Quadtree/octree to Boundary conversion

OpenGL OpenGL: Advanced Coding
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I Can’t get Graphics Gems books, I can just see the topic in http://www.acm.org/pubs/tog/GraphicsGems/gemsii/
now I need the implementation of Quadtree to boundary conversion, becasue I want to draw a terrain using quadtree, and then draw a road on it, I must got the boundary of the terrain, in order to intersect with the road’s boundary,but I don’t know the algorithm well, I hope somebody help me.thanks.

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please

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look at my collision detection method

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DON’T DO IT! HE’S LURING YOU INTO HIS TRAP…FOR HE IS THE HAMSTER OF DEATH!!!

I was going to ask what an octree is exactly but then I caught myself. I think I will search google first. google is my friend and he is HAMSTER OF DEATHS arch enemy .

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Originally posted by WhatEver:
I was going to ask what an octree is exactly but then I caught myself.

tis ah scootish tree laddy.

Hey, that google thing is a good idea. How did you come up with it? Can anyone do that?

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Yes yes! Anyone can use google! Even the girl next door!

Here’s what I found
http://nilo.stolte.free.fr/octree.html

Now I know, and knowing is half the battle…

[This message has been edited by WhatEver (edited 01-30-2003).]