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//------------------------------------------------------------------------------
// This file is part of the OpenStructure project <www.openstructure.org>
//
// Copyright (C) 2008-2020 by the OpenStructure authors
// Copyright (C) 2003-2010 by the IPLT authors
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License as published by the Free
// Software Foundation; either version 3.0 of the License, or (at your option)
// any later version.
// This library 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 Lesser General Public License for more
// details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with this library; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
//------------------------------------------------------------------------------
/*
Author: Ansgar Philippsen
*/
#include <sstream>
#include <boost/mpl/vector.hpp>
#include "test_image_state.hh"
#include <ost/img/extent.hh>
#include <ost/img/extent_iterator.hh>
#include <ost/img/size.hh>
#include <ost/img/image_state/image_state_impl.hh>
#include <ost/img/image_state/image_state_factory.hh>
#include <ost/img/image_state/image_state_def.hh>
#include <ost/img/alg/randomize.hh>
using namespace ost::img;
using namespace ost::img::image_state;
namespace test_image_state {
alg::Randomize randomizer;
bool is_clear(const ImageStateBase& b)
{
for(ExtentIterator it(b.GetExtent()); !it.AtEnd(); ++it) {
if(b.GetReal(it) != 0.0) return false;
}
return true;
}
void TestPointToCoord()
{
RealSpatialImageState spatial(Extent(Size(10,10,10)),
PixelSampling(Vec3(2.0,2.0,2.0), SPATIAL,
Extent(Size(10,10, 10))));
ComplexFrequencyImageState frequency(Extent(Size(10,10,10)),
PixelSampling(Vec3(2.0,2.0,2.0), FREQUENCY,
Extent(Size(10,10,10))));
spatial.SetAbsoluteOrigin(Vec3(5.0,5.0,5.0));
frequency.SetAbsoluteOrigin(Vec3(5.0,5.0,5.0));
BOOST_CHECK(spatial.IndexToCoord(Point(2.0,2.0,2.0)) == Vec3(14.0,14.0,14.0));
BOOST_CHECK(frequency.IndexToCoord(Point(2.0,2.0,2.0)) == Vec3(0.1,0.1,0.1));
BOOST_CHECK(frequency.CoordToIndex(Vec3(0.2,0.2,0.2)) == Vec3(4.0,4.0,4.0));
BOOST_CHECK(spatial.CoordToIndex(Vec3(16.0,16.0,16.0)) == Vec3(3.0,3.0,3.0));
}
class TestRealSpatial {
public:
void test_Construction() {
Extent ext(Size(8,10,13));
RealSpatialImageState st(ext,PixelSampling());
BOOST_CHECK(st.GetSize()==Size(8,10,13));
BOOST_CHECK(is_clear(st));
}
static test_suite* Create()
{
test_suite* ts=BOOST_TEST_SUITE("image state test: real/spatial");
boost::shared_ptr<TestRealSpatial> p(new TestRealSpatial());
ts->add( BOOST_CLASS_TEST_CASE(&TestRealSpatial::test_Construction,p));
return ts;
}
};
class TestComplexHalfFrequency {
public:
void test_Construction1D() {
std::ostringstream ostr;
ComplexHalfFrequencyImageState st1( Extent(Size(15)),PixelSampling() );
ostr.str("");
ostr << "expected " << Extent(Point(0),Point(7)) << " but got " << st1.GetExtent();
BOOST_CHECK_MESSAGE(st1.GetExtent()==Extent(Point(0),Point(7)),ostr.str());
ostr.str("");
ostr << "expected " << Extent(Point(-7),Point(7)) << " but got " << st1.GetLogicalExtent();
BOOST_CHECK_MESSAGE(st1.GetLogicalExtent()==Extent(Point(-7),Point(7)),ostr.str());
BOOST_CHECK(is_clear(st1));
}
void test_Construction2D() {
std::ostringstream ostr;
