public void SetCurrentLayer(string layer)
{
Rhino.DocObjects.Tables.LayerTable layers = RhinoDoc.ActiveDoc.Layers;
int layerIndex = layers.Find(layer, true);
layers.SetCurrentLayerIndex(layerIndex, true);
}
/// <summary>
/// Creates layers in the current Rhino Document, by using the layer data contained within each
/// Parasite Object
/// </summary>
/// <param name="parasiteObjects"></param>
/// <param name="doc"></param>
/// <returns></returns>
public static List <ObjectAttributes> CreateLayers(List <ParasiteObject> parasiteObjects, Rhino.RhinoDoc doc)
{
List <ObjectAttributes> objectAttributes = new List <ObjectAttributes>();
for (int i = 0; i < parasiteObjects.Count; i++)
{
//Make new attribute to set name
ObjectAttributes att = new ObjectAttributes();
string parentLayerName = null;
string childLayerName = null;
if (parasiteObjects[i].GetParameter(ParameterType.Layer.ToString(), out Parameter value))
{
parentLayerName = value.GetValue();
AssertLayerNameValidity(parentLayerName);
}
if (parasiteObjects[i].GetParameter(ParameterType.ChildLayer.ToString(), out Parameter val))
{
childLayerName = val.GetValue();
AssertLayerNameValidity(childLayerName);
}
if (childLayerName == null)
{
throw new ParasiteArgumentException($"Could not retrieve Parameter of type {ParameterType.Layer} ");
}
if (parentLayerName == null)
{
throw new ParasiteArgumentException($"Could not retrieve Parameter of type {ParameterType.Layer} ");
}
//Set layer
if (!string.IsNullOrEmpty(parentLayerName) && Rhino.DocObjects.Layer.IsValidName(parentLayerName))
{
//Get the current layer index
Rhino.DocObjects.Tables.LayerTable layerTable = doc.Layers;
int parentLayerIndex = layerTable.Find(parentLayerName, true);
if (parentLayerIndex < 0) //This layer does not exist, we add it
{
Layer onlayer = new Layer
{
Name = parentLayerName,
Color = System.Drawing.Color.FromArgb(ran.Next(0, 255), ran.Next(0, 255), ran.Next(0, 255))
}; //Make a new layer
parentLayerIndex = layerTable.Add(onlayer); //Add the layer to the layer table
if (parentLayerIndex > -1) //We manged to add layer!
{
att.LayerIndex = parentLayerIndex;
att.LayerIndex = LayerFactory.AddChildLayer(parentLayerName, parentLayerIndex, childLayerName, doc);
}
else
{
throw new ParasiteArgumentException(string.Format("Unable to add {0} layer.", parentLayerName));
}
}
// Layer already exists
else
{
att.LayerIndex = parentLayerIndex;
att.LayerIndex = AddChildLayer(parentLayerName, parentLayerIndex, childLayerName, doc);
}
}
Layer childLayer = doc.Layers[att.LayerIndex];
if (childLayer.Name == "Default")
{
throw new ParasiteArgumentException("Child Layer was set to default!");
}
objectAttributes.Add(att);
}
return(objectAttributes);
}