public static Bitmap GenerateCompositeMap(HeightData data, Bitmap baseMap, float heightmapIntensity, float hillshadeIntensity)
{
Bitmap result;
if (baseMap == null)
{
result = new Bitmap(data.GridWidth, data.GridHeight);
var graphics = Graphics.FromImage(result);
graphics.FillRectangle(new SolidBrush(Color.Gray), new Rectangle(0, 0, baseMap.Width, baseMap.Height));
}
else
{
result = baseMap;
}
if (heightmapIntensity > 0)
{
Bitmap hm = new ImageGenerator(data.GetDataGrid(), data.cellSize, ImageType.Heightmap, data.lowPoint, data.highPoint).image;
result = OverlayBlend(result, hm, heightmapIntensity);
}
if (hillshadeIntensity > 0)
{
Bitmap hs = new ImageGenerator(data.GetDataGrid(), data.cellSize, ImageType.Hillshade, data.lowPoint, data.highPoint).image;
result = OverlayBlend(result, hs, hillshadeIntensity);
}
return(result);
}
bool WriteFileImage(HeightData source, string filename, FileFormat ff)
{
float[,] grid = source.GetDataGrid();
IExporter exporter = new ImageGenerator(grid, source.cellSize, ff.GetImageType(), source.lowPoint, source.highPoint);
ExportUtility.WriteFile(exporter, filename, ff);
return(true);
}
