VTK/Examples/Cxx/StructuredData/GetLinearPointId

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GetLinearPointId.cxx

#include <vtkSmartPointer.h>
#include <vtkStructuredData.h>
#include <vtkStructuredGrid.h>
 
int main(int, char *[])
{
  // Create a grid
  vtkSmartPointer<vtkStructuredGrid> structuredGrid =
    vtkSmartPointer<vtkStructuredGrid>::New();
 
  // Set the dimensions of the grid
  {
    int dims[3] = {5,10,1};
    structuredGrid->SetDimensions(dims);
  }
 
  // Retrieve the dimensions of the grid
  int dimensions[3];
  structuredGrid->GetDimensions(dimensions);
 
  {
  int queryPoint[3] = {4, 0, 0};
  vtkIdType pointId = vtkStructuredData::ComputePointId(dimensions, queryPoint);
 
  std::cout << "PointId: " << pointId << std::endl; // Outputs '4'
  }
 
  {
  int queryPoint[3] = {0, 1, 0};
  vtkIdType pointId = vtkStructuredData::ComputePointId(dimensions, queryPoint);
 
  std::cout << "PointId: " << pointId << std::endl; // Outputs '5'
  }
  return EXIT_SUCCESS;
}

CMakeLists.txt

cmake_minimum_required(VERSION 2.8)
 
PROJECT(GetLinearPointId)
 
find_package(VTK REQUIRED)
include(${VTK_USE_FILE})
 
if (APPLE)
  add_executable(GetLinearPointId MACOSX_BUNDLE GetLinearPointId.cxx)
else()
  add_executable(GetLinearPointId GetLinearPointId.cxx)
endif()
 
if(VTK_LIBRARIES)
  target_link_libraries(GetLinearPointId ${VTK_LIBRARIES})
else()
  target_link_libraries(GetLinearPointId vtkHybrid )
endif()
Retrieved from "http://www.vtk.org/Wiki/VTK/Examples/Cxx/StructuredData/GetLinearPointId"
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