# TriangleStrip

VTKExamples/CSharp/GeometricObjects/TriangleStrip

### Description

A triangle strip is a compact representation of a series of triangles. See this wikipedia article for an explanation.
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

TriangleStrip.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 {
                TriangleStrip();
             }
             catch(Exception ex) {
                MessageBox.Show(ex.Message, "Exception", MessageBoxButtons.OK);
             }
          }

          private void TriangleStrip() {
             vtkPoints points = vtkPoints.New();
             points.InsertNextPoint(0, 0, 0);
             points.InsertNextPoint(0, 1, 0);
             points.InsertNextPoint(1, 0, 0);
             points.InsertNextPoint(1.5, 1, 0);

             vtkTriangleStrip triangleStrip = vtkTriangleStrip.New();
             triangleStrip.GetPointIds().SetNumberOfIds(4);
             triangleStrip.GetPointIds().SetId(0, 0);
             triangleStrip.GetPointIds().SetId(1, 1);
             triangleStrip.GetPointIds().SetId(2, 2);
             triangleStrip.GetPointIds().SetId(3, 3);

             vtkCellArray cells = vtkCellArray.New();
             cells.InsertNextCell(triangleStrip);
             // Create a polydata to store everything in
             vtkPolyData polyData = vtkPolyData.New();

             // Add the points to the dataset
             polyData.SetPoints(points);
             // Add the strip to the dataset
             polyData.SetStrips(cells);

             //Create an actor and mapper
             vtkDataSetMapper mapper = vtkDataSetMapper.New();
             mapper.SetInput(polyData);
             vtkActor actor = vtkActor.New();
             actor.GetProperty().SetRepresentationToWireframe();

             actor.SetMapper(mapper);
             vtkRenderWindow renderWindow = renderWindowControl1.RenderWindow;
             vtkRenderer renderer = renderWindow.GetRenderers().GetFirstRenderer();
             renderer.SetBackground(0.2, 0.3, 0.4);
             renderer.AddActor(actor);
          }
       }
    }