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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3
votes
1answer
1k views

BLOB TYPE in Arcmap

I created an excel spreadsheet which converted to blob type when i imported it into ArcMap .I am trying to view the BLOB type field in ArcMap because I want to join this blob field to a common field ...
0
votes
0answers
193 views

How do I set up a PostgreSQL database for use with PostGIS and GeoDjango?

The Django docs say to use createdb -T template_postgis geodjango but I already have a database set up. While trying to find out what this actually does and a way to apply it to an existing ...
1
vote
3answers
364 views

Are there alternatives to the Google Places API, for lat/long retrieval?

I am looking for an alternative API to Google places both free and paid to extract location data (lat/long) for business locations i.e all of the "coffee shops in London". I have looked at Factual, ...
0
votes
1answer
319 views

Osm2pgsql failed due to error when I try to import data into PostgreSQL

I am using the following link to install openstreetmap server on my ubuntu 14.04 server. I have followed their tutorial line by line and installed most of the dependencies and everything. When I try ...
0
votes
0answers
16 views

Change dbase table alias

How can I change the alias of a dbase table without completley renaming the file? I've tried right clicking the the file, opening properties, and changing the alias, but it will not allow me to edit ...
1
vote
1answer
34 views

Web map linked to database that shows one spatial location at a time

I have a simple database with a record for each research project that occured on a national forest. Each project area is associated with a polygon, and there are around 200 polygons that are piled ...
0
votes
2answers
96 views

Global roads information prefrably with traffic volume

Im looking for a high quality global roads database. The only constraints I have is that it should be completely open (even foe commercial use) I have looked into some publicly available databases ...
0
votes
2answers
122 views

How is a database related to a .mxd file?

What exactly is an mxd file, and how is it related to a database? Can a single database have multiple mxd files?
-2
votes
1answer
138 views

What are shapefiles, layer files, and databases and what are their relationships? [duplicate]

What exactly is a shapefile in ArcGIS, and how is it related to a database or a layer file. What are the differences between these 3 things?
-1
votes
1answer
73 views

What is a database in ArcGIS? [closed]

I was wondering in general, what exactly is a database and is there a difference between that and a geodatabase? I was also wondering when you would use a database as part of ArcGIS. Do you make one ...
3
votes
2answers
131 views

Switch between test and production database in ArcMap?

I have two Oracle 11g databases, one for testing (tst.world) and one for production (prd.world). Except when I am trying out new things, they have exactly the same table structure. In ArcCatalog I ...
1
vote
0answers
34 views

Combining Datasets from multiple scraped data CSV files using FME [duplicate]

My main goal is to collect information of US Golf courses located in the United States and geocode them to create a meaningful map. I was able to scrape from four sites in which I created 4 CSV ...
0
votes
0answers
137 views

How to use NewSQL Database with GPS tool with Node.JS as server side programming

I am a web project manager and I want to create a website to show current position of cars on the map (google or ARC). I know how to create the website, but I don't know how to fetch the longitudes ...
1
vote
1answer
94 views

Where to store lat/lon data with additional informations?

I have huge database of lat/lon GPS coordinate points. For every point, I have several other variables (height, surface type, temperature, pressure...). Also, data will be changed every day and old ...
2
votes
0answers
50 views

QGIS: Edits in attribute table are not updated in Postgis database. Why?

As the title say. I edit values in the attribute tables of my QGIS project but there is no update to the database. I refreshed in QGIS as well as the database. What else do I need to do?
6
votes
3answers
175 views

Efficient processing of difference between input data and database

I have an input dataset whose records will be appended to an existing database. Prior to being appended, the data will go through heavy, time-intensive processing. I want to filter out records from ...
0
votes
1answer
24 views

Adding data column by column in postgreSQL database

I organize my data in different txt files and dat. files, mostly in each file there is one specific column of data. Now I want to import and combine 4 of them to create a table. Say I have one file ...
2
votes
1answer
179 views

How to change field length with ArcObject?

I want to change some string field in sdegeodatabse with bellow code. The code are running without any problem. but after running, filed length return to default length. What am i missing? static ...
-1
votes
1answer
252 views

Adding a column of WKT format in the table (postgreSQL)

I want to include this column of data that are in WKT format (they are mostly straight lines). What data type should I use? I need to create this database for mapping. There are about 30000 features ...
1
vote
1answer
77 views

Column length editing in QGIS or ARCGIS

Can anyone suggest how I can change the length of an existing column (For ex. column name -- ABCD, column_Type -- Text, Length -- 254). It would be great to have solution on platforms like ArcGIS or ...
0
votes
1answer
328 views

Cannot add database connection using windows authetication SQL Server and ArcSDE 10.3

We can't seem to add a database connection from ArcSDE to sql server 2008 using ArcCatalog 10.3.1 from a specific computer with a specific username. When trying to add a database connection using this ...
2
votes
0answers
44 views

Publishing Linked Datasets Format [closed]

This past summer for research I was working on linking the NOAA Rivers Database (http://water.weather.gov/ahps/forecasts.php), The National Atlas Lake Database, and the the USBGN datasets so that ...
0
votes
1answer
329 views

Is it possible to connect a libreoffice database to qgis?

Is it possible to connect a libreoffice database to qgis? I developed a database for our exploration points and would like to connect it directly to QGIS instead of exporting to csv.
1
vote
0answers
160 views

Why is mapserver returning a blank image?

