[Geomoose-users] Question about polygon queries

[Sacha Black]

Thanks Brent,

I will try to look into this a bit further and see how far I get,

Sacha

On Sun, Mar 14, 2010 at 6:58 PM, Brent Fraser <bfraser at geoanalytic.com> wrote:
> Sacha,
>
>  As far as I know, Geomoose has no capability to do this.  While there
> are some tools in Geomoose to draw a polygon, you would need to write
> some server-side scripting (for example, in PHP) to take the drawn
> polygon and do an Intersection on the soils layer, possibly using the
> OGR_G_Intersection function in GDAL's OGR API (although I'm not sure
> that function is available through MS4W's OGR PHP library).
>
> Best Regards,
> Brent Fraser
>
>> I have a soils layer and I can use Geomoose information tool to query
>> (by point or rectangle) a soil polygon or polygons to get the soil
>> types. I would like to find out if it is possible to draw an arbitrary
>> (non-rectangular) polygon and use that polygon to get a list of the
>> sail types, and the area of each type that falss inside my custom
>> polygon.
>>
>> I know how to construct the queries I need to run in PostGIS, but what
>> I don't know how to do is how to draw & pass the custom query area
>> from GeoMoose to PostGIS. Is this currently possible? Where would I
>> look if I were trying to add this functionality?
>>
>> thanks for any suggestions,
>>
>> Sacha
>>
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