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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Use QGIS as API [closed]

I would like to develop a simple application to use raster and map from a server. Is it possible to use QGIS as API to display map and raster? I also know that QGIS use API and library like ...
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6answers
6k views

Google Earth plugin deprecated. Which alternatives?

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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1answer
52 views

Download US census data profiles?

US census summary file information is available on the census ftp server: ftp2.census.gov/acs2013_5yr but I can't seem to find the data profiles information anywhere. The only source appears to be ...
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1answer
88 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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0answers
108 views

KML Layer Watermark Removal

Hello right now I have a google maps page with KML Layers from multiple online resources. However all of these layers especially those from noaa have giant watermarks that take up large portions of my ...
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1answer
121 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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0answers
45 views

Getting the middle of a way over Overpass API

I´m trying to import several Ways and Nodes from the OSM. But i dont want to get the Ways as a way with different nodes, only the middle of the way. In my case, all ways are an area (Parks, Parking ...
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0answers
78 views

Geonames API database update

Last Thursday I created several places in Geonames (using the website UI). When I tried to retrieve these places using the API, I couldn't get them. In that moment I thought that perhaps the API ...
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1answer
70 views

How do I make my map use a set of coordinates

Right a little background. I've made a custom google map with the google map api which has a few functions that work well within it - one specifically is limiting the user on what they can view within ...
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1answer
222 views

Including WMTS Layer from API in Openlayers2

I´ve generated a map API from the GBIF data portal. It shows points from the country Mali. I included the API as a WMTS in Openlayers2, but I dont know how to change the xyz accordingly, so that my ...
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1answer
277 views

Conventions for returning GeoJSON via an API

I have a queryable API that returns one or more GeoJSON FeatureCollections. Currently the response looks something like this: { "success": { "data": { "layer1": {"type": ...
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0answers
38 views

Web Mapping SNMP polling and databases

I am doing a project that involves Web Mapping. The project involves having a simulated communications network for a wind turbine company. My project involves building a user front end to display ...
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0answers
31 views

Mapping API's which one to use [duplicate]

I am currently doing a project where I want to use some form of mapping API (Google maps or an open source alternative) that can show the location of simulated wind turbines across Ireland. I am ...
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61 views

Web mapping API popularity

Are there any online statistics for the popularity/usage of web mapping APIs? A diagram would be sufficient, if it can be published in a paper. I have only found one source: ...
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1answer
255 views

How to load a *.qgs file in a C++ QGIS standalone app?

I'm using QGIS-2.4.0 API to develop a standalone app by C++. I saved a test.qgs file in QGIS Desktop software, in the project, there was one layer and it was visible. Then I loaded the test.qgs ...
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0answers
164 views

Open a *.qgs project file in API, why maps do not show?

I'm using QGIS-2.4.0 API. I saved a test.qgs file in QGIS Desktop, in this project, there is one layer that is visible in it. Then I open the test.qgs project file in QGIS API to developing an App, ...
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0answers
48 views

Can QGIS generate a map that composed of several .shp maps?

I'm using QGIS-2.4.0 API to develop application. I need a map that composed of several vector layers. If only this, it can be done by merge in QGIS, but I need more for that: the map(or project?) I ...
2
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1answer
114 views

SVG Issues in QGIS API

I'm using QGIS-2.4.0 to developing an application. I created my own custom MapCanvasItem for showing SVG. It is great to load a SVG from symbol library that QGIS provides(such as d:\QGIS ...
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1answer
42 views

API to online map

I've had a search online and still a bit confused. Would someone be able to outline a summary of the basic configuration of exposing data to an online map from an API. The API supports a REST model ...
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0answers
27 views

Querying a shapefile and returning values?

I have a lot of experience making maps in ArcMap. I don't have much experience programming or working with APIs. Here's the (simple) problem: I create a shapefile of a region and then load the ...
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1answer
224 views

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 ...
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0answers
128 views

Loading KML WMS Network Link through Google Earth API

I'm trying to add a KML network link with the Google Earth API using the same function that I have used for regular KMLs and KMZs. Sources suggest to create a KML with a "Ground Overlay" to connect to ...
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1answer
21 views

Problem migrate 3.4 to 3.6 or upper JS API

I have a problem when I tried to migrate from 3.4 to 3.6 or upper. I can see the map but once all is loaded the page becomes blocked, also the web browser. I can put more information, because the ...
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1answer
84 views

How to change the color of vector layer of QGIS in api?

I'm using QGIS-2.4.0 api to develop app in C++. When I add a vector layer to the app, the vector map's color would be random. I used QgsFeatureRendererV2 to get the geometry type of the layer, my ...
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0answers
52 views

Is there an api for world terrain/biome data?

I'm looking for an api where I pass a lat/lng, and get "Desert" or "Mountains" or "Ocean" back. Just the general biome of the area. Most of what I've seen involves getting tiles back, so you can ...
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1answer
165 views

How to write a custom canvas item for SVG marker by subclassing QgsMapCanvasItem in QGIS?

