protected override async void OnClick()
{
var usStatesLayer =
MapView.Active.Map.GetLayersAsFlattenedList().FirstOrDefault((fl) => fl.Name == "States") as
FeatureLayer;
if (usStatesLayer == null)
{
MessageBox.Show("Please add the US States layer to the TOC", "Cannot find US States");
return;
}
await QueuedTask.Run(() => {
if (_layerCimRenderer == null)
{
_layerCimRenderer = CreateniqueValueRendererForUSStatesUsingDefinition(usStatesLayer);
}
//For examination in the debugger...
var renderer = usStatesLayer.GetRenderer();
string xmlDef = renderer.ToXml();
string xmlDef2 = _layerCimRenderer.ToXml();
usStatesLayer.SetRenderer(_layerCimRenderer);
});
}
public void btnChangeLineSymbology(object sender, EventArgs e)
{
var lineSymbology = ((RadioButton)sender).Tag;
QueuedTask.Run(() =>
{
//Get the active map's definition - CIMMap.
if (lineSymbology.ToString() == "None")
{
var cimMap = MapView.Active.Map.GetDefinition();
//FeatureLayer a = MapView.Active.Map.Layers[1] as FeatureLayer;
var lyr = MapView.Active.Map.GetLayersAsFlattenedList().OfType <FeatureLayer>().FirstOrDefault(s => s.ShapeType == esriGeometryType.esriGeometryPolyline);
SimpleRendererDefinition renderer = new SimpleRendererDefinition()
{
SymbolTemplate = new CIMSymbolReference()
{
Symbol = SymbolFactory.Instance.ConstructLineSymbol(
ColorFactory.Instance.WhiteRGB, 0.5, SimpleLineStyle.Null)
}
};
var r = lyr.CreateRenderer(renderer);
lyr.SetRenderer(r);
}
if (lineSymbology.ToString() == "Gray")
{
var cimMap = MapView.Active.Map.GetDefinition();
//FeatureLayer a = MapView.Active.Map.Layers[1] as FeatureLayer;
var lyr = MapView.Active.Map.GetLayersAsFlattenedList().OfType <FeatureLayer>().FirstOrDefault(s => s.ShapeType == esriGeometryType.esriGeometryPolyline);
SimpleRendererDefinition renderer = new SimpleRendererDefinition()
{
SymbolTemplate = new CIMSymbolReference()
{
Symbol = SymbolFactory.Instance.ConstructLineSymbol(
ColorFactory.Instance.GreyRGB, 0.5, SimpleLineStyle.Solid)
}
};
var r = lyr.CreateRenderer(renderer);
lyr.SetRenderer(r);
}
if (lineSymbology.ToString() == "Multicolor")
{
var cimMap = MapView.Active.Map.GetDefinition();
//FeatureLayer a = MapView.Active.Map.Layers[1] as FeatureLayer;
var lyr = MapView.Active.Map.GetLayersAsFlattenedList().OfType <FeatureLayer>().FirstOrDefault(s => s.ShapeType == esriGeometryType.esriGeometryPolyline);
CIMUniqueValueRenderer renderer = lyr.GetRenderer() as CIMUniqueValueRenderer;
// color ramp
CIMICCColorSpace colorSpace = new CIMICCColorSpace()
{
URL = "Default RGB"
};
CIMRandomHSVColorRamp randomHSVColorRamp = new CIMRandomHSVColorRamp()
{
ColorSpace = colorSpace,
MinAlpha = 100,
MaxAlpha = 100,
MinH = 0,
MaxH = 360,
MinS = 15,
MaxS = 30,
MinV = 99,
MaxV = 100,
Seed = 0,
};
UniqueValueRendererDefinition uvr = new UniqueValueRendererDefinition()
{
ValueFields = new string[] { "OBJECTID" }, //multiple fields in the array if needed.
ColorRamp = randomHSVColorRamp //Specify color ramp
};
CIMRenderer r = lyr.CreateRenderer(uvr);
var t = r.ToXml();
Debug.WriteLine(t);
lyr.SetRenderer(r);
}
});
}
