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-rw-r--r--tests/test_ParallelBeamLineKernelProjector2D.cpp82
-rw-r--r--tests/test_ParallelBeamLinearKernelProjector2D.cpp170
2 files changed, 0 insertions, 252 deletions
diff --git a/tests/test_ParallelBeamLineKernelProjector2D.cpp b/tests/test_ParallelBeamLineKernelProjector2D.cpp
deleted file mode 100644
index 71130c1..0000000
--- a/tests/test_ParallelBeamLineKernelProjector2D.cpp
+++ /dev/null
@@ -1,82 +0,0 @@
-/*
------------------------------------------------------------------------
-Copyright: 2010-2018, imec Vision Lab, University of Antwerp
- 2014-2018, CWI, Amsterdam
-
-Contact: astra@astra-toolbox.com
-Website: http://www.astra-toolbox.com/
-
-This file is part of the 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/>.
-
------------------------------------------------------------------------
-*/
-
-
-#define BOOST_TEST_DYN_LINK
-#include <boost/test/unit_test.hpp>
-#include <boost/test/auto_unit_test.hpp>
-#include <boost/test/floating_point_comparison.hpp>
-
-#include "astra/ParallelBeamLineKernelProjector2D.h"
-#include "astra/ParallelProjectionGeometry2D.h"
-#include "astra/VolumeGeometry2D.h"
-
-struct TestParallelBeamLineKernelProjector2D {
- TestParallelBeamLineKernelProjector2D()
- {
- astra::float32 angles[] = { 1.0f };
- BOOST_REQUIRE( projGeom.initialize(1, 9, 1.0f, angles) );
- BOOST_REQUIRE( volGeom.initialize(6, 4) );
- BOOST_REQUIRE( proj.initialize(&projGeom, &volGeom) );
- }
- ~TestParallelBeamLineKernelProjector2D()
- {
-
- }
-
- astra::CParallelBeamLineKernelProjector2D proj;
- astra::CParallelProjectionGeometry2D projGeom;
- astra::CVolumeGeometry2D volGeom;
-};
-
-BOOST_FIXTURE_TEST_CASE( testParallelBeamLineKernelProjector2D_General, TestParallelBeamLineKernelProjector2D )
-{
-
-}
-
-BOOST_FIXTURE_TEST_CASE( testParallelBeamLineKernelProjector2D_Rectangle, TestParallelBeamLineKernelProjector2D )
-{
- int iMax = proj.getProjectionWeightsCount(0);
- BOOST_REQUIRE(iMax > 0);
-
- astra::SPixelWeight* pPix = new astra::SPixelWeight[iMax];
- BOOST_REQUIRE(pPix);
-
- int iCount;
- proj.computeSingleRayWeights(0, 4, pPix, iMax, iCount);
- BOOST_REQUIRE(iCount <= iMax);
-
- astra::float32 fWeight = 0;
- for (int i = 0; i < iCount; ++i)
- fWeight += pPix[i].m_fWeight;
-
- BOOST_CHECK_SMALL(fWeight - 7.13037f, 0.00001f); // 6 / sin(1)
-
- delete[] pPix;
-}
-
-
diff --git a/tests/test_ParallelBeamLinearKernelProjector2D.cpp b/tests/test_ParallelBeamLinearKernelProjector2D.cpp
deleted file mode 100644
index 4610aa5..0000000
--- a/tests/test_ParallelBeamLinearKernelProjector2D.cpp
+++ /dev/null
@@ -1,170 +0,0 @@
-/*
------------------------------------------------------------------------
-Copyright: 2010-2018, imec Vision Lab, University of Antwerp
- 2014-2018, CWI, Amsterdam
-
-Contact: astra@astra-toolbox.com
-Website: http://www.astra-toolbox.com/
-
-This file is part of the 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/>.
