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

learn more… | top users | synonyms

0
votes
1answer
150 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 ...
2
votes
1answer
759 views

How to draw lines, dashed lines, routes and add images to the QGIS mapcanvas?

I need to draw a rectangle in a map canvas and inside it draw routed dashed lines and add small images to it. These actions are to be performed using the QGIS API. Is there any place with examples ...
4
votes
3answers
316 views

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 ...
2
votes
0answers
22 views

Cloudmade Web Maps API Geocoding Issue [duplicate]

Possible Duplicate: Cloudmade Web Maps API Marker Clustering problem I'm at Geocoding in Cloudmade Web Maps API. I've the code below. Whenever I try to access the page, content of elements ...
1
vote
1answer
660 views

sending a XAPI-Request to the API-Server - over http

pretty new to Geo-Informatics so do not bear with me if my questions sound like newbie-questions: can i do some requests on POIs of Openstreetmap with XAPI. doing like so: i send a request to the ...
3
votes
0answers
62 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 ...
1
vote
1answer
2k views

google maps API v.2 to v.3 conversion

I want to go from http://www.zolnai.ca/WMS/whereintheworldV2.htm to http://www.zolnai.ca/WMS/whereintheworldV3.htm I went through Gmaps API documentation on code.google.com And added the changes that ...
3
votes
4answers
3k views

Free api to reverse geocode latitude, longitude to census tract?

I have a bunch of latitude,longitude coordinates (mostly city/town centroids) in the United States for which I'd like to find the containing census tract. For instance, input => nn.nnn, -nn.nnn ...
2
votes
3answers
349 views

How to insert reversed map with Google Maps API?

Is there a way to put map with Google Maps API to a website, but upside down? North must be down, and south up. Is there any possible way to do it? I really need to put map that way and I need really ...
1
vote
1answer
662 views

How to add pins to my map?

Is there a way to add locations and info windows to my own map in .tif format? I'm using MySQL and PHP. Can I use Google Maps API pins but not their map? I thought I can put my georeferenced map ...
4
votes
1answer
287 views

How can I develop this kind of web map application?

I wonder can you tell me how is developed map application like on this site? http://www.streetdirectory.com What API is used?
0
votes
1answer
186 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 ...
0
votes
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 ...
3
votes
1answer
228 views

ESRI Silverlight API - KmlLayer with a Schema?

I have a KML file I'd like to load with the KmlLayer in my Silverlight application. The problem is that the markup seems more complicated than the class wants to handle. I have a element at the top ...
2
votes
1answer
239 views

Where are the raw data sources for all these maps?

Pretty straightforward question here. At an increasing rate I see crowd sourcing data being mapped to great effect. Where are the raw data sources for all these maps? I know they vary but I don't ...
8
votes
2answers
227 views

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 ...
6
votes
2answers
3k views

ArcGIS for Android API Example/Tutorials

I know that the ArcGIS API for Android is still in beta (I've joined the beta program), but I was curious if anyone had produced or discovered any examples/tutorials/cookbooks for the API. The Help ...
6
votes
1answer
1k views

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 ...
11
votes
8answers
2k views

What are the advantages of using Rails for a GIS/mapping application?

I've heard some good things about Rails, but I don't know much about it yet. There are only a few questions about Rails on GIS.SE (and there's not even a Rails tag). Is it worthwhile to learn about ...
2
votes
1answer
114 views

Is it possible to cancel a request for a KmlLayer, and load a different layer, before it is actually visible

Having asked for a google.maps.KmlLayer, and whilst waiting for it to load, is it possible to cancel the request? Calling layer.setMap(null); seems to causes an error if the layer is not yet visible. ...
0
votes
0answers
227 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. ...
2
votes
1answer
103 views

Is there any way to tell whether a park from GeoNames is small or big?

I have this query for parks in Alabama for example: http://api.geonames.org/search?featureCode=PRK&username=genadinik&country=US&style=full&adminCode1=AL&maxRows=100 But it ...
-3
votes
1answer
380 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 ...
2
votes
2answers
128 views

Can't get correct number of populated places for a place

I am trying to get a number of populated places for example for Andorra since it is a small number. Here is a geonames site with 10 places: http://www.geonames.org/AD/largest-cities-in-andorra.html ...
8
votes
1answer
548 views

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: ...
5
votes
1answer
498 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 ...
2
votes
2answers
2k views

Google Maps JS API v3 - Polygon formation

So my big question here is how does the Google Maps API determine the "inner" versus the "outer" for a filled polygon? Playing around with the polygon creator @ http://www.the-di-lab.com/polygon/ ...
1
vote
2answers
135 views

Why does GeoNames say there are only 73 parks in Mexico?

