PostgreSQL is an open source object-relational database system.

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Unable to edit PostgreSQL/PostGIS layers in ArcMap 10.2.2

I am connected to the database, have added a layer, started edit session, but I am unable to edit the attributeeo table of said layer. ArcMap tells me that it is not an editable layer. When ...
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542 views

generate height data from DTED maps

I have 16 DTED maps of (1 degree x 1 degree). I have to generate combined height matrix of maximum 4 (1 degree x 1 degree) DTED maps in my C++ application. Can someone suggest to me which open source ...
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28 views

Display data from postgresql on click map [duplicate]

I work with openlayers and geoserver. I'm searching for code that when I click on a point of a layer on the map, a popup window appears that contains information from the database (postgres) for this ...
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121 views

Connection property set error on registering PostgreSQL geodatabase with ArcGIS for Server?

We're in the middle of a migrating process. We've imported a geodatabase on a new Linux machine and we're trying to publish some map services to this new ArcGIS Server (that resides on the same ...
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43 views

Limited number of entities exported with ogr2ogr?

I generate shapefiles with a php script that launches ogr2ogr commands. The ogr2ogr commands look like : "C:\OSGeo4W64\bin\ogr2ogr.exe" --config PGCLIENTENCODING LATIN1 -overwrite -f "ESRI Shapefile" ...
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1answer
46 views

Copy tables from one server to another in PostgreSQL

I am trying to copy a number of tables from one server to another using PostgreSQL as part of reorganising our data structure. I am pretty new to PostgreSQL so haven't much experience with it. Is ...
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46 views

Polygon from line creation problem

I have a problem transforming a linestring into a polygon. The error is: ERROR: lwpoly_from_lwlines: shell must be closed So I checked but firstpoint and endpoint are the same. I tried to use ...
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62 views

Calculate shortest path between each lat/lon point in one table and each lan/lon point in another in Postgresql

I have two tables, both of them have only 2 columns. The first one contain only latitude and longitude coordinates of my source points and the other one only latitude and longitude coordinates of my ...
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102 views

What Open Source Packages are available to provide routing

I am looking for ways to validate mileage charged by our contractors. They are paid from a central location to a customer, and then from the customer to a drop off location. I use QGIS for a bunch ...
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1answer
31 views

Minimum Information to be kept on importing OSM data to use it for creating random start and ent points

I want to only import the minimum of data from OpenStreetMap, to be able to distribute random start and end points for a simulation in administrative areas in germany. I found this file ...
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1answer
40 views

PostGIS - ST_Difference query returns a dissolved result

I am using the ST_Difference to erase multipolygon feature by a mask. However, the query returns a dssolved multipolygon. The query is the following: '''SELECT ST_AsGeoJSON(ST_Collect(geom))::json ...
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45 views

How to load style from postgresql?

Is there any way to load a postgresql style for a vector layer using python? There is a function: loadNamedStyleFromDb (const QString &db, const QString &theURI, QString &qml).Does it ...
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31 views

Pgrouting, pgr_dijkstra function error

I'm starting to use the Pgrouting function on my database Postgresl. I have the table of links (id, source, target, cost) which contains the set of edges of my graph. I want to calculate the shortest ...
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1answer
46 views

Find nearest distinct features to a point

I am trying to select a single distinct features closest to an XY point in PostGIS. So I can find a single record for each distinct code by using: Select Distinct ON (code) * FROM table; Which ...
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1answer
83 views

Installed PostGIS extension not listed for database

I have a PostgreSQL database with the PostGIS extension enabled. I know that this extension is enabled, since I am using PostGIS functions, and I can actually see the PostGIS functions. However, ...
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29 views

Performance issues Tilemill with PostgreSQL and large datasets

I have a Tilemill project the size of europe. I developed my style-sheet by using a smaller dataset (size auf Austria) and everything was perfect. But now I did apply the same styles to my big europe ...
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1answer
44 views

