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
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 ...
4
votes
1answer
665 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
0answers
66 views

Career after GIS Analyst [on hold]

I am 23 years old. BSC.IT Graduate, and currently working as a GIS Analyst in Mumbai for last 1.5 years. I am planning to do SQL Certification followed by Oracle. Would it be helpful? I am interested ...
4
votes
2answers
838 views

Configuring spatialite database access for Python 2.6.6

I'm working on a GIS project, and I would like to implement and test some geo-spatial algorithms in Python. For this purpose, I will not only need sqlite, but also spatialite, in order to store and ...
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.
3
votes
2answers
58 views

Data organization strategies for single user desktop QGIS

I have been teaching myself GIS using QGIS for several weeks and I am looking for advice on how to structure my data in a way that is extensible and won't require me to constantly reorganize things. ...
1
vote
2answers
40 views

Animating polygon style over time in QGIS?

I have a shapefile, consisting of polygons. I can join a layer to a database file, and use an attribute (database value) to "style" (color in) the polygons to give me a visual representation of the ...
0
votes
0answers
36 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 ...
1
vote
1answer
1k views

How to use a database in Qgis

What is the primary use of database in Q-Gis? How to connect to a database in Qgis?
-1
votes
1answer
49 views

Using Mapbox with GeoServer or similar?

I am doing some research and trying to understand how Mapbox compares to GeoServer (or any GIS server software), and whether or not they are used together or if using one precludes using the other. ...
-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 ...
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
25 views

Unable to change default geodatabse with arcpy.env.workspace

Even after I set the path for the default database with arcpy environment variable, ArcMap does not change the default database directory? At first my arcpy.env.workspace looks like below: ...
1
vote
2answers
71 views

Advanced forms with QT designer

I have a QGIS project where a SHP-layer contains the IDs of plots besides vector data. I want to create a form with QTDesigner which enables me to enter the contact information of the landowner(s) ...
0
votes
3answers
71 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 ...
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 ...
4
votes
1answer
267 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 ...
0
votes
1answer
39 views

Cannot Convert Polylines to Polygons with Curves to JSON

I am getting this specific error and the following technical article solution does not work, any suggestions? The local edits were not synchronized to the server. Cannot convert polylines or ...
0
votes
1answer
233 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. ...
1
vote
2answers
49 views

How do I add my own data to an existing shape file?

I want to add event data to a geographical map. I have district shape files for Zimbabwe that I downloaded from GIS. However I now want to add my own data on to it. How do I do this? I have added ...
3
votes
1answer
83 views

ST_Transform doesn't work in PostgreSQL

When i run the query with ST_Tranform I get this error: Input geometry has unknown (0) SRID SQL state: XX000 How can I resolve this error? I want to convert from UTM into geographic lat/lon. ...
2
votes
2answers
467 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 ...
1
vote
1answer
65 views

QGIS Shapefile edited by multiple users

I have a Vector layer containing 36000+ line Objects with a large number of attributes that is currently saved as Shapefile on a server (local network). Multiple users access and edit this Layer ...
1
vote
1answer
44 views

CartoDB restricts uploading only up to 250 columns

I had developed an application using cartodb.js which transforms a csv file uploaded in cartodb database to geometries in map. The application works fine when there are 230 columns in csv file and the ...
1
vote
3answers
96 views

Openlayers 3 GeoJson save and load

I am interested in openlayers 3, and I want to build a site. Already I can load features from variable in Geojson environment and I can draw features. But I could not write a code for saving drawn ...
3
votes
1answer
39 views

Finding route by joining next points

I have points data, e.g. p1,p5,p3,p6,p7 are the points of road-A, while p2,p4,p8,p9 are point of road-B. In database (PostgreSQL) points are in p1,p2,p3,p4,p5,p6,p7... How can I make a route, by ...
1
vote
1answer
118 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 ...
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
1answer
49 views

Copying database view into an enterprise geodatabase?

Say I have DatabaseA, which isn't structured in a way that allows me to reference it as a geodatabase in ArcGIS. Fields have to be renamed, geometry added, etc. etc. Now, it seems to me that what I ...
2
votes
0answers
28 views

Attribute table update after v.split on GRASS GIS [duplicate]

So I just used v.split to create shorter segments (with just 2 vertices) of my contour lines. I was left with about 22000 lines but, when I open the attributes table, I find no more than 45 entry ...
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 ...
4
votes
4answers
4k views

How to display special characters German “ÄÜÖß” in a map?

I have a shape file with names for Regions. These don't seem to contain special characters but ugly hyroglyphes. What can I do do display them correctly. If I import the shape as UTF-8 it doesn't ...
7
votes
1answer
953 views

Imagery Database/Metadata Store

I'm a Remote Sensing PhD student, and as such I have a large number of satellite images that I'm working with. I'm starting to fail to keep track of them all and I have a lot of metadata that I want ...
2
votes
1answer
74 views

Visualize PostGIS 3D line geometry [closed]

I have PostGIS table with 2 geometries ( "GEOMETRY(MULTILINESTRINGZ)" and "GEOMETRY(LINESTRINGZ)" ). There are lines made just from 2 points - XY are WGS and both of them have random elevation Z (I ...
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
1answer
306 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.
-2
votes
1answer
57 views

How to Append data before saving polygon in Openlayers 2

I creat a new polygon but before saving i want to append some data such as polygon name , color etc. How can i do this ? I am using this function var SaveStrategy: new OpenLayers.Strategy.Save(); ...
3
votes
2answers
109 views

PostGIS database design: For polygon data

I am designing a spatial database using PostGIS. My main aim of this spatial database is to organize Administrative (250 polygon layer) and postal layers (154 layers) in a database. These layers ...
0
votes
0answers
43 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 ...
1
vote
2answers
3k 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 ...
2
votes
1answer
62 views

OSM update without loosing own additional data

I have added data (e.g. name keys) to my OSM PostgreSql database. How can I update my database without deleting or overwriting this data? In other words, how can I merge newer OSM data to my existing ...
1
vote
1answer
82 views

Cloud based database solution [closed]

I'm looking for a cloud based database solution where I can store about 1 GB worth of tabular data and both myself and my client can access to perform SQL queries. I'm looking for this database to ...
1
vote
1answer
60 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 ...
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 ...
1
vote
1answer
59 views

QGIS: multiple values in a single field of the attribute table

This is my first question on this site: it is probably already been exposed many times, but try to forgive me if I could not find it. Secondly, English is not my native language, I will try to be as ...
2
votes
1answer
255 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 ...
2
votes
1answer
529 views

Using ArcPy to get all database names within 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 ...
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
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 ...
14
votes
6answers
9k 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 ...