SampleFunction
VTKExamples/CSharp/ImplicitFunctions/SampleFunction
Description¶
A tutorial on how to setup a Windows Forms Application utilizing ActiViz.NET can be found here: Setup a Windows Forms Application to use ActiViz.NET
Note: As long as ActiViz.NET is not build with VTK version 6.0 or higher you must define the preprocessor directive VTK_MAJOR_VERSION_5.
Code¶
SampleFunction.cs
using System; using System.Collections.Generic; using System.ComponentModel; using System.Windows.Forms; using System.Diagnostics; using Kitware.VTK; namespace ActiViz.Examples { public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void renderWindowControl1_Load(object sender, EventArgs e) { try { SampleFunction(); } catch(Exception ex) { MessageBox.Show(ex.Message, "Exception", MessageBoxButtons.OK); } } private void SampleFunction() { vtkSphere sphere = vtkSphere.New(); // Sample the function vtkSampleFunction sample = vtkSampleFunction.New(); sample.SetSampleDimensions(50, 50, 50); sample.SetImplicitFunction(sphere); double value = 2.0; double xmin = -value, xmax = value, ymin = -value, ymax = value, zmin = -value, zmax = value; sample.SetModelBounds(xmin, xmax, ymin, ymax, zmin, zmax); // Create the 0 isosurface vtkContourFilter contours = vtkContourFilter.New(); #if VTK_MAJOR_VERSION_5 contours.SetInputConnection(sample.GetOutputPort()); #else contours.SetInputData(sample); #endif contours.GenerateValues(1, 1, 1); // Map the contours to graphical primitives vtkPolyDataMapper contourMapper = vtkPolyDataMapper.New(); #if VTK_MAJOR_VERSION_5 contourMapper.SetInputConnection(contours.GetOutputPort()); #else contourMapper.SetInputData(contours); #endif contourMapper.SetScalarRange(0.0, 1.2); // Create an actor for the contours vtkActor contourActor = vtkActor.New(); contourActor.SetMapper(contourMapper); // -- create a box around the function to indicate the sampling volume -- // Create outline vtkOutlineFilter outline = vtkOutlineFilter.New(); #if VTK_MAJOR_VERSION_5 outline.SetInputConnection(sample.GetOutputPort()); #else outline.SetInputData(sample); #endif // Map it to graphics primitives vtkPolyDataMapper outlineMapper = vtkPolyDataMapper.New(); #if VTK_MAJOR_VERSION_5 outlineMapper.SetInputConnection(outline.GetOutputPort()); #else outlineMapper.SetInputData(outline); #endif // Create an actor for it vtkActor outlineActor = vtkActor.New(); outlineActor.SetMapper(outlineMapper); outlineActor.GetProperty().SetColor(0, 0, 0); // get a reference to the renderwindow of our renderWindowControl1 vtkRenderWindow renderWindow = renderWindowControl1.RenderWindow; // renderer vtkRenderer renderer = renderWindow.GetRenderers().GetFirstRenderer(); // set background color renderer.SetBackground(1.0, 1.0, 1.0); // add our actor to the renderer renderer.AddActor(contourActor); renderer.AddActor(outlineActor); } } }