public override object GetValue(NodePort port)
{
var graph = (Terra2DGraph)this.graph;
if (graph.isComputing)
{
try
{
ValueMap input = GetInputValue("input", this.input);
output = input.DetectEdges(threshold);
return(output);
}
catch (System.Exception e)
{
graph.isComputing = false;
throw e;
}
}
return(null);
}