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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Is there a default limit on concurrency in overpass-api?

I have setup overpass-api in my local machine (16gb ram,32 core,2399Mhz). I send 100 threads each with one request(data=[out:json];node%28around:10000,13.0894,80.2428%29[%27amenity%27];out%20count;), ...
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27 views

Nominatim does not respect countrycode

Possible duplicate I have a question about Nominatim, but the OSM forum currently does not accept new registrations... I want to limit my search results to a specific country, so I am using the ...
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1answer
14 views

pinchZoom with qgis 2.82 and qt

I am working with qgis 2.8.2 c++ api and qt4.8.5 in my project i had to implement the pinchzoom because i use a 27" touch screen i am looking for information on how to use the qgis lib with the qt ...
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76 views

Using historical imagery Google Maps API for Business

Is there a way using Google Maps API for Business to see historical aerial imagery, like you can in Google Earth Pro, with the slider bar they have at the top of GEP?
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1answer
22 views

Creation of buffer area of 20mtrs upon click event on the base layer

I have a base layer upon which i wish to import a kml with certain lat lons and create a buffer region of 20mtrs around any point upon click event. i got google api for the same but want openlayers ...
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27 views

options for using “identify” command with public api

Disclaimer: I'm new to GIS Goal: Create a report of how many customers we have in each senate district. Progress: I found this utility from the state of Missouri which allows me to search for an ...
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1answer
15 views

problem with qgsmaptoolpan

i am using the c++ api qgis 2.8.2 i have a strange problem when i want to use the pantool for my canvas i used this code : mpPanTool = new QgsMapToolPan((QgsMapCanvas*)mpMapCanvas); ...
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70 views

QGIS “project will be closed” signal

If there is a signal in QGIS emitted when a project is about to be closed (QGIS closing or some other project opening)? Want to programmatically save changes in layers if they are in edit mode.
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60 views

About performance of qgis with big layer or a lot of layer

does anyone has a feedback on the performance of a big layer by exemple : I have a layer with 100 features, each feature contains specifics attributes with dynamic data, the data change each second ...
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1answer
44 views

How to change programmatically the value of attribute in one of several feature in a vectorLayer

I have a vectorlayer that contains a lot of feature, I know that each feature has an unique Id Each of them has some propertie like coordinateX, coordinateY, color, name With a QTimer, each 2 sec I ...
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18 views

How to change the value tof the use tag in a svg file

I am working in C++/QT4.5 with the qgis c++ api 2.8.2 I have a svg file that contains different form tag by Id When i want the first form i place the id name in the use xlink:href="#formname" .... ...
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32 views

How to SetVisible a layer without redraw all the mapcanvas

I am working with QGis 2.8.2 API c++/ QT 4.5 I am displaying a lot of layer in a mapcanvas, I am looking for a method like setVisible(boolean ) in order to setvisible or not a specify layer ...
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37 views

VectoreLayer Still Empty even if attribute has been set with value

I am working with the qgis api c++ 2.8.2, my application is written in QT 4.5.3 / C++ I had to create a vectorlayer in memory with attributes and features and export it to a shp file to import it in ...
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45 views

How to write a test suite for QGIS standalone application

I have a rather simple QGIS standalone Python app (2.8.2, Windows 7/64), with some published methods to create different types of geometric primitives (rectangles, circles). class MyApp(QMainWindow, ...
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148 views

QGIS - Pop-up menu not displayed when right click on a layer in layer tree view

I'm developing a custom QGIS application using the QGIS API. I've been using the API provided with QGIS Brighton (Version 2.6.1) and have been developing the application in Python in a Windows 7 ...
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51 views

Wikimapia export all geoglyphs category in an area

I am creating a page with all geoglyphs in Peru. I am looking to download from different areas and upload to google maps, thus I need a kml file. Wikimapia seems to have quite a bit of these and I ...
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48 views

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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186 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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118 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
85 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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48 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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201 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
23 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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86 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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180 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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1answer
54 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
104 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
155 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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1answer
470 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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163 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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89 views

geoprocessing libraries for Google Maps [closed]

Are there any GeoProcessing libraries that I can use with Google Maps to get some more advanced features?
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1answer
1k 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 ...
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1answer
52 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 ...
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2k 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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209 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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68 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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2answers
331 views

How to create a suitable filtered .osm for osm2po using OpenStreetMap Overpass API?

I successfully created a (.osm) set suitable for routing in a desktop GIS over a large custom area thus keeping only primary network (way object) using the Overpass API (see below). I'm trying this ...
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19 views

upgrade from 1.3 to 3.3 javascript api for arcgis with jsviewer [duplicate]

I try to use jsviewer (v.1.0) in my application , but it doesn't work with JSAPI version uper than 1.3 . How can I work with both :jsviewer and the 3.3 JSAPI version? Thank you in advance
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431 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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873 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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1answer
476 views

GeoServer REST API Issue: PUT HTTP Method

I've the function below which creates or replaces an existing layer group: public bool AddToLayerGroup(string layerGroupName, string layerName) { try { ...
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371 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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4answers
1k views

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
272 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
304 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
415 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
108 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
400 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
275 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
405 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". ...