You could check out the Open DotA Site. It's DotA, but with all object data and triggers, terrain, and everything. Though, it takes a very, very long time to load and edit.
http://zibada.xgm.ru/opendota/
Nearly done with the spell, propaly by the weekends it will be done. But do you still want it?
-Av3n
fixedNot everyone has played DotA, and not everyone has played as every one of the 88 heroes in that map.