vtkTestProgressReportFilter

VTKExamples/Cxx/Developers/vtkTestProgressReportFilter

Code

vtkTestProgressReportFilter.cxx

#include "vtkTestProgressReportFilter.h"

#include "vtkObjectFactory.h"
#include "vtkStreamingDemandDrivenPipeline.h"
#include "vtkInformationVector.h"
#include "vtkInformation.h"
#include "vtkDataObject.h"
#include "vtkSmartPointer.h"

vtkStandardNewMacro(vtkTestProgressReportFilter);

int vtkTestProgressReportFilter::RequestData(
  vtkInformation *vtkNotUsed(request),
  vtkInformationVector **inputVector,
  vtkInformationVector *outputVector)
{

  // Get the info objects
  vtkInformation *inInfo = inputVector[0]->GetInformationObject(0);
  vtkInformation *outInfo = outputVector->GetInformationObject(0);


  // Get the input and ouptut
  vtkPolyData *input = vtkPolyData::SafeDownCast(
    inInfo->Get(vtkDataObject::DATA_OBJECT()));

  vtkPolyData *output = vtkPolyData::SafeDownCast(
    outInfo->Get(vtkDataObject::DATA_OBJECT()));

  for(vtkIdType i = 0; i < input->GetNumberOfPoints(); i++)
  {
    this->UpdateProgress(static_cast<double>(i)/input->GetNumberOfPoints());
  }

  output->ShallowCopy(input);

  return 1;
}

CMakeLists.txt

cmake_minimum_required(VERSION 2.8)

PROJECT(vtkTestProgressReportFilter)

find_package(VTK REQUIRED)
include(${VTK_USE_FILE})

add_executable(vtkTestProgressReportFilter MACOSX_BUNDLE vtkTestProgressReportFilter.cxx)

target_link_libraries(vtkTestProgressReportFilter ${VTK_LIBRARIES})

Download and Build vtkTestProgressReportFilter

Click here to download vtkTestProgressReportFilter and its CMakeLists.txt file. Once the tarball vtkTestProgressReportFilter.tar has been downloaded and extracted,

cd vtkTestProgressReportFilter/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:

./vtkTestProgressReportFilter

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.