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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SAGA GIS API ERROR (import saga_api)

I want to use saga api on my Idle with Python but I have problems. First I have Windows 10 64 bit, I install SAGA GIS via OSGeo4W64 64 bit, and I have Python 2.7.11 64 bit. I follow steps for the ...
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42 views

Free API or database for Continent, country, city, region/state?

Is there a database or API that can provide: Continent, country, city and region/state? It should also have the country codes in ISO format. It would also be great if if could all be in one file for ...
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20 views

How to get online the coordinates of result when search a region in Google Maps

I want to get online or by an API the coordinates of a polyline with the following format: { "type": "LineString", "coordinates": [ [-78.658805,-4.227355], [-78.659856,-4.228254], ...
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2answers
40 views

Latitude/Longitude to city and zip, batch convertion

I have ~10 mln lat/lon points, and I need to extract city and zip code from them. I can do this with OpenStreetMap using the Nominatim API (using something like ...
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2answers
184 views

Best-practices for databases and APIs with geographic data spanning the antimeridian

What is the best-practice for storing geographic features (lines, polygons and their multipart equivalents) when these features span the antimeridian (±180° longitude), and need to be sent to and ...
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1answer
17 views

Where can I find tower information

I want to find geolocation with GSM Cell information. The device I have can be able to send this data to me. Anyway, I need tower information to find locations and calculate triangulation. I tried ...
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1answer
126 views

Memory Leak when deleting a layer

I am working on a project based on QGIS API c++ 2.8.2 and qt4.8. I have two methods in a class, the first create a layer and add a point Here is the code for the creating: LibCartoError ...
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1answer
33 views

API provider for getting coordinates automatically?

I need to get the coordinates of some accommodations automatically (and not by extracting them manually from, e.g., Google Maps) and then import them in QGIS. I've already seen that TripAdvisor has an ...
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9 views

JavaScript API ArcGIS Combine Legend with On_Demand feature class query

I am having trouble adding a legend to my JavaScript code I have a basemap, scale bar, and a click on demand query info box for my feature class which displays the attribute fields but when I add the ...
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2answers
118 views

How to download sentinel products using the API

I want to be able to automate or batch download Sentinel data (in particular S2). I am trying to use the OData protocol as described in the Sentinels Scientific Data Hub user-guide on APIs and batch ...
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13 views

Using Google Maps API to dynamically display delivery-time zones?

I'm looking to replicate the functionality from the UPS Ground Map which will allow users to enter a zipcode, then dynamically show delivery times by region. I know I need travel times by state data ...
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1answer
19 views

Getting height data in XML of fixed points in The Netherlands

In Holland we use a tool offered by the government to get the height data based of NAP (Nieuw Amsterdams Peil), the tool works but it's kind of clunky and inefficient. ...
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2answers
25 views

Assigning variables into a API text string postgis

I am trying to assign values to variable in PostGIS. I have a API similar to: example I want to create a trigger that parse the x,y coordinates from my geometry column to a field containing the ...
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1answer
73 views

Alternative overpass api for OpenStreetmap locations query?

Currently i use the overpass api to query for "leisure=playground" ways and nodes to display them on a map in a webapp. The problem is, first of all its very slow (even with querys limited to a high ...
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40 views

GDAL c# API returned different WKT from gdalinfo

I've found completely different results in WKT strings while using gdalinfo utility and method from c# API GetProjectionRef(). In the first case the result was: PROJCS["WGS 84 / Pseudo-Mercator", ...
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28 views

Creating in panel TOC widget using Web AppBuilder for ArcGIS developer edition?

I'm trying to create a custom widget, in web AppBuilder for developers, for my web application that will be a TOC. Does anyone have a code already produced for this or know how to adapt code to do ...
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0answers
56 views

Use QGIS API on standalone python program without install the entire application

I developed a standalone python program that makes use of QGIS API to create .qml files from sld files. This is a small program of about 15 lines of code that imports the following modules and uses ...
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1answer
120 views

Export .qml file using QGIS API

Im loading a shapefile using the method QgsVectorLayer() and adding a style to it using the method loadSldStyle() and the path to the sld file. So far so good. What I want now is to export that style ...
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Is there a way to use the GDAL C++ API to find areas of overlap between two SAR images?

I have a bunch of SAR images (about 1 GB each) on which i need to do some image processing. Each image is georeferenced and there is significant overlap between each pair of images in the set ie. one ...
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1answer
16 views

Discovering gravimetric station data, including location and measurement?

I would like to refine an precision estimate of local gravity based upon current GPS position. Ideally, similar to the National Weather Service API, I would like to interrogate a server with a REST ...
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1answer
60 views

Cartdodb change public map in real-time with SQL query

I'm a data science student working on my capstone project. I'm new to CartoDB and have been playing around with their API a bit but can't seem to find what I'm looking for. I have created a public ...
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1answer
59 views

Getting nearest Hospital information by using MapQuest API

How to get a list of hospital details (with address) near by customer address using MapQuest? For example my address is : 1015 museum circle jacksonville FL Using 5-box address format KVP Request, I ...
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24 views

polylines between two locations over sea and not land

I have several thousand locations in a database, Location A travelling to Location B, New York to London, Paris to Buenos Aires. I'm trying to plot a path between two places only over sea. I'm not ...
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3answers
61 views

How to (programmatically) determine if a WMS endpoint belongs to a GeoServer?

