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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 "itkQuadEdgeMesh.h"
int
itkQuadEdgeMeshDeleteEdgeTest(int, char *[])
{
using PixelType = double;
using MeshType = itk::QuadEdgeMesh<PixelType, 3>;
std::string indent = " ";
auto mesh = MeshType::New();
// Points
MeshType::PointType p0, p1, p2, p3, p4, p5;
p0[0] = 0.00000000000000;
p0[1] = 0.00000000000000;
p0[2] = 5.0;
p1[0] = 0.00000000000000;
p1[1] = 10.00000000000000;
p1[2] = 0.0;
p2[0] = -9.51056516295153;
p2[1] = 3.09016994374947;
p2[2] = 0.0;
p3[0] = -5.87785252292473;
p3[1] = -8.09016994374947;
p3[2] = 0.0;
p4[0] = 5.87785252292473;
p4[1] = -8.09016994374948;
p4[2] = 0.0;
p5[0] = 9.51056516295154;
p5[1] = 3.09016994374947;
p5[2] = 0.0;
MeshType::PointIdentifier pid0 = mesh->AddPoint(p0);
MeshType::PointIdentifier pid1 = mesh->AddPoint(p1);
MeshType::PointIdentifier pid2 = mesh->AddPoint(p2);
MeshType::PointIdentifier pid3 = mesh->AddPoint(p3);
MeshType::PointIdentifier pid4 = mesh->AddPoint(p4);
MeshType::PointIdentifier pid5 = mesh->AddPoint(p5);
// Cells in a proper way
mesh->AddEdge(pid3, pid4);
mesh->AddEdge(pid4, pid0);
mesh->AddEdge(pid0, pid3);
mesh->AddFaceTriangle(pid3, pid4, pid0);
mesh->AddEdge(pid4, pid5);
mesh->AddEdge(pid5, pid0);
mesh->AddFaceTriangle(pid4, pid5, pid0);
mesh->AddEdge(pid5, pid1);
mesh->AddEdge(pid1, pid0);
mesh->AddFaceTriangle(pid5, pid1, pid0);
mesh->AddEdge(pid1, pid2);
mesh->AddEdge(pid2, pid0);
mesh->AddEdge(pid2, pid3);
itk::IdentifierType edgesBefore = mesh->ComputeNumberOfEdges();
// Deleting two arbitrary edges:
mesh->DeleteEdge(pid3, pid4);
mesh->DeleteEdge(pid0, pid5);
std::cout << indent << "Trying to remove only two edges...";
itk::IdentifierType expectedEdgeCount = 2;
itk::IdentifierType obtainedEdgeCount = edgesBefore - mesh->ComputeNumberOfEdges();
if (obtainedEdgeCount != expectedEdgeCount)
{
std::cerr << "Test failed!" << std::endl;
std::cerr << "Error in itk::QuadEdgeMesh::ComputeNumberOfEdges" << std::endl;
std::cerr << "Expected: " << expectedEdgeCount << ", but got: " << obtainedEdgeCount << std::endl;
return EXIT_FAILURE;
}
std::cout << "Test finished." << std::endl;
return EXIT_SUCCESS;
}
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