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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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 ...
6
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1answer
163 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, ...
3
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1answer
374 views

Plotting multiple addresses with distance to specific POI

I'm not sure if this is the correct place for this question but here goes. I am getting ready to move to a different city. Right now I have about 80 houses to choose from. One of my parameters for ...
2
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1answer
60 views

Why aren't my basemap tiles showing up via ArcGIS Server

I have a leaflet js script referencing the ArcGIS server imagery api. The code worked fine up until about two days ago. Now when I click on the layer there's a gray background. I am using my local ...
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1answer
48 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 ...
1
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1answer
375 views

ArcGis Server Java script API error code 500 while using proxy.ashx on one particular server

I am looking for help with using proxy.ashx in Javascript API on one particular server at a client site. We have a GP service that the proxy is used to access (when request is more than 2048 ...
1
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1answer
38 views

Connecting a map to live data from Yahoo Finance

I have a vector world map and am trying to connect it to Yahoo Finance, Live, in such a way that: a) If a particular country's currency goes down, the map of that country will go RED and if it goes ...
1
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1answer
52 views

Communicate synchronously & continuously (coords, etc) from terminal to application-based mapping software such that updates are displayed live on map

I run a lot of spatial queries. Hundreds of thousands a week. While these things are running, it would be nice if I could see what (where, actually) my scripts are working with. Distance calculations, ...
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1answer
157 views

Geoserver api: how to determine a layers respective workspace?

I am using the geoserver api to find information about layers that are available. I am using: http://localhost/geoserver/rest/layers.json to get a dynamic list of all layers. If I then select a ...
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1answer
47 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
74 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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1answer
38 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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1answer
411 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 ...
3
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0answers
155 views

Where can I get free nautical route planner Data?

Please read - and understand - before closing; I do not yet have an answer. Thanks. I made a mistake. I phrased my original question so that it could be answered by recommending an application. It ...
3
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0answers
159 views

Closest set of points to another set of (predefined) points

I have 10 sets of points which I call templates that I have manually classified from 0 to 10. Each point is a X, Y coordinate in a text file. Each template has 5-8 points. I have new sets of points ...
3
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0answers
284 views

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've got ...
3
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0answers
263 views

GeoServer REST API: Creating Database Data Store does not persist password

I'm passing the XML created by the method below to a GeoServer REST API request that successfully creates a postGIS data store. However, password is not persisted. I have to update the password ...
3
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0answers
63 views

Is there an easy common gis abstraction available in .Net

Is there an easy common gis abstraction available in the .Net programming world that cuts the dependency to a concrete gis implementation, e.g. to the esri silverlight/wpf sdk. ... for example ...
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0answers
15 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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0answers
19 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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0answers
23 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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0answers
18 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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0answers
66 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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0answers
319 views

esri ArcGIS javascript api compatibility with Internet Explorer 7 and 8

I've developed a web map using esri arcgis javascript api version 3.8 and its not compatible with IE 7 or 8. I've advised the people who have reported this to update their version of IE but, if it ...
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0answers
506 views

What alternatives do I have for Directions API other than Google Maps and MapQuest?

I need an API, other than the two below that, given the starting point and possibly the ending point, will re-order a list of waypoints by the shortest, fastest or optimized route: Google Directions ...
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0answers
109 views

Write WKT/WKB to File Geodatabase using FGDB API

Is there a way to set the geometry of a row using either WKT or WKB with the File Geodatabase API? Is there any other way to write spatial data to the file gdb using the fgdb api without having to go ...
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0answers
60 views

Is there a “yellow pages” web service for Europe?

I need to put some European businesses on a map, but I only know the country of these businesses. I am looking for a way to obtain a lat/lon position or an address for each. What "yellow pages" web ...
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0answers
46 views

looking for places-api that exposes qualitative data/tags like 'trendy' or 'casual' for a place

I'm looking for places-api that exposes qualitative data/tags like 'trendy' or 'casual' for a place. I hoped Foursquare would give me this but I believe it doesn't. It would be great to have tags ...
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0answers
263 views

intersect two shape files using QGIS API

I am trying to automate a process of a shape file. We are using google maps engine and we have limitation on number vertices in a shape file. so I am using a grid to split the shape files. In GUI , I ...
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0answers
268 views

GeoServer REST API Timeout Error

I'm trying to upload a 20MB shapefile using the REST API, but gets a timeout error. I can upload smaller files without problems. I'd like to be able to upload a shapefile of any size without ...
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0answers
9 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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26 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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23 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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0answers
53 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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0answers
61 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 ...
0
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0answers
343 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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0answers
36 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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0answers
29 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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0answers
65 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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0answers
27 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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0answers
36 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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0answers
48 views

check if mapquest geocoding return no values

I use mapquest's geocoding api. I want to check if the request is sucessfull, but returned no data. I type vdfsbvdf54vdfd (just a silly string) in a form field and nothing happens. I expect an ...
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0answers
54 views

setSubsetString with limit?

I have a layer with couple thousands objects in QGIS and I would like to create a filter of the layer where result would be only one object. I would like to do it in console or plugin. I am using ...
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0answers
43 views

List of platforms-and-browsers that support the Google Earth Plugin

Is there an official up-to-date list of platforms-and-browsers that support the Google Earth Plugin? At Google Earth API Developer's Guide is The Google Earth Plugin is currently supported on the ...
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0answers
91 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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0answers
424 views

Requesting styled Google Map tiles via URL

I'm not working with the Google Maps API but I'd still like to be able to request styled map tiles. Is it possible to request a styled Google Map tile via a URL similar to the slippy map URL format ...
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0answers
47 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 code base and can't seem to find the DynamicLayerModel. Can someone point to where this went or how to ...
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0answers
230 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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0answers
23 views

What is the best technology stack to read in VPF data?

We currently have requirements to read in and display VPF data. My question is does anyone have any great products that they use for reading, and displaying vpf that can be used as an API rather than ...