building 3d terrain editor Your Ideas welcome

I have been programming in blitz3d for serveral months now yet projects are hard to complete when you have little model or texture resources available so i wish to help on one part of this subject

Landscape editor
Map editor

please post any features you think it should include and ideas of how to improve code as it developes

ideas to implement

1. Binary Maps
2. Binary Map tileable
3. 3d map editor scaleable
4. 3d tileset Generator
5. Textureset Designer
6. texturemap Designer
7. methods of export .dat .b3d