Thanks for your help. Now I get it. you're the best.
Kevin Neufeld wrote: > > googling1000 wrote: >> Hi, >> I'd appreciate it if someone can help me figure this out. >> >> I thought ST_Buffer will take in any geometry and make a "buffer" around >> that geometry. >> > Yes, it does. >> So, if you give it a rectangular polygon, you will get a bigger >> rectangular >> polygon. >> > Nope. You'll get a bigger rectangular polygon ... with rounded corners. >> But, I keep getting a circle, and it looks like postgis found the center >> of >> the polygon and made that point the center of the resulting circle. >> > If you've made your buffer large enough, it would indeed look like a > circle since all you'll see is the four rounded corners. > > If you're after a larger rectangle, try simply expanding the bounding > box using ST_Expand(). Alternatively, you could try ST_Scale(). > > Cheers, > -- Kevin > _______________________________________________ > postgis-users mailing list > [email protected] > http://postgis.refractions.net/mailman/listinfo/postgis-users > > -- View this message in context: http://www.nabble.com/I-used-ST_Buffer-in-hope-of-creating-a-polygon-around-my-original-polygon-%28rectangle%29%2C-but-I-ended-up-with-a-circle-with-the-center-point-right-at-the-center-of-the-polygon-tp18298098p18310539.html Sent from the PostGIS - User mailing list archive at Nabble.com. _______________________________________________ postgis-users mailing list [email protected] http://postgis.refractions.net/mailman/listinfo/postgis-users
