Questions tagged [api]
Application programming interface (API). A set of interfaces, methods, protocols, and tools that application developers use to build or customize a software program.
440
questions
118
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8
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Choosing OpenLayers or Leaflet? [closed]
I was debating with one of my collegues on OpenLayers v/s Leaflet. I made a point that OpenLayers is much better API if we wish to build a project, where you need direct connectivity to the Geoserver ...
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32
votes
2
answers
2k
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Best-practices for databases and APIs with geographic data spanning the antimeridian [closed]
What is the best-practice for storing geographic features (lines, polygons and their multipart equivalents) when these features span the antimeridian (±180° longitude), and need to be sent to and ...
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27
votes
7
answers
15k
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Geocoding APIs comparison
Is there a good updated source for comparing existing Geocoding APIs (i.e. Google, MapQuest) and their features?
I'm really interested in their language support as well. For example, Google has ...
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15
votes
6
answers
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Google Earth plugin deprecated. Which alternatives? [closed]
I've got a costumer of mine asking for an integration of the Google Earth Plugin to his website.
From Google earth Plugin site I read this:
Google Earth Plugin API has been deprecated as of ...
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12
votes
3
answers
11k
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Downloading sentinel products using API?
I want to be able to automate or batch download Sentinel data (in particular S2).
I am trying to use the OData protocol as described in the Sentinels Scientific Data Hub user-guide on APIs and batch ...
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11
votes
2
answers
1k
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Designing an API for spatial data
I am considering trying to make an API so that I can make some spatial datasets available to colleagues for analysis.
Part of my work has been to analyze and prepare data which can then be used for ...
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10
votes
6
answers
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Is it possible to get OSM data in geojson via overpass api using ipython?
I am looking for a solution that works with the overpass api.
for example:
http://overpass-api.de/api/interpreter?data=[out:geojson];area(3600225494);(node(area)[%22amenity%22~%22theatre|cinema|...
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10
votes
1
answer
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What is ArcSDE API used for?
To create applications that manipulate ArcObjects there is the VBA and Java runtimes.
To create application that process data with ArcToolbox tools, there is ArcPy for Python.
Today, I discovered ...
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9
votes
1
answer
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How to obtain openstreet API key for nominatim (r)?
I wanted to use r package nominatim for my program written in R.
I tried to run very simple example osm_search('Cracow University of Economics'), however I got the following error:
Please provide a ...
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8
votes
1
answer
3k
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Export .qml file using QGIS API
Im loading a shapefile using the method QgsVectorLayer() and adding a style to it using the method loadSldStyle() and the path to the sld file. So far so good.
What I want now is to export that style ...
- 335
8
votes
1
answer
740
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Custom panning using ArcGIS Engine
Due to some constraints, that I will not go into, I have found myself needing to implement custom panning in my application.
The ArcGIS API reference suggests using the following methods:
...
- 275
7
votes
4
answers
10k
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Representing Time in GeoJSON?
I'm modelling a bus route as a series of waypoints. Most of these waypoints have just a latitude and a longitude and represent points along a road. However, when the bus gets to a bus stop, the ...
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7
votes
1
answer
2k
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How to get layer variables using QGIS Python APIs?
How can I access the layer variables defined by the user from QGIS Python APIs?
7
votes
3
answers
3k
views
Seeking API to return GeoJSON data for countries borders?
Is there a simple free REST API where I can send the name or code of a country and get in return geojson data which highlights it's borders ?
I'm writing an application where I will have a changing ...
- 173
7
votes
2
answers
413
views
Load third-party APIs only when the corresponding map layer is requested?
OpenLayers allows multiple map layers to be hosted on a common platform. If the map application supports a wide variety of maps, say from Google, Yahoo and Microsoft, I find that upon initialization, ...
6
votes
2
answers
1k
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Where should I add the API key in ORS Tools?
I want to make an isochrone for my halte and station points. But I have to configure ORS Tools with my API key. The problem is, I can't find any configuration button in my ORS Tools plugin.
How should ...
- 63
6
votes
2
answers
8k
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GeoServer WMS, WFS and REST difference
I am new at GeoServer. I connected to database from admin panel and published layers. But I could not understand difference of WMS, WFS and REST service.
What is the difference?
