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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 <iostream>
#include "itkFEMFactoryBase.h"
#include "itkFEMElement2DC0LinearQuadrilateralMembrane.h"
//
int
itkFEMPArrayTest(int, char *[])
{
// Need to register default FEM object types,
// and setup spatialReader to recognize FEM types
// which is all currently done as a HACK in
// the initialization of the itk::FEMFactoryBase::GetFactory()
itk::FEMFactoryBase::GetFactory()->RegisterDefaultTypes();
using ElementType = itk::fem::Element;
using NodeType = ElementType::Node;
using ArrayType = NodeType::ArrayType;
using FEMPointer = itk::fem::FEMP<NodeType>;
ArrayType array;
auto n1 = NodeType::New();
ElementType::VectorType pt(2);
pt[0] = 0.;
pt[1] = 0.;
n1->SetCoordinates(pt);
array.push_back(FEMPointer(n1));
n1 = NodeType::New();
pt[0] = 1.;
pt[1] = 1.;
n1->SetCoordinates(pt);
array.push_back(FEMPointer(n1));
n1 = NodeType::New();
pt[0] = 3.;
pt[1] = 2.;
n1->SetCoordinates(pt);
array.push_back(FEMPointer(n1));
n1 = NodeType::New();
pt[0] = 0.;
pt[1] = 3.;
n1->SetCoordinates(pt);
array.push_back(FEMPointer(n1));
array.Renumber();
std::cout << "Nodes\n";
try
{
array.Find(3);
array.Find(1);
array.Find(2);
array.Find(0);
}
catch (const itk::ExceptionObject & e)
{
std::cout << "Exception caught: " << e << std::endl;
return EXIT_FAILURE;
}
// try an element with GN larger than the array size
auto n2 = NodeType::New();
pt[0] = 0.;
pt[1] = 3.;
n2->SetCoordinates(pt);
// changes made - kiran
// n1->GN = 200;
n2->SetGlobalNumber(200);
std::cout << "New Node " << n2->GetGlobalNumber() << std::endl;
// changes made - kiran
array.push_back(FEMPointer(n2));
std::cout << "Node 0 " << array[0]->GetGlobalNumber() << std::endl;
std::cout << "Node 1 " << array[1]->GetGlobalNumber() << std::endl;
std::cout << "Node 2 " << array[2]->GetGlobalNumber() << std::endl;
std::cout << "Node 3 " << array[3]->GetGlobalNumber() << std::endl;
std::cout << "Node 4 " << array[4]->GetGlobalNumber() << std::endl;
NodeType::Pointer node;
try
{
node = array.Find(200);
}
catch (const itk::ExceptionObject & e)
{
std::cout << "Exception caught: " << e << std::endl;
return EXIT_FAILURE;
}
try
{
// Intentionally fail, by asking for a non-existing element
node = array.Find(1000);
std::cout << "Error: exception should have been thrown here... " << std::endl;
return EXIT_FAILURE;
}
catch (const itk::ExceptionObject & e)
{
std::cout << "Passed Exception test: " << e << std::endl;
}
// Use the node in order to avoid warning for unused variable
ElementType::VectorType coordinates = node->GetCoordinates();
std::cout << "Coordinates = " << std::endl;
for (double coordinate : coordinates)
{
std::cout << coordinate << " " << std::endl;
}
std::cout << "Test PASSED!\n";
return EXIT_SUCCESS;
}
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