private void ReadJPEG()
{
// 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\beach.jpg");
//Read the image
vtkJPEGReader reader = vtkJPEGReader.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);
}
private vtkImageActor GetMapImage()
{
string filePath = this.folderPath + "\\map.jpg";
vtkImageData imageData;
//Read the image
vtkJPEGReader jpegReader = new vtkJPEGReader();
if (jpegReader.CanReadFile(filePath) == 0)
{
Console.WriteLine("ERROR");
return(null);
}
jpegReader.SetFileName(filePath);
jpegReader.Update();
imageData = jpegReader.GetOutput();
//imageData.SetExtent(0, 1236, 0, 870, 0, 0);
//imageData.SetSpacing(1236, 870, 0.01);
imageData.SetOrigin(0, 0, 0);
vtkImageActor imageActor = new vtkImageActor();
imageActor.SetInput(imageData);
imageActor.SetScale(1f / horizontalRes);
double[] bounds = imageActor.GetBounds();
return(imageActor);
}
private void WriteJPEG()
{
// 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_jpeg.jpg");
int[] extent = new int[] { 0, 99, 0, 99, 0, 0 };
vtkImageCanvasSource2D imageSource = vtkImageCanvasSource2D.New();
imageSource.SetExtent(extent[0], extent[1], extent[2], extent[3], extent[4], extent[5]);
imageSource.SetScalarTypeToUnsignedChar();
imageSource.SetNumberOfScalarComponents(3);
imageSource.SetDrawColor(127, 45, 255);
imageSource.FillBox(0, 99, 0, 99);
imageSource.SetDrawColor(255, 255, 255);
imageSource.FillBox(40, 70, 20, 50);
imageSource.Update();
vtkImageCast castFilter = vtkImageCast.New();
castFilter.SetOutputScalarTypeToUnsignedChar();
castFilter.SetInputConnection(imageSource.GetOutputPort());
castFilter.Update();
vtkJPEGWriter writer = vtkJPEGWriter.New();
writer.SetFileName(filePath);
writer.SetInputConnection(castFilter.GetOutputPort());
writer.Write();
// Read and display file for verification that it was written correctly
vtkJPEGReader reader = vtkJPEGReader.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();
}
public void ReadImageIntoObject(RenderWindowControl renderWindowControl, nvmImageModel camera)
{
vtkRenderWindow renderWindow = renderWindowControl.RenderWindow;
vtkRenderer renderer = renderWindow.GetRenderers().GetFirstRenderer();
string filePath = Path.Combine(tempDirectory, $"{camera.fileName}");
vtkJPEGReader reader = vtkJPEGReader.New();
reader.SetFileName(filePath);
reader.Update();
// Treba poriesit ako nasmerovat obrazky bez pokazenia textury
var vectoris = Vector3.Transform(new Vector3(0, 0, 1), camera.quaternion);
vtkPlaneSource planeSource = vtkPlaneSource.New();
vtkTexture texture = new vtkTexture();
texture.SetInputConnection(reader.GetOutputPort());
vtkTransform transform = new vtkTransform();
transform.RotateX(180);
texture.SetTransform(transform);
vtkTextureMapToPlane plane = new vtkTextureMapToPlane();
plane.SetInputConnection(planeSource.GetOutputPort());
planeSource.SetCenter(camera.cameraCenter.X, camera.cameraCenter.Y, camera.cameraCenter.Z);
vtkPolyDataMapper mapper = vtkPolyDataMapper.New();
mapper.SetInputConnection(plane.GetOutputPort());
vtkActor actor = vtkActor.New();
actor.SetMapper(mapper);
actor.SetTexture(texture);
renderer.SetBackground(0.2, 0.3, 0.4);
renderer.AddActor(actor);
}
private void Window_Loaded(object sender, RoutedEventArgs e)
