Re: [udig-devel] style using 2 layers

["Dan Putler" <putler@xxxxxxxxxxxxx>]

Hi Jesse,

How? The way I typically do things like this (which I do a lot) is  
read the DBFs of the shape set into R, and manipulate them there.

Dan

On 5-Jan-07, at 1:06 PM, Jesse Eichar wrote:

> Thanks Dan.  That's a fair solution.  One could create an uDig  
> operation quite easily that could perform that job.
>
> Jesse
>
> On 5-Jan-07, at 1:00 PM, Dan Putler wrote:
>
> > Hi Dale,
> >
> > I assume that the universities layer is a point layer of  
> > university locations? Are the layers shapefiles?
> >
> > The way I would do this (assuming you are working with shapefiles)  
> > is to calculate the number of universities in each state, and then  
> > append this as a new attribute to the your USA states attribute  
> > table. It isn't a uDig based solution, but the typical way of  
> > dealing with this type of problem.
> >
> > Dan
> >
> > On 5-Jan-07, at 12:53 PM, Dale Slone wrote:
> >
> > > Hi
> > >
> > > Not sure if this is the right list for what's really a user  
> > > question...
> > >
> > > Is there a way to color one layer based on values in a second  
> > > layer, using
> > > the Style->Theme or Style->XML options?
> > >
> > > For example, layer 1 is USA states, and layer 2 is universities -  
> > > I'd like
> > > to color the states based on universities/per area or
> > > universities/per population.
> > >
> > > Thanx
> > >
> > > Dale
> > > _______________________________________________
> > > User-friendly Desktop Internet GIS (uDig)
> > > http://udig.refractions.net
> > > http://lists.refractions.net/mailman/listinfo/udig-devel
> >
> > _______________________________________________
> > User-friendly Desktop Internet GIS (uDig)
> > http://udig.refractions.net
> > http://lists.refractions.net/mailman/listinfo/udig-devel
>
> _______________________________________________
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> http://udig.refractions.net
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