SortDataArray
VTKExamples/Cxx/Utilities/SortDataArray
Code
SortDataArray.cxx
#include <vtkSortDataArray.h>
#include <vtkDoubleArray.h>
#include <vtkIntArray.h>
#include <vtkSmartPointer.h>
int main(int, char *[])
{
vtkSmartPointer<vtkDoubleArray> valueArray =
vtkSmartPointer<vtkDoubleArray>::New();
valueArray->InsertNextValue(20.0);
valueArray->InsertNextValue(10.0);
valueArray->InsertNextValue(30.0);
vtkSmartPointer<vtkIntArray> keyArray =
vtkSmartPointer<vtkIntArray>::New();
keyArray->InsertNextValue(1);
keyArray->InsertNextValue(0);
keyArray->InsertNextValue(2);
std::cout << "Unsorted: " << valueArray->GetValue(0) << " "
<< valueArray->GetValue(1) << " "
<< valueArray->GetValue(2) << std::endl;
// Sort the array
vtkSmartPointer<vtkSortDataArray> sortDataArray =
vtkSmartPointer<vtkSortDataArray>::New();
sortDataArray->Sort(keyArray, valueArray);
std::cout << "Sorted: " << valueArray->GetValue(0) << " "
<< valueArray->GetValue(1) << " "
<< valueArray->GetValue(2) << std::endl;
return EXIT_SUCCESS;
}
CMakeLists.txt
cmake_minimum_required(VERSION 2.8)
PROJECT(SortDataArray)
find_package(VTK REQUIRED)
include(${VTK_USE_FILE})
add_executable(SortDataArray MACOSX_BUNDLE SortDataArray.cxx)
target_link_libraries(SortDataArray ${VTK_LIBRARIES})
Download and Build SortDataArray
Click here to download SortDataArray and its CMakeLists.txt file. Once the tarball SortDataArray.tar has been downloaded and extracted,
cd SortDataArray/build
If VTK is installed:
cmake ..
If VTK is not installed but compiled on your system, you will need to specify the path to your VTK build:
cmake -DVTK_DIR:PATH=/home/me/vtk_build ..
Build the project:
make
and run it:
./SortDataArray
WINDOWS USERS PLEASE NOTE: Be sure to add the VTK bin directory to your path. This will resolve the VTK dll's at run time.