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6
votes
1
answer
3k
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Add a OpenStreetMaps road data layer on Google Maps API v3
I've successfully embedded a Google Maps API v3 map on my site, and added OpenStreetMaps (OSM) as the base layer. Is it possible to use Google's tiles as the base layer, and then overlay street data ...
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6
votes
3
answers
9k
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Need to get distance matrix for large set of points on-the-fly [closed]
I do not know much about GIS and I do not know much of the jargon. Hopefully you can help me a bit here because I am really unaware of the services and software available.
My problem is as follows: ...
- 161
6
votes
1
answer
9k
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API for Real Time World Statistics
Does anyone know of an API (preferably free) that can provide real time world statistics such as Crude Birth Rate, Crude Death Rate, world/country population, or emails sent today as on the website ...
- 163
6
votes
1
answer
297
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What is the relationship between layer attributes and fields in QGIS
I have just spent several frustrating hours because I was searching the api docs for stuff on attributes when I should have been looking for fields.
Can someone please explain what the difference ...
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6
votes
1
answer
563
views
Memory Leak when deleting a layer
I am working on a project based on QGIS API c++ 2.8.2 and qt4.8.
I have two methods in a class, the first create a layer and add a point
Here is the code for the creating:
LibCartoError CMyQgsS57::...
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6
votes
1
answer
2k
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How to download GeoTIFFs using the REST API in GeoServer 2.2?
I am using GeoServer (Version 2.2 Git Revision f5b5c35076b52d02eb9cca3fa3232bc17b5f6d80 Build Date 19-Sep-2012 18:33 GeoTools Version 8.2 (rev 704570474295e339c08d1ca140d884f23a8a03a3)) and I have a ...
- 161
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votes
2
answers
5k
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JavaScript library to read data from a WFS server?
Is there a JavaScript library available to read data from a WFS server?
- 201
5
votes
3
answers
5k
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Implementing Add Feature action using PyQGIS
I'm trying to implement / reuse Add Feature functionality in my python plugin. there a class/function that handles geometry creation on canvas based on layer geometry definition? I'm checking API but ...
- 521
5
votes
3
answers
860
views
How to simulate google maps user experience
I’m not familiar so much with GIS applications and libraries. There is something that I would like to know if it’s possible or not.
We are using ESRI suite of products as our GIS infrastructure. We ...
- 61
5
votes
3
answers
26k
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Add an API key to QGIS for QOSM layer
Could someone let me know how I add a API key to QGIS 2.14.10. The diagonal API key required is still on my map layer. Bit of a novice on QGIS.
- 171
5
votes
2
answers
7k
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GDAL C++ API: How to create PNG or JPEG from scratch
I'm new to GIS and GDAL. My question probably is very basic, but I couldn't find answer. May be I don't understand GDAL ideology.
I need to create raster images from scratch, for example, JPEG or PNG....
- 123
5
votes
1
answer
9k
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How to download all OSM data within a boundingbox with Overpass?
Is it possible to download openstreetmap by direct link through http://overpass-turbo.eu without removing any data?
Basically I am trying to download the openstreetmap data with defined boundaries in ...
- 1,127
5
votes
1
answer
338
views
When is it better to use 64 bit File GDB access?
The beta 2 release File Geodatabase API includes 64 bit support.
Esri says arcobjects is still the "preferred" method to interact with the file gdb. However, arcobjects has no 64 bit support.
...
- 25.7k
5
votes
1
answer
852
views
Determining ESRI File Geodatabase release version?
Is there any method in Python, ArcObjects, or the File GDB API for determining the release version (9.3, 10.0, etc.) of a file geodatabase? There is a need to find all of our shared 10.0 version file ...
- 35.7k
5
votes
2
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Is there a public API that can be accessed with Python and will geocode Points of Interests?
I recently downloaded tagged hospital data from OpenStreetMaps.org using the API. Some of the data have a 'node' tag which are attributed with a lat/long while other data are tagged as 'way' format ...
- 173
5
votes
3
answers
11k
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Seeking route calculation service to get route between several points?
I need a routing service with an API callable from a web or desktop application.
I have several points: a start, an end, and intermediate points in the disorder. I expect the routing service to send ...