I want to subclass QgsMapCanvasItem for SVG marker in QGIS, I looked up a similar topic in stackexchange and QGIS mailing list, I found that this is similar to mine, I did exactly what @Nathan W did. ...
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0answers
123 views

Can I use the Google Elevation API for academic research (licensing)?

I would like to use the Google Elevation API to generate about 5 elevation maps for master's degree research on aircraft collision avoidance. The data would be meshed and used in simulation to ...
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0answers
198 views

How to develop a real-time navigation App using QGIS API?

I want to develop a navigation application based on QGIS using C++, for live tracking. I think it is quite normal for GIS to do such things, especially QGIS as it is a very mature GIS platform. But ...
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0answers
126 views

How to create a svg item onto Map Canvas in QGIS API?

I'm working on a project with QGIS-2.4.0 API using C++. I need to load some svg files to the application for displaying as symbols. QGIS API has a class named QgsMapCanvasItem, which is an abstract ...
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0answers
22 views

Finding equivalent API-supported data to the 2000 Census

I'm having some difficulty choosing Census datasets for a project that involve various SES measures at the block-group level. I'll be looking at things like median household income and percentage of ...
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1answer
39 views

Linestring to CartoDB api

I want to add a linestring to a CartoDB API web app for one time use, I have SQL statement being ran at the same time and just want the linestring in the SQL statement to be displayed.
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1answer
160 views

APIs to render custom WMTS source

We have a custom WMTS source which we want to show on Android and iOS. What would be my options to do this using native APIs (so no Leaflet or Open Layers)? An ideal API not only shows the maps but ...
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1answer
66 views

Display linestring on Cartodb with SQL

I have a Cartodb api for a separate map, I need to display a linestring for each time the sql is run, but not store the linestring in the database.
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1answer
122 views

Use Ushahidi api in another map using openlayers

I have a ushahidi deployment and i am using Openlayers + ushahidi api to show the reports in a separate map along with other features. i have queried the data from ushahidi api and made a vector ...
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2answers
146 views

How to find variable names for SF1 Census files

I'm trying to to read the 2010 Census data so that I can link some of my research data to geographic information. Ideally I would like to use census tract data and other covariates. I've downloaded ...
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1answer
225 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
179 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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1answer
164 views

How to programmatically export a composition as image?

QGIS Print Composer has tool "Save As Image" and I found appropriate function in QGIS source code exportCompositionAsImage. Is it possible to get access to existing Print Composer from Python console ...
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3answers
844 views

Is there a API which return the geojson data for a 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 ...
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1answer
304 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 ...
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1answer
150 views

Programmatically set layer properties Python Init function

Is it possible to set the layer properties Python Init function field programmatically? I've been looking through the qgis 2.2 api but can't seem to find anything on it. Hint, suggestions and ...
2
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1answer
398 views

How to remove legends in cartoDB?

I am able to add and remove cartoDB layers over my google maps but after removing layer the legend stays . how to remove that legends ? here is code that i used ...
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0answers
2k views

Is there a way to calculate driving time/driving duration with google maps api without considering the traffic situation?

I am currently using this VBA-Code, written by Jamie Bull, to calculate both, driving distance, as well as driving duration, between approx. 1.500 villages and a specific shopping center, using excel. ...
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1answer
497 views

In cartodb, how can I insert a new row in a table via API?

We've discovered cartodb and we want to use it in our project, but in the API documentation we've only seen the sql.execute() method (docs) in order to insert a now row in a table. Is this the way to ...
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2answers
101 views

Need help with ArcMAP API to find coordinates of points in point shape file

I need to find some reference or even C#.Net example code of how to use the ArcMAP 10.2 programmers API. I have got a CSV file with X, Y and Elevation coordinates of soil samples and I want to write ...
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1answer
331 views

Web API for reverse geocoding geographic features

Is there a free web API that can reverse geocode geographic feature names? I'm currently using the Google API, which will return political and street address info, but I would like to return the names ...
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0answers
128 views

GDAL C/C++ API and filtered pyramid tile generation

I have been tasked with adding functionality to an existing C++ developed toolset whereby a source dataset (typically a single GeoTIFF) needs to be split into tiles at various resolutions ('zoom' ...
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1answer
89 views

How do I get a JSON list of all the visualizations in my CartoDB account?

I'd like to integrate all my CartoDB visualizations on a website, is there a way I can make a call and get them back as JSON?
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0answers
76 views

Custom infowindow exception in CartoDB

I'm building a runtime layer and til a couple of days ago my code was working. Since today it started giving me an exception that is causing subsequent code not to work. Uncaught ReferenceError: ...
2
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1answer
259 views

Cache geodjango query with bounding box filter

Im using geodjango (postgis) to retrieve points contained inside a bounding box (made by leafletjs), it works so nice, but now I want to cache this query. A tipical query is one like this: ...