Hi,
If you'd choosed to subdivise in equal parts you might have 3 lines and 4
columns (or 4 l * 3 c). So when a point A (ax,ay) is in a "primary" boxe, the
related position in sub-boxes is:
i E {0,3) \ pcxi= Message du 15/08/13 00:17
> De : "René Fournier"
> A : "postgis-users@lists.osgeo.org"
> Copie à :
> Objet : [postgis-users] Subdividing a polygon (rectangle) into equal segments
> (smaller rectangles)
>
>Hi everyone,Just wondering how to go about something:Currently, I have a table
>with thousands of polygons (rectangles). I can query the table to see which of
>them contains a given point (lat/lng). With the resulting rectangle, I further
>need to determine *where* in the rectangle the given point (lat/lng) lies.The
>reason is that each of the rectangles are actually subdivided into 12 smaller,
>equal rectangles, numbered/lettered A-L. How would you go about doing this? It
>doesn't seem like something I can compute in the initial query to retrieve the
>containing rectangle… Any ideas?…Rene
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