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WalkCowB

vtk-examples/Cxx/Rendering/WalkCowB

Description

This generates Fig. 3-33b: The cow rotating about a vector passing through her nose.(b) With origin at (6.1,1.3,.02).

Info

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

Other languages

See (Python)

Question

If you have a question about this example, please use the VTK Discourse Forum

Code

WalkCowB.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(WalkCowB)

find_package(VTK COMPONENTS 
  vtkCommonColor
  vtkCommonCore
  vtkCommonTransforms
  vtkFiltersGeneral
  vtkIOGeometry
  vtkIOImage
  vtkInteractionStyle
  vtkRenderingContextOpenGL2
  vtkRenderingCore
  vtkRenderingFreeType
  vtkRenderingGL2PSOpenGL2
  vtkRenderingOpenGL2
  QUIET
)

if (NOT VTK_FOUND)
  message("Skipping WalkCowB: ${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(WalkCowB MACOSX_BUNDLE WalkCowB.cxx )
  target_link_libraries(WalkCowB PRIVATE ${VTK_LIBRARIES})
else()
  # Prevent a "command line is too long" failure in Windows.
  set(CMAKE_NINJA_FORCE_RESPONSE_FILE "ON" CACHE BOOL "Force Ninja to use response files.")
  add_executable(WalkCowB MACOSX_BUNDLE WalkCowB.cxx )
  target_link_libraries(WalkCowB PRIVATE ${VTK_LIBRARIES})
  # vtk_module_autoinit is needed
  vtk_module_autoinit(
    TARGETS WalkCowB
    MODULES ${VTK_LIBRARIES}
    )
endif()

Download and Build WalkCowB

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

cd WalkCowB/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:

./WalkCowB

WINDOWS USERS

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