private void Window_Loaded(object sender, RoutedEventArgs e)
{
renderingMap.FileTileServer = new AutoDisposableFileServer();
plotter.BeginLongOperation();
Task task = Task.Run(() =>
{
var dataSource = ReliefReader.ReadDataSource();
Dispatcher.BeginInvoke((Action)(() =>
{
plotter.EndLongOperation();
}), DispatcherPriority.Send);
tileServer.Dispatcher.BeginInvoke((Action)(() =>
{
tileServer.ContentBounds = new DataRect(-180, -90, 360, 180);
}), DispatcherPriority.Send);
tileServer.ChildCreateHandler = () =>
{
FastIsolineDisplay isoline = new FastIsolineDisplay {
WayBeforeTextMultiplier = 100, LabelStringFormat = "F0"
};
Viewport2D.SetContentBounds(isoline, new DataRect(-180, -90, 360, 180));
isoline.DataSource = dataSource;
return(isoline);
};
});
}
private void plotter_Loaded(object sender, RoutedEventArgs e)
{
plotter.BeginLongOperation();
var task = Task.Run(() =>
{
var dataSource = ReliefReader.ReadDataSource();
Dispatcher.BeginInvoke(() =>
{
plotter.EndLongOperation();
DataContext = dataSource;
}, DispatcherPriority.Send);
});
}
public static WarpedDataSource2D <double> ReadDataSource()
{
short min, max;
double latMin = -90;
double latMax = 90;
double lonMin = -180;
double lonMax = 180;
int width = 512;
int height = 512;
short[,] elev = ReliefReader.ReadElevationMap(latMin, latMax, (int)width,
lonMin, lonMax, (int)height, out min, out max);
double[,] data = new double[width, height];
for (int ix = 0; ix < width; ix++)
{
for (int iy = 0; iy < height; iy++)
{
data[ix, iy] = elev[ix, iy];
}
}
Point[,] grid = new Point[width, height];
double xStep = (lonMax - lonMin) / width;
double yStep = (latMax - latMin) / height;
for (int ix = 0; ix < width; ix++)
{
for (int iy = 0; iy < height; iy++)
{
grid[iy, ix] = new Point(lonMin + xStep * ix, latMin + yStep * (height - iy - 1));
}
}
WarpedDataSource2D <double> dataSource = new WarpedDataSource2D <double>(data, grid);
return(dataSource);
}
protected override BitmapSource RenderFrame(DataRect dataRect, Rect output)
{
double left = 0;
double lonMin = dataRect.XMin;
double scale = output.Width / dataRect.Width;
if (lonMin < -180)
{
left = (-180 - dataRect.XMin) * scale;
lonMin = -180;
}
double width = output.Width - left;
double lonMax = dataRect.XMax;
if (lonMax > 180)
{
width -= (dataRect.XMax - 180) * scale;
lonMax = 180;
}
if (lonMin == lonMax)
{
return(null);
}
scale = output.Height / dataRect.Height;
double top = 0;
double latMax = dataRect.YMax;
if (latMax > 90)
{
top = (dataRect.YMax - 90) * scale;
latMax = 90;
}
double height = output.Height - top;
double latMin = dataRect.YMin;
if (latMin < -90)
{
height -= (-90 - dataRect.YMin) * scale;
latMin = -90;
}
short min, max;
short[,] elev = ReliefReader.ReadElevationMap(latMin, latMax, (int)height,
lonMin, lonMax, (int)width, out min, out max);
int pixelWidth = (int)output.Width;
int pixelHeight = (int)output.Height;
UInt32[] pixels = new UInt32[pixelWidth * pixelHeight];
int i0 = (int)left;
int j0 = (int)top;
for (int i = 0; i < (int)width; i++)
{
for (int j = 0; j < (int)height; j++)
{
Color color = ReliefPalette.GetColor(elev[j, i]);
pixels[i + i0 + (j + j0) * pixelWidth] = 0x7F << 24 |
(((uint)color.R) << 16) |
(((uint)color.G) << 8) |
color.B;
}
}
var result = BitmapFrame.Create(pixelWidth, pixelHeight, 96, 96, PixelFormats.Bgra32, null, pixels, 4 * pixelWidth);
return(result);
/* Grid grid = new Grid();
* grid.RowDefinitions.Add(new RowDefinition { Height = new GridLength(1, GridUnitType.Star) });
* grid.RowDefinitions.Add(new RowDefinition { Height = new GridLength(1, GridUnitType.Star) });
* TextBlock lt = new TextBlock
* {
* VerticalAlignment = VerticalAlignment.Top,
* HorizontalAlignment = HorizontalAlignment.Left,
* Text = String.Format("({0},{1})", lonMin, latMax)
* };
* grid.Children.Add(lt);
* Grid.SetRow(lt, 0);
* TextBlock rb = new TextBlock
* {
* VerticalAlignment = VerticalAlignment.Bottom,
* HorizontalAlignment = HorizontalAlignment.Right,
* Text = String.Format("({0},{1})", lonMax, latMin)
* };
* grid.Children.Add(rb);
* Grid.SetRow(rb, 1);
* Border border = new Border();
* border.BorderThickness = new Thickness(3);
* border.BorderBrush = Brushes.Blue;
* border.Child = grid;
*
* Canvas canvas = new Canvas();
* canvas.Children.Add(border);
* Canvas.SetLeft(border, left);
* border.Width = width;
* Canvas.SetTop(border, top);
* border.Height = height;
*
* RenderTargetBitmap rtb = new RenderTargetBitmap((int)output.Width, (int)output.Height, 96, 96, PixelFormats.Default);
* canvas.Measure(new Size(output.Width, output.Height));
* canvas.Arrange(output);
* rtb.Render(canvas);
*
* Thread.Sleep(1000);
*
* return rtb;*/
}
