WalkCowA

VTKExamples/Cxx/Rendering/WalkCowA

Description¶

This generates Fig. 3-33a: The cow rotating about a vector passing through her nose. (a) With origin (0,0,0).

Info

See Figure 3-33a in Chapter 3 the VTK Textbook.

Other Languages

See (Python)

Code¶

WalkCowA.cxx

// These includes are necessary for WhatModulesVTK.py
#include <vtkActor.h>
#include <vtkAxes.h>
#include <vtkBYUReader.h>
#include <vtkCallbackCommand.h>
#include <vtkCamera.h>
#include <vtkNamedColors.h>
#include <vtkPNGWriter.h>
#include <vtkPolyDataMapper.h>
#include <vtkProperty.h>
#include <vtkRenderWindow.h>
#include <vtkRenderWindowInteractor.h>
#include <vtkRenderer.h>
#include <vtkSmartPointer.h>
#include <vtkTransform.h>
#include <vtkVersionMacros.h>
#include <vtkWindowToImageFilter.h>

#include "WalkCow.cxx"

CMakeLists.txt¶

cmake_minimum_required(VERSION 3.3 FATAL_ERROR)

project(WalkCowA)

find_package(VTK COMPONENTS 
  vtkCommonColor
  vtkCommonCore
  vtkCommonTransforms
  vtkFiltersGeneral
  vtkIOGeometry
  vtkIOImage
  vtkInteractionStyle
  vtkRenderingCore
  vtkRenderingFreeType
  vtkRenderingOpenGL2 QUIET)
if (NOT VTK_FOUND)
  message("Skipping WalkCowA: ${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(WalkCowA MACOSX_BUNDLE WalkCowA.cxx )
  target_link_libraries(WalkCowA PRIVATE ${VTK_LIBRARIES})
else ()
  # include all components
  add_executable(WalkCowA MACOSX_BUNDLE WalkCowA.cxx )
  target_link_libraries(WalkCowA PRIVATE ${VTK_LIBRARIES})
  # vtk_module_autoinit is needed
  vtk_module_autoinit(
    TARGETS WalkCowA
    MODULES ${VTK_LIBRARIES}
    )
endif ()

Download and Build WalkCowA¶

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

cd WalkCowA/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:

./WalkCowA

WINDOWS USERS

Be sure to add the VTK bin directory to your path. This will resolve the VTK dll's at run time.