JavaScript Object Notation (JSON), is a lightweight, human-readable data interchange format.

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Geoserver not recognizing jsonb attribute in SQL view of PostGIS db

I have an instance of Geoserver 2.8.2 running and a PostGIS database. I am attempting to create a FeatureType based on an SQL view of the following table (viewed through psql \d): ...
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12 views

Login to private web app or web map with hard-coded credentials

I'm trying to log in to EITHER a private web map or web app with hard-coded credentials (or getting a token). Currently I have the code to get a token for a web app, through providing client_id and ...
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2answers
35 views

How to force ogr to treat JSON mapserver query as “Multiline” instead of “Line” geometry type?

I have a script that obtains feature data from a JSON output of an ArcGIS REST MapServer. At present my script treats the JSON data as a "LineString" Geometry type, but, the JSON data is in fact a "...
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1answer
34 views

How to set layers, scale, center automatically and default zoom based on JSON file config?

I want to know how i can init my OpenLayer 3 Configuring the Viewer by json file ( layers , scale , center and default zoom ) at the start of my application from a JSON configuration file ? My app....
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1answer
22 views

Setting names for attributes in properties in json returned by postgresql

I am trying to make a webmapping app that uses on the server side node.js and postgresql(PostGIS). what I am doing is retrieving data from the Postgresql database using node.js and sending the result ...
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17 views

ArcGIS Online - getting token through JSON

I'm new to using JSON and think I vaguely understand it. This may well be more of a Javascript question than a GIS-related one. Basically, I've got a map on ArcGIS Online and I'm looking at putting ...
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1answer
11 views

Geoserver buffer json input format

I am trying to execute a buffer operation using geoserver 2.8.3, but i'd rather use json than GML to send this request. Is it possible to perform an Execute operation this way? The describe process ...
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13 views

404 config.json error for server deployment of ArcGIS Web AppBuilder Application?

I am receving a 404 error that my config.json cannot be found, I have added the JSON mime type to my IIS configuration at the site and server levels and have restarted IIS. This error appears as so ...
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34 views

No 'Access-Control-Allow-Origin' header is present error when requesting json response from Geoserver

I am still working to get my GeoServer WFS displayed in my Leaflet map and cannot get the Ajax response to work properly. I have already run the "getFeature" request in my browser and it returned json ...
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1answer
57 views

Add GeoJSON layer to OpenLayers 3.16 from GeoServer

I try to be as simple as possible with my problem. It's just to display a json layer from my Geoserver on a OSM layer with a ol3.16 page. I take the example from this page: http://openlayers.org/en/...
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1answer
37 views

Trouble adding and populating field on the fly in ESRI feature layer

I'm trying to build a mashup consisting of a Census tiger web feature layer, and some JSON. I want to make a map of the feature layer, then add a new field to the layer, and populate from the JSON. ...
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1answer
40 views

ESRI Javascript - Dynamically Create Points from Non Spatialized JSON Using Lat/Longs

I am working on application that needs to make use of a non spatial data set. The data is maintained by the group responsible for the installation of the asset item and thus it makes sense to pull ...
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75 views

Using ogr2ogr in python?

I found this helpful post that got me started using ogr2ogr in python: Using ogr2ogr to convert GML to shapefile in Python? as well as this one: How to convert ArcGIS Server JSON to GeoJSON? I am ...
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1answer
27 views

Leaflet - MultiPolyline constructor and arrays in JSON

I am struggling with the AntPath Plugin ( link to GitHub ) for Leaflet and the documentation is limited and difficult to read. This setup works well(se code-snippet in the end), but instead I want to ...
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73 views

Dynamic column header in datatable from json array?