Given a WMS endpoint URL (and the ability to make calls to it), what is a reliable way to work out whether it is a GeoServer, ArcGIS Server, or something else? The reason we want to know is due to ...
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1answer
21 views

Mapping WaterML data in cartodb

HI has anyone had success in mapping WaterML data in cartodb? (WaterML). I can't get it to work and not sure what I am doing wrong. I also used this tool to generate a REST URL but still couldn't get ...
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17 views

how to draw curved line in a qgsmapcanvas

i am working on a project with qt4.8.6, api c++ of qgis 2.8.2 we need to draw curved line in a vectorlayer by given 2 points and an offset by exemple is it possible to do that with the c++ api of ...
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1answer
78 views

How to map geoJSON polygon from a url request in python

Using Python I have loaded json data from the url http://environment.data.gov.uk/flood-monitoring/id/floods and have found that the flood areas encoded as geoJSON polygons are displayed as url links. ...
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31 views

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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32 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
26 views

Where can I find a list with beaches which include coordinates?

I use World Weather Online marine API to get wave height of different beaches. This API provide data by coordinates and I need a list with coordinates of beaches.
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1answer
16 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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21 views

Creating Interactive Web Map? [duplicate]

After a bit of help. I am looking at creating an interactive map for a website. There seem to be hundreds of different ways of approaching this. Wondering if anyones got any really good examples of a ...
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91 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
25 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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1answer
184 views

Where I can find API for Countries, States, Cities and airports

I'm looking for an API or data source (or multiple sources) that provide the following information: Countries Information: ISO code, Region, Capital, population, languages, currencies and climate. ...
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31 views

Possible to base GIS layers on results of calling API

Is it possible to call an API which returns spatial data as JSON, GML, XML for example and use it as as data source within QGIS or other GIS? I don't know enough about APIs to understand if I am ...
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1answer
30 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 ...
3
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1answer
74 views

Static maps API that serves roads/labels without basemap?

I am looking for a static maps API (similar to https://www.mapbox.com/developers/api/static/ ) that can serve the map without an underlying base layer. My intention is to generate images with the ...
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1answer
108 views

OSM server tiles and Overpass API

I'm a beginner in Openstreetmap, and I have some questions I didn't find answer yet. I created my own server tile through this tutorial: ...
2
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1answer
17 views

the renderering of mapcanvas is still active

i am working with qgis c++ api 2.8.2 and qt4.8.5 i want to disable the rendering during zoom in or zoom out fonction in order to have a fast zoom i try to use : MyMapCanvas->stopRendering(); ...
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1answer
25 views

problem with my zoomIn or ZoomOu

i am using qgis 2.8.2 and qt4.8.5 i have a problem when i call zoomIn or ZoomOut, the raster on canvas is reduce or zoomed but : - the raster size change - it disaprar - it appear again but 3 to 5 ...
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22 views

Is there a WebAPI to get latlong from PLSS Data?

I'm creating a Website, where users need to enter Principal, Township, Range & Section, and the map needs to be taken to that area. I have looked at the PLSS data here: ...
0
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1answer
70 views

OpenLayers 3 XYZ layer issues with OpenRailwayMap

Code with issue on Codepen - Having successfully integrated the OpenRailwayMap API into Leaflet, I wanted to use OpenLayers instead and followed the API instructions, but am getting an error: " Cannot ...
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2answers
49 views

Opensource Geocoding APIs

I am in need of a geocoding api to use in my application. I tried google maps api but it restricts 10 requests per second. The thing is place names will be there in my csv file and it should geocode ...
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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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175 views

Get all locations of Panoramio photos in a given extent

To create a visual quality heat map I'm trying to get a list of all Panoramio photos in an about 2000 Km2 wide study area. My idea is to perform a density analysis in GIS on a point shapefile ...
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11 views

Which GIS map server software to use? [duplicate]

I want to build a small GIS web application, but i am really confused over which GIS map server to use. I am not sure whether to build my own map server or there are any online services which allow me ...
4
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157 views

Twitter REST API missing geo-tagged tweets from Europe

I used twitter's REST API to get few thousands tweets from last two days. Everything went ok, but when I put tweets on the map, there is empty "box-like" area (no tweets for almost entire Europe - ...
3
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42 views

QGIS — Create and move point using external python in an offline environment [closed]

I'm pretty new to QGIS and GIS. I have an python application that get periodically position [lat,long,height] updates of several moving objects. The idea is that the existing application sends the ...
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1answer
39 views

How can I remove feature selection from my layeroverlay in mapguide API?

I can add feature to my layeroverlay on mapguide API, but I don't know how to remove it. Can you help me find a method to remove a feature from a selection ? This is how i add features to my layer : ...