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/*=========================================================================
*
* Copyright NumFOCUS
*
* 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
*
* https://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 "itkQuadEdgeMeshEulerOperatorSplitVertexFunction.h"
#include "itkQuadEdgeMeshEulerOperatorJoinVertexFunction.h"
#include "itkQuadEdgeMeshEulerOperatorsTestHelper.h"
#include "itkTestingMacros.h"
int
itkQuadEdgeMeshEulerOperatorSplitVertexTest(int, char *[])
{
using MeshType = itk::QuadEdgeMesh<double, 3>;
using MeshPointer = MeshType::Pointer;
using QEType = MeshType::QEType;
using PointType = MeshType::PointType;
using SplitVertex = itk::QuadEdgeMeshEulerOperatorSplitVertexFunction<MeshType, QEType>;
using JoinVertex = itk::QuadEdgeMeshEulerOperatorJoinVertexFunction<MeshType, QEType>;
/////////////////////////////////////////
//
// Split Vertex
//
/////////////////////////////////////////
std::cout << "Checking SplitVertex." << std::endl;
MeshPointer mesh = MeshType::New();
CreateSquareTriangularMesh<MeshType>(mesh);
auto splitVertex = SplitVertex::New();
std::cout << " "
<< "Test No Mesh Input";
if (splitVertex->Evaluate((QEType *)1, (QEType *)1))
{
std::cout << "FAILED." << std::endl;
return EXIT_FAILURE;
}
std::cout << "OK" << std::endl;
ITK_TEST_EXPECT_EQUAL(std::string_view("QuadEdgeMeshEulerOperatorSplitVertexFunction"),
std::string_view(splitVertex->GetNameOfClass()));
splitVertex->SetInput(mesh);
std::cout << " "
<< "Test No QE Input";
if (splitVertex->Evaluate((QEType *)nullptr, (QEType *)nullptr))
{
std::cout << "FAILED." << std::endl;
return EXIT_FAILURE;
}
std::cout << "OK" << std::endl;
std::cout << " ";
std::cout << "Split Vertex (Possible).";
if (!splitVertex->Evaluate(mesh->FindEdge(5, 11), mesh->FindEdge(17, 11)))
{
std::cout << "FAILED." << std::endl;
return EXIT_FAILURE;
}
// move the new point, for example along z axis for special effect :-D
PointType PtTmp = mesh->GetPoint(splitVertex->GetNewPointID());
PtTmp[2] = 1;
mesh->SetPoint(splitVertex->GetNewPointID(), PtTmp);
// Test
if (!AssertTopologicalInvariants<MeshType>(mesh, 26, 57, 32, 1, 0))
{
std::cout << "FAILED, wrong topology" << std::endl;
return EXIT_FAILURE;
}
if (mesh->GetPoint(splitVertex->GetNewPointID()).GetValence() != 4)
{
std::cout << "FAILED, wrong valence of " << mesh->GetPoint(splitVertex->GetNewPointID()).GetValence()
<< " for vertex " << splitVertex->GetNewPointID() << '.' << std::endl;
return EXIT_FAILURE;
}
if (mesh->GetPoint(11).GetValence() != 4)
{
std::cout << "FAILED (for, wrong valence of " << mesh->GetPoint(11).GetValence() << " for vertex 11 )."
<< std::endl;
return EXIT_FAILURE;
}
std::cout << ".OK" << std::endl;
// test antenna
CreateSquareTriangularMesh<MeshType>(mesh);
std::cout << " ";
std::cout << "Try to split antenna (impossible).";
splitVertex->SetInput(mesh);
if (splitVertex->Evaluate(mesh->FindEdge(12, 17), mesh->FindEdge(12, 17)))
{
std::cout << "FAILED." << std::endl;
return EXIT_FAILURE;
}
std::cout << ".OK" << std::endl;
// test different dest( )
CreateSquareTriangularMesh<MeshType>(mesh);
std::cout << " ";
std::cout << "Test with args with different Dest( ) (Impossible).";
splitVertex->SetInput(mesh);
if (splitVertex->Evaluate(mesh->FindEdge(5, 11), mesh->FindEdge(5, 6)))
{
std::cout << "FAILED." << std::endl;
return EXIT_FAILURE;
}
if (!AssertTopologicalInvariants<MeshType>(mesh, 25, 56, 32, 1, 0))
{
std::cout << "FAILED." << std::endl;
return EXIT_FAILURE;
}
if (mesh->GetPoint(5).GetValence() != 4)
{
std::cout << "FAILED, wrong valence of " << mesh->GetPoint(5).GetValence() << " for vertex 5." << std::endl;
return EXIT_FAILURE;
}
std::cout << ".OK" << std::endl;
std::cout << "Checking SplitVertex." << std::endl << std::endl;
std::cout << "Checking JoinVertex( SplitVertex()) Invariance.";
CreateSquareTriangularMesh<MeshType>(mesh);
splitVertex->SetInput(mesh);
auto joinVertex = JoinVertex::New();
joinVertex->SetInput(mesh);
if (!joinVertex->Evaluate(splitVertex->Evaluate(mesh->FindEdge(5, 11), mesh->FindEdge(17, 11))))
{
std::cout << "FAILED." << std::endl;
return EXIT_FAILURE;
}
mesh->DeletePoint(joinVertex->GetOldPointID());
if (!AssertTopologicalInvariants<MeshType>(mesh, 25, 56, 32, 1, 0))
{
std::cout << "FAILED." << std::endl;
return EXIT_FAILURE;
}
std::cout << ".OK" << std::endl << std::endl;
return EXIT_SUCCESS;
}
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