Re: Roads, streams and textures

[email protected] wrote:

>I need some information about how terragear creates roads, railroads, freeways
>and streams, about how the textures from these are draped over the surface and
>in which functions and files it is done. Can anybody explain me it? Or where
>can I find this information?
>  
>

Roads, railroads, hiways, and rivers are all created the same way.  
Starting with the vmap0 data (which is a series of line segments) 
terragear creates the item as a 2d polygon outline.  These polygon are 
then cut into the terrain surface and textured just like any other 
landuse polygon.  In the future it would be nice to change this up a bit 
so we could apply directional textures, but at the moment, the current 
system can't do that.

Regards,

Curt.

-- 
Curtis Olson        http://www.flightgear.org/~curt
HumanFIRST Program  http://www.humanfirst.umn.edu/
FlightGear Project  http://www.flightgear.org
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