/// <summary>
/// Renders a feature layer using an unclassed color gradient.
/// 
/// </summary>
/// <returns>
/// </returns>
internal static Task UnclassedRenderer()
{
//Check feature layer name
//Code works with the USDemographics feature layer available with the ArcGIS Pro SDK Sample data
var featureLayer = MapView.Active.Map.GetLayersAsFlattenedList().OfType <FeatureLayer>().FirstOrDefault(f => f.Name == "U.S. National Transportation Atlas Interstate Highways");
if (featureLayer == null)
{
MessageBox.Show("This renderer works with the U.S. National Transportation Atlas Interstate Highways feature layer available with the ArcGIS Pro SDK Sample data", "Data missing");
return(Task.FromResult(0));
}
return(QueuedTask.Run(() =>
{
//Gets the first numeric field of the feature layer
var firstNumericFieldOfFeatureLayer = SDKHelpers.GetNumericField(featureLayer);
//Gets the min and max value of the field
var labels = SDKHelpers.GetFieldMinMax(featureLayer, firstNumericFieldOfFeatureLayer);
UnclassedColorsRendererDefinition ucDef = new UnclassedColorsRendererDefinition()
{
Field = firstNumericFieldOfFeatureLayer,
ColorRamp = SDKHelpers.GetColorRamp(),
LowerColorStop = Convert.ToDouble(labels.Item1),
UpperColorStop = Convert.ToDouble(labels.Item2),
UpperLabel = labels.Item2,
LowerLabel = labels.Item1,
};
CIMClassBreaksRenderer renderer = (CIMClassBreaksRenderer)featureLayer.CreateRenderer(ucDef);
featureLayer?.SetRenderer(renderer);
}));
}
/// <summary>
/// Renders a feature layer using an unclassed color gradient.
/// 
/// </summary>
/// <param name="featureLayer"></param>
/// <returns>
/// </returns>
internal static Task UnclassedRenderer(FeatureLayer featureLayer)
{
return(QueuedTask.Run(() =>
{
//Gets the first numeric field of the feature layer
var firstNumericFieldOfFeatureLayer = SDKHelpers.GetNumericField(featureLayer);
//Gets the min and max value of the field
var labels = SDKHelpers.GetFieldMinMax(featureLayer, firstNumericFieldOfFeatureLayer);
UnclassedColorsRendererDefinition ucDef = new UnclassedColorsRendererDefinition()
{
Field = firstNumericFieldOfFeatureLayer,
ColorRamp = SDKHelpers.GetColorRamp(),
LowerColorStop = Convert.ToDouble(labels.Item1),
UpperColorStop = Convert.ToDouble(labels.Item2),
UpperLabel = labels.Item2,
LowerLabel = labels.Item1,
};
CIMClassBreaksRenderer renderer = (CIMClassBreaksRenderer)featureLayer.CreateRenderer(ucDef);
featureLayer?.SetRenderer(renderer);
}));
}
