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-rw-r--r--tests/test_VolumeGeometry2D.cpp150
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diff --git a/tests/test_VolumeGeometry2D.cpp b/tests/test_VolumeGeometry2D.cpp
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+/*
+-----------------------------------------------------------------------
+Copyright 2012 iMinds-Vision Lab, University of Antwerp
+
+Contact: astra@ua.ac.be
+Website: http://astra.ua.ac.be
+
+
+This file is part of the
+All Scale Tomographic Reconstruction Antwerp Toolbox ("ASTRA Toolbox").
+
+The ASTRA Toolbox is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+The ASTRA Toolbox is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with the ASTRA Toolbox. If not, see <http://www.gnu.org/licenses/>.
+
+-----------------------------------------------------------------------
+$Id$
+*/
+
+
+#define BOOST_TEST_DYN_LINK
+#include <boost/test/unit_test.hpp>
+#include <boost/test/auto_unit_test.hpp>
+#include <boost/test/test_case_template.hpp>
+#include <boost/test/floating_point_comparison.hpp>
+
+#include "astra/VolumeGeometry2D.h"
+
+BOOST_AUTO_TEST_CASE( testVolumeGeometry2D_Constructor1 )
+{
+ astra::CVolumeGeometry2D geom(16, 32);
+
+ BOOST_REQUIRE( geom.isInitialized() );
+
+ BOOST_CHECK( geom.getGridColCount() == 16 );
+ BOOST_CHECK( geom.getGridRowCount() == 32 );
+ BOOST_CHECK( geom.getGridTotCount() == 512 );
+ BOOST_CHECK( geom.getWindowLengthX() == 16.0f );
+ BOOST_CHECK( geom.getWindowLengthY() == 32.0f );
+ BOOST_CHECK( geom.getWindowArea() == 512.0f );
+ BOOST_CHECK( geom.getPixelLengthX() == 1.0f );
+ BOOST_CHECK( geom.getPixelLengthY() == 1.0f );
+ BOOST_CHECK( geom.getPixelArea() == 1.0f );
+ BOOST_CHECK( geom.getWindowMinX() == -8.0f );
+ BOOST_CHECK( geom.getWindowMaxX() == 8.0f );
+ BOOST_CHECK( geom.getWindowMinY() == -16.0f );
+ BOOST_CHECK( geom.getWindowMaxY() == 16.0f );
+}
+
+BOOST_AUTO_TEST_CASE( testVolumeGeometry2D_Constructor1odd )
+{
+ astra::CVolumeGeometry2D geom(5, 7);
+
+ BOOST_REQUIRE( geom.isInitialized() );
+
+ BOOST_CHECK( geom.getGridColCount() == 5 );
+ BOOST_CHECK( geom.getGridRowCount() == 7 );
+ BOOST_CHECK( geom.getGridTotCount() == 35 );
+ BOOST_CHECK( geom.getWindowLengthX() == 5.0f );
+ BOOST_CHECK( geom.getWindowLengthY() == 7.0f );
+ BOOST_CHECK( geom.getWindowArea() == 35.0f );
+ BOOST_CHECK( geom.getPixelLengthX() == 1.0f );
+ BOOST_CHECK( geom.getPixelLengthY() == 1.0f );
+ BOOST_CHECK( geom.getPixelArea() == 1.0f );
+ BOOST_CHECK( geom.getWindowMinX() == -2.5f );
+ BOOST_CHECK( geom.getWindowMaxX() == 2.5f );