Postgres Performance with Radius Searches

Im porting an application from mysql to postgres, and have several tables with 500k+ rows in each of geo points (lat, lon). In mysql i used a bounding box query with haversine to select rows within a ...
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32 views

insert row into postgis query table in QGIS

I find I am using QGIS (2.4) more and more as a client for PostGIS database tables with geometry, but also for tables without geometry, partly because it's good just to use the one application and ...
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2answers
69 views

Split lines into non-overlapping subsets based on points

Given a table with line geometry, and one or more points that are snapped to this line in a separate table, I would like to split each line with one or more intersecting points at each of the ...
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1answer
57 views

Python script fails on stand alone but works in ArcMap as a toolbox

I have a fresh install of ArcGIS Server and ArcGIS for Desktop both 10.2, latest patches applied. The data is served in this application from a PostgresSQL enterprise geodatabase. The problem is that ...
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1answer
219 views

Where can I find PostGIS error codes?

Using ST_Contains in where clause sometimes gives me error messages like ERROR: GEOSContains: TopologyException: side location conflict at 37.3706 55.7882 For now I can't guarantee validity for ...
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1answer
354 views

How to query OSM for all beaches facing west? - QGIS preferred

I want to identify all beaches on this planet (or a given subset of it) that are facing westwards (+/- 20-30 degrees). My idea is to use OSM as the data source. Extracting all polygons that have the ...
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1answer
49 views

where styles from QGIS are saved in PostgreSQl

I can save style of a layer in DB PostgreSQL. But where it is stored in Postgres? How can I found It?
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1answer
100 views

SQL query to have a complete geojson feature from PostGIS

I would like to get a geojson feature with properties from PostGIS. I have found an example to have a feature collection but I can't make it works for just a feature. so far I tryed to modify the ...
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1answer
120 views

How can I relate the osm2po osm_source_id to data in OpenStreetMap?

I created and imported OpenStreetMap (OSM) data into Postgres using osm2po: e.g. java -Xmx8g -jar osm2po-4.6.9/osm2po-core-4.6.9-signed.jar config=osm2po.config.eu_xc prefix=eu tileSize=x,c ...
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3answers
208 views

How to register as versioned using SDELayer?

This is the normal process using ArcCatalog : I want to automate this process using sdeLayer or any tools - does anybody have an idea as to how to do it? there is an application sdelayer ...
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160 views

Import shapefiles on my postgis table using R

Using R, I would like to import shapefiles that are in a directory on a geometric table i have on postgresql / postgis. What is the instruction that allows me to do it? EDIT: here is my code to ...
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3answers
85 views

From PostgreSQL to QGIS

I have conected to PostgreSQL and imported the layer to QGIS. The names of columns are written using English letters. Can the names of columns be automatically renamed using another language?
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2k views

Can POSTGIS 2.0 be install with POSTGRES 9.2 on Ubuntu 12.04 OS at the moment?

This question is more about environment set up. At the current moment, March 4th 2013, can POSTGIS2.0 be install with POSTGRES 9.2? I check their website out and to my understanding it is not ...
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5k views

How to install PostgreSQL 9.2 with PostGIS 2.0 on Ubuntu 11.10 (or higher)?

I have read this question: Install PostGIS v2 for PostgreSQL v9.2, but it didn't resolve my problem. I added the PostgreSQL backports PPA and installed the postgresql-9.2 package, but there is no ...
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1answer
19 views

Road displays up to node, not up to starting point and ending point

SELECT id FROM table ORDER BY st_distance(the_geom, st_setsrid(st_makepoint($slng,$slat), 4326)) limit 1 ; get source and similar for target ; and then apply in dijkstra algo SELECT pgr_a('SELECT id ...
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Working with address data extracted from *.osm

My goal is get all the addresses from a certain country, ideally - from all countries, but for now - only from one. I downloaded an *.osm file from here http://download.geofabrik.de/ for a certain ...
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select intersection of 2 geometries, polygon and polyline

I'm searching how to have a result of 2 geometries (villages and wetland) which don't intersect. When I write: select distinct v.name from villages v , wetland w where ST_intersects(w.geom,v.geom) ...
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1answer
44 views

