Connect
| Connect (URL, UserName, Password) | 
Connects TerraBuilder to a SkylineGlobe Server.
Parameters
| Name | Type | Description | 
| URL | string | The URL of the SkylineGlobe Server to connect to. | 
| UserName | string | User name by which to connect to the SkylineGlobe Server. | 
| Password | string | Password by which to connect to the SkylineGlobe Server. |