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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0
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1answer
48 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 ...
1
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0answers
63 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: ...
1
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0answers
79 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 ...
1
vote
1answer
162 views

How do I join an MS Access (accdb) table to a Feature Layer in ArcGIS 10.1?

I would like to join a table from a microsoft access database (.accdb) to a featurelayer in ArcGIS 10.1. How do I associate tables from that database with existing layers that have a matching ...
1
vote
2answers
140 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
votes
2answers
67 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
227 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
373 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 ...
4
votes
1answer
128 views

Pulling CSV file directly from website into QGIS?

I want to be able to automatically update my csv files in a QGIS project. My organization has an online database that can easily export csv files. These csv files are constantly updated with new ...
1
vote
1answer
66 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 ...
0
votes
0answers
35 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. ...
1
vote
0answers
103 views

connecting cartodb to existing mysql database

I'm trying to create a simple heat map based on longitudinal and latitudinal map coordinates that can be transferred from a database on mysql that I've created. I read that cartodb can be connected to ...
2
votes
2answers
795 views

Extracting data from GeoMedia *.mdf database without using GeoMedia?

Is it possible to extract data from Geomedia .mdf without Geomedia? Preferably with use of QGIS or ArcGIS for Desktop?
0
votes
2answers
726 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
vote
3answers
526 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
vote
1answer
90 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?
0
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0answers
82 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
votes
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
votes
1answer
38 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
votes
1answer
122 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
vote
1answer
78 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
617 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
votes
3answers
57 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 ...
0
votes
0answers
15 views

Aggregated zoning (sq footage) records by town [duplicate]

Is there a database of zoning records where you can find the square footage by room of an address? I would like access to it to create a cost splitting application.
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 ...
0
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0answers
47 views

Compatibility between ArcGIS for Desktop 10.2.1 and Node4j databases

The software that I use for spatial analysis and database connection with an external database is ArcGIS for Desktop 10.2.1, by Esri. Do you know if it is technically possible to connect ArcGIS for ...
1
vote
2answers
170 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
3k 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 ...
0
votes
2answers
97 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 ...
0
votes
0answers
72 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 ...
1
vote
1answer
244 views

Calculation to convert db data to Lat/Lng degrees

In a database I have the following Lat/Lng data. I wish to convert it to a readable format. 177514245:34726053 => S 32 7.3947, E 115 51.4245 177513828:34726948 => S 32 7.3052, E 115 51.3828 ...
3
votes
3answers
2k views

Create an ArcCatalog OLE DB Connection using Python

Is it possible to create an OLE DB connection (*.odc) to a database in ArcGIS 10 , but using Python instead of the ArcCatalog GUI wizard? I don't need to necessarily create a file on disk, just make ...
4
votes
3answers
5k views

Is there a way to link ArcGIS to MS Access and use that DB?

I have an IT background but I am new to GIS. I recently recieved training using ARCMAP. I have about 5000 farmers that I need to put in a database and access the information using GIS. The vision is ...
1
vote
0answers
42 views

Is it possible to retrieve lost versioned data in SQL Server Management Studio?

One of my staff accidentally deleted a feature class she was creating in her version before I reconciled it. I have grabbed a back up of the database from yesterday in SQL Management Studio. Is ...
2
votes
1answer
537 views

is there any direct access to Mapbox data? (similar to CartoDB's sql api)

I've been asked to add a form to a map that will write data in the background (e.g., ajax to a magic file that does datawrites and some emailing, notifications etc) and a new marker will be added to ...
6
votes
3answers
671 views

Suggestions for an efficient way to store raster files for lab use?

I'm trying to create a repository for our raster files from various sources and Im exploring the possibilities on how to store them and deliver them in our local intranet. I have come across rasdaman ...
8
votes
3answers
1k views

How to design a bus station query database schema?

We have bus station data, and we want to build an application which will provide the line/multiple line for a given start station and the end station. For example user try to get a bus line ...
1
vote
2answers
303 views

What is a good Javascript API for weather data?

I'm looking for a good javascript api which gives access to a weather data-base. I want to extract information like average number of rain days, amount of sunshine and average temperature. Is there ...
1
vote
0answers
44 views

Appropriate data structure for a bunch of polygons

I'm not a GIS guy so this might be a very misguided question. At present I have compiled a python dictionary, on which I perform some simple processing and return some answers. My data is structured ...
0
votes
0answers
65 views

Los Angeles Public Parking Lot Polygons?

So, I'm looking for some relevant data to incorporate into my map, and one of them is public parking polygons. Is there such a .shp file with these data?
8
votes
3answers
1k views

How to fix “Unable to initialize ODBC connection to DSN for ALC_AV_CO”?

So I am new to the QGIS community, and I have been trying to bring in some rather large access databases with little to no success. I have windows 7, so I've gone in through administrative tools/Data ...
1
vote
1answer
90 views

How to import a postgis database in ubuntu (osgeo live 7)

How does one import a postgis database in the ubuntu/osgeo live environment? In windows I would copy the backed up database file into the postgres bin folder and then use cmd to restore the databse. ...
4
votes
1answer
466 views

Extract points from regular data.frame with coordinates based on SpatialPolygonsDataFrame in R

I have a regular data.frame called datos.merged class(datosmerged) [1] "data.frame" The last two columns are the corresponding geographical coordinates datosmerged[1,c(23,24)] XCOORD ...
2
votes
0answers
244 views

How do I capture data from an OBD-II device?

So I happen to have a little bit of web experience, and have recently bought an OBD-II device. Basically, I'm trying to log certain metrics from the car, such as location and other diagnostics. I ...
3
votes
0answers
68 views

Insertion of a raster geotiff in PostgreSQL database

I am new in PostgreSQL and psql. What is the method to insert a raster geotiff in a postgreSQL database using command psql? What is the best format? Someone indicates to save a raster image as BLOB ...
2
votes
1answer
214 views

How can I copy archive data from one server to another?

I have an SDE 10.0 server and an SDE 10.1 server and I am trying to migrate the layers from 10.0 to 10.1. (On a side note the 10.0 server is running SQL Server 2005 and the 10.1 server is running SQL ...
1
vote
1answer
64 views

How to write unique ID(s) of polygons in layer A intersecting polygons in layer B to field in layer B?

I'm working in ArcGIS 10.1. Suppose that I have two polygon layers, A and B. Polygons in layer B can have one of a few relationships to those in layer A: They may be completely contained by ...
19
votes
8answers
8k views

What are the best databases for storing spatial data? Pros and Cons

A couple of days ago I installed the demo of spatialware 4.9 from MapInfo into my SQL Server 2005 install and loaded all the larger dataset into it. I was quite impressed with the performance vs the ...
17
votes
3answers
4k views

Database for offline slippy map tiles

I currently have an offline HTML5 map application (built on Leaflet & KendoUI with custom additions) that has an app manifest and works fine on multiple platforms. However, I am hesitant to use ...