postgis
How do i get a bounding polygon around points?
I have a table with thousands of addresses开发者_JAVA技巧 as points. Is there a function in postgis that will allow me to get a bounding polygon around these points and return it as a polygon?[详细]
2022-12-16 14:12 分类:问答How to move spatial data from Oracle to Postgres [duplicate]
This question already has answers here: Migrate SPATIAL data from Oracle to开发者_StackOverflow社区 Postgresql[详细]
2022-12-15 02:13 分类:问答In PostGIS, how do I find all points within a polygon?
I am using PostgreSQL with the GIS exten开发者_如何学JAVAsion to store map data, together with OpenLayers, GeoServer etc. Given a polygon, e.g. of a neighborhood, I need to find all LAT/LONG points st[详细]
2022-12-13 10:53 分类:问答postgis environments changed with macport selfupdate
Last month I\'ve installed PostgresSql 8.4.1 and Postgis 1.4 via开发者_运维问答 macports on my Mac with Leopard(10.5), and everything just worked fine. I then updated to Snow Leopard(10.6) and still e[详细]
2022-12-10 15:58 分类:问答dynamic map managment in google earth
My goal is to display various shapes(polygons, points, linestring) on google maps by using data entered into a Postgis database dynamically(i mean by that we can see modifications in the map in real t[详细]
2022-12-09 04:41 分类:问答How do you know what SRID to use for a shp file?
I am trying to put a SHP file into my PostGIS database, the the data is just a little off. I think this is because I am using the wrong SRID. The contents of the PRJ file are as follows:[详细]
2022-12-08 16:11 分类:问答