reporting_01.cga

/**
 * File:    reporting_01.cga
 * Created: 15 Nov 2011 15:44:12 GMT
 * Author:  andi
 */


version "2012.1"  


# ---------------------------------------
# Attributes
# ---------------------------------------


@Group("City Attributes",0)
attr greenspacePercentage = 30
	

@Group("Building attributes",1)
attr nFloor = ceil(rand(1,15)  *buildingHeightFactor)

@Group("Building attributes")
attr floorHeight = rand(4,5)

@Hidden
attr distanceStreet = 
	20% : 0
	else : rand(3,6)

@Hidden
attr distanceBuildings = 
	50% : 0
	else : rand(4,8)

@Group("Mapped",99)
attr buildingHeightFactor = 1





# ---------------------------------------
# Start with the lot
# ---------------------------------------

@StartRule
Lot --> 
	case p(greenspacePercentage/100):
		report("Area.Greenspace",geometry.area)
		GreenSpace
	else:
		report("Area.BuildUp",geometry.area)
		BuildingLot

LotInner --> Lot
LotCorner --> Lot



# ---------------------------------------
# Building
# ---------------------------------------

BuildingLot -->
	setback(distanceStreet)
		{ streetSide: OpenSpace 
		| remainder: Parcel }


Parcel -->
	setback(distanceBuildings/2)
		{ noStreetSide: OpenSpace 
		| remainder: Footprint }	

Footprint --> extrude(floorHeight*nFloor) Mass.

GreenSpace --> color("#22aa22") GreenSpace.
		
OpenSpace --> color("#777777") OpenSpace.