From 4fba091ff811ac5e6035cf95efdaae6681e6cc46 Mon Sep 17 00:00:00 2001
From: Willem Jan Palenstijn <wjp@usecode.org>
Date: Mon, 1 Apr 2019 00:09:28 +0200
Subject: Add error check for non-parallel FBP
---
src/FilteredBackProjectionAlgorithm.cpp | 5 +++++
1 file changed, 5 insertions(+)
(limited to 'src')
diff --git a/src/FilteredBackProjectionAlgorithm.cpp b/src/FilteredBackProjectionAlgorithm.cpp
index 95bef3c..6b4093d 100644
--- a/src/FilteredBackProjectionAlgorithm.cpp
+++ b/src/FilteredBackProjectionAlgorithm.cpp
@@ -167,6 +167,11 @@ bool CFilteredBackProjectionAlgorithm::initialize(const Config& _cfg)
m_filterConfig = getFilterConfigForAlgorithm(_cfg, this);
+ const CParallelProjectionGeometry2D* parprojgeom = dynamic_cast<CParallelProjectionGeometry2D*>(m_pSinogram->getGeometry());
+ if (!parprojgeom) {
+ ASTRA_ERROR("FBP currently only supports parallel projection geometries.");
+ return false;
+ }
// TODO: check that the angles are linearly spaced between 0 and pi
--
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