{
vtkPoints points = vtkPoints.New();
int GridSize = 10;
for (int x = 0; x < GridSize; x++)
{
for (int y = 0; y < GridSize; y++)
{
points.InsertNextPoint(x, y, (x + y) / (y + 1));
}
}
// Add the grid points to a polydata object
vtkPolyData polydata = vtkPolyData.New();
polydata.SetPoints(points);
// Triangulate the grid points
vtkDelaunay2D delaunay = vtkDelaunay2D.New();
delaunay.SetInput(polydata);
delaunay.Update();
vtkPlaneSource plane = vtkPlaneSource.New();
//Read the image data from a file
vtkJPEGReader reader = vtkJPEGReader.New();
reader.SetFileName("C:\\Users\\georg\\Desktop\\texture.jpg");
//Create texture object
vtkTexture texture = vtkTexture.New();
texture.SetInputConnection(reader.GetOutputPort());
//Map texture coordinates
vtkTextureMapToPlane map_to_plane = vtkTextureMapToPlane.New();
map_to_plane.SetInputConnection(plane.GetOutputPort());
map_to_plane.SetInputConnection(delaunay.GetOutputPort());
//Create mapper and set the mapped texture as input
vtkPolyDataMapper mapper = vtkPolyDataMapper.New();
mapper.SetInputConnection(map_to_plane.GetOutputPort());
//Create actor and set the mapper and the texture
vtkActor actor = vtkActor.New();
actor.SetMapper(mapper);
actor.SetTexture(texture);
vtkRenderer renderer = vtkRenderer.New();
renderer.AddActor(actor);
RenderControl1.RenderWindow.AddRenderer(renderer);
}
static void ReadSupport(string Spath)
{
vtkJPEGReader reader = vtkJPEGReader.New();
reader.SetFileName(Spath);
reader.Update();
// Visualize
_ImageViewer = vtkImageViewer2.New();
_ImageViewer.SetInputConnection(reader.GetOutputPort());
_SliceStatusMapper = vtkTextMapper.New();
_SliceStatusMapper.SetInputConnection(reader.GetOutputPort());
vtkActor2D sliceStatusActor = vtkActor2D.New();
sliceStatusActor.SetMapper(_SliceStatusMapper);
vtkRenderWindow renderWindow = vtkRenderWindow.New();
//Display in full screen
renderWindow.SetFullScreen(1);
vtkInteractorStyleImage interactorStyle = vtkInteractorStyleImage.New();
renderWindow.GetRenderers().InitTraversal();
vtkRenderer ren;
while ((ren = renderWindow.GetRenderers().GetNextItem()) != null)
{
renderWindow.AddRenderer(ren);
}
_ImageViewer.SetRenderWindow(renderWindow);
_ImageViewer.GetRenderer().AddActor2D(sliceStatusActor);
_ImageViewer.SetSlice(_SupportSlice);
iren = vtkRenderWindowInteractor.New();
iren.SetRenderWindow(renderWindow);
renderWindow.Render();
_ColorLevel = 60;
_ImageViewer.SetColorLevel(_BlackLevel);
_ImageViewer.Render();
Down(_period, 170);
Backward(_period, 1);
for (int i = 0; i < _SupportLayers; i++)
{
System.Threading.Thread.Sleep(_layertime); // delay
Backward(_period, 1);
}
_ImageViewer.SetColorLevel(_BlackLevel);
_ImageViewer.Render();
Forward(_period, _MovedLayers);
Console.WriteLine(_MovedLayers);
if (reader != null)
{
reader.Dispose();
}
if (_ImageViewer != null)
{
_ImageViewer.Dispose();
}
if (_SliceStatusMapper != null)
{
_SliceStatusMapper.Dispose();
}
if (sliceStatusActor != null)
{
sliceStatusActor.Dispose();
}
if (renderWindow != null)
{
renderWindow.Dispose();
}
if (interactorStyle != null)
{
interactorStyle.Dispose();
}
if (ren != null)
{
ren.Dispose();
}
if (iren != null)
{
iren.Dispose();
}
}