AppendFilter.tar

AppendFilter/0000755000076500000240000000000013424703035014404 5ustar  lorensenstaff00000000000000AppendFilter/AppendFilter.cxx0000644000076500000240000000526213424703035017512 0ustar  lorensenstaff00000000000000#include <vtkSmartPointer.h>
#include <vtkAppendFilter.h>

#include <vtkActor.h>
#include <vtkDataSetMapper.h>
#include <vtkPointSource.h>
#include <vtkPoints.h>
#include <vtkPolyData.h>
#include <vtkProperty.h>
#include <vtkRenderWindow.h>
#include <vtkRenderWindowInteractor.h>
#include <vtkRenderer.h>
#include <vtkUnstructuredGrid.h>
#include <vtkNamedColors.h>

int main(int, char *[])
{
  // Create 5 points (vtkPolyData)
  vtkSmartPointer<vtkPointSource> pointSource =
    vtkSmartPointer<vtkPointSource>::New();
  pointSource->SetNumberOfPoints(5);
  pointSource->Update();

  vtkSmartPointer<vtkPolyData> polydata = pointSource->GetOutput();

  std::cout << "There are " << polydata->GetNumberOfPoints()
            << " points in the polydata." << std::endl;

  // Create 2 points in a vtkUnstructuredGrid

  vtkSmartPointer<vtkPoints> points =
    vtkSmartPointer<vtkPoints>::New();
  points->InsertNextPoint(0,0,0);
  points->InsertNextPoint(0,0,1);

  vtkSmartPointer<vtkUnstructuredGrid> ug =
    vtkSmartPointer<vtkUnstructuredGrid>::New();
  ug->SetPoints(points);

  std::cout << "There are " << ug->GetNumberOfPoints()
            << " points in the unstructured grid." << std::endl;

  // Combine the two data sets
  vtkSmartPointer<vtkAppendFilter> appendFilter =
    vtkSmartPointer<vtkAppendFilter>::New();
  appendFilter->AddInputData(polydata);
  appendFilter->AddInputData(ug);
  appendFilter->Update();

  vtkSmartPointer<vtkUnstructuredGrid> combined =
    appendFilter->GetOutput();
  std::cout << "There are " << combined->GetNumberOfPoints()
            << " points combined." << std::endl;

  // Create a mapper and actor
  vtkSmartPointer<vtkNamedColors> colors =
    vtkSmartPointer<vtkNamedColors>::New();

  vtkSmartPointer<vtkDataSetMapper> mapper =
    vtkSmartPointer<vtkDataSetMapper>::New();
  mapper->SetInputConnection(appendFilter->GetOutputPort());

  vtkSmartPointer<vtkActor> actor =
    vtkSmartPointer<vtkActor>::New();
  actor->SetMapper(mapper);
  actor->GetProperty()->SetPointSize(5);

  // Create a renderer, render window, and interactor
  vtkSmartPointer<vtkRenderer> renderer =
    vtkSmartPointer<vtkRenderer>::New();
  vtkSmartPointer<vtkRenderWindow> renderWindow =
    vtkSmartPointer<vtkRenderWindow>::New();
  renderWindow->AddRenderer(renderer);
  vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor =
    vtkSmartPointer<vtkRenderWindowInteractor>::New();
  renderWindowInteractor->SetRenderWindow(renderWindow);

  // Add the actor to the scene
  renderer->AddActor(actor);
  renderer->SetBackground(colors->GetColor3d("SlateGray").GetData());

  // Render and interact
  renderWindow->Render();
  renderWindowInteractor->Start();
  
  return EXIT_SUCCESS;
}
AppendFilter/CMakeLists.txt0000644000076500000240000000164013424703035017145 0ustar  lorensenstaff00000000000000
cmake_minimum_required(VERSION 3.3 FATAL_ERROR)

project(AppendFilter)

find_package(VTK COMPONENTS 
  vtkCommonColor
  vtkCommonCore
  vtkCommonDataModel
  vtkFiltersCore
  vtkFiltersSources
  vtkInteractionStyle
  vtkRenderingCore
  vtkRenderingFreeType
  vtkRenderingOpenGL2 QUIET)
if (NOT VTK_FOUND)
  message("Skipping AppendFilter: ${VTK_NOT_FOUND_MESSAGE}")
  return ()
endif()
message (STATUS "VTK_VERSION: ${VTK_VERSION}")
if (VTK_VERSION VERSION_LESS "8.90.0")
  # old system
  include(${VTK_USE_FILE})
  add_executable(AppendFilter MACOSX_BUNDLE AppendFilter.cxx )
  target_link_libraries(AppendFilter PRIVATE ${VTK_LIBRARIES})
else ()
  # include all components
  add_executable(AppendFilter MACOSX_BUNDLE AppendFilter.cxx )
  target_link_libraries(AppendFilter PRIVATE ${VTK_LIBRARIES})
  # vtk_module_autoinit is needed
  vtk_module_autoinit(
    TARGETS AppendFilter
    MODULES ${VTK_LIBRARIES}
    )
endif () 
AppendFilter/build/0000755000076500000240000000000013424703035015503 5ustar  lorensenstaff00000000000000AppendFilter/AppendFilter.py0000644000076500000240000000330213424703035017331 0ustar  lorensenstaff00000000000000#!/usr/bin/env python

import vtk

def main(): 
    # Create 5 points (vtkPolyData)
    pointSource = vtk.vtkPointSource()
    pointSource.SetNumberOfPoints(5)
    pointSource.Update()
    
    polydata = pointSource.GetOutput()
    
    print "points in polydata are",polydata.GetNumberOfPoints()
    
    # Create 2 points in a vtkUnstructuredGrid
    points = vtk.vtkPoints()
    points.InsertNextPoint(0,0,0)
    points.InsertNextPoint(0,0,1)
    
    ug = vtk.vtkUnstructuredGrid()
    ug.SetPoints(points)
    print "points in unstructured grid are",ug.GetNumberOfPoints()
    
    # Combine the two data sets
    appendFilter = vtk.vtkAppendFilter()
    appendFilter.AddInputData(polydata)
    appendFilter.AddInputData(ug)
    appendFilter.Update()
    
    combined = vtk.vtkUnstructuredGrid()
    
    combined = appendFilter.GetOutput()
    print "Combined points are", combined.GetNumberOfPoints()
    
    # Create a mapper and actor
    colors = vtk.vtkNamedColors()
    
    mapper = vtk.vtkDataSetMapper()
    mapper.SetInputConnection(appendFilter.GetOutputPort())
    
    actor = vtk.vtkActor()
    actor.SetMapper(mapper)
    actor.GetProperty().SetPointSize(5)
    
    # Create a renderer, render window, and interactor
    renderer = vtk.vtkRenderer()
    renderWindow = vtk.vtkRenderWindow()
    renderWindow.AddRenderer(renderer)
    renderWindowInteractor = vtk.vtkRenderWindowInteractor()
    renderWindowInteractor.SetRenderWindow(renderWindow)
    
    # Add the actor to the scene
    renderer.AddActor(actor)
    renderer.SetBackground(colors.GetColor3d("SlateGray"))
    
    # Render and interact
    renderWindow.Render()
    renderWindowInteractor.Start()

if __name__ == '__main__':
    main()