public System.Drawing.Image Render(RendererOptions options)
{
// The main object model group.
Model3DGroup group = new Model3DGroup();
// The camera.
PerspectiveCamera camera = new PerspectiveCamera();
Viewport3D viewport = new Viewport3D();
// Give the camera its initial position.
camera.FieldOfView = 5.75;
viewport.Camera = camera;
// The camera's current location.
string textureFilePath = options.TextureFilePath;
int size = (int)options.OutputImageSize;
double cameraPhi = ToRadians(options.LatitudeShift);
double cameraTheta = ToRadians(options.LongutudeShift);
double cameraR = 20;
// Calculate the camera's position in Cartesian coordinates.
double y = cameraR * Math.Sin(cameraPhi);
double hyp = cameraR * Math.Cos(cameraPhi);
double x = hyp * Math.Cos(cameraTheta);
double z = hyp * Math.Sin(cameraTheta);
camera.Position = new Point3D(x, y, z);
// Look toward the origin.
camera.LookDirection = new Vector3D(-x, -y, -z);
// Set the Up direction.
camera.UpDirection = new Vector3D(0, 1, 0);
// Define lights.
AmbientLight ambientLight = new AmbientLight(Colors.White);
group.Children.Add(ambientLight);
// Create the model.
// Globe. Place it in a new model so we can transform it.
Model3DGroup globe = new Model3DGroup();
group.Children.Add(globe);
ImageBrush globeBrush = new ImageBrush(new BitmapImage(new Uri(textureFilePath, UriKind.RelativeOrAbsolute)));
Material globeMaterial = new DiffuseMaterial(globeBrush);
MakeSphere(globe, globeMaterial, 1, 0, 0, 0, 64, 64);
// Add the group of models to a ModelVisual3D.
ModelVisual3D visual = new ModelVisual3D();
visual.Content = group;
// Display the main visual to the viewport.
viewport.Children.Add(visual);
viewport.Width = size;
viewport.Height = size;
viewport.Measure(new System.Windows.Size(size, size));
viewport.Arrange(new System.Windows.Rect(0, 0, size, size));
viewport.InvalidateVisual();
if (targetBitmap == null)
{
targetBitmap = new RenderTargetBitmap(size, size, 96, 96, PixelFormats.Pbgra32);
}
targetBitmap.Clear();
targetBitmap.Render(viewport);
return(ToWinFormsBitmap(targetBitmap));
}
public RendererOptionsInOut(RendererOptions opts, Action <Bitmap> onComplete)
{
Options = opts;
OnComplete = onComplete;
}
