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-rw-r--r--src/ParallelBeamLineKernelProjector2D.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/ParallelBeamLineKernelProjector2D.cpp b/src/ParallelBeamLineKernelProjector2D.cpp
index d11be3d..a7d72d4 100644
--- a/src/ParallelBeamLineKernelProjector2D.cpp
+++ b/src/ParallelBeamLineKernelProjector2D.cpp
@@ -89,7 +89,7 @@ bool CParallelBeamLineKernelProjector2D::_check()
ASTRA_CONFIG_CHECK(dynamic_cast<CParallelProjectionGeometry2D*>(m_pProjectionGeometry) || dynamic_cast<CParallelVecProjectionGeometry2D*>(m_pProjectionGeometry), "ParallelBeamLineKernelProjector2D", "Unsupported projection geometry");
- ASTRA_CONFIG_CHECK(m_pVolumeGeometry->getPixelLengthX() == m_pVolumeGeometry->getPixelLengthY(), "ParallelBeamLineKernelProjector2D", "Pixel height must equal pixel width.");
+ ASTRA_CONFIG_CHECK(abs(m_pVolumeGeometry->getPixelLengthX() / m_pVolumeGeometry->getPixelLengthY()) - 1 < eps, "ParallelBeamLineKernelProjector2D", "Pixel height must equal pixel width.");
// success
return true;