PineRootConnectivityA
vtk-examples/Cxx/VisualizationAlgorithms/PineRootConnectivityA
Description¶
This example applies connectivity filter to remove noisy isosurface. Data is from 256^3 volume data of the root system of a pine tree.
The example runs PineRootConnectivity as follows:
PineRootConnectivityA pine_root.tri 1
Info
See Figure 9-51a in Chapter 9 The VTK Textbook.
Other languages
See (Python)
Question
If you have a question about this example, please use the VTK Discourse Forum
Code¶
PineRootConnectivityA.cxx
#include <vtkActor.h>
#include <vtkCamera.h>
#include <vtkNamedColors.h>
#include <vtkPointData.h>
#include <vtkPointSource.h>
#include <vtkPolyDataMapper.h>
#include <vtkProperty.h>
#include <vtkRenderWindow.h>
#include <vtkRenderWindowInteractor.h>
#include <vtkRenderer.h>
#include <vtkStreamTracer.h>
#include <vtkStructuredGrid.h>
#include <vtkStructuredGridGeometryFilter.h>
#include <vtkStructuredGridOutlineFilter.h>
#include <vtkStructuredGridReader.h>
#include "PineRootConnectivity.cxx"
CMakeLists.txt¶
cmake_minimum_required(VERSION 3.12 FATAL_ERROR)
project(PineRootConnectivityA)
find_package(VTK COMPONENTS
vtkCommonColor
vtkCommonDataModel
vtkFiltersCore
vtkFiltersFlowPaths
vtkFiltersGeometry
vtkFiltersSources
vtkIOLegacy
vtkInteractionStyle
vtkRenderingContextOpenGL2
vtkRenderingCore
vtkRenderingFreeType
vtkRenderingGL2PSOpenGL2
vtkRenderingOpenGL2
QUIET
)
if (NOT VTK_FOUND)
message("Skipping PineRootConnectivityA: ${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(PineRootConnectivityA MACOSX_BUNDLE PineRootConnectivityA.cxx )
target_link_libraries(PineRootConnectivityA 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(PineRootConnectivityA MACOSX_BUNDLE PineRootConnectivityA.cxx )
target_link_libraries(PineRootConnectivityA PRIVATE ${VTK_LIBRARIES})
# vtk_module_autoinit is needed
vtk_module_autoinit(
TARGETS PineRootConnectivityA
MODULES ${VTK_LIBRARIES}
)
endif()
Download and Build PineRootConnectivityA¶
Click here to download PineRootConnectivityA and its CMakeLists.txt file. Once the tarball PineRootConnectivityA.tar has been downloaded and extracted,
cd PineRootConnectivityA/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:
./PineRootConnectivityA
WINDOWS USERS
Be sure to add the VTK bin directory to your path. This will resolve the VTK dll's at run time.