Hexahedron
VTKExamples/CSharp/GeometricObjects/Hexahedron
Description¶
This example creates eight points and creates a hexahedron from the points.
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
Code¶
Hexahedron.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 { Hexahedron(); } catch(Exception ex) { MessageBox.Show(ex.Message, "Exception", MessageBoxButtons.OK); } } private void Hexahedron() { // Setup the coordinates of eight points // (faces must be in counter clockwise order as viewed from the outside) double[,] p = new double[,] { { 0.0, 0.0, 0.0 }, { 1.0, 0.0, 0.0 }, { 1.0, 1.0, 0.0 }, { 0.0, 1.0, 0.0 }, { 0.0, 0.0, 1.0 }, { 1.0, 0.0, 1.0 }, { 1.0, 1.0, 1.0 }, { 0.0, 1.0, 1.0 } }; // Create the points vtkPoints points = vtkPoints.New(); for(int i = 0; i < 8; i++) points.InsertNextPoint(p[i, 0], p[i, 1], p[i, 2]); // Create a hexahedron from the points vtkHexahedron hex = vtkHexahedron.New(); for(int i = 0; i < 8; i++) hex.GetPointIds().SetId(i, i); // Add the hexahedron to a cell array vtkCellArray hexs = vtkCellArray.New(); hexs.InsertNextCell(hex); // Add the points and hexahedron to an unstructured grid vtkUnstructuredGrid uGrid = vtkUnstructuredGrid.New(); uGrid.SetPoints(points); uGrid.InsertNextCell(hex.GetCellType(), hex.GetPointIds()); // Visualize vtkDataSetMapper mapper = vtkDataSetMapper.New(); mapper.SetInput(uGrid); vtkActor actor = vtkActor.New(); actor.SetMapper(mapper); actor.GetProperty().SetLineWidth(4); vtkRenderWindow renderWindow = renderWindowControl1.RenderWindow; vtkRenderer renderer = renderWindow.GetRenderers().GetFirstRenderer(); renderer.SetBackground(0.2, 0.3, 0.4); renderer.AddActor(actor); renderer.ResetCamera(); } } }