internal async void ApplyRulePackage()
{
await DownloadRulePackage(SelectedRulePackage); //Download the rule package selected.
await QueuedTask.Run(async() =>
{
//Get the build footprint layer's currect renderer.
CIMSimpleRenderer renderer = (CIMSimpleRenderer)Module1.BuildingFootprintLayer.GetRenderer();
//Get the rule package attributes and mapping to Feature layer from the dictionary
var attributeExpressionMapping =
SelectedRulePackage.RpkAttributeExpressionMapping[SelectedRulePackage.Title];
//Create the array of CIMPrimitiveOverrides. This is where the field\attribute mapping for the rulepackage is done.
var primitiveOverrides = attributeExpressionMapping.Select(kvp => new CIMPrimitiveOverride
{
PrimitiveName = SelectedRulePackage.Title,
PropertyName = kvp.Key,
Expression = kvp.Value
}).ToArray();
//Full path of the rule package path
var rulePkgPath = Path.Combine(_rulePkgPath, SelectedRulePackage.Name);
//Creating a procedural symbol using the rulepaackage
var symbolReference = SymbolFactory.ConstructProceduralSymbol(rulePkgPath,
Module1.BuildingFootprintLayer, primitiveOverrides);
//CIMPolygonSymbol needed to create a style item.
CIMPolygonSymbol polygonSymbol = symbolReference.Symbol as CIMPolygonSymbol;
//Set symbol's real world setting to be the same as that of the feature layer
polygonSymbol.SetRealWorldUnits(Module1.BuildingFootprintLayer.UsesRealWorldSymbolSizes);
//Set the current renderer to the new procedural symbol's CIMSymbolReference
renderer.Symbol = polygonSymbol.MakeSymbolReference();
//Set the Building footprint layer's render.
Module1.BuildingFootprintLayer.SetRenderer(renderer);
//Create a style project item.
await CreateStyleItem();
if (BuildingStyleProjectItem != null && !BuildingStyleProjectItem.IsReadOnly())
{
await AddStyleItemToStyle(BuildingStyleProjectItem, polygonSymbol); //Building footprint's procedural symbol is added to the BuildingStyle
}
});
}