I want to populate datatable with dynamic column header and column data,i can populate dynamic column data successfully,but i cant achieve dynamic column .. I am using json array. My code is <...
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1answer
46 views

How to draw line/multiline, polygon/multipolygon with SharpMap from Coordinate Source

I have a list of n points, exactly x objects in GeoJSON from a CouchDB. I want to generate lines/multilines and polygons/mutipolygons with SharpMap and add this to a Layer in VB.NET. For points its ...
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1answer
23 views

Export csv-coordinates to JSON - square brackets [closed]

I´ve got multiple point-layers that I want to join in a single JSON-file used for webmapping. The layers is to be listed in column by column like this: [55.778659,12.151137 ], [55.77272358,12....
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1answer
69 views

Realtime in Leaflet with Socket.io

I'm trying to get events on the client side and showing changes (new markers) in realtime on a leaflet map with socket.io. The problem is in defining data that comes from socket.. I don't know the ...
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2answers
65 views

Create map using Leaflet and JSON

I have a question in order to developing a web app using dynamic maps with JSON files. I'm using Visual Studio 2015 with MVC 5. At this moment i have developed complete app but I'm unable to draw ...
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1answer
31 views

Retrieve all feature IDs displayed on the viewport into JSON using Leaflet

I have build a map application using leaflet, where I display a WMS layer from Geoserver. What I am trying to do now is to get all the elements which are currently on the Bounding Box and store them ...
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2answers
42 views

Saving array of objects in PostGIS field?

It is possible in PostGIS to save an array of objects in a field, and GeoServer able to read it? (timestamps) For example, a spatial table with the fields: "name", "timestamps" and "the_geom" would ...
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1answer
29 views

Is there a way to enable CSV or JSON output formats for MapServer WFS GetPropertyValue requests?

In a mapserver mapfile, it is possible to setup a variety of output formats for WFS GetFeature requests. However, it doesn't seem possible to do the same for a WFS GetPropertyValue request, which ...
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1answer
44 views

Openlayers GEOJSON

I'am trying to show some points. The coordinates are in the file 'test.json'. But they wouldn't show themselve so i suppose there is something wrong with the code? <!doctype html> <html lang=...
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1answer
91 views

Parsing and rendering JSON data in Java with GeoTools [closed]

I'm working on a Web Map Service written in Java and using the GeoTools library. My goal is to make the data parsing json format, so I'm using the form Unsupported GeoTools. This is the parsingJSON ...
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1answer
137 views

Filtering GeoJSON data to include in Leaflet map

I am trying to filter through my geojson polygons and get all data entries with a specific attribute. I have a layer of polygons describing parks around the city parks.json. I want the user to click ...
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1answer
62 views

Add a JSON feature class to a map using ArcGIS javascript API

I am a beginner in javascript and I am working on a project using the ArcGIS javascript API. Since I am using shapefiles, I need a way to put them on the map automatically after a procedure. I have ...
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1answer
282 views

Leaflet Routing Machine: how to export route details and coordinates in JSON / GeoJSON?

I need to export / save the route details found using Leaflet Routing Machine in JSON or GeoJSON format. I've tried to use var routeArray = new Array(); routeArray = control.getWaypoints(); alert (...
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1answer
131 views

OpenLayers 2, JSON vector through WFS

Consider this example, https://geoext.github.io/geoext2/examples/grid/feature-grid.html It uses protocol: new OpenLayers.Protocol.HTTP({ url: "../data/summits.json", ...
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1answer
42 views

Change marker within leaflet map when loading data from geojson file

This section of code adds markers to my map (it works), how can I change the marker to a different icon when dealing with geojson? var cycleracks = $.getJSON('cycle-racks.geojson', function (geojson) ...
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41 views

how to export selected data to json format

I have a layer called parsel. I want to export all history of this layer. I created parselall_view with history tables (A,D) , I want make a geoproccessing service that service all data of ...
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1answer
39 views

How to control polygon colour in hand-crafted Json for ArcGIS Desktop 10.3/10.4?

An app I'm developing needs to handcraft ESRI JSON to display simple polygons in ArcMap Desktop upon import. I want to specify color/transparency/outlining for the polygons in a layer and ideally ...
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1answer
81 views

Enabling or disabling WMS capabilities with python

I am trying to enable Feature Access for all of my services on an ArcGISServer with python. Below is my code. The variablejson is the Feature Access dictionary. How do I make the post targeting ...
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30 views

How to display GeoJSON from a URL with authentication in QGIS?

