diff options
Diffstat (limited to 'include/astra/ParallelBeamLineKernelProjector2D.inl')
| -rw-r--r-- | include/astra/ParallelBeamLineKernelProjector2D.inl | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/include/astra/ParallelBeamLineKernelProjector2D.inl b/include/astra/ParallelBeamLineKernelProjector2D.inl index 83c16d7..6976cfd 100644 --- a/include/astra/ParallelBeamLineKernelProjector2D.inl +++ b/include/astra/ParallelBeamLineKernelProjector2D.inl @@ -210,8 +210,8 @@ void CParallelBeamLineKernelProjector2D::projectBlock_internal(int _iProjFrom, i // loop rows for (row = 0; row < rowCount; ++row, c += deltac) { - col = int(c+0.5f); - if (col <= 0 || col >= colCount-1) { if (!isin) continue; else break; } + col = int(floor(c+0.5f)); + if (col < -1 || col > colCount) { if (!isin) continue; else break; } offset = c - float32(col); // left @@ -220,14 +220,14 @@ void CParallelBeamLineKernelProjector2D::projectBlock_internal(int _iProjFrom, i iVolumeIndex = row * colCount + col - 1; // POLICY: PIXEL PRIOR + ADD + POSTERIOR - if (p.pixelPrior(iVolumeIndex)) { + if (col > 0 && p.pixelPrior(iVolumeIndex)) { p.addWeight(iRayIndex, iVolumeIndex, lengthPerRow-weight); p.pixelPosterior(iVolumeIndex); } iVolumeIndex++; // POLICY: PIXEL PRIOR + ADD + POSTERIOR - if (p.pixelPrior(iVolumeIndex)) { + if (col >= 0 && col < colCount && p.pixelPrior(iVolumeIndex)) { p.addWeight(iRayIndex, iVolumeIndex, weight); p.pixelPosterior(iVolumeIndex); } @@ -239,21 +239,21 @@ void CParallelBeamLineKernelProjector2D::projectBlock_internal(int _iProjFrom, i iVolumeIndex = row * colCount + col; // POLICY: PIXEL PRIOR + ADD + POSTERIOR - if (p.pixelPrior(iVolumeIndex)) { + if (col >= 0 && col < colCount && p.pixelPrior(iVolumeIndex)) { p.addWeight(iRayIndex, iVolumeIndex, lengthPerRow-weight); p.pixelPosterior(iVolumeIndex); } iVolumeIndex++; // POLICY: PIXEL PRIOR + ADD + POSTERIOR - if (p.pixelPrior(iVolumeIndex)) { + if (col + 1 < colCount && p.pixelPrior(iVolumeIndex)) { p.addWeight(iRayIndex, iVolumeIndex, weight); p.pixelPosterior(iVolumeIndex); } } // centre - else { + else if (col >= 0 && col < colCount) { iVolumeIndex = row * colCount + col; // POLICY: PIXEL PRIOR + ADD + POSTERIOR if (p.pixelPrior(iVolumeIndex)) { @@ -274,8 +274,8 @@ void CParallelBeamLineKernelProjector2D::projectBlock_internal(int _iProjFrom, i // loop columns for (col = 0; col < colCount; ++col, r += deltar) { - row = int(r+0.5f); - if (row <= 0 || row >= rowCount-1) { if (!isin) continue; else break; } + row = int(floor(r+0.5f)); + if (row < -1 || row > rowCount) { if (!isin) continue; else break; } offset = r - float32(row); // up @@ -283,10 +283,10 @@ void CParallelBeamLineKernelProjector2D::projectBlock_internal(int _iProjFrom, i weight = (offset + T) * invTminSTimesLengthPerCol; iVolumeIndex = (row-1) * colCount + col; - policy_weight(p, iRayIndex, iVolumeIndex, lengthPerCol-weight) + if (row > 0) { policy_weight(p, iRayIndex, iVolumeIndex, lengthPerCol-weight) } iVolumeIndex += colCount; - policy_weight(p, iRayIndex, iVolumeIndex, weight) + if (row >= 0 && row < rowCount) { policy_weight(p, iRayIndex, iVolumeIndex, weight) } } // down @@ -294,14 +294,14 @@ void CParallelBeamLineKernelProjector2D::projectBlock_internal(int _iProjFrom, i weight = (offset - S) * invTminSTimesLengthPerCol; iVolumeIndex = row * colCount + col; - policy_weight(p, iRayIndex, iVolumeIndex, lengthPerCol-weight) + if (row >= 0 && row < rowCount) { policy_weight(p, iRayIndex, iVolumeIndex, lengthPerCol-weight) } iVolumeIndex += colCount; - policy_weight(p, iRayIndex, iVolumeIndex, weight) + if (row + 1 < rowCount) { policy_weight(p, iRayIndex, iVolumeIndex, weight) } } // centre - else { + else if (row >= 0 && row < rowCount) { iVolumeIndex = row * colCount + col; policy_weight(p, iRayIndex, iVolumeIndex, lengthPerCol) } |