private void ShowGridLayerImage(string filename)
{
var layer = new GridLayer(filename);
var image = filename = LayerImageGenerator.GenerateTemporaryImageFile(layer, "layer_", _richnessOptions.LowColor, _richnessOptions.HighColor, _richnessOptions.NoValueColor, 0, 255);
SystemUtils.ShellExecute(image);
}
private void ShowGridLayerInMap(GridLayer grid, int intervals, double cutoff, IGridLayerBitmapOptions options, string filename = null)
{
this.InvokeIfRequired(() => {
var prefix = grid.Name;
FileInfo f = new FileInfo(grid.Name);
if (f.Exists)
{
prefix = f.Name.Substring(0, f.Name.LastIndexOf("."));
}
var map = PluginManager.Instance.GetMap();
if (filename == null)
{
filename = LayerImageGenerator.GenerateTemporaryImageFile(grid, prefix, options.LowColor, options.HighColor, options.NoValueColor, cutoff, intervals);
}
else
{
map.RemoveRasterLayer(filename);
LayerImageGenerator.CreateImageFileFromGrid(grid, filename, options.LowColor, options.HighColor, options.NoValueColor, cutoff, intervals);
}
map.Show();
map.AddRasterLayer(filename);
});
}
public static string GenerateTemporaryImageFile(GridLayer layer, string filenamePrefix, Color lowcolor, Color highcolor, Color novaluecolor, double cutoff = 0, int intervals = 256)
{
var filename = TempFileManager.NewTempFilename("bmp", filenamePrefix);
CreateImageFileFromGrid(layer, filename, lowcolor, highcolor, novaluecolor, cutoff, intervals);
var image = LayerImageGenerator.GetImageForLayer(layer, lowcolor, highcolor, novaluecolor, cutoff, intervals);
TempFileManager.Attach(filename + "w");
return(filename);
}
public static void CreateImageFileFromGrid(GridLayer layer, string filename, Color lowcolor, Color highcolor, Color novaluecolor, double cutoff = 0, int intervals = 256)
{
var image = LayerImageGenerator.GetImageForLayer(layer, lowcolor, highcolor, novaluecolor, cutoff, intervals);
BitmapEncoder encoder = new BmpBitmapEncoder();
encoder.Frames.Add(BitmapFrame.Create(image));
if (File.Exists(filename))
{
try {
File.Delete(filename);
} catch (Exception) {
// ignore
}
}
using (FileStream fs = new FileStream(filename, FileMode.Create, FileAccess.Write)) {
encoder.Save(fs);
}
var worldFilename = filename + "w";
CreateWorldFile(layer, worldFilename);
}