/// <summary>
/// Set the stretch type on the first selected image service layer in the first open 2D map.
/// </summary>
/// <param name="stretschType">The stretch type to set on the layer.</param>
/// <param name="statsType">The stretch statistics type to set on the layer. This lets you pick between Dataset, Area of View (to enable DRA) or Custom statistics.</param>
/// <returns></returns>
public static async Task SetStretchTypeAsync(RasterStretchType stretschType, RasterStretchStatsType statsType = RasterStretchStatsType.Dataset)
{
try
{
// Get the first 2D map from the project that is called Map.
Map _map = await GetMapFromProject(Project.Current, "Map");
if (_map == null)
{
ArcGIS.Desktop.Framework.Dialogs.MessageBox.Show("SetStretchType: Failed to get map.");
return;
}
// Get the most recently selected layer of type ImageServiceLayer
ImageServiceLayer imageServiceLayer = MapView.Active.GetSelectedLayers().OfType <ImageServiceLayer>().FirstOrDefault();
if (imageServiceLayer != null)
{
// Set the colorizer on the most recently selected layer.
// The colorizer has to be set on the Main CIM Thread (MCT).
await QueuedTask.Run(() =>
{
// Get the colorizer from the selected layer.
CIMRasterColorizer newColorizer = imageServiceLayer.GetColorizer();
// Set the stretch type and stretch statistics type on the colorizer.
// Theese parameters only apply to the Stretch and RGB colorizers.
if (newColorizer is CIMRasterRGBColorizer)
{
((CIMRasterRGBColorizer)newColorizer).StretchType = stretschType;
((CIMRasterRGBColorizer)newColorizer).StretchStatsType = statsType;
}
else if (newColorizer is CIMRasterStretchColorizer)
{
((CIMRasterStretchColorizer)newColorizer).StretchType = stretschType;
((CIMRasterStretchColorizer)newColorizer).StatsType = statsType;
}
else
{
MessageBox.Show("Selected layer must be visualized using the RGB or Stretch colorizer");
}
// Update the image service with the new colorizer
imageServiceLayer.SetColorizer(newColorizer);
});
}
}
catch (Exception exc)
{
// Catch any exception found and display a message box.
ArcGIS.Desktop.Framework.Dialogs.MessageBox.Show("Exception caught while trying to set stretch type: " + exc.Message);
return;
}
}
/// <summary>
/// Set the resampling type on the first selected image service layer in the first open 2D map.
/// </summary>
/// <param name="resamplingType">The resampling type to set on the layer.</param>
/// <returns></returns>
public static async Task SetResamplingTypeAsync(RasterResamplingType resamplingType)
{
try
{
// Get the first 2D map from the project that is called Map.
Map _map = await GetMapFromProject(Project.Current, "Map");
if (_map == null)
{
ArcGIS.Desktop.Framework.Dialogs.MessageBox.Show("SetResamplingType: Failed to get map.");
return;
}
// Get the most recently selected layer of type ImageServiceLayer
ImageServiceLayer imageServiceLayer = MapView.Active.GetSelectedLayers().OfType <ImageServiceLayer>().FirstOrDefault();
if (imageServiceLayer != null)
{
// Set the colorizer on the most recently selected layer.
// The colorizer has to be get/set on the Main CIM Thread (MCT).
await QueuedTask.Run(() =>
{
// Get the colorizer from the selected layer.
CIMRasterColorizer newColorizer = imageServiceLayer.GetColorizer();
// Set the resampling type on the colorizer.
newColorizer.ResamplingType = resamplingType;
// Update the image service with the new colorizer
imageServiceLayer.SetColorizer(newColorizer);
});
}
}
catch (Exception exc)
{
// Catch any exception found and display a message box.
ArcGIS.Desktop.Framework.Dialogs.MessageBox.Show("Exception caught while trying to set resampling type: " + exc.Message);
}
}
