0
votes
1answer
27 views

SELECT assign_vertex_id('ways', 0.00001, 'the_geom', 'gid'); not work

I'm using using OSgeo 6.5 dvd and studing pgrouting workshop (link) for get shortest path. I created network topology call "pgrouting - workshop". There are three commands to execute in section 5.2 ...
3
votes
0answers
16 views

What is the correct syntax for using gdal_rasterize with a PostGIS datasource

I have a multipolygon layer in PostGIS and I would like to use gdal_rasterize to generate a raster. I cannot find the correct syntax to specify PostGIS as the data source. $ gdal_rasterize -a ...
0
votes
0answers
33 views

Is there any feature limit for Spatial data migration to Postgre SQL9.2…?

I am trying to migrate spatial data to Postgre SQL9.2 using 'Postgis Shapefile & DBF Loader 2.0'....Each time it returns a "Runtime error'. Primary data extension - .shp ; Data type - ...
-1
votes
0answers
21 views

First time running PostGIS on OS X, need help [closed]

I'm trying to get familiar with PostGIS and wanted to install on my OS X 10.8.3; I've been goggling around and found out about postgres.app, downloaded and run it, but, any time I open the psql ...
1
vote
1answer
43 views

Pgrouting - Networking

my problem is regarding routing. I have a network based on bicycle graph links (SRID: 4326), with bidirected and directed ways. I want to give the user the functionality to draw a route (shortest ...
1
vote
2answers
43 views

Start postgresql+postgis without installation on Windows

I have used Windows7x64 and want start PostgreSQL+POSTGIS without installation process. I copy PostgresSQl\9.1 folder from other laptop to c:\opt. I need create .bat file with enviroment variables and ...
2
votes
2answers
45 views

Install the Pgadmin3 shapefile importer plugin on a Mac(10.8)?

I'm new to GIS related things and I'm setting up a Postgre/Postgis database for geospatial queries. I'd like to import various shapefiles into the database and I found that Pgadmin3 has a shapefile ...
1
vote
1answer
55 views

How to restore a back up file into pgadmin III

My backup file containing about 50-60 tables , but I am able to just load only 6 tables for a new db and 31 tables for postgis dbase . And this was the error when I restore a backup file. pg_restore: ...
1
vote
1answer
49 views

How to uninstall PostgreSQL Server on localhost and reinstall with new user and password?

On Windows 7, I'd like to install a brand new, fresh installation of PostgreSQL/PostGIS on a laptop, and wipe ALL the localhost servers, users, data and passwords clean, and then reinstall as if it ...
4
votes
2answers
84 views

What are the benefits of using ArcGIS with Postgresql over simply ArcSDE?

I understand that in order to benefit from ArcGIS spatial datatypes (ST_GEOMETRY, versioned geodatabases etc.) ArcSDE needs to be installed - and with the 10.1 client it is automatically installed ...
1
vote
1answer
51 views

Geometry has incorrect latitude-longitudes

SELECT ST_SRID(geom) AS s FROM zones GROUP BY s; returns a single record: 4326 SELECT Find_SRID('public', 'zones', 'geom'); returns 4326 SELECT AsText(geom) FROM zones returns geometry like: ...
0
votes
1answer
47 views

PostGIS error reads “Geometry has Z dimension but column does not” [duplicate]

I try to store a polygon in GeoJSON format into my PostGIS table. Both are using the CRS EPSG:3857. This is how the polygon is defined. Note that I put in some whitespace to make it more readable. { ...
2
votes
0answers
25 views

Clustering table on geohash index and geohash ordered table

I wonder if there could be a performance gain to re organize the rows in a table by Geohash and then CLUSTER this table on the Geohash index of the geometries. CREATE TEMPORARY TABLE tmptbl AS SELECT ...
1
vote
1answer
40 views

PgAdmin cannot load postgis for a database

Postgis works fine on my other postgresql databases, but I can't load postgis and postgis_topology extensions on a new database. I get following error message: ERROR: could not load library (path to ...
0
votes
0answers
16 views

How to find all possible paths by Postgis / Pgrout [duplicate]

There are functions available to find the shortest paths in Postgis / Pgrouting extension. But is it possible to find all the possible paths between two points/nodes ? Is there any such function ...

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