One or more structured sets of persistent data, managed and stored as a unit and generally associated with software to update and query the data.

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1k views

POI database of tourist attractions, or POI database with popularity index

I'd like to build a list of popular points of interest and tourist attractions for many/every city in the world. Is there any sort of dataset that I can use for this which either contains only popular ...
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0answers
10 views

Web Mapping Service Beginnings [duplicate]

I currently have a small relational database with six or seven tables that I've put together in Access on my home PC. One table includes locations, with columns for latitude and longitude ...
1
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1answer
964 views

Trigger a python script to run after a row is added to the feature class

I have a Python script which runs on a SDE feature class daily (as a scheduled task). I would actually like this script to run whenever a new row is added to the feature class (data is captured in the ...
2
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1answer
178 views

Lidar and Opengeo suite

Opengeo suite has provided a tutorial on how to manage LiDAR data using postgresql. I was trying to follow the tutorial in this link. I am new to Linux and using Ubuntu 12.04. I have successfully ...
5
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1answer
5k views

Establishing a MySQL connection in ArcGIS 10

Is it possible to create a connection to a MySQL database in ArcGIS 10?
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2answers
77 views

How to obtain data to create average precipitation in 2012?

I am currently doing a final project, which I have to create a map of 2012 average precipitation of lower 48 states by using natural neighbour interpolation. The problem is that how can I get the ...
8
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4answers
5k views

ArcGIS fails to import all records from huge CSV file to file geodatabase table despite being within FGDB table size limits

I'm using ArcGIS 10.0 on Windows 7 64-bit with 4GB of RAM. I have some very large tables in CSV format to import to ArcGIS, they all have about 30 fields, upwards of 5 million records per table (a ...
2
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0answers
74 views

Creating an automatic connection to Microsoft SQL database instance in QGIS

I have connected to an MS SQL database in QGIS using the Add MS SQL table(s) tool. However I have a lot of feature in my database and so it is inconvenient to reconnect to the database every time I ...
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1answer
42 views

How to save selected features from a postgis database into a new mini database

I have a postgis(v2.1.3)/postgresql(v9.3) database with geometry (geom1, geom2, etc.) and attribute (attr1, attr2, attr3, etc.) tables. The attribute tables are linked to the geometry tables using ...
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1answer
158 views

How to import geometry data from csv file to postgres?

I have geometry file in *.xls file, but when I save in *.csv it say "some feature in your workbook might be lost if you save it as CSV (Comma delimited)" however I keep that file anyway and when I ...
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0answers
256 views

Inserting coordinates from Google Maps into a Database

My question is pretty basic. I am using Android Google Maps to take the coordinates off a location on the map and I want to insert it into a PostgreSQL database. I know I have to use PostGIS but how ...
2
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1answer
241 views

using arcpy to get all database names within a server?

I am trying to populate a folder with ArcSDE database connection files for all the databases within a server instance. I need to be able to do this for several of our servers. Although I know within ...
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3answers
174 views

Hydrology, operational rainfall-runoff models

I am trying to collect information about operational rainfall-runoff models used around the world. I hope to build database with country outline with attached information what organization is covering ...
5
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3answers
10k views

How to import info from mdb file into a project?

I need to import info on a QGIS project. The info are in a MDB file (population, mean age, number of cars and so on: one record per region) that is written to be connected with a region shape from an ...
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3answers
318 views

How to create efficient database for routing?

I created a database of many important features and locations of my city, and I want to find shortest/fastest path between two locations. Now, I'm calculating the route by using A* algorithm in Java ...
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1answer
219 views

How to transfer layer data from OpenLayers to PostGIS database or QGIS?

Supposing I have a created some layers in OpenLayers containing only Geometry Points, how do I transfer my data to a postGIS database? Is there a way to turn pure javascript/openlayers to a table in ...
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1answer
387 views

Why use a database when you can have all of your data in javascript/openlayers?

