Re: Flow arrows

Hi Jay,

There are a bunch of examples of flows from polar (i.e.,
speed and direction) flow data in the visad/bom directory.
For example, see the main method in BarbRendererJ3D.java.
You'll see if there are two command line arguments then
it uses polar flow data.

Good luck,
Bill

On Fri, 17 Oct 2003, Jay Parsons wrote:

> Hello All,
>
> I am currently in the initial stages of a surface
> water flow visual application.
>
> I am reading and displaying an ASCII DEM and I am
> displaying the amount of water in each grid cell after
> a precipitation event.
>
> You can see a couple of screen shots here:
>
> http://www.txstate.edu/~jp1120/terrain/WATERFLOW2.JPG
> http://www.txstate.edu/~jp1120/terrain/WATERFLOW3.JPG
>
>
> I want to add flow directional arrows.  I store the
> flow direction for each cell as a directional degree.
> (45,90,135....360)
>
> I took a look at Test28, but I do not see how to build
> the arrows with my data.
>
> any advice is appreciated,
> -Jay
>
>
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