/// <summary>
/// This should launch a frmRasterSymbolizer
/// </summary>
/// <param name="context">System.ComponentModel.ITypeDescriptorContext context</param>
/// <param name="provider">IServiceProvider provider</param>
/// <param name="value">object value</param>
/// <returns>A new RasterSymbolizer</returns>
public override object EditValue(System.ComponentModel.ITypeDescriptorContext context, IServiceProvider provider, object value)
{
IRasterSymbolizer rs = value as IRasterSymbolizer;
if (rs == null)
{
rs = new RasterSymbolizer();
}
IWindowsFormsEditorService dialogProvider = (IWindowsFormsEditorService)provider.GetService(typeof(IWindowsFormsEditorService));
IRasterLayer parent = rs.ParentLayer;
RasterLayerDialog frm = new RasterLayerDialog(parent);
dialogProvider.ShowDialog(frm);
return parent.Symbolizer;
}
/// <summary>
/// Creates a new instance of a Raster layer, and will create a "FallLeaves" image based on the
/// raster values.
/// </summary>
/// <param name="raster">The raster to use</param>
public MapRasterLayer(IRaster raster):base(raster)
{
string imageFile = Path.ChangeExtension(raster.Filename, ".bmp");
if (File.Exists(imageFile)) File.Delete(imageFile);
IRasterSymbolizer rs = new RasterSymbolizer();
rs.Raster = raster;
rs.Scheme.ApplyScheme(ColorSchemes.FallLeaves, raster);
Bitmap bmp = new Bitmap(raster.NumColumns, raster.NumRows);
bmp.Save(imageFile);
raster.PaintColorSchemeToBitmap(rs, bmp, raster.ProgressHandler);
bmp.Save(imageFile);
bmp.Dispose();
ImageData id = new ImageData(imageFile);
id.Bounds.AffineCoefficients = raster.Bounds.AffineCoefficients;
id.WorldFile.Affine = raster.Bounds.AffineCoefficients;
Configure(id, raster);
}