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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4
votes
1answer
270 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 ...
4
votes
1answer
166 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 ...
1
vote
1answer
61 views

Postgis/SpatiaLite SQL query to connect MySQL, Access or Oracle database

In SpatiaLite or Postgis, how can one create a SQL query to read a table from a MySql or Oracle database? I don't know **the correct SQL syntax to connect to a table in a MySql or Oracle database ...
1
vote
1answer
101 views

Can't upgrade to PostGIS 2.2

I am running on MAC OSX El Capitan. My version of postgres is 9.4.5.0. My PostGIS version is 2.1.7. I cannot upgrade to PostGIS 2.2, because when I am trying to do, it pops "PostGIS requires SFCGAL >= ...
1
vote
1answer
121 views

Getting netCDF data into PostGIS database using Python?

I can read the netCDF file data with netCDF-python or with gdalinfo, but I am unsure of the easiest way to get it into a PostGIS database. It would be really easy if I could convert the netCDF file ...
1
vote
1answer
32 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 ...
1
vote
1answer
138 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
25 views

Is there anyway to combine a static geojson and data from database then display it in leaflet?

I do have a web map application that can load geojson then display it on leaflet map, however I encountered unresponsive script whenever I refresh my page due to big size of geojson. Is there anyway ...
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 ...
3
votes
0answers
488 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 ...
3
votes
0answers
31 views

DataB and DataB-copy worked on simultaniously - how merge DataB-copy into DataB

ArcGis 10 - EDITED (sorry for not being more specific, quite new to the arcgis world) We need to enter A LOT of Map data (Sewage system) into a Database in a relatively short time. It involves an ...
3
votes
0answers
84 views

Search in Bounding Boxes and Locations

Description of the problem (what I need): I have a set of bounding boxes (maybe the actual data is a location[longitude, latitude] in which case the bounding box will have identical corners). I have ...
2
votes
0answers
25 views

Is there any map API that allows you to pull an address range from a polygon?

I've seen a lot of answers saying you can't draw polygons and get the exact addresses of all of the places contained; thankfully, I don't need so much info. I'm looking for a way to get a vague ...
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?
2
votes
0answers
472 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 ...
2
votes
0answers
92 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 ...
2
votes
0answers
526 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 ...
2
votes
0answers
2k views

Coverting annotation into a shapefile

I have created an annotation feature class in Arc10 and when viewed within the database, looks great. However, whenever I go into catalog and export the annotation feature class to a shapefile, it ...
2
votes
0answers
72 views

Bounding Box approximation when calculating in euclidic space?

Although I will illustrate my problem using a database, I think this is a quite general GIS question. I hope I came to the right place to ask. I am working with a system that runs on a normal ...
2
votes
0answers
69 views

Raster layer with unique vector for each raster cell?

I have been looking around several hours, even days, but couldn't find a clear answer to my question. I am working on a WebGIS tool that interprets local geology. From more than 70 asc-files, I would ...
1
vote
0answers
22 views

Saving styles to database

In QGIS, the option to save the style to a database (postgres) does not appear in the drop down list if the postgis table has been opened using add vector layer and then entering the postgres database ...
1
vote
0answers
24 views

Export SQL table with images to Qgis

In MySQL Workbench 6.3 CE I created a table with some columns. One of this columns is of data type 'BLOB' to insert an image. Now i am looking for a way to export this table and import this table ...
1
vote
0answers
72 views

Registering database to ArcGIS for Server gives null error?

I'm trying to register a database to ArcGIS for Server 10.2.0 from the web server manager using sde file from ArcMap. The connection works fine in ArcMap. But when registering I'm only getting a ...
1
vote
0answers
151 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 ...
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 ...
1
vote
0answers
118 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 ...
1
vote
0answers
104 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
vote
0answers
136 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 ...
1
vote
0answers
46 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 ...
1
vote
0answers
59 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 ...
1
vote
0answers
76 views

Allocate places according to distance

I've asked this over on Stack Overflow but thought that someone may have a GI point of view that may help: As an over-simplified example I have a list of events that have a maximum attendance: ...
1
vote
0answers
481 views

Connect QGIS to MSSQL view (i.e. not a table)

I've got a MSSQL view containing data I want to show in QGIS. The view transforms a BLOB field containing WKB that is in one of my tables into a SQL geometry, which QGIS will be able to display. ...
1
vote
0answers
86 views

Creating tables using the coordinates of weighted graph?

Hello All, Kindly let me know how to create tables using the coordinates of a weighted graph ??
1
vote
0answers
74 views

Database has duplicate values after running pgrouting

I am a newbie with postgresql and sql statements so maybe it is a trivial question, I'm sorry for that. I am working on a postgis database and try to use the pgrouting function. My goal is to store ...
1
vote
0answers
200 views

How exactly is an SLD_body object (when extracted from its XML href) structured when using a cElementTree to parse it?

I'm trying to export data from a PostGIS database into a geoserver and I've gotten it to where I can get the PostGIS database to point to the geoserver (I'm doing this as a python script for a GIS ...
1
vote
0answers
99 views

Getting started with storing LoST and GML searching

I am working on a logging and search database application. The application will receive event records containing XML LoST values (RFC5222 Location-To-Service-Translation). These records will be ...
0
votes
0answers
9 views

API or Datababse for Atlas like data

Is there any database or API that can provide data present in Atlas books for example, list of countries, population, temperature etc.
0
votes
0answers
39 views

How can I add the PostGIS extension?

I'm experiencing difficulties when trying to add the PostGIS extension to PostgreSQL. I wasn't able to add the extension during the installation because of an error. Now I'm trying to add the ...
0
votes
0answers
17 views

Null output from Transform function of Spatialite

I am using Spatialite, an extension of SQlite and I have some problems running the transform function. According to the Spatialite functions page ...
0
votes
0answers
29 views

Using Definition Query to pull out monthly ridership data?

I have a database of bus stop ridership for Jan-Nov of 2015. There is an existing data set information pertaining to bus stops. I previously linked individual tabs (for each month) to the bus stop ...
0
votes
0answers
23 views

Using FEAT_NUM Instead of FID as a Unique Identifier

In GIS data which entity would be the definitive Global Unique Identifier ? The FID which is a system generated unique number that once deleted will never be generated or a FEAT_NUM which is ...
0
votes
0answers
44 views

Linked Excel file with Coordinates to Shapefile QGIS

There may not be an answer to this as I have yet to find anything from my searches but here goes. I have an excel file which is continually updated my multiple users. Within the excel file each row ...
0
votes
0answers
178 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 ...
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 ...
0
votes
0answers
128 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 ...
0
votes
0answers
94 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 ...
0
votes
0answers
122 views

HTML Popup Database Actions

I'm working on a collection of points on the map, each comes with a bunch of properties. I succeeded using a customized XSL template to show the information when I click on any point. And now what I ...
0
votes
0answers
48 views

How can I import layers into a database?

According to the QGIS User Guide (release 1.8.0, page 203/204) I only have to drag a layer from the QGIS Browser to the DB Manager. But for me this does not work.
0
votes
0answers
156 views

SDE Replication works through ArcMap but not through ArcCatalog

I'm running 10.1 on a 10.0 SDE database. We're trying to replicate our database (one-way parent to child) to a file geodatabase. Ideally I'd like to have this automated using python or .bat files but ...
-1
votes
0answers
32 views

Popoup Marker Leaflet Slow open in mobile phone

I'm not an expert , but I've created my base map with Leaflet . The map opens loading markers When I click on the marker , the popup is slow to come out . many times click on a marker to let out a ...