Application programming interface (API). A set of interfaces, methods, protocols, and tools that application developers use to build or customize a software program.

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Unable to make infowindow work in CartoDB runtime layer

I'm trying to personalize a layer created with CartoDB. The layer is created at runtime and the problem is that I cannot make work even easy things like custom infowindow or legends or click ...
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1answer
281 views

I am looking for a library or API to do vector overlay for two map layer (shapefiles or GML files)

I need to perform vector overlay operation on any two map layers as ArcGIS and Grass GIS performs. I am wondering is there any API or library ( in C, C++ or Java) so that I can use that third party ...
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2answers
423 views

NOAA API data for past monthly mean Temperature and precipitation

I am trying to use the NOAA API to get data on monthly mean temperature and precipitation for the past 10 years. I wrote the following python code (the variable "token" in the code is the API token ...
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1answer
439 views

Using the API of QSpatiaLite plugin

I am using the popular QSpatiaLite plugin for QGIS. Since I am creating and modifying SpatiaLite tables directly with Python (using pyspatialite), I wonder whether I can automate tasks such as ...
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2answers
109 views

I am looking for a list of mapping libraries? [closed]

I am looking for the top APIs that I can use to display maps from a number of map servers/sources. (like openlayers and openscales). So are there any other popular APIs for other languages than ...
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1answer
417 views

Spatial Rendering using ArcGIS Restful APIs

Always when I read the documentation, I always hear the term Restful APIs and ArcGIS Server using Restful Service to render the mxd hosted on the server. I am a bit unclear about what exactly does ...
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1answer
36 views

API provider for getting coordinates automatically?

I need to get the coordinates of some accommodations automatically (and not by extracting them manually from, e.g., Google Maps) and then import them in QGIS. I've already seen that TripAdvisor has an ...
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1answer
292 views

What technology does google analytics use to show the map?

Does anyone know what technology is used by google analytics in the Geo location tab? It looks like a combination of image and vector. Is it WMS & WFS or something else?
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415 views

CartoDB create layer at runtime

I'm almost totally new to CartoDB. I've been looking around and read the api reference, but there seems not to be what I'm looking for. What I want to do is to "Create visualizations at runtime". ...
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29 views

Where can I find a list with beaches which include coordinates?

I use World Weather Online marine API to get wave height of different beaches. This API provide data by coordinates and I need a list with coordinates of beaches.
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120 views

OSM server tiles and Overpass API

I'm a beginner in Openstreetmap, and I have some questions I didn't find answer yet. I created my own server tile through this tutorial: https://switch2osm.org/serving-tiles/manually-building-a-tile-...
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1answer
84 views

OpenLayers 3 XYZ layer issues with OpenRailwayMap

Code with issue on Codepen - Having successfully integrated the OpenRailwayMap API into Leaflet, I wanted to use OpenLayers instead and followed the API instructions, but am getting an error: " Cannot ...
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78 views

Is there a Geonetwork API to create a user

I would like to build a bit of custom code around geonetwork where I want to reuse existing database from gn. For my usecase it would be nice if users could register on a custom site and then use the ...
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1answer
55 views

Problem with QgsCoordinateReferenceSystem

I would like to change the coordinatereferencesystem for my application I have this code : QgsMapRenderer* myRender = mapRenderer(); mQgsCoordinate = new QgsCoordinateReferenceSystem(myRender->...
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1answer
39 views

looking for documentation about exploiiting OSM file with c++ API

My application is written in QT4.6, i use the C++ API of QGIS 2.8.2 i had to read and display OpenStreetMap in my canvas in my application so, i am looking for some documentation or tutorial for ...
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1answer
28 views

Error during building an application c++ using api qgis 2.8

I have an apllication that need an object the object type is QgsSymbolV2 but i cannot do that : QgsSymbolV2 * lSymbol = new QgsSymbolV2(); because in the class qgssymbolv2 there is no constructor ...
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1answer
151 views

Can you use the US Census ACS Api with TIGER Shape File GEOID?