I have a really simple and basic question. First of all, I have to mention that I am pretty new to web applications and GIS. I am working on a web application using Openlayers, Postgresql/postGIS and ...
18
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3answers
484 views

(When) should I use a GIS-enabled database?

I am a long-time programmer, new to GIS. I am trying to get a feel for the database aspects of GIS and I understand that there are some databases which are specialized for GIS use. Basically I am ...
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3answers
59 views

Disconnect QGIS from database without closing the whole program

I'm making PostGIS queries to a GIS database from python and I'm using QGIS to visually check the results of my queries, but every time I want to run a new query I have to close QGIS because it keeps ...
5
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3answers
654 views

Adding a GIS feature to existing database entry with QGIS

I've built a database with postgreSQL with tables, which include geometry columns. When I add some data to my non-geometry columns, I can see them in QGIS when I connect to my database using postgis. ...
5
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1answer
210 views

Need Advice - Displaying very large amounts of data on Leaflet js from database

I'm researching the best way to display a very large weather dataset (850mb +/-) for folks to use on their mobile and desktop devices. This huge dataset (1 point every 12km across the USA) that I'd ...
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0answers
19 views

Backend: look-up address, spatial join, and enter to db

I'm not a GIS admin and we don't have one, so I am completely lost on this one. We currently have an sql db where folks remotely enter address data via web-browser interface and it is recorded as ...
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1answer
107 views

Google Maps, here maps data in one database

I want to create a database from here and Google Maps to combine with my data. Then I create an application that can use this database. Basically I want to host the server with Google and here map ...
0
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1answer
93 views

Loaded SQL Point Data not displaying correctly in QGIS map

Having some issue getting my SQL data to display correctly in my QGIS map layout. I am using Postgresql/Postgis, QGIS 2.4, Windows 7 (64bit OS). I created a database with some point data that is ...
3
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1answer
71 views

How do versioned views work with multiple editors?

I understand that in the database environment, by executing version_util.set_current_version('version1') Editor1 is able to write SQL statements against [table_name]_vw views to edit the data at ...
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1answer
50 views

About the storage of GIS attributes

I'm quite new to the GIS world and I currently have some technical questions for which I have no answers yet. I'd like to know the good way to store the attributes for a feature using the PostgreSQL ...
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0answers
75 views

Word cloud labels in QGIS from database

I would like to do some word clouding as labels in QGIS from a series of tables in a database. Examples of word clouds can be found here: Word Cloud - Google Search I have two tables in a database: ...
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0answers
80 views

Adding information from excel into ArcGIS [closed]

I am working in ArcGIS and have a excel sheet with data pertaining to properties. I want to add this data to a map in ArcGIS of which i have property boundaries as a shapefile? I have a common folio ...
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2answers
190 views

Cannot convert dms to dd in Excel 2007 using VBA code

I am trying to convert the data in an Excel sheet from dms (degree-minute-second) to dd (decimal degree) format using the vba script available here. Here is sample data: 53° 0' 39.31" 6° 44' ...
2
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2answers
94 views

PostGIS SQL NOT EXISTS Statements? [closed]

I'm trying to query my PostGIS database for ID of people who did X but did not do Y. I've attempted the query below, but it does not return any results. I'm very new to SQL so I may be overlooking ...
4
votes
3answers
230 views

Using a web map to identify and access data

I am trying to making a webpage where the user pans and zooms on a map, and based on the location and zoom level, some data is displayed on the webpage (drawn from another source). The data that will ...
10
votes
2answers
404 views

What is the best hack for importing large datasets into PostGIS?

I have to import large Shapefiles (> 1 million records) into PostGIS, and I have been wondering about the best way to do it. In my question I used the word "hack", instead of tool, on purpose ...
1
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1answer
79 views

What is best way to reorganize osm into PostGIS database entity?

I'm just wondering how to reorganize the OSM given entity to more flexible and schematic purpose. The OSM gave 4 entities the planet_osm_line, planet_osm_point, planet_osm_polygon and ...
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0answers
38 views

How to get sql error from postgis when a plugin fail to load vector layer?

