Re: [postgis-users] Expand odd shapes

2015-06-10 Thread Andy Colson
Like this: http://testmaps.camavision.com/map/cassmo?pin=08083430332000 The blue part is the selected parcel. The gray is the ST_Buffer. -Andy On 6/10/2015 8:27 AM, Andy Colson wrote: Because I actually need to see the shape. One step is to see the shape, the second will be to find

Re: [postgis-users] Expand odd shapes

2015-06-10 Thread Andy Colson
Huh. My email from last night didnt make it though. Sorry to spam the list. This is my last one, I swear. ST_Buffer was exactly what I was looking for. Thanks Bob for pointing me back the right direction. -Andy On 6/10/2015 8:31 AM, Andy Colson wrote: Like this:

Re: [postgis-users] Expand odd shapes

2015-06-10 Thread Rémi Cura
Why not use ST_DWithin with the original triangle, it is the best option regarding speed and precision. Cheers Remi-C Le 10 juin 2015 01:30, Andy Colson a...@squeakycode.net a écrit : At first I thought no, because it creates a circle around a point: Returns a geometry that represents all

Re: [postgis-users] Expand odd shapes

2015-06-09 Thread Andy Colson
At first I thought no, because it creates a circle around a point: Returns a geometry that represents all points whose distance from this Geometry is less than or equal to distance But now that I read it again, maybe it does do what I'd like. If I pass a rectangle, it'll return all points =

[postgis-users] Expand odd shapes

2015-06-09 Thread Andy Colson
Hi all. I have buffer selection problem. My site can drop a point, then find all the parcels within 100 feet of that point. No problem. One client however would like to select a parcel (maybe its a square, maybe its a triangle, or any other odd shape), and find all other parcels within