-
------------------------------------------------------------------------
-*/
-
-
-#define BOOST_TEST_DYN_LINK
-#include <boost/test/unit_test.hpp>
-#include <boost/test/auto_unit_test.hpp>
-#include <boost/test/floating_point_comparison.hpp>
-
-#include "astra/ParallelBeamLineKernelProjector2D.h"
-#include "astra/ParallelBeamLinearKernelProjector2D.h"
-#include "astra/ParallelBeamStripKernelProjector2D.h"
-#include "astra/ParallelProjectionGeometry2D.h"
-#include "astra/VolumeGeometry2D.h"
-#include "astra/ProjectionGeometry2D.h"
-
-#include <ctime>
-
-using astra::float32;
-
-struct TestParallelBeamLinearKernelProjector2D {
- TestParallelBeamLinearKernelProjector2D()
- {
- astra::float32 angles[] = { 2.6f };
- BOOST_REQUIRE( projGeom.initialize(1, 3, 1.0f, angles) );
- BOOST_REQUIRE( volGeom.initialize(3, 2) );
- BOOST_REQUIRE( proj.initialize(&projGeom, &volGeom) );
- }
- ~TestParallelBeamLinearKernelProjector2D()
- {
-
- }
-
- astra::CParallelBeamLinearKernelProjector2D proj;
- astra::CParallelProjectionGeometry2D projGeom;
- astra::CVolumeGeometry2D volGeom;
-};
-
-BOOST_FIXTURE_TEST_CASE( testParallelBeamLinearKernelProjector2D_General, TestParallelBeamLinearKernelProjector2D )
-{
-
-}
-
-
-// Compute linear kernel for a single volume pixel/detector pixel combination
-float32 compute_linear_kernel(const astra::CProjectionGeometry2D& projgeom, const astra::CVolumeGeometry2D& volgeom,
- int iX, int iY, int iDet, float32 fAngle)
-{
- // projection of center of volume pixel on detector array
- float32 fDetProj = (iX - (volgeom.getGridColCount()-1.0f)/2.0f ) * volgeom.getPixelLengthX() * cos(fAngle) - (iY - (volgeom.getGridRowCount()-1.0f)/2.0f ) * volgeom.getPixelLengthY() * sin(fAngle);
-
- // start of detector pixel on detector array
- float32 fDetStart = projgeom.indexToDetectorOffset(iDet) - 0.5f;
-
-// printf("(%d,%d,%d): %f in (%f,%f)\n", iX,iY,iDet,fDetProj, fDetStart, fDetStart+1.0f);
-
- // projection of center of next volume pixel on detector array
- float32 fDetStep;
- // length of projection ray through volume pixel
- float32 fWeight;
-
- if (fabs(cos(fAngle)) > fabs(sin(fAngle))) {
- fDetStep = volgeom.getPixelLengthY() * fabs(cos(fAngle));
- fWeight = projgeom.getDetectorWidth() * volgeom.getPixelLengthX() * 1.0f / fabs(cos(fAngle));
- } else {
- fDetStep = volgeom.getPixelLengthX() * fabs(sin(fAngle));
- fWeight = projgeom.getDetectorWidth() * volgeom.getPixelLengthY() * 1.0f / fabs(sin(fAngle));
- }
-
-// printf("step: %f\n weight: %f\n", fDetStep, fWeight);
-
- // center of detector pixel on detector array
- float32 fDetCenter = fDetStart + 0.5f;
-
- // unweighted contribution of this volume pixel:
- // linear interpolation between
- // fDetCenter - fDetStep |---> 0
- // fDetCenter |---> 1
- // fDetCenter + fDetStep |---> 0
- float32 fBase;
- if (fDetCenter <= fDetProj) {
- fBase = (fDetCenter - (fDetProj - fDetStep))/fDetStep;
- } else {
- fBase = ((fDetProj + fDetStep) - fDetCenter)/fDetStep;
- }
-// printf("base: %f\n", fBase);
- if (fBase < 0) fBase = 0;
- return fBase * fWeight;
-}
-
-BOOST_AUTO_TEST_CASE( testParallelBeamLinearKernelProjector2D_Rectangles )
-{
- astra::CParallelBeamLinearKernelProjector2D proj;
- astra::CParallelProjectionGeometry2D projGeom;
- astra::CVolumeGeometry2D volGeom;
-
- const unsigned int iRandomTestCount = 100;
-
- unsigned int iSeed = time(0);
- srand(iSeed);
-
- for (unsigned int iTest = 0; iTest < iRandomTestCount; ++iTest) {
- int iDetectorCount = 1 + (rand() % 100);
- int iRows = 1 + (rand() % 100);
- int iCols = 1 + (rand() % 100);
-
-
- astra::float32 angles[] = { rand() * 2.0f*astra::PI / RAND_MAX };
- projGeom.initialize(1, iDetectorCount, 0.8f, angles);
- volGeom.initialize(iCols, iRows);
- proj.initialize(&projGeom, &volGeom);
-
- int iMax = proj.getProjectionWeightsCount(0);
- BOOST_REQUIRE(iMax > 0);
-
- astra::SPixelWeight* pPix = new astra::SPixelWeight[iMax];
- BOOST_REQUIRE(pPix);
-
- astra::float32 fWeight = 0;
- for (int iDet = 0; iDet < projGeom.getDetectorCount(); ++iDet) {
- int iCount;
- proj.computeSingleRayWeights(0, iDet, pPix, iMax, iCount);
- BOOST_REQUIRE(iCount <= iMax);
-
- astra::float32 fW = 0;
- for (int i = 0; i < iCount; ++i) {
- float32 fTest = compute_linear_kernel(
- projGeom,
- volGeom,
- pPix[i].m_iIndex % volGeom.getGridColCount(),
- pPix[i].m_iIndex / volGeom.getGridColCount(),
- iDet,
- projGeom.getProjectionAngle(0));
- BOOST_CHECK_SMALL( pPix[i].m_fWeight - fTest, 0.0004f);
- fW += pPix[i].m_fWeight;
- }
-
- fWeight += fW;
-
- }
-
- delete[] pPix;
- }
-}
-
-
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