+ BOOST_CHECK( geom.getWindowMinY() == -3.5f );
+ BOOST_CHECK( geom.getWindowMaxY() == 3.5f );
+}
+
+BOOST_AUTO_TEST_CASE( testVolumeGeometry2D_Constructor2 )
+{
+ astra::CVolumeGeometry2D geom(16, 32, -1.0f, -2.0f, 3.0f, 4.0f);
+
+ BOOST_REQUIRE( geom.isInitialized() );
+
+ BOOST_CHECK( geom.getGridColCount() == 16 );
+ BOOST_CHECK( geom.getGridRowCount() == 32 );
+ BOOST_CHECK( geom.getGridTotCount() == 512 );
+ BOOST_CHECK( geom.getWindowLengthX() == 4.0f );
+ BOOST_CHECK( geom.getWindowLengthY() == 6.0f );
+ BOOST_CHECK( geom.getWindowArea() == 24.0f );
+ BOOST_CHECK( geom.getPixelLengthX() == 0.25f );
+ BOOST_CHECK( geom.getPixelLengthY() == 0.1875f );
+ BOOST_CHECK( geom.getPixelArea() == 0.046875f );
+ BOOST_CHECK( geom.getWindowMinX() == -1.0f );
+ BOOST_CHECK( geom.getWindowMaxX() == 3.0f );
+ BOOST_CHECK( geom.getWindowMinY() == -2.0f );
+ BOOST_CHECK( geom.getWindowMaxY() == 4.0f );
+}
+
+BOOST_AUTO_TEST_CASE( testVolumeGeometry2D_Clone )
+{
+ astra::CVolumeGeometry2D geom(16, 32, -1.0f, -2.0f, 3.0f, 4.0f);
+
+ astra::CVolumeGeometry2D* geom2 = geom.clone();
+
+ BOOST_REQUIRE( geom2->isInitialized() );
+
+ BOOST_CHECK( geom.isEqual(geom2) );
+ BOOST_CHECK( geom2->getGridColCount() == 16 );
+ BOOST_CHECK( geom2->getGridRowCount() == 32 );
+ BOOST_CHECK( geom2->getGridTotCount() == 512 );
+ BOOST_CHECK( geom2->getWindowLengthX() == 4.0f );
+ BOOST_CHECK( geom2->getWindowLengthY() == 6.0f );
+ BOOST_CHECK( geom2->getWindowArea() == 24.0f );
+ BOOST_CHECK( geom2->getPixelLengthX() == 0.25f );
+ BOOST_CHECK( geom2->getPixelLengthY() == 0.1875f );
+ BOOST_CHECK( geom2->getPixelArea() == 0.046875f );
+ BOOST_CHECK( geom2->getWindowMinX() == -1.0f );
+ BOOST_CHECK( geom2->getWindowMaxX() == 3.0f );
+ BOOST_CHECK( geom2->getWindowMinY() == -2.0f );
+ BOOST_CHECK( geom2->getWindowMaxY() == 4.0f );
+
+ delete geom2;
+}
+
+BOOST_AUTO_TEST_CASE( testVolumeGeometry2D_Offsets )
+{
+ astra::CVolumeGeometry2D geom(16, 32, -1.0f, -2.0f, 3.0f, 4.0f);
+
+ BOOST_REQUIRE( geom.isInitialized() );
+
+ BOOST_CHECK( geom.pixelRowColToIndex(1,2) == 18 );
+
+ int r,c;
+ geom.pixelIndexToRowCol(66, r, c);
+ BOOST_CHECK( r == 4 );
+ BOOST_CHECK( c == 2 );
+
+ BOOST_CHECK( geom.pixelColToCenterX(2) == -0.375f );
+ BOOST_CHECK( geom.pixelColToMinX(2) == -0.5f );
+ BOOST_CHECK( geom.pixelColToMaxX(2) == -0.25f );
+
+ BOOST_CHECK( geom.pixelRowToCenterY(29) == -1.53125f );
+ BOOST_CHECK( geom.pixelRowToMinY(29) == -1.625f );
+ BOOST_CHECK( geom.pixelRowToMaxY(29) == -1.4375f );
+
+ BOOST_CHECK( geom.coordXToCol(0.1f) == 4 );
+ BOOST_CHECK( geom.coordYToRow(0.1f) == 20 );
+}