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Re: st: question about spmap


From   Scott Merryman <[email protected]>
To   [email protected]
Subject   Re: st: question about spmap
Date   Wed, 25 Aug 2010 13:41:36 -0500

Can you replicate this problem using the -spmap ancillary- datasets?

Both the maps in the example below produce regional borders:

use "Italy-RegionsData.dta", clear
spmap using "Italy-RegionsCoordinates.dta", id(id) name(gr1,replace)
	
spmap using "Italy-RegionsCoordinates.dta", id(id)                 ///
   point(data("Italy-RegionsData.dta") xcoord(xcoord)               ///
   ycoord(ycoord)  fcolor(red) size(*1.5)) ///
   name(gr2,replace)


Another way is to use the -polygon()- option

use "Italy-OutlineData.dta", clear
spmap using "Italy-RegionsCoordinates.dta", id(id)                 ///
	point(data("Italy-RegionsData.dta") xcoord(xcoord)               ///
        ycoord(ycoord)  fcolor(red) size(*1.5)) ///
	polygon(data("Italy-RegionsCoordinates.dta"))


Scott


On Wed, Aug 25, 2010 at 1:11 PM, Maria Ana Vitorino
<[email protected]> wrote:
> Dear StataList users,
> I have a question regarding spmap.
> If I do
> spmap using pt-c, id(id)
> then I get a simple map with all the boundaries for the different regions,
> which is ok.
> But, as soon as I add some point data (from another file) the boundaries
> disappear.
> For example, when I do:
> spmap using pt-c, id(id) point(data("points.dta") xcoord(xcoord)
> ycoord(ycoord) fcolor(blue) )
> only the points show up, not the boundaries for the regions.
>
> How can I have both the boundaries of the regions and the point data?
>
> Thanks for the help,
>
> Ana
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