StructuredPointsReader
vtk-examples/Cxx/IO/StructuredPointsReader
Description¶
An example input file can be found at
Other languages
See (Java)
Question
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Code¶
StructuredPointsReader.cxx
#include <vtkImageDataGeometryFilter.h>
#include <vtkNamedColors.h>
#include <vtkNew.h>
#include <vtkPolyDataMapper.h>
#include <vtkProperty.h>
#include <vtkRenderWindow.h>
#include <vtkRenderWindowInteractor.h>
#include <vtkRenderer.h>
#include <vtkStructuredPointsReader.h>
int main(int argc, char* argv[])
{
vtkNew<vtkNamedColors> colors;
// Verify input arguments
if (argc != 2)
{
std::cout << "Usage: " << argv[0]
<< " Filename(.vtk) e.g. StructuredPoints.vtk" << std::endl;
return EXIT_FAILURE;
}
std::string inputFilename = argv[1];
// Read the file
vtkNew<vtkStructuredPointsReader> reader;
reader->SetFileName(inputFilename.c_str());
reader->Update();
vtkNew<vtkImageDataGeometryFilter> geometryFilter;
geometryFilter->SetInputConnection(reader->GetOutputPort());
geometryFilter->Update();
// Visualize
vtkNew<vtkPolyDataMapper> mapper;
mapper->SetInputConnection(geometryFilter->GetOutputPort());
vtkNew<vtkActor> actor;
actor->SetMapper(mapper);
vtkNew<vtkRenderer> renderer;
vtkNew<vtkRenderWindow> renderWindow;
renderWindow->AddRenderer(renderer);
renderWindow->SetWindowName("StructuredPointsReader");
vtkNew<vtkRenderWindowInteractor> renderWindowInteractor;
renderWindowInteractor->SetRenderWindow(renderWindow);
renderer->AddActor(actor);
renderer->SetBackground(colors->GetColor3d("SlateGray").GetData());
renderWindow->Render();
renderWindowInteractor->Start();
return EXIT_SUCCESS;
}
CMakeLists.txt¶
cmake_minimum_required(VERSION 3.3 FATAL_ERROR)
project(StructuredPointsReader)
find_package(VTK COMPONENTS
vtkCommonColor
vtkCommonCore
vtkFiltersGeometry
vtkIOLegacy
vtkInteractionStyle
vtkRenderingContextOpenGL2
vtkRenderingCore
vtkRenderingFreeType
vtkRenderingGL2PSOpenGL2
vtkRenderingOpenGL2
QUIET
)
if (NOT VTK_FOUND)
message("Skipping StructuredPointsReader: ${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(StructuredPointsReader MACOSX_BUNDLE StructuredPointsReader.cxx )
target_link_libraries(StructuredPointsReader PRIVATE ${VTK_LIBRARIES})
else ()
# include all components
add_executable(StructuredPointsReader MACOSX_BUNDLE StructuredPointsReader.cxx )
target_link_libraries(StructuredPointsReader PRIVATE ${VTK_LIBRARIES})
# vtk_module_autoinit is needed
vtk_module_autoinit(
TARGETS StructuredPointsReader
MODULES ${VTK_LIBRARIES}
)
endif ()
Download and Build StructuredPointsReader¶
Click here to download StructuredPointsReader and its CMakeLists.txt file. Once the tarball StructuredPointsReader.tar has been downloaded and extracted,
cd StructuredPointsReader/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:
./StructuredPointsReader
WINDOWS USERS
Be sure to add the VTK bin directory to your path. This will resolve the VTK dll's at run time.