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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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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90 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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173 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
577 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
256 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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159 views

Global Geo Api places

I'm looking for a global geoapi for the places. I see Facebook places, google places, simplegeo, factual etc... Why not create an API that includes all places? Free and easily accessible as ...
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1answer
15 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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26 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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47 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 ...
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15 views

Converting CAD to map tiles

My team is working on an application that has a map feature, and we want to extend this feature greatly. Among other things, we want the user to be able to load a CAD drawing, and place it on the map. ...
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31 views

What's the most detailed level of location can I get only by knowing the ZIP code?

I am looking at APIs to get location information from ZIP codes. So far the most detailed level of location I could get was Country --> State --> City. Does ZIP code also map to neighborhood / ...
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19 views

Using REST APIs and interactive maps

Are there any tutorials available showing how I can learn to harvest data from a REST API to an online interactive map? I am very new to the use of APIs so something pretty basic in the first instance ...
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56 views

Is there a web service to get the area of a city?

I'm looking for an api/service/db that contains the surface area of every city in the world. For example, http://en.wikipedia.org/wiki/London, the box on the right contains that information. I've ...
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38 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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33 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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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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124 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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46 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 ...
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37 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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61 views

How To Add a QgsSvgMarkerSymbolLayerV2 to VectorLayer in Qgis?

I'm using Qgis2.4.0 API to develop a C++ application. I want to add a svg symbol to a vector layer. Here is what I have already done: add vector, then add symbol. But I get stuck dong this. Here is my ...
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1answer
175 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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80 views

“US NED” OnEarth JPL NASA Tiled WMS working?

I am working on developing a computer software application that displays a 3D terrain based on the 30m elevation data for USA. I am using the OnEarth JPL NASA Tiled WMS for fetching the elevation ...
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35 views

Is the QGIS API suitable for my application

I am working on an Linux/QT application that includes a real-time map based display of multiple robotic vehicle positions, where the positions are derived from a variety of sources--some are GPS, ...
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1answer
200 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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169 views

How to use Javascript Esri map as GPS Tracking?

I have an android application that get the gps coordinates of the device and stores it in a remote mysql database. I want to use ajax to display the coordinates in a javascript api using esri. I just ...
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114 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 ...
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1k 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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56 views

How to hide features based selection using API for Silverlight?

my challenge is to, when i want to select feature on the map by the mouse the action must be zoom to the feature and all other features hidden in the same layer my application created by API for ...
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46 views

CartoDB - renamed table and changed API calls but still failing

I used the SQL API to make a new table with some data from an existing table. I also renamed all the API calls in my code to point to the new table. However, no point markers show up on my map now. ...
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162 views

overpass-api: data export into csv-formate

update; perhaps we can do this like so: to use Perl for text-mangling - so we can use the XML::Simple module. here's an example of a little script to parse your XML: see the Code: #!/usr/bin/perl ...
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35 views

Cross platform gis api wrapper architecture

I have a python class library for arcpy which is just a couple of class definitions with my common code attached as methods and properties so that I can do code centralization for stuff that I have ...
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1answer
76 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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62 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: ...
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1answer
61 views

Install plugins for qgis in centos

I followed the instructions here: How to install QGIS on Centos 6? If I run: QgsVectorLayer * vpoly = new QgsVectorLayer("Polygon", "pointbuffer", "memory"); QgsVectorDataProvider * provider = ...
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1answer
679 views

OSRM API - nearest point fed into routing

I am using the OSRM API to (1) determine the nearest point on a road segment from a give random point with http://server:5000/nearest?loc=_lat_,_lon_ The returned coordinates are used then as an ...
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113 views

Re-enabling a web service API call that has stopped working unexpectedly

so we have are running an instance of ArcGis Server, and have a handful of services running. These were set up by someone who is no longer working with the company. Some of them are built into ...
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50 views

What happened to the DynamicLayerModel in the Android API?

We were using the Dynamic Layer model from the Alpha API and well, we are updating our large codebase and can't seem to find the DynamicLayerModel. Can someone point to where this went or how to just ...
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255 views

How to Query Parks in GeoNames and Combine it With a Polygon Layer?

I run a hiking site and would like to get parks where you can at least have a nice walk. That means they should not be playgrounds, stadiums, and probably be bigger than 3 square city blocks at least. ...
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1answer
432 views

Geonames query for Alabama Cities does not bring two biggest cities

I have this query: http://api.geonames.org/search?featureCode=PPL&username=genadinik&country=US&style=full&adminCode1=AL&maxRows=100 Which brings back the top most populated ...
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1answer
95 views

Where to find QGIS API documentation?

Where to find QGIS API documentation? Can someone please share a QGIS API documentation link, i couldn't find it anywhere on the site. please help thanks
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42 views

Can't find QGIS C++ API header files

QGIS C++ API header files such as "qgsapplication.h" are not found anywhere on my file system. I have installed QGIS 2.8.1 on Linux Mint 17.1.