Hpl Model Editor.. How?

[Darkfire]

I see that you solved your problem... but if you need to see the whole map at once, you can adjust the height to like 50 and look down. This helped me a lot when I was making a mountain map. However, you'll be able to place/manipulate only big, I mean BIG objects.

PS. If you'll be making some outdoor map (did I get that right?) you can use models like dirt pile and scale them to make a mountain, a not-flat ground etc.