I am writing a plugin for qgis that load a sql layer from postgis database. I am disappointed that when the layer fails to load i can't find a way to get the sql error message from database server. ...
0
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2answers
971 views

How to join MySQL database to QGIS polygons

I Have an *.sql file that has no spatial information. For every record there is an id. I also have a Qgis project with polygons without any id. How can i connect the polygons with the database? I ...
1
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3answers
558 views

Load information about a feature

I must mention first of all that I am very new to this area... I am developing a GIS application. I created a simple map using geoserver with openlayers, it is all working through apache tomcat - and ...
4
votes
3answers
2k views

How to read the GEOMETRY table inside a sqlite database

I'm working on an android app which should display some lineobjects stored in a sqlite database. This sqlite database is created through an export in QuantumGIS. My first question is it a real ...
1
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1answer
93 views

Is there a special tag to calculate way length in osm2pgsql?

There are special tag 'way_area' in osm2pgsql creating a database column that stores the area of polygon fatures. So is there something like this for calculation of length of line oblects?
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0answers
93 views

world city database (with lon,lat) & population per year

I'm building a visualisation with cities population around the globe for a website, found the MaxMind free database that includes most cities around the globe with coordinates and population, which is ...
0
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1answer
36 views

web map service - does it update by default when data is amended in Oracle source tables?

I have a WMS which source data is held in Oracle. Every year an amendment to the view in Oracle is run to update records. Does the web map service need to be re-published once these amendments are ...
0
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1answer
40 views

GPL-compatible database of country & region names

For WordPress's sister project BuddyPress, we are looking for relatively-reputable resources that manage a list of countries and regions. Due to the WordPress OpenSource philosophy, we are only ...
2
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1answer
128 views

Best simple GIS for Estate inventory and mapping

I think my GIS needs would be considered simple for the 3500 acre estate I manage: create maps of our roads, trails, fields, and buildings, and show distances on the roads and trails; calculate ...
1
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1answer
88 views

Possible to store 3D features such as dome into geospatial database?

Is it possible to store 3D features such as dome into geospatial database such as PostGIS? I know that it can store x,y,z data, can such complex features be stored into database?
3
votes
1answer
662 views

Schema locking logistics on ArcSDE for SQL Server?

I have a set of feature classes that I want to be able to edit schema or what ever I want to do in the heat of the battle and I don't want to be stiffled by schema locks. I have a interpretable ...
0
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3answers
60 views

Integrating ArcGIS for Desktop with Past Perfect for mapping public art objects?

I am working on a project where I need to map out several assets that are found around the city. The Arts Department utilizes a software called Past Perfect to catalogue and track any art assets. My ...
7
votes
6answers
3k views

I'm looking for a comprehensive database of all cities/towns in South Africa

The title says it all really - I'm looking for a comprehensive list/database of all cities/towns in South Africa. I know about these guys: http://www.afrigis.co.za/, but they're just not getting back ...
1
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2answers
191 views

Most optimal way to create a (spatial) database for big amounts of data?

I am using QGIS, and on my way to set up a huge spatial database (geographical), where most of the data is points without geometry), along with other types of data (like lines in DXF and areas in ...
9
votes
3answers
4k views

QGIS, Postgis: Geometry type does not match column type

I'm trying to import some polygon shapefiles to Postgis in QGIS via SPIT. One of them can't be imported and returns this error: ERROR: Geometry type (Polygon) does not match column type ...
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2answers
99 views

QGIS Connection PostGIS and shapefile

I'm working on QGIS with a database created in PostGIS and a shapefile. Inside the database, I have geometry type data about location of some points, instead on the shapefile there some selected ...
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0answers
76 views

In ArcGIS, how to automatically recalculate a calculation if I modify the Excel data source?

There's a database with buildings. Each of them has a few parameters, for example building type codes. In a distinct table each building type codes has 4 attributes. During the Join, the datas will ...