LongLine
VTKExamples/CSharp/GeometricObjects/LongLine
Description¶
Connect several points with a line.
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¶
LongLine.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 { LongLine(); } catch(Exception ex) { MessageBox.Show(ex.Message, "Exception", MessageBoxButtons.OK); } } private void LongLine() { // Create five points double[,] p = new double[,] { { 0.0, 0.0, 0.0 }, { 1.0, 0.0, 0.0 }, { 0.0, 1.0, 0.0 }, { 0.0, 1.0, 2.0 }, { 1.0, 2.0, 3.0 } }; // Create a vtkPoints object and store the points in it vtkPoints points = vtkPoints.New(); for(int i = 0; i < 5; i++) points.InsertNextPoint(p[i, 0], p[i, 1], p[i, 2]); // Create a cell array to store the lines in and add the lines to it vtkCellArray lines = vtkCellArray.New(); for(int i = 0; i < 4; i++) { vtkLine line = vtkLine.New(); line.GetPointIds().SetId(0, i); line.GetPointIds().SetId(1, i + 1); lines.InsertNextCell(line); } // Create a polydata to store everything in vtkPolyData linesPolyData = vtkPolyData.New(); // Add the points to the dataset linesPolyData.SetPoints(points); // Add the lines to the dataset linesPolyData.SetLines(lines); // Visualize vtkPolyDataMapper mapper = vtkPolyDataMapper.New(); mapper.SetInput(linesPolyData); 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(); } } }