The US Census makes available the TIGER Shape files for geographic area like States, Counties, Tracts, etc. (https://www.census.gov/geo/maps-data/data/tiger-line.html). They also supply an api for ...
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1answer
255 views

CartoDB - can we overlay 2 visualizations

Suppose we make two map visualizations from a loaded polygon shapefile in the CartoDB free online system. Could we overlay these 2 maps on top of each other in a web page using the CartoDB.js API? ...
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1answer
344 views

Mapquest directions API in ArcGIS javascript webmap application

I'm trying to build a webmap application using the ArcGIS JavaScript API. A functionality I would like to include is driving directions from a current GPS location to a feature in my feature service. ...
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1answer
660 views

Geocortex Viewer: Running a Workflow with Arguments

I have a webpage with the Silverlight Geocortex Viewer embedded in it. Through the browser's developer console, I can run commands through it such as silverlightPlugin.Content.essentialsViewer....
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1answer
285 views

How can I extend L.mapbox.legendControl?

I'm trying to override legendControl.onAdd, but I can't seem to do it early enough. I can override the other functions, since they're fired after map init, but I can't seem to change the prototype? ...
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2answers
1k views

Cloudmade geocoding API: what are the volume limitations?

I'm trying to understand the TOS of the Cloudmade's Geocoding API, but it's not very clear. It says in section 6: use CloudMade APIs in a manner that exceeds request volumes that are set by ...
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2answers
310 views

What are the top best webmapping API clients? [duplicate]

Possible Duplicate: Comparison of JavaScript mapping libraries? I am looking for the top APIs that I can use to display maps from a number of map servers/sources. (like openlayers and ...
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25 views

Looking for a web service to return landcover/landuse data based on Long/Lat

I am looking for an web based API to get location data based on Latitude and Longitude that will return landcover/landuse feature data for a mobile app. It will preferably return the data in a json ...
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54 views

SAGA GIS API ERROR (import saga_api)

I want to use saga api on my Idle with Python but I have problems. First I have Windows 10 64 bit, I install SAGA GIS via OSGeo4W64 64 bit, and I have Python 2.7.11 64 bit. I follow steps for the ...
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21 views

How to get online the coordinates of result when search a region in Google Maps

I want to get online or by an API the coordinates of a polyline with the following format: { "type": "LineString", "coordinates": [ [-78.658805,-4.227355], [-78.659856,-4.228254], [-78....
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15 views

JavaScript API ArcGIS Combine Legend with On_Demand feature class query

I am having trouble adding a legend to my JavaScript code I have a basemap, scale bar, and a click on demand query info box for my feature class which displays the attribute fields but when I add the ...
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22 views

Creating Interactive Web Map? [duplicate]

After a bit of help. I am looking at creating an interactive map for a website. There seem to be hundreds of different ways of approaching this. Wondering if anyones got any really good examples of a ...
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31 views

Possible to base GIS layers on results of calling API

Is it possible to call an API which returns spatial data as JSON, GML, XML for example and use it as as data source within QGIS or other GIS? I don't know enough about APIs to understand if I am ...
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22 views

Is there a WebAPI to get latlong from PLSS Data?

I'm creating a Website, where users need to enter Principal, Township, Range & Section, and the map needs to be taken to that area. I have looked at the PLSS data here: http://www.geocommunicator....
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2answers
54 views

Opensource Geocoding APIs

I am in need of a geocoding api to use in my application. I tried Google maps api but it restricts 10 requests per second. The thing is place names will be there in my csv file and it should geocode ...
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11 views

Which GIS map server software to use? [duplicate]

I want to build a small GIS web application, but i am really confused over which GIS map server to use. I am not sure whether to build my own map server or there are any online services which allow me ...
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What GIS API is slaveryfootprint using for this survey question?

I was taking the slaveryfootprint.org survey, and their question 1 is awesome: http://slaveryfootprint.org//survey/#where_do_you_live You type in a city, and the svg map locates it. If it doesn't ...
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61 views

Public transport drive times in Europe/ Germany possible with Deutsche Bahn?

