Re: st: spmap question

[Maurizio Pisati <maurizio.pisati@unimib.it>]

Dear Sandu,
in most cases, the problem you mention can be solved by adding an indicator variable called _EMBEDDED to the basemap dataset. This variable should take value 1 if the corresponding polygon is completely enclosed in another polygon, and value 0 otherwise. For details, please see the -spmap- help file ("Spatial data format").
Best wishes,
Maurizio



Il giorno 15/gen/2013, alle ore 21.22, Alexandru Cojocaru ha scritto:

> Dear all,
> 
> I am interested in drawing a map using -spmap- (available from SSC).
> The map is of the kind given in this example available in the -spmap-
> helpfile:
> 
> *****
> use "Italy-RegionsData.dta", clear
> spmap relig1 using "Italy-RegionsCoordinates.dta", id(id)
> *****
> 
> i.e. the colors indicate the prevalence of some characteristic. In my
> case, one polygon (for the capital city) is fully surrounded by
> another region. If prevalence is higher in the capital city than in
> the surrounding region, the darker color of the capital city polygon
> displays correctly. In the reverse case, however, the polygon for the
> capital gets the same (darker) color of the surrounding region.
> 
> Any thoughts on what can be done to get the capital city polygon to
> display the correct color?
> 
> cheers,
> Sandu
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