WriteBMP
VTKExamples/CSharp/IO/WriteBMP
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
Code¶
WriteBMP.cs
using System; using System.Collections.Generic; using System.ComponentModel; using System.Windows.Forms; using System.Diagnostics; using System.IO; using Kitware.VTK; namespace ActiViz.Examples { public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void renderWindowControl1_Load(object sender, EventArgs e) { try { WriteBMP(); } catch(Exception ex) { MessageBox.Show(ex.Message, "Exception", MessageBoxButtons.OK); } } private void WriteBMP() { // Path to vtk data must be set as an environment variable // VTK_DATA_ROOT = "C:\VTK\vtkdata-5.8.0" vtkTesting test = vtkTesting.New(); string root = test.GetDataRoot(); string filePath = System.IO.Path.Combine(root, @"Data\test_bmp.bmp"); int[] extent = new int[] { 1, 10, 1, 10, 1, 10 }; vtkImageCanvasSource2D imageSource = vtkImageCanvasSource2D.New(); imageSource.SetScalarTypeToUnsignedChar(); imageSource.SetExtent(0, 9, 0, 9, 0, 0); imageSource.SetNumberOfScalarComponents(3); imageSource.SetDrawColor(0, 0, 0, 0); imageSource.FillBox(0, 9, 0, 9); imageSource.SetDrawColor(255, 0, 0, 0); imageSource.FillBox(5, 7, 5, 7); imageSource.Update(); vtkBMPWriter bmpWriter = vtkBMPWriter.New(); bmpWriter.SetFileName(filePath); bmpWriter.SetInputConnection(imageSource.GetOutputPort()); bmpWriter.Write(); // Read and display file for verification that it was written correctly vtkBMPReader reader = vtkBMPReader.New(); if(reader.CanReadFile(filePath) == 0) { MessageBox.Show("Cannot read file \"" + filePath + "\"", "Error", MessageBoxButtons.OK); return; } reader.SetFileName(filePath); reader.Update(); // Visualize vtkImageViewer2 imageViewer = vtkImageViewer2.New(); imageViewer.SetInputConnection(reader.GetOutputPort()); // get a reference to the renderwindow of our renderWindowControl1 vtkRenderWindow renderWindow = renderWindowControl1.RenderWindow; // renderer vtkRenderer renderer = renderWindow.GetRenderers().GetFirstRenderer(); // set background color renderer.SetBackground(0.2, 0.3, 0.4); imageViewer.SetRenderer(renderer); renderer.ResetCamera(); } } }