/// <summary>
/// Initializes a new instance of the DigitalElevationMap class.
/// </summary>
/// <param name="mapSize">Size of the map</param>
/// <param name="rDb"></param>
/// <param name="devIf"></param>
/// <param name="reader"></param>
public DigitalElevationMap(Size mapSize, RasterDatabase.RasterDatabase rDb,
DeviceInterface devIf, GDALReader reader)
: base(new Vector3(-5f, -0.5f, -5f), new Vector3(5f, 1f, 5f))
{
this.mapSize = mapSize;
maxDimension = mapSize.Width > mapSize.Height ? mapSize.Width : mapSize.Height;
this.rDb = rDb;
this.devIf = devIf;
this.reader = reader;
axisHelper = new Axis3DHelper(new Vector3(2.5f, 0.5f, 2.5f));
rotAxisHelper = new RotationAxis3DHelper(new Vector3());
}
private void button1_Click(object sender, EventArgs e)
{
src = Bitmap.FromFile(@"f:\output.bmp");
src2 = Bitmap.FromFile(@"C:\Users\Andrew\Pictures\sense.jpg");
RasterDatabase db = new RasterDatabase();
DataLayer layer;
db.AddLayer(layer = new DataLayer("DiffuseMap", 32, "X8R8G8B8"));
layer.AddArea(new DataArea(new Rectangle(0, 0, 960, 1200), new RectangleF(0, 0, 1, 1), src));
layer.AddArea(new DataArea(new Rectangle(1000, 50, 501, 501), new RectangleF(0, 0, 1, 1), src2));
tree = layer.BuildQuadTree(512);
DrawDepth();
}
public static TextureMatrixLayer[] RenderDatabaseTree(RasterDatabase.RasterDatabase db, Device device)
{
// setup device
device.RenderState.ZBufferEnable = false;
device.Indices = null;
device.VertexFormat = CustomVertex.TransformedTextured.Format;
//device.Transform.World = Matrix.Identity;
Surface rt0 = device.GetRenderTarget(0);
// setup template quad
CustomVertex.TransformedTextured[] tQuad = new CustomVertex.TransformedTextured[4];
foreach(DataLayer layer in db.Layers)
{
RectangleGroupQuadTree tree = db.ProduceLayerMipMap(layer, 2048);
Texture[][] textures = new Texture[tree.Depth][];
for (int i = 1; i <= tree.Depth; i++)
{
RectangleGroupQuadTree.GroupNode[] nodes;
tree.GetNodes(i, out nodes);
textures[i] = new Texture[nodes.Length];
// render each node to texture
int texIdx = 0;
foreach (RectangleGroupQuadTree.GroupNode node in nodes)
{
Texture texture = textures[i][texIdx++] = new Texture(device, node.NodeArea.Width,
node.NodeArea.Height, 0,
Usage.WriteOnly, Format.X8R8G8B8,
Pool.Managed);
device.SetRenderTarget(0, texture.GetSurfaceLevel(0));
device.Clear(ClearFlags.Target, Color.Black, 1, 0);
device.BeginScene();
// draw each rectangle quad
foreach (DataArea area in node.Rectangles)
{
// setup quad
tQuad[0] = new CustomVertex.TransformedTextured(area.Area.Left, area.Area.Top, 1, 1,
area.TexCoords.Left, area.TexCoords.Top);
tQuad[1] = new CustomVertex.TransformedTextured(area.Area.Right, area.Area.Top, 1, 1,
area.TexCoords.Right, area.TexCoords.Top);
tQuad[2] = new CustomVertex.TransformedTextured(area.Area.Left, area.Area.Bottom, 1, 1,
area.TexCoords.Left, area.TexCoords.Bottom);
tQuad[3] = new CustomVertex.TransformedTextured(area.Area.Right, area.Area.Bottom, 1, 1,
area.TexCoords.Right, area.TexCoords.Bottom);
// render quad
device.SetTexture(0, (Texture)area.Data);
device.DrawUserPrimitives(PrimitiveType.TriangleStrip, 2, tQuad);
}
device.EndScene();
}
}
}
device.SetRenderTarget(0, rt0);
device.RenderState.ZBufferEnable = true;
return null;
}
