SortDataArray
Repository source: SortDataArray
Question
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Code¶
SortDataArray.cxx
#include <vtkDoubleArray.h>
#include <vtkIntArray.h>
#include <vtkNew.h>
#include <vtkSortDataArray.h>
int main(int, char*[])
{
vtkNew<vtkDoubleArray> valueArray;
valueArray->InsertNextValue(20.0);
valueArray->InsertNextValue(10.0);
valueArray->InsertNextValue(30.0);
vtkNew<vtkIntArray> keyArray;
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
vtkNew<vtkSortDataArray> sortDataArray;
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 3.12 FATAL_ERROR)
project(SortDataArray)
find_package(VTK COMPONENTS
CommonCore
)
if (NOT VTK_FOUND)
message(FATAL_ERROR "SortDataArray: Unable to find the VTK build folder.")
endif()
# Prevent a "command line is too long" failure in Windows.
set(CMAKE_NINJA_FORCE_RESPONSE_FILE "ON" CACHE BOOL "Force Ninja to use response files.")
add_executable(SortDataArray MACOSX_BUNDLE SortDataArray.cxx )
target_link_libraries(SortDataArray PRIVATE ${VTK_LIBRARIES}
)
# vtk_module_autoinit is needed
vtk_module_autoinit(
TARGETS SortDataArray
MODULES ${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
Be sure to add the VTK bin directory to your path. This will resolve the VTK dll's at run time.