terrain help?

Blitz3D Forums/Blitz3D Programming/terrain help?

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in the help for ModifyTerrain() it says Height# should be in the range 0-1.
how can i set the height in 3d space? i need it to range from -1000 to 1000 at least, surely terrains arent limited to 0-1 in 3d space? atm i'm using this:
[CODE]
for counter = 0 to 128
ModifyTerrain(terrainentitys(section), counter, z, y#)
counter = counter - 1
Wend
[/CODE]
z is the current z (or y) position on the terrain, y# is the height i want the points to be at.
it seems to do nothing atm.