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/*=========================================================================
*
* Copyright Insight Software Consortium
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#include <iostream>
#include "itkPolygonGroupSpatialObjectXMLFile.h"
#include "itksys/SystemTools.hxx"
static float strandPoints[11][2] =
{
{1,1},{1,2},{1.25,2},{1.25,1.25},{1.75,1.25},
{1.75,1.5},{1.5,1.5},{1.5,2},{2,2},{2,1},{1,1}
};
typedef itk::PolygonSpatialObject<3> Polygon3DType;
typedef itk::PolygonGroupSpatialObject<3> PolygonGroup3DType;
typedef PolygonGroup3DType::Pointer PolygonGroup3DPointer;
int
buildPolygonGroup(PolygonGroup3DPointer &PolygonGroup)
{
try
{
for(float z = 0.0; z <= 10.0; z += 1.0)
{
itk::PolygonSpatialObject<3>::Pointer strand
= itk::PolygonSpatialObject<3>::New();
if(!PolygonGroup->AddStrand(strand))
{
std::cerr << "Error adding point" << std::endl;
return EXIT_FAILURE;
}
strand->SetThickness(1.0);
//
// add all points to this strand.
for(int i = 0; i < 11; i++)
{
double pos[3];
pos[0] = strandPoints[i][0];
pos[1] = strandPoints[i][1];
pos[2] = z;
itk::PolygonSpatialObject<3>::PointType curpoint(pos);
if(!strand->AddPoint(curpoint))
{
std::cerr << "Error adding point" << std::endl;
return EXIT_FAILURE;
}
}
}
}
catch(itk::ExceptionObject &)
{
std::cerr << "Error creating PolygonGroup" << std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
int testPolygonGroupEquivalence(PolygonGroup3DPointer &p1,
PolygonGroup3DPointer &p2)
{
//
// Write out polygondata
PolygonGroup3DType::ChildrenListType *children1 =
p1->GetChildren(0,ITK_NULLPTR);
PolygonGroup3DType::ChildrenListType::iterator it1 =
children1->begin();
PolygonGroup3DType::ChildrenListType::iterator end1 =
children1->end();
PolygonGroup3DType::ChildrenListType *children2 =
p2->GetChildren(0,ITK_NULLPTR);
PolygonGroup3DType::ChildrenListType::iterator it2 =
children2->begin();
PolygonGroup3DType::ChildrenListType::iterator end2 =
children2->end();
while(it1 != end1)
{
if(it2 == end2) // premature end of list
{
delete children1;
delete children2;
return EXIT_FAILURE;
}
Polygon3DType *curstrand1 =
dynamic_cast<Polygon3DType *>((*it1).GetPointer());
Polygon3DType *curstrand2 =
dynamic_cast<Polygon3DType *>((*it2).GetPointer());
Polygon3DType::PointListType &points1 =
curstrand1->GetPoints();
Polygon3DType::PointListType &points2 =
curstrand2->GetPoints();
Polygon3DType::PointListType::iterator pointIt1
= points1.begin();
Polygon3DType::PointListType::iterator pointItEnd1
= points1.end();
Polygon3DType::PointListType::iterator pointIt2
= points2.begin();
Polygon3DType::PointListType::iterator pointItEnd2
= points2.end();
while(pointIt1 != pointItEnd1)
{
if(pointIt2 == pointItEnd2)
{
delete children1;
delete children2;
return EXIT_FAILURE;
}
Polygon3DType::PointType curpoint1 =
(*pointIt1).GetPosition();
Polygon3DType::PointType curpoint2 =
(*pointIt2).GetPosition();
if(curpoint1 != curpoint2)
{
//Just a silly test to make sure that the positions returned are valid
std::cerr << "Error: both points should have the same value: " << curpoint1 << " and " << curpoint2 << std::endl;
//This should never happen in this test.
return EXIT_FAILURE;
}
pointIt1++;
pointIt2++;
}
if(pointIt2 != pointItEnd2)
{
delete children1;
delete children2;
return EXIT_FAILURE;
}
it1++;
it2++;
}
if(it2 != end2)
{
delete children1;
delete children2;
return EXIT_FAILURE;
}
delete children1;
delete children2;
return EXIT_SUCCESS;
}
int itkPolygonGroupSpatialObjectXMLFileTest(int ac, char *av[])
{
if(ac < 2)
{
std::cerr << "Usage: " << av[0] << " XMLfile\n";
return EXIT_FAILURE;
}
PolygonGroup3DPointer PolygonGroup = PolygonGroup3DType::New();
PolygonGroup3DPointer PGroupFromFile;
if(buildPolygonGroup(PolygonGroup) != 0 || PolygonGroup.IsNull())
{
std::cerr << "Error building polygon group" << std::endl;
return EXIT_FAILURE;
}
std::string xmlfilename(av[1]);
xmlfilename = xmlfilename + "/PolygonGroupSpatialObjectXMLFileTest.xml";
try
{
itk::PolygonGroupSpatialObjectXMLFileWriter::Pointer pw =
itk::PolygonGroupSpatialObjectXMLFileWriter::New();
pw->SetFilename(xmlfilename.c_str());
pw->SetObject(&(*PolygonGroup));
pw->WriteFile();
}
catch(itk::ExceptionObject &)
{
std::cerr << "Error Creating file" << std::endl;
return EXIT_FAILURE;
}
try
{
itk::PolygonGroupSpatialObjectXMLFileReader::Pointer p =
itk::PolygonGroupSpatialObjectXMLFileReader::New();
p->SetFilename(xmlfilename.c_str());
p->GenerateOutputInformation();
PGroupFromFile = p->GetOutputObject();
if(PGroupFromFile.IsNull())
{
std::cerr << "Error retrieving object pointer" << std::endl;
return EXIT_FAILURE;
}
}
catch(itk::ExceptionObject &)
{
std::cerr << "Error Reading file" << std::endl;
return EXIT_FAILURE;
}
itksys::SystemTools::RemoveFile(xmlfilename.c_str());
return testPolygonGroupEquivalence(PolygonGroup,PGroupFromFile);
}
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