private static async Task ModifyLayerSymbologyFromLyrFileAsync(FeatureLayer featureLayer, string layerFile)
{
await QueuedTask.Run(() => {
//Does layer file exist
if (!System.IO.File.Exists(layerFile))
{
return;
}
//Get the Layer Document from the lyrx file
var lyrDocFromLyrxFile = new LayerDocument(layerFile);
var cimLyrDoc = lyrDocFromLyrxFile.GetCIMLayerDocument();
//Get the renderer from the layer file
var rendererFromLayerFile = ((CIMFeatureLayer)cimLyrDoc.LayerDefinitions[0]).Renderer as CIMSimpleRenderer;
if (rendererFromLayerFile == null)
{
return;
}
//Apply the renderer to the feature layer
featureLayer?.SetRenderer(rendererFromLayerFile);
});
}
protected async override void OnClick()
{
//Get the Hydrology layer from the TOC
var hydrologyLyr = MapView.Active.Map.GetLayersAsFlattenedList().OfType <FeatureLayer>().FirstOrDefault(f => f.Name == "Hydrology");
if (hydrologyLyr == null)
{
MessageBox.Show("This renderer works with the Hydrology feature layer available with the ArcGIS Pro SDK Sample data", "Data missing");
return;
}
await QueuedTask.Run(() => {
//Get the Layer Document from the hydrology layer
var lyrDocFromFeatureLayer = new LayerDocument(hydrologyLyr);
//Get the CIM Document
var cimLyrDefn = lyrDocFromFeatureLayer.GetCIMLayerDocument();
var layerDefns = cimLyrDefn.LayerDefinitions;
var oneLyrDef = cimLyrDefn.LayerDefinitions[0] as CIMFeatureLayer;
//Create a list of Display Filters
var arrayDisplayFilters = new List <CIMDisplayFilter>()
{
new CIMDisplayFilter {
Name = "StreamOrder > 6", WhereClause = "StreamOrder > 6", MinScale = 0, MaxScale = 50000000
},
new CIMDisplayFilter {
Name = "StreamOrder > 5", WhereClause = "StreamOrder > 5", MinScale = 50000000, MaxScale = 20000000
},
new CIMDisplayFilter {
Name = "StreamOrder > 4", WhereClause = "StreamOrder > 4", MinScale = 20000000, MaxScale = 5000000
},
new CIMDisplayFilter {
Name = "StreamOrder > 3", WhereClause = "StreamOrder > 3", MinScale = 5000000, MaxScale = 1000000
},
new CIMDisplayFilter {
Name = "StreamOrder > 2", WhereClause = "StreamOrder > 2", MinScale = 1000000, MaxScale = 100000
},
new CIMDisplayFilter {
Name = "StreamOrder > 1", WhereClause = "StreamOrder > 1", MinScale = 100000, MaxScale = 24000
},
};
//Add the Display Filters to the CIM Layer Doc
((CIMFeatureLayer)cimLyrDefn.LayerDefinitions[0]).DisplayFilters = arrayDisplayFilters.ToArray();
//Enable the Display filters.
((CIMFeatureLayer)cimLyrDefn.LayerDefinitions[0]).EnableDisplayFilters = true;
//Add a new layer to the map using the configured LayerDocument in memory.
var featureLayerParams = new LayerCreationParams(cimLyrDefn);
featureLayerParams.MapMemberPosition = MapMemberPosition.AddToTop;
var configuredLyr = LayerFactory.Instance.CreateLayer <FeatureLayer>(featureLayerParams, MapView.Active.Map);
#region Turn off the original layer visibility
hydrologyLyr.SetVisibility(false);
hydrologyLyr.SetExpanded(false);
hydrologyLyr?.SetLabelVisibility(false);
#endregion
});
}
public static T GetRenderer <T>([NotNull] LayerDocument template) where T : CIMRenderer
{
CIMLayerDocument layerDocument = template.GetCIMLayerDocument();
// todo daro: implement more robust
CIMDefinition definition = layerDocument.LayerDefinitions[0];
return(((CIMFeatureLayer)definition)?.Renderer as T);
}
private static void RepairWithLayerFile(Map map, Layer layer, string newLayerFile, bool keepBrokenLayer)
{
// Create Layer from *.lyrx file: https://github.com/esri/arcgis-pro-sdk/wiki/ProSnippets-MapAuthoring#create-layer-from-a-lyrx-file
// Pro Addin SDK can only open *.lyrx, not *.lyr:
// Assume Data Manager manually created a shadow *.lyrx file for the *.lyr file in the moves database
// TODO: If *.lyrx file does not exist, create *.lyrx from *.lyr file; must be done with an external python process
if (newLayerFile.EndsWith(".lyr", StringComparison.OrdinalIgnoreCase))
{
newLayerFile += "x";
}
Layer newLayer = null;
try
{
var layerDocument = new LayerDocument(newLayerFile);
var layerParameters = new LayerCreationParams(layerDocument.GetCIMLayerDocument());
newLayer = LayerFactory.Instance.CreateLayer <Layer>(layerParameters, map, LayerPosition.AutoArrange);
}
catch (Exception) {}
if (newLayer != null)
{
if (!keepBrokenLayer)
{
map.RemoveLayer(layer);
}
}
else
{
// Notify the user that the LayerFile could not be opened (missing, corrupt, ...)
var title = @"Map Fixer Error";
var msg = $"The layer file '{newLayerFile}' could not be opened.";
MessageBox.Show(msg, title, System.Windows.MessageBoxButton.OK,
System.Windows.MessageBoxImage.Error);
}
}