Intersecting shapes in one floor shape

LR — Thu, 16 Oct 2014 14:21:05 GMT

Hi.

I have two buildings that are intersecting each other, but one floor shape. I "solved" this by first convexifying, then extruding the two main shapes, then extruding the side facade of the smaller shape and then giving the structures roofs. However this does not seem very elegant. Can it be done in another way?

The problem is basically that the smallest part is occupied by both buildings and the geometry of them should remain simple to build a roof easily. The current roof works, but a more complex one would be problematic. Could I at least merge the green and pink parts? I tried innerRect but this obviously only works for one of the buildings. "Filling up" the leftover shape's missing corner also doesn't work.

cga:

version "2014.0"

attr maxLength = scope.sx

Lot -->
  convexify(maxLength)
  //comp(f){all:randomcolor}
  comp(f){
  0: green |
  1:red |
  2:blue
  }

randomcolor --> color(rand,rand,rand)

green --> color("#00ff00")
  extrude(10)
  comp(f){
  4:ExtrudeMe |
  top: Roof |
  side: Undefined
  }

blue --> color("#0000FF")
  extrude(10)
  comp(f){
  top: Roof |
  side: Undefined
  }


ExtrudeMe -->
  color(1,0,1)
  extrude(3.7420570850372314) //scope.sx from dark green part
  comp(f){
  4:RoofPink |
  top: Undefined |
  side: Undefined
  }

Roof -->
  roofGable(30,0,0,false)

RoofPink -->
  roofGable(30,0,0,false,90)
  print ("hello")

Screenshots for clarity:

pink: side-extrusion of the green building

Re: Intersecting shapes in one floor shape

Anonymous User — Thu, 16 Oct 2014 20:01:52 GMT

I've got no idea... Buehler!

But thanks for sharing this, since it illuminates the convexify CGA operation.

topic Re: Intersecting shapes in one floor shape in ArcGIS CityEngine Questions

Intersecting shapes in one floor shape

Re: Intersecting shapes in one floor shape