ComplexHalfFrequencyImageState st2( Extent(Size(8,10)),PixelSampling() );
ostr.str("");
ostr << "expected " << Extent(Point(-3,0),Point(4,5)) << " but got " << st2.GetExtent();
BOOST_CHECK_MESSAGE(st2.GetExtent()==Extent(Point(-3,0),Point(4,5)),ostr.str());
ostr.str("");
ostr << "expected " << Extent(Point(-3,-4),Point(4,5)) << " but got " << st2.GetLogicalExtent();
BOOST_CHECK_MESSAGE(st2.GetLogicalExtent()==Extent(Point(-3,-4),Point(4,5)),ostr.str());
BOOST_CHECK(is_clear(st2));
}
void test_Construction3D() {
std::ostringstream ostr;
ComplexHalfFrequencyImageState st3( Extent(Size(8,10,13)),PixelSampling() );
ostr.str("");
ostr << "expected " << Extent(Point(-3,-4,0),Point(4,5,6)) << " but got " << st3.GetExtent();
BOOST_CHECK_MESSAGE(st3.GetExtent()==Extent(Point(-3,-4,0),Point(4,5,6)),ostr.str());
ostr.str("");
ostr << "expected " << Extent(Point(-3,-4,-6),Point(4,5,6)) << " but got " << st3.GetLogicalExtent();
BOOST_CHECK_MESSAGE(st3.GetLogicalExtent()==Extent(Point(-3,-4,-6),Point(4,5,6)),ostr.str());
BOOST_CHECK(is_clear(st3));
}
void test_ConjugateAccess1D() {
ComplexHalfFrequencyImageState st1( Extent(Size(15)),PixelSampling() );
st1.ApplyIP(randomizer);
st1.SetComplex(Point(0),Complex(0,0));
for(int u=1;u<=7;++u) {
BOOST_REQUIRE(st1.GetComplex(Point(u))==std::conj(st1.GetComplex(Point(-u))));
}
}
void test_ConjugateAccess2D() {
std::ostringstream ostr;
ComplexHalfFrequencyImageState st2( Extent(Size(4,7)),PixelSampling() );
st2.ApplyIP(randomizer);
st2.SetComplex(Point(0,0),Complex(0,0));
for(int v=1;v<=3;++v) {
for(int u=-1;u<=1;++u) {
ostr.str("");
ostr << "@" << Point(u,v) << " expected conjugate value of " << st2.GetComplex(Point(u,v));
BOOST_REQUIRE_MESSAGE(st2.GetComplex(Point(u,v))==std::conj(st2.GetComplex(Point(-u,-v))),ostr.str());
}
}
}
void test_ConjugateAccess3D() {
std::ostringstream ostr;
ComplexHalfFrequencyImageState st3( Extent(Size(3,4,5)),PixelSampling() );
st3.ApplyIP(randomizer);
st3.SetComplex(Point(0,0),Complex(0,0));
for(int w=1;w<=2;++w) {
for(int v=-1;v<=1;++v) {
for(int u=-1;u<=1;++u) {
ostr.str("");
ostr << "@" << Point(u,v,w) << " expected conjugate value of "
<< st3.GetComplex(Point(u,v,w));
BOOST_REQUIRE_MESSAGE(st3.GetComplex(Point(u,v,w))==std::conj(st3.GetComplex(Point(-u,-v,-w))),ostr.str());
}
}
}
}
static test_suite* Create()
{
test_suite* ts=BOOST_TEST_SUITE("image state test: half/complex/frequency");
boost::shared_ptr<TestComplexHalfFrequency> p(new TestComplexHalfFrequency());
ts->add(BOOST_CLASS_TEST_CASE(&TestComplexHalfFrequency::test_Construction1D,p));
ts->add(BOOST_CLASS_TEST_CASE(&TestComplexHalfFrequency::test_Construction2D,p));
ts->add(BOOST_CLASS_TEST_CASE(&TestComplexHalfFrequency::test_Construction3D,p));
ts->add(BOOST_CLASS_TEST_CASE(&TestComplexHalfFrequency::test_ConjugateAccess1D,p));
ts->add(BOOST_CLASS_TEST_CASE(&TestComplexHalfFrequency::test_ConjugateAccess2D,p));
ts->add(BOOST_CLASS_TEST_CASE(&TestComplexHalfFrequency::test_ConjugateAccess3D,p));
//ts->add(&TestPointToCoord);
return ts;
}
};
} // namespace
test_suite* CreateImageStateTest()
{
using namespace test_image_state;
test_suite* ts=BOOST_TEST_SUITE("image state test");
ts->add( TestRealSpatial::Create() );
ts->add( TestComplexHalfFrequency::Create() );
return ts;
}
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