Motivation

Method

  • Follow the link to install the add-on to blender

https://github.com/eliemichel/MapsModelsImporter

  • Install the RenderDoc program on windows, to inject process to Chrome to fetch 3d data from it.
  • Create a shortcut to launch chrome with some additional debug flags
  • Run chrome, record the process number, pause.
  • Inject to that number in RenderDoc program
  • Then start chrome and go to google map to your favorite buildings
  • Capture through RenderDoc.
  • Save to rdc files to disk.
  • Load that rdc through Blender! and you have your 3d models!

Post processing

  • Join the patches to a single object.
  • And merge vertices by distance。
  • Process texture and stuff to retain a single kind of material with the color.

See the youtube video for a tutorial.