[gradsusr] Shapefile

Jennifer Adams jma at cola.iges.org
Tue Mar 15 06:55:31 EDT 2011

Have a look at ftp://iges.org/grads/scripts/shp_demo1.gs

What you need to do is use the 'q dbf' output to loop over each shape  
in your file, decide on the fill color to use based on the data base  
value for that shape, then draw it individually. It's a little slow,  
but effective.

On Mar 15, 2011, at 12:44 AM, Metris Limited Forecaster wrote:

> Good evening fellow users of Grads
> I have a shapefile set with topography data , and 5 or so contour  
> levels
> I was wanting the methodology for drawing the shapefile in Grads as  
> various grey shaded topography
> as a map background essentially.
> I was wanting clarification on how to use the set shpopts and how to  
> set the ccols for the various levels.
> Howard Staines
> Forecaster Metris Limited
> websited - www.metris.co.nz  - phone 06 8441042 - fax 06 8441046
> _______________________________________________
> gradsusr mailing list
> gradsusr at gradsusr.org
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Jennifer M. Adams
4041 Powder Mill Road, Suite 302
Calverton, MD 20705
jma at cola.iges.org

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