Is it able to merge several SketchUp models to a new 3D drawing, without GUI?

for example,

  1. I got some building models from 3D Warehouse
  2. I want to put them together and setup an virtual city
  • I know coordinates of each building
  • I know size of each building
  • I can provide the file or URL of building models
  1. then I want to have an easier way to build my city rather than a big desktop app
  2. shall I,
  • fill in data needed in a light-weighted app (maybe a web form)
  • build the city using my filled-in data by using some APIs provided by SketchUp
  • save and export the new SketchUp file of the city