PerlinNoise
VTKExamples/Cxx/Filtering/PerlinNoise
Code
PerlinNoise.cxx
#include <vtkSmartPointer.h>
#include <vtkPolyDataMapper.h>
#include <vtkActor.h>
#include <vtkRenderWindow.h>
#include <vtkRenderer.h>
#include <vtkRenderWindowInteractor.h>
#include <vtkSampleFunction.h>
#include <vtkContourFilter.h>
#include <vtkProperty.h>
#include <vtkCamera.h>
#include <vtkPerlinNoise.h>
int main(int, char *[])
{
vtkSmartPointer<vtkPerlinNoise> perlinNoise =
vtkSmartPointer<vtkPerlinNoise>::New();
perlinNoise->SetFrequency(2, 1.25, 1.5);
perlinNoise->SetPhase(0, 0, 0);
vtkSmartPointer<vtkSampleFunction> sample =
vtkSmartPointer<vtkSampleFunction>::New();
sample->SetImplicitFunction(perlinNoise);
sample->SetSampleDimensions(65, 65, 20);
sample->ComputeNormalsOff();
vtkSmartPointer<vtkContourFilter> surface =
vtkSmartPointer<vtkContourFilter>::New();
surface->SetInputConnection(sample->GetOutputPort());
surface->SetValue(0, 0.0);
vtkSmartPointer<vtkPolyDataMapper> mapper =
vtkSmartPointer<vtkPolyDataMapper>::New();
mapper->SetInputConnection(surface->GetOutputPort());
mapper->ScalarVisibilityOff();
vtkSmartPointer<vtkActor> actor =
vtkSmartPointer<vtkActor>::New();
actor->SetMapper(mapper);
actor->GetProperty()->SetColor(0.2, 0.4, 0.6);
vtkSmartPointer<vtkRenderer> renderer =
vtkSmartPointer<vtkRenderer>::New();
vtkSmartPointer<vtkRenderWindow> renderWindow =
vtkSmartPointer<vtkRenderWindow>::New();
renderWindow->AddRenderer(renderer);
vtkSmartPointer<vtkRenderWindowInteractor> interactor =
vtkSmartPointer<vtkRenderWindowInteractor>::New();
interactor->SetRenderWindow(renderWindow);
// Add the actors to the renderer, set the background and size
renderer->AddActor(actor);
renderer->SetBackground(1, 1, 1);
renderWindow->SetSize(300, 300);
renderer->ResetCamera();
renderWindow->Render();
interactor->Start();
return EXIT_SUCCESS;
}
CMakeLists.txt
cmake_minimum_required(VERSION 2.8)
PROJECT(PerlinNoise)
find_package(VTK REQUIRED)
include(${VTK_USE_FILE})
add_executable(PerlinNoise MACOSX_BUNDLE PerlinNoise.cxx)
target_link_libraries(PerlinNoise ${VTK_LIBRARIES})
Download and Build PerlinNoise
Click here to download PerlinNoise and its CMakeLists.txt file. Once the tarball PerlinNoise.tar has been downloaded and extracted,
cd PerlinNoise/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:
./PerlinNoise
WINDOWS USERS PLEASE NOTE: Be sure to add the VTK bin directory to your path. This will resolve the VTK dll's at run time.