You may also can check this extension:
ReportArea | SketchUp Extension Warehouse
For learning Ruby, Dan have a nice collection here:
Ruby Learning Resources [WikiLists] - Developers / Ruby API - SketchUp Community
You may also can check this extension:
ReportArea | SketchUp Extension Warehouse
For learning Ruby, Dan have a nice collection here:
Ruby Learning Resources [WikiLists] - Developers / Ruby API - SketchUp Community