I did this GeoNames query http://api.geonames.org/search?featureCode=PRK&username=genadinik&country=MX&style=full&maxRows=10 and it says there are only 73 parks in all of Mexico. Am ...
0
votes
1answer
165 views

GeoNames query for Canadian parks is not working [duplicate]

Possible Duplicate: Geonames querying for parks in Puerto Rico or US Virgin Islands Hi, I am trying this query ...
3
votes
3answers
213 views

How to tell if a country has states and what the state codes are

With the help of this community I understood how to find country codes and query geoNames data based on that. What I am stuck on now is understanding how to break things down by state where needed. ...
4
votes
1answer
283 views

MapQuest License

I read the license of Geodata provider (facebook, foursquare...) but I don't understand what it means: LICENSE FROM YOU TO MAPQUEST. If you upload any data, feedback, ideas, suggestions, ...
1
vote
2answers
1k views

POI Datasets for North America

I use foursquare because it contains a lot of POIs. Which database do you use when you need a point of interest in North America?
4
votes
1answer
288 views

Facebook Place Api

Do you know if there are a requirements or restriction on Facebook Place API? Is it possible to download the data? Is it open-source?
1
vote
2answers
1k views

Online service to transform coordinates from WGS84 to NZTM and NZMG

Has anyone come across a free web service / REST API to transform coordinates? I'm particularly interested in transforming from WGS84 to: New Zealand Geodetic Datum 2000 (NZGD2000 / NZTM) and New ...
5
votes
7answers
2k views

What map source/API/tools are recommended to create Web GIS/Mapping application utilising Microsoft technologies?

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 ...
4
votes
3answers
590 views

Type of event dispatched when the user double-clicks the map

I am currently working with a drawing tool for the ESRI Flex API, and every time I double-click the mouse a map service will perform a measurement and display the length of the line that I am drawing. ...
3
votes
2answers
763 views

Measure the Length of a Line on a Map after a MOUSE_MOVE Event

One of the actions a user can perform using the ESRI Flex Viewer application is to draw a shape on a map (e.g. a line). Once the user is finished drawing the line, they will double-click the mouse ...
8
votes
2answers
650 views

Most suitable open source GIS platform

I'm looking for an open source GIS server or desktop package that supports as many file formats as possible, is fast, runs on Linux or Mac and can be controlled via an API. Planning to do very basic ...
116
votes
16answers
42k views

How do various JavaScript mapping libraries compare?

I am working on a web-based mapping system and I'm trying to figure out the best/most appropriate library to use. There are a few of them about and they each have pros and cons. Even after trying a ...
4
votes
2answers
2k views

JavaScript library to read data from a WFS server?

Is there a JavaScript library available to read data from a WFS server?
2
votes
1answer
2k views

Google Maps API v3 vs v2 (JavaScript): overlay problems

I have been using the Gmap API (v2) for dynamically displaying some data: oMap.map = new GMap2(document.getElementById("map")); oMap.geoXml = new ...
17
votes
4answers
4k views

What reliable GeoCoding service would you recommend me?

I'm looking for a web service providing a full address based on coordinates (and reverse). I'm ready to pay for that service. I don't want to use Google's API.
5
votes
1answer
260 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. ...
1
vote
1answer
713 views

How to access .shp file from local computer or some other server

Below is the code in which we can access a feature layer from ArcGIS sample server. queryTask = new ...
3
votes
2answers
1k views

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), ...
2
votes
1answer
1k views

Google maps API charset for http request ?? Geocoding Requests

im sending the following request to maps api but receiving the json response with chars problem. Can some one point me in the right direction to set charset correctly ? Request -- ...
4
votes
2answers
1k views

ESRI REST API clients?

So, if I implement the esri GeoServices REST API with a non-esri service, what clients can I use with it? We (GeoREST) were initially thinking that ArcGIS Explorer or other desktop clients would be ...
3
votes
1answer
1k views

show position on google map/earth, from gps data, using google API

For those that have used google's API for mapping (google maps/earth), I would like to know if is it possible to develop an application to receive NMEA data from a gps receiver, extract position, and ...
3
votes
2answers
5k views

OpenLayers and the legend

Is it a possibility in OL to add a legend (symbology) directly to (under) particular layer (not only switch on/off the layer)?
4
votes
1answer
780 views

Geo-Tagged 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: ...