public static BuildingElement MergeBuildingElement(this BuildingElement element1, BuildingElement element2)
{
BuildingElement rtnElement = null;
if (element1.Area() > element2.Area())
{
rtnElement = element2.Copy();
}
else
{
rtnElement = element1.Copy();
}
rtnElement.ExtendedProperties.Remove(rtnElement.ContextProperties());
//Move any properties over which need to be merged between the two elements... Currently only adjacent spaces
BuildingElementContextProperties masterProperties = new BuildingElementContextProperties();
BuildingElementContextProperties mergeToProps = (element1.ContextProperties() as BuildingElementContextProperties);
if (mergeToProps != null)
{
masterProperties.Colour = mergeToProps.Colour;
masterProperties.ConnectedSpaces = new List <string>(mergeToProps.ConnectedSpaces);
masterProperties.IsAir = mergeToProps.IsAir;
masterProperties.IsGround = mergeToProps.IsGround;
masterProperties.Reversed = mergeToProps.Reversed;
}
BuildingElementContextProperties mergeProps = (element2.ContextProperties() as BuildingElementContextProperties);
if (mergeProps == null)
{
mergeProps = new BuildingElementContextProperties(); //Hopefully this will never be needed...
}
if (mergeProps.ConnectedSpaces.Count > 0)
{
if (masterProperties.ConnectedSpaces.Count == 1)
{
masterProperties.ConnectedSpaces.Add(mergeProps.ConnectedSpaces.Where(x => x != "-1").FirstOrDefault());
}
else
{
masterProperties.ConnectedSpaces[masterProperties.ConnectedSpaces.IndexOf("-1")] = mergeProps.ConnectedSpaces.Where(x => x != "-1").FirstOrDefault();
}
}
rtnElement.ExtendedProperties.Add(masterProperties);
return(rtnElement);
}
public static List <BuildingElement> Split(this BuildingElement elementToSplit, List <Line> cuttingLines)
{
if (elementToSplit == null || cuttingLines.Count == 0)
{
return new List <BuildingElement> {
elementToSplit
}
}
;
List <BuildingElement> splitElements = new List <BuildingElement> {
elementToSplit
};
foreach (Line l in cuttingLines)
{
List <BuildingElement> elementsToSplit = new List <BuildingElement>(splitElements);
foreach (BuildingElement be in elementsToSplit)
{
Polyline elementToSplitCrv = be.PanelCurve.ICollapseToPolyline(BH.oM.Geometry.Tolerance.Angle);
List <Point> cuttingPnts = elementToSplitCrv.LineIntersections(l, true);
List <Polyline> cutLines = elementToSplitCrv.SplitAtPoints(cuttingPnts);
if (cutLines.Count == 1)
{
continue;
}
splitElements.Remove(be);
foreach (Polyline pLine in cutLines)
{
if (!pLine.IsLinear())
{
//Only do this for non-straight line cuts
List <Point> ctrlPts = pLine.IControlPoints();
ctrlPts.Add(ctrlPts[0]); //Close the polyline
Polyline completeCrv = BH.Engine.Geometry.Create.Polyline(ctrlPts);
BuildingElement cpy = elementToSplit.Copy();
cpy.PanelCurve = completeCrv;
cpy.CustomData = new Dictionary <string, object>(elementToSplit.CustomData);
splitElements.Add(cpy);
}
}
}
}
return(splitElements);
}