I know I can add a GeoJSON url via the Add vector layer ▶ Protocol ▶ GeoJSON. But I have a URL that requires a username/password. Is there anyway I can provide the username and password for the URL ...
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1answer
57 views

Converting json to geojson

I am writing a web service which in return gives json format data can anyone help me to convert this data into geojson format. { "STATE_ABBR": "AK", "file_name": "addresses", "AREA_WATER": "2....
2
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1answer
49 views

How can I load GeoJSON from URL to leaflet? [closed]

I want to use leaflet's L.GeoJSON to load the GeoJSON from my URL. I have tested to use leaflet-ajax plugin and it worked. The codes as follow: <link rel="stylesheet" href="http://cdn.leafletjs....
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1answer
96 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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2answers
167 views

ESRI JavaScript API - Add Layer using esriRequest Response

For various reasons I need to add layers to a map object using a response returned by an esriRequest to an ArcGIS Server. One reason being the data will change constantly and hard coding FeatureLayer ...
2
votes
1answer
142 views

Get a JSON return from a Overpass API call

From this call: https://www.overpass-api.de/api/xapi?node[highway=speed_camera][bbox=-5.708215989569187,43.46669501043081,-5.605835010430813,43.588927989569186] I'm trying to get a JSON return. ...
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1answer
103 views

set up transport modes osrm

I wondered if anyone could help. I have setup osrm on a spare computer it is running on Ubuntu 14. It works fine and I can query it using the default car setting for transport. I would like to be able ...
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36 views

osx terminal ogr2ogr batch covert .json to .kml

using osx El Capitan terminal This works fine one file at a time to convert .json to .kml ogr2ogr -f "KML" xxx.kml xxx.json I would like to do all files at once I have tried for %f in (*.json) do ...
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90 views

Zoom to x y coordinates in arcgis javascript api 3.15

I am using arcgis javascript Api 3.15 with ASP.NET and Ajax.I got json object contains only x and y coordinates. This object does not have geometry column. How can I zoom to this json object. Should I ...
2
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0answers
38 views

Identify Geographic features by clicking on published map (ArcGIS Server) [closed]

I have a published map on ArcGIS Server. My map is accessing traffic signals data from a table in PostgreSQL. I am trying to display feature properties by clicking on any traffic light. Solved!
2
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2answers
265 views

ArcGIS - Convert a Shapefile into JSON with coordinates

I have a shapefile and I would like to convert in ESRI Json with ArcGIS toolbox From feature to JSON. When i convert it I visualize x and y values in meters while I want latitude and longitude ...
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53 views

Using a file .shp with ESRI Geo Tools for Hadoop

I've a file .shp that I would like to load into a TABLE using HIVE with ESRI Geo Tool for Hadoop. These tools read JSON File and I've tried to convert my file into a .json format using GDAL Library ...
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33 views

Result of Export Web Map is empty?

I want to work with a layout in ArcGIS for Server. For that I am using Export Web Map with an empty web map as JSON. I am getting a result but it does not show anything because it is total empty.
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2answers
197 views

Format a specific GeoJSON file into the correct format

I want to use this json file it is no GeoJSON file yet but I noticed that it contains several Features and not one which I find confusing. I wanted to ask if you know some tool where I can merge all ...
0
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1answer
47 views

Getting different json response for the same data from different cartodb accounts

I am using cartoDB database and making a web application. I have a data in my database which you can view it from here and its public https://farook.cartodb.com/tables/entire_data. The response of the ...
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2answers
209 views

Appending Data to FeatureLayer in ArcGIS API for JavaScript?

I am working on a web app where I am making calls to a database api and it returns a JSON Object. I've managed to do so successfully as well as any manipulations that need be done. Is there a way to ...
0
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1answer
155 views

Getting a JSON response with requests and ArcGIS REST API

I'm performing a batch download from my AGOL account, and using the ESRI documentation export item I can export content to shapefiles. I would like to then download the newly created shapefiles. In ...
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0answers
41 views

FrameCloud Popups from json file in OpenLayers 2.13

So my problem is that i get only the last popup message from my json file. My marker builder works nice. Any thoughts will be helpful guys. Here is my code: function airports() { ...