fan' not in type: - detweight = effective_detweight(src, det, pg['Vectors'][i//pg['DetectorCount'],4:6]) - else: - detweight = np.linalg.norm(pg['Vectors'][i//pg['DetectorCount'],4:6], ord=2) - # We compute line intersections with slightly bigger (cw) and # smaller (aw) rectangles, and see if the kernel falls # between these two values. (aw,bw,cw) = intersect_line_rectangle_interval(src, det, xmin, xmax, ymin, ymax, 1e-3) - a[i] = aw * detweight - b[i] = bw * detweight - c[i] = cw * detweight + a[i] = aw + b[i] = bw + c[i] = cw a = a.reshape(astra.functions.geom_size(pg)) b = b.reshape(astra.functions.geom_size(pg)) c = c.reshape(astra.functions.geom_size(pg)) |