Re: [Flightgear-devel] If everybody had an ocean...

[Curtis L. O. <cu...@fl...>]

Karl-Heinz Zimmer writes:
> On Tuesday 28 August 2001 11:32 pm, Norman Vine wrote:
> > David Megginson writes:
> ..
> > > Since roads are much longer than runways, they'll have to be segmented
> > > fairly frequently, especially for US scenery using the DEM-3 data.
> > > Even a 1km segment of straight road might go up and down a couple of
> > > hills, and some segments can be 10 or 20km or more.  Knowing something
> > > about the underlying DEM might help
> 
> > I guess I am assuming that we already have the dem triangulated
> > then the 'interesting points' < places we want nodes in the road >
> > are the intersections of the road polygon and the edges of the
> > triangulation.  We already do something similar for rivers
>                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> 
> So does that mean there *is* special code for rivers in FlightGear?
> 
> I thought I was going to implement them on a 'just paint them in the
> scenery' basis by following the detailed advice I got in the
> yesterday postings...
> 
> But if there is special code for rivers perhaps this idea is not perfect
> and I should rather try to enhance the rivers in another way?
> 
> Or am I getting thinks the wrong way around?
> 
> Ciao,
> 
> Karl-Heinz
> 
> PS: In case you wonder _why_ I am asking in such a complicated way: The
>     tasks described to add rivers and lakes to the scenery data made to
>     me the impression of being quite time consuming, so I would like to
>     be sure it is the right thing that I am going to do *before* I start. :)

Can I ask what you are trying to accomplish in the end?  As long as
you have the polygon outlines of your river, it is pretty trivial to
add into the flightgear scenery.

Regards,

Curt.
-- 
Curtis Olson   Human Factors Research Lab       FlightGear Project
Twin Cities    cu...@hf...                cu...@fl...
Minnesota      http://www.menet.umn.edu/~curt   http://www.flightgear.org