Background: There are many data sources for calculating drive times for driving, walking or cycling, for example Google Maps DistanceMatrix, ESRIS WebServices (no bicycle at the moment) etc. They all ...
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0answers
177 views

get latitude and longitude of each grid point in a grid with squared cells based on a given shapefile

I would like to draw a grid whose cells are all squared on a given shape file. The shape file has the information of U.S. map at zip code or county level. I need to create the squared grid (with a ...
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3answers
137 views

2 cartodb maps in 1 html page (with cartodb.js and API code)

I need to use 2 cartodb maps on the same html page. I've done many test, but I'm a newbie with javascript and I've not find any way. Below my code: for one map it works, for two it doesn't. Thanks! ...
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0answers
40 views

how to add vectorlayer in a mapcanvas with a raster

I am working in c++/qt4.8.5 with qgis api 2.8.2 For my application I had to load a raster in a mapcanvas, then with different action I had to add pint , line or polygon Is there a simply way to do ...
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0answers
75 views

Is there an open source API I can use to re-write javascript code for a web app that uses Esri's JS API?

Is there a way to "translate" Javascript code from a web app that depends on Esri's Javascript API into an Esri-independent web app? Also, can this be done if the app was built with Esri's Web App ...
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1answer
38 views

How can i catch clicked signal on a qgsmapcanvas

I am working under c++ with the qgis API 2.8 In order to make different operation on a canvas like personnalized rotation or selecting a region for zooming, I had to catch different signal like ...
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0answers
14 views

List of default attribute of a feature?

I am working with c++/!qt with the c++ api qgis 2.8.2 for a stand alone project application I had to change and add attribute for feature Does anyone know where i can find the default attribute of a ...
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0answers
15 views

How can I extract the latitude and longitude from a s57 File [duplicate]

I had to extract the longitude and latitude from a s57 file, in order to superpose a satelite view from the same point. These coordinate will allow me to get the exact position on google map by ...
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0answers
18 views

Problem on rendering categorizedSymbolRendererV2

Finally my code works but the renderering display just one color instead of 4 I don't know why, I follow the sample code of the snorf.net website and the sample code in the qgis python programming ...
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0answers
103 views

help for rendering s57 file

I am working on a specific project based on QT 4.5 and QGis API C++ 2.8.2 I have a S57 File, I want to load it, and render it into a canvas My canvas is created, the build and link is ok,no error, ...
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0answers
21 views

how can i change property of a symbol using qgis 2.8 c++ api

i have an application written in QT 4.6, and use the C++ API of QGIS the application will display the data of the s57 file in a MapCanvas i managed to read the file but how can i , for a specific ...
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0answers
128 views

google geocoding api usage restrictions and other free api options

I would like to use the google geocoding api to geocode a few thousand addresses. I understand the daily limit for a free account is 2,500. I want to retrieve the coordinates and then map them in ...
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1answer
91 views

CartoDB Update API

Im uploading a csv with the following command: (attached) curl -v -F file=@/var/www/html/map.csv "https://account.cartodb.com/api/v1/imports/?api_key={apiKey}" I had item_queue_id from the response ...
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1answer
256 views

Extract geometry from citygml data using citygml4j

I have a citygml file with some buildings. And I am trying to extract the geometry of the polygon in that building using the citygml4j library. I have looked at the FeatureWalker class but I am unable ...
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1answer
78 views

What packages are required to install C++ API on Linux Mint 17?

What packages are required to install C++ API on Linux Mint 17? I already have access to the Python API (installed via “python-qgis” package), but no C++.
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161 views

Implement Leaflet search box for 370,000 points stored in PostGIS served as raster tiles

I have built http://opentrees.org. It's a TileMill/PostGIS/Leaflet stack with raster tiles and UTFGrid interactivity. I'd like to add a search box, so users can search for a feature – trees in this ...