Coordinate System Dialogs
The Coordinate System Dialog lets you choose a Coordinate System for the scene and for imported data.
Choosing a coordinate system
The coordinate system chooser dialog is used both to
- Select a Scene Coordinate System and
- (if required) select a coordinate system for georeferenced data
Make sure to check the window title if you are unsure what the selected coordinate system is used for.
When this dialog appears during the first import of georeferenced data, the previously selected coordinate system for data import is suggested.
If you do not need a georeferenced coordinate system, the option is normally a good choice.
The Scene Coordinate System can only be a projected coordinate system, hence the geographic coordinate systems are not available in this dialog.
Usually you will see a coordinate system suggested (normally the Scene Coordinate System) when this dialog appears, whch normally is a good choice.
Using the search field
Use the search expression field to filter the list of coordinate systems and search for a coordinate system by name or authority code. Use the wildcard character * to define your search query. To reset the search filter and show all available coordinate systems again, clear the search field and hit(or the search button on the right)
This feature also allows you to define your own custom coordinate system by creating your own .prj file with the desired parameters.
Custom Coordinate Systems
If a projection definition is found that can't be matched to one of the predefined coordinate systems, CityEngine adds it as a new custom coordinate system. These have their authority set to USER, and an incremental number for authority code.
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