I am trying to load a layer from a postgis database, mapserver does not return anything. I think I have narrowed the problem down to the fact that the sql query mapserver is running is returning ...
0
votes
2answers
137 views

Seeking web service that returns elevation profile between two points and can process 5000 requests per second

I need a web service that provides elevation profile data between two coordinates with request rates at a minimum of 2000 requests per second but preferably at 5000 per second. The distance between ...
1
vote
0answers
35 views

Export only one value from a one-band raster

I have a PostGIS database with a georeferenced raster, with one band which contains values from 0 to 255. I should export it to a transparent GeoTiff picture in which the only visible pixels are those ...
4
votes
1answer
743 views

How do I remove username / password from an ArcGIS mxd?

When you create an mxd and use layers from a database connection where you are using "Database authentication" and clicked "Save username and password" and share the mxd with others, why are others ...
1
vote
1answer
154 views

Adding non geographic data from MSSQL Database to QGIS?

In QGIS (2.8) I am trying to add non-geometric data / flat data that originates in a MS SQL database. This flat data later should be joined with other layers etc. Connecting to the specific database ...
0
votes
1answer
106 views

Connect MATLAB to cartoDB using Database Explorer?

I set up a database on cartoDB. I'm trying to use MATLAB to connect to the database using Database Explorer. I've downloaded the PostgreSQL driver. MATLAB asks for connection Parameters: Server ...
1
vote
3answers
44 views

How to find which areas/regions a list of lat/lons are in?

The Australian Bureau of Statistics (ABS) issues Esri shapefiles or MapInfo files which have a code # for each geographical area at various 'resolutions' and I have a database with a column of ...
0
votes
2answers
107 views

Importing and exporting KML into and from DashDB for Geospatial Analysis

I am a recent convert to IBM's DashDB, and I considering proposing to use it at my work. My case would greatly be bolstered if I could show good, easy integration for geospatial analytics data, namely ...
0
votes
1answer
240 views

WMS layer connected to SQL database

It is possible to connect a WMS layer to a SQL database or other type of database? Example: I have created an application with Geoserver and OpenLayers. Now I can see the data from attribute table. ...
2
votes
2answers
66 views

Is a multi-database select possible with DB Manager?

I have data in two locations: geometry data (with attributes) on a PostGIS server (read only) a geometryless table on a local SpatiaLite DB (read+write) I need to select features based on data ...
1
vote
2answers
79 views

Using geodatabase for processing 7200 polylines?

I have 7200 lines and I want to divide each of them every 100 meters and take the coordinates of points from them. For that task should I create a geodatabase and put them in there? I am totally ...
0
votes
1answer
34 views

Migrating Data to Another Database whit FDOToolbox

I want to migrate my data (Shapefile) to a PostgresSQL using a FDOtoolbox , i searched a tutorial for that but i dont found it . can any one explain the steps to do for migarte the data from a ...
2
votes
1answer
492 views

Is it possible to render map tiles with a Nominatim PostGIS db?

I've imported a OSM database using Nominatim's setup.php. It's possibile to use some software to render the tiles using that database, or I have to re-import in a different DB for Mapnik et similia? ...
1
vote
1answer
160 views

Maintaining CAD drawings and Esri Geodatabase simultaneously?

I'm wondering if there is a best practice for maintaining both CAD and ESRI GDB sytems simultaneously? I work for my local municipality and as it is now the Eng Techs update reference drawings in CAD ...
2
votes
2answers
589 views

How to load a data table as a 'vector layer' using PyQGIS?

This might be a simple problem, but how does one load a simple two column CSV with no associated geometric data? I have given a couple go's via QgsVectorlayer[delimited text, spatialite] types - but ...
1
vote
1answer
514 views

Attribute table field default value not transfering to new edited features

Using ESRI ArcMap 10.0, in a versioned environment, we are in a geo-database and have a feature class with a default value populated in field properties. When we create a new feature using editing ...
2
votes
1answer
139 views

Topology Editing using ArcView (now called Basic) license level of ArcGIS Desktop?

I am building a geodatabase from data collected on a GPS handheld in the field. The GPS device collects decently accurate information but I need to make sure all the polygons, lines, and points are ...
1
vote
0answers
124 views

Road traffic database sample?

I would like to do some experiments on a traffic forecasting neural network and I need some real traffic data to run the network. My question is where can I download some real traffic statistics data ...
0
votes
1answer
69 views

ArcGIS Route Analysis

I have a pipe network that is a imported CAD file converted to lines showing complete runs of pipe in a system. I also have a Access database imported to ArcGIS set up as a relate to my Pipe line ...
2
votes
0answers
492 views

Filemaker interface with QGIS

I have created a map of features on an archaeological site. The artifact inventory is in FileMaker Pro 12. Rather than creating a CSV file and using that as the attribute table, I would rather, if ...
4
votes
2answers
1k views

Converting Date field to string using ArcGIS for Desktop?

I'm working with two data sets that require a compound key to join or relate. The two fields are: 'Node_ID' which is a long integer field referring to a particular electrical substation [887932] ...
3
votes
1answer
338 views

Put LeafletJS geoJSON's into a MySQL database through PHP

I'm doing a project that will let users manipulate a map through LeafletJS, creating circles and polygons on top of the map. I need to gather these inputs for later analysis, using a MySQL database ...
0
votes
2answers
174 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 ...
2
votes
0answers
94 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 ...
1
vote
1answer
73 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 ...
4
votes
2answers
286 views

Building a ol3 web application with dynamic content and user registration

My set-up: Currently I’m using a PostGIS database, with a GeoServer service and displaying the data with OpenLayers 3. I use WFS data to display the features in clusters and I’m able to edit them ...
1
vote
1answer
312 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 ...