How to update a CartoDB table at a certain time of day

I have a table in CartoDB 'inland' that I would like to have automatically update each day at 8pm PST. I know that PostgreSQL has no internal function to run an UPDATE COLUMN function at a certain ...
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51 views

PostGIS - Intersects feature to split into linestring

I would like to know if it's possible to intersect feature datasets (multipolygon, polygon, multilinestring and linestring) to get a result as a set of linestrings being split at each intersection ...
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1answer
33 views

PostGIS ST_ConvexHull for cube corners not as expected

I'm new to PostGIS and am wondering whether ST_ConvexHull will be of use in a particular work problem. Trying out some simple cases to make sure I understand what it's doing, I didn't expect this: ...
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1answer
133 views

create the postGIS table error No such driver: PostgreSQL

I'm trying to create the postGIS table with spatial features I can do it by: library(RPostgreSQL) library(spacetime) library(rgdal) dbname = "geodatabase" user = "postgres" password = "***" #password ...
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Google Streetview Images in infowindow

I have followed the instructions on this blog post on adding streetview images to the infowindow: http://blog.cartodb.com/a-picture-is-worth-1-000-attributes-infowindows-with/ I can do it without a ...
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1answer
223 views

POSTGIS SQL - How do I remove (defined) sliver polygons

I would like assistance in writing SQL (for POSTGIS in postgresql) to remove sliver polygons (including long narrow slivers and some small irregular polygons that were erroneous 'gaps' in the original ...
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2answers
176 views

Problem with running PostgreSQL 9.3 after installing pgRouting

I have PostgreSQL 9.3 installed on the server. It worked just fine. I also had a webservice which connected to a database. That also worked like a charm. Later, I decided to install and use pgRouting. ...
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34 views

Connect to PostgreSQL from ArcMap 10.2 failed [duplicate]

I have a database server PostgreSQL and Postgis. I want to connect to database from ArcMap 10.2 , I tried Add Database Connection from arcmap menü. I typed my connection informations and clicked ...
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3answers
72 views

How can I insert a bounding box or polygon in a PostGIS geometry field?

I have a field in my table called 'geometry' that was created thus: CREATE TABLE "public"."sites" ( "id" int8 DEFAULT nextval('sites_id_seq' :: regclass) NOT NULL, #... A few MORE fields ...
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2answers
64 views

How to setup a SQL trigger in CartoDB

I need to setup 2 SQL triggers in CartoDB that will update my inland and coastal tables each time my obs table is updated. I have never setup a SQL trigger but I have looked at the documentation and ...
3
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1answer
48 views

Problem in Backing up a database in PostgreSQL

I need to create a backup from my database (in PostgreSQL 9.3). I have used the pg_dump tool, gives me an error. I have also used pgAdmin III for backing up which also gives me the following error: ...
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1answer
87 views

Using OpenStreetMap for simulation of commuter routes

I'm seeking some advice on how to build a simulation based on OpenStreetMap Data for my masterthesis. My knowledge of spatial data is very limited, since I come from another field of science, namely ...
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1answer
28 views

Add minutes contained in a column to a date

In CartoDB I want to add minutes contained in a column of data type number to a date. e.g. SELECT my_initial_date + 'xx minute'::INTERVAL as my_date FROM table What is working is: SELECT ...
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1answer
82 views

How to calculate the shortest distance for multiple source and targets using PgRouting?

I have a table with points and a road network which includes driveways (where you enter the highway). I want to find the point which is closest to a driveway. So I was thinking I can calculate the ...
2
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1answer
81 views

nearest facility with pgrouting

I have a postgres table of students with lat, lon and geom, , and a table of schools with the same, and a table of roads that has been converted to nodes. I'm trying to find the driving distance to ...
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1answer
72 views

Moving SpatiaLite Table into PostgreSQL using ogr2ogr?

How can I move a Spatialite table from a Spatialite db to a PostgreSQL db using ogr2ogr?
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2answers
214 views

Importing .shp to postgreSQL

I want to import a shp file to postgreSQL. First I create sql file and then run PostgreSQL. To create sql file, I run this command in windows cmd: shp2pgsql -s 4326 worldCountries.shp worldcountries ...