- 883
5
votes
1
answer
410
views
Improving buffer smoothness using PyQGIS?
I am trying to automate buffering of objects in QGIS using Python. The function below using QgsGeometryAnalyzer works but the output is blocky. I understand that the smoothness of the buffer edge can ...
- 145
5
votes
1
answer
581
views
How to refresh layers independently?
I'm writing a C++ application using QGIS API and I would like to improve the performance.
I want to render 5 layers:
one raster layer using gdal to load Bing/Google Map tiles
4 custom QgsMapLayer (...
- 78
5
votes
1
answer
2k
views
Geotagged tweets and Twitter API
When I do a timeline query using the Twitter API,
http://api.twitter.com/1/statuses/user_timeline.xml?screen_name=MyTwitterName
the geographic component of the reply looks like this:
<geo>&...
- 13.1k
5
votes
1
answer
94
views
Cartodb API Read Only
Is it possible to generate an API-key in Cartodb with read-only permission?
Seems like the default API-key has full controll
- 101
5
votes
0
answers
87
views
Create isochrone along a given road
I want to solve this problem :
given a departure point
given an arrival point
given an amount of time
In which areas can I go while coming from departure to destination in the given amoint of time?
...
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5
votes
0
answers
2k
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Add an API key to QGIS
I can't seem to get this (Add an API key to QGIS for QOSM layer) to work.
I need to add an API key to QGIS for OpenCycleMap. I'm trying to follow the path Web > OpenLayer plugin > OSM/...
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4
votes
3
answers
8k
views
Ways to extract DEM for urban areas using Google Maps?
Is Google maps' elevation API suitable to obtain the high resolution elevation data for areas that have 3D building such as Manhattan? Would the API for example yield a significant different value on ...
- 3,245
4
votes
3
answers
3k
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Download MODIS/MCD19A2 AOD product with R
I'm looking for a programmatic way to download MODIS/MCD19A2 AOD data in R. So far, I've found a pretty solid R package called MODISTools that works nicely with the MODIS/VIIRS RESTful API. However, ...
- 312
4
votes
2
answers
4k
views
Programmatically creating and publishing GeoTIFF layer in GeoServer
We need to automate process of creating datastore and publishing GeoTIFF layer. Also, before publishing we need to change Declared SRS and to save Native Bounding Box to our database.
GeoTIFF file ...
- 461
4
votes
1
answer
620
views
How is StreetDirectory.com web map application developed?
I wonder can you tell me how is developed map application like on this site? http://www.streetdirectory.com
What API is used?
- 5,028
4
votes
1
answer
427
views
EPSG.io API for PROJ definitions
I am trying to use the EPSG.io API to retrieve PROJ definitions for a CRS. I know that they provide them in their website but the API only seems to be able to retrieve in WKT or GML format. Is there a ...
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4
votes
1
answer
579
views
What are the differences between a WFS and a simple API? [closed]
So I have worked with OSM in the past and have been really happy with the API of Overpass turbo. Now I want to integrate some other data and that one is provided via WFS.
Why is some geodata offered ...
- 932
4
votes
3
answers
6k
views
How to export a shapefile through the Wikimapia API?
I am trying to download a kml file from Wikimapia containing information on quaters (districts), the very same information that is nicely available on Wikimapia. What I want to get at the end of the ...
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4
votes
1
answer
504
views
Usage policy on the Facebook Place API
Do you know if there are requirements or restrictions on Facebook Place API?
Is it possible to download the data? Is it open-source?
user3120
4
votes
2
answers
4k
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Working With Vector Product Format (VPF) - APIs, etc
I've been looking around the Internet for information about Vector Product Format. I want to put together a project that can read Digital Nautical Chart (http://msi.nga.mil/NGAPortal/DNC.portal), ...
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4
votes
4
answers
2k
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API to suggest nearby streets
For an app I'm developing, I want to use the phone's GPS to locate it. I then want it to list streets that are nearby. The customer might be in his back garden for example, and this may be closer to ...
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4
votes
6
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3k
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What map source/API/tools are recommended to create Web GIS/Mapping application utilising Microsoft technologies? [closed]
I'm researching about technologies (around Microsoft tech) to create mapping application and would like to have advice/suggestions.
Brief requirement to build mapping application with Microsoft ...
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