[OSM-newbies] Rendering maps in Silverlight

[Philip Fitzsimons]

I'm new (first post) and had a question about the OSM format.

I've started writing a renderer in Silverlight to draw maps direct from the OSM data
(http://blog.figmentengine.com/search/label/OpenStreetMap)

Where is the best place to look for information about what the "correct" rendering logic (for example how different type of area
should be layered (z-index) or general rules about colours, and widths of various road types and rivers?)

Thanks in advance!