PostgreSQL is an open source object-relational database system.

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6
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1answer
517 views

Installing pgRouting Ubuntu Lucid

Here are the steps i did: Added ppa to repository sources in synaptic marked all pgrouting for postgres 8.4 apply (everything was ok) restarted postgres But, i just tried a simple function ...
6
votes
1answer
861 views

QGIS WKT Raster Plugin error, what does this mean?

I have been playing with the WKT Raster plugin. I have installed the WKT Raster experimental binaries in PostGIS successfully and followed the instructions in the read me to the letter. When i am in ...
11
votes
5answers
2k views

Speeding up OpenStreetMap PostGIS querying

I have OpenStreetMap data for the Netherlands loaded into a PostGIS database (PostgreSQL 8.3 / PostGIS 1.3.3) using the osmosis schema. This means all tags are stored in a hstore field. In addition to ...
7
votes
2answers
1k views

Basic PostGIS and PGRouting question

I'm using OSX 10.6 and just downloaded and installed PostgreSQL 9.0.2-1 and pgRouting 1.0.5-1 for Postgres 9.0 from here. I'm a confused what my next steps are though. I'd like to try loading a ...
5
votes
2answers
394 views

Trouble with PostGIS and multiple selection sources

I'm attempting to take geometry columns from two different tables, perform basic PostGIS operations on them, and have them returned in a single result set. My SQL statement looks like the following: ...
29
votes
6answers
8k views

How to use PostgreSQL/PostGIS with ArcGIS for Desktop?

Has anyone successfully used PostgreSQL with PostGIS successfully? I am a semi-experienced ArcGIS user and want to build out a database and connect it to ArcCatalog. I've scoured the internet for ...
12
votes
4answers
427 views

What is a suitable Global/Universal Unique Identifier for a PostGIS database?

I have read that using OIDs as a primary key in a postgreSQL/PostGIS db is poor practice because there are instances where these can be reset. Sounds logical, but then what is a suitable alternative? ...
8
votes
2answers
638 views

What are the Pros and Cons of hstore data type in postgis?

PostgreSQL has a module named hstore that implement the use of key/value pairs (it's something like the OpenStreetMap model, but in a single table). What are the Pros and Cons of hstore regarding GIS ...
22
votes
5answers
8k views

Optimizing osm2pgsql imports for OSM data

I'm currently building an instance on EC2 on which to import the entire Planet.osm snapshot of the whole Earth's worth of data for some projects we're working on. I've spun up a large Ubuntu x64 ...
10
votes
2answers
2k views

How do you display related records in QGIS?

Coming from an esri background I have always used relationship classes in a gdb to display records related to a feature. Eg. Relate 1 survey point to many documents, photos etc. Does any one know how ...
5
votes
2answers
939 views

ArcSDE for PostgreSQL installation

I am trying to install ArcSDE 10 for PostgreSQL in CentOS. I tried doing that but am stuck with same errors repeatedly and am thinking of giving one more shot from the scratch. I just want to make ...
6
votes
5answers
1k views

ArcSDE installation with PostgreSQL (error - 1015)

I am trying to install ArcSDE for Postgresql on CentOS 5.5 in i686 architecture. I have successfully installed and configured Postgresql. I did SDE pre-installation and as ArcSDE user, run the ArcSDE ...
12
votes
3answers
912 views

Centralizing shapefile data into database

I've got hundreds of shapefiles from various different GIS projects that I want to start consolidating into a single database platform, currently attempting this with Postgres / PostGIS. Hardly any ...
6
votes
2answers
1k views

Support for PostgreSQL / PostGIS Inherited Tables in MapInfo/QGIS

Does anyone know if MapInfo and QGIS will support inheritance in a PostgreSQL/PostGIS database? I would like to make use of inheritance but need to make sure the software I use will work with them. ...
3
votes
2answers
1k views

Postgres/PostGIS Spatial Query Performance Problem

I have a query in Postgres/PostGIS that I am a bit confused about. The spatial intersection happens very fast, ~ 2 seconds for 10,000, but the update takes > 15 seconds for the same number of points. ...
4
votes
1answer
327 views

Monster Spatial database server suggestions

I'm going to setup a open Mapserver w/ Openlayers, Geojango, Postgis using Postgresql. And I need some suggestions from people that have been shopping for what I need longer than I have. What would ...
5
votes
1answer
295 views

Postgres/postgis cursors

I have a road network with StreetName and min/max address ranges for each segment (ie- StreetName = 'Main St', Min = 100, Max = 199). I also have individual address points with similar information ...
3
votes
1answer
422 views

Is QGIS compatible with PostgreSQL 8.4 Advanced enterprise DB with Oracle compatibility?

Sorry for such a long question. We are trialling EnterpriseDB Postgres Plus Advanced Server 8.4 with Oracle compatibility and PostGIS 1.5.1. I can create a connection to the database in qgis and the ...
4
votes
1answer
388 views

Remove ArcSDE repository and associated files from PostGresql DB

A bit of background first. I have a PostGres DB with PostGIS, I also have ArcSDE installed in this DB and all feature classes created through ArcSDE are using the PG_Geometry. Everything works well! ...
4
votes
3answers
2k views

Arcgis server not showing map service

I have a map service enabled in my server and have kml and wms as well as mapping and feature access capabilities turned on. I can view the wms in qgis, I can veiw the kml in google earth. However ...
7
votes
4answers
2k views

Will PostgreSQL 9 work with ArcGIS 10?

I realize it is not listed as a supported Database. I am interested to see if anyone has tried to install and use it.