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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 "itkQuadEdgeMeshEulerOperatorFlipEdgeFunction.h"
#include "itkQuadEdgeMeshEulerOperatorsTestHelper.h"
int
itkQuadEdgeMeshEulerOperatorFlipTest(int, char *[])
{
using MeshType = itk::QuadEdgeMesh<double, 3>;
using MeshPointer = MeshType::Pointer;
using QEType = MeshType::QEType;
using FlipEdge = itk::QuadEdgeMeshEulerOperatorFlipEdgeFunction<MeshType, QEType>;
MeshPointer mesh = MeshType::New();
CreateSquareTriangularMesh<MeshType>(mesh);
auto flipEdge = FlipEdge::New();
std::cout << flipEdge << std::endl;
#ifndef NDEBUG
if (flipEdge->Evaluate((QEType *)1))
{
std::cout << "FAILED." << std::endl;
return EXIT_FAILURE;
}
std::cout << "OK" << std::endl;
#endif
std::cout << flipEdge->GetNameOfClass() << std::endl;
flipEdge->SetInput(mesh);
#ifndef NDEBUG
std::cout << " "
<< "Test QE Input not internal";
QEType * dummy = new QEType;
if (flipEdge->Evaluate(dummy))
{
std::cout << "FAILED." << std::endl;
return EXIT_FAILURE;
}
delete dummy;
std::cout << "OK" << std::endl;
std::cout << " "
<< "Test No QE Input";
if (flipEdge->Evaluate((QEType *)nullptr))
{
std::cout << "FAILED." << std::endl;
return EXIT_FAILURE;
}
std::cout << "OK" << std::endl;
#endif
mesh->LightWeightDeleteEdge(mesh->FindEdge(12, 18));
mesh->AddFace(mesh->FindEdge(17, 12));
std::cout << " "
<< "Flip an edge with a polygonal face (impossible)";
QEType * tempFlippedEdge = flipEdge->Evaluate(mesh->FindEdge(12, 17));
if (tempFlippedEdge)
{
std::cout << "FAILED." << std::endl;
return EXIT_FAILURE;
}
CreateSquareTriangularMesh<MeshType>(mesh);
std::cout << " "
<< "Flip an edge (possible)";
tempFlippedEdge = flipEdge->Evaluate(mesh->FindEdge(12, 6));
if (!tempFlippedEdge)
{
std::cout << "FAILED." << std::endl;
return EXIT_FAILURE;
}
// The number of edges and faces must be unchanged:
if (!AssertTopologicalInvariants<MeshType>(mesh, 25, 56, 32, 1, 0))
{
std::cout << "FAILED." << std::endl;
return EXIT_FAILURE;
}
if (mesh->GetPoint(12).GetValence() != 5)
{
std::cout << "FAILED [wrong valence of " << mesh->GetPoint(12).GetValence() << " for vertex 12 ]." << std::endl;
return EXIT_FAILURE;
}
if (mesh->GetPoint(6).GetValence() != 5)
{
std::cout << "FAILED [wrong valence of " << mesh->GetPoint(6).GetValence() << " for vertex 6 ]." << std::endl;
return EXIT_FAILURE;
}
if (mesh->GetPoint(11).GetValence() != 7)
{
std::cout << "FAILED [wrong valence of " << mesh->GetPoint(11).GetValence() << " for vertex 11 ]." << std::endl;
return EXIT_FAILURE;
}
if (mesh->GetPoint(7).GetValence() != 7)
{
std::cout << "FAILED [wrong valence of " << mesh->GetPoint(7).GetValence() << " for vertex 7 ]." << std::endl;
return EXIT_FAILURE;
}
std::cout << ".OK" << std::endl;
// Checking invariance (i.e. FlipEdge is its own inverse):
std::cout << " "
<< "Check FlipEdge(FlipEdge()) invariance (possible for triangles).";
if (!flipEdge->Evaluate(tempFlippedEdge))
{
std::cout << "FAILED." << std::endl;
return EXIT_FAILURE;
}
// The number of edges and faces must be unchanged:
if (!AssertTopologicalInvariants<MeshType>(mesh, 25, 56, 32, 1, 0))
{
std::cout << "FAILED." << std::endl;
return EXIT_FAILURE;
}
if (mesh->GetPoint(12).GetValence() != 6)
{
std::cout << "FAILED [wrong valence of " << mesh->GetPoint(12).GetValence() << " for vertex 12 ]." << std::endl;
return EXIT_FAILURE;
}
if (mesh->GetPoint(6).GetValence() != 6)
{
std::cout << "FAILED [wrong valence of " << mesh->GetPoint(6).GetValence() << " for vertex 6 ]." << std::endl;
return EXIT_FAILURE;
}
if (mesh->GetPoint(11).GetValence() != 6)
{
std::cout << "FAILED [wrong valence of " << mesh->GetPoint(11).GetValence() << " for vertex 11 ]." << std::endl;
return EXIT_FAILURE;
}
if (mesh->GetPoint(7).GetValence() != 6)
{
std::cout << "FAILED [wrong valence of " << mesh->GetPoint(7).GetValence() << " for vertex 7 ]." << std::endl;
return EXIT_FAILURE;
}
std::cout << "OK" << std::endl;
std::cout << "Checking FlipEdge."
<< "OK" << std::endl
<< std::endl;
// Test streaming enumeration for QuadEdgeMeshEulerOperatorFlipEdgeFunctionEnums::EdgeStatusType elements
const std::set<itk::QuadEdgeMeshEulerOperatorFlipEdgeFunctionEnums::EdgeStatusType> allEdgeStatusType{
itk::QuadEdgeMeshEulerOperatorFlipEdgeFunctionEnums::EdgeStatusType::STANDARD_CONFIG,
itk::QuadEdgeMeshEulerOperatorFlipEdgeFunctionEnums::EdgeStatusType::EDGE_NULL,
itk::QuadEdgeMeshEulerOperatorFlipEdgeFunctionEnums::EdgeStatusType::MESH_NULL,
itk::QuadEdgeMeshEulerOperatorFlipEdgeFunctionEnums::EdgeStatusType::NON_INTERNAL_EDGE,
itk::QuadEdgeMeshEulerOperatorFlipEdgeFunctionEnums::EdgeStatusType::NON_TRIANGULAR_RIGHT_FACE,
itk::QuadEdgeMeshEulerOperatorFlipEdgeFunctionEnums::EdgeStatusType::NON_TRIANGULAR_LEFT_FACE,
itk::QuadEdgeMeshEulerOperatorFlipEdgeFunctionEnums::EdgeStatusType::EXISTING_OPPOSITE_EDGE
};
for (const auto & ee : allEdgeStatusType)
{
std::cout << "STREAMED ENUM VALUE QuadEdgeMeshEulerOperatorFlipEdgeFunctionEnums::EdgeStatusType: " << ee
<< std::endl;
}
return EXIT_SUCCESS;
}
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