ArrayLookup
VTKExamples/Cxx/Utilities/ArrayLookup
Code
ArrayLookup.cxx
#include <vtkSmartPointer.h>
#include <vtkFloatArray.h>
#include <vtkIdList.h>
int main(int, char *[])
{
vtkSmartPointer<vtkFloatArray> distances =
vtkSmartPointer<vtkFloatArray>::New();
distances->SetNumberOfComponents(1);
distances->SetName("Distances");
distances->InsertNextValue(5);
distances->InsertNextValue(15);
distances->InsertNextValue(15);
distances->InsertNextValue(25);
distances->InsertNextValue(15);
// Get first location
vtkIdType result = distances->LookupValue(15);
std::cout << "result: " << result << std::endl;
// Get all locations
vtkSmartPointer<vtkIdList> idList =
vtkSmartPointer<vtkIdList>::New();
distances->LookupValue(15, idList);
std::cout << "found at: " << std::endl;
for(vtkIdType i = 0; i < idList->GetNumberOfIds(); i++)
{
std::cout << idList->GetId(i) << " ";
}
return EXIT_SUCCESS;
}
CMakeLists.txt
cmake_minimum_required(VERSION 2.8)
PROJECT(ArrayLookup)
find_package(VTK REQUIRED)
include(${VTK_USE_FILE})
add_executable(ArrayLookup MACOSX_BUNDLE ArrayLookup.cxx)
target_link_libraries(ArrayLookup ${VTK_LIBRARIES})
Download and Build ArrayLookup
Click here to download ArrayLookup and its CMakeLists.txt file. Once the tarball ArrayLookup.tar has been downloaded and extracted,
cd ArrayLookup/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:
./ArrayLookup
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.