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

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13
votes
9answers
9k views

How to convert ArcGIS Server JSON to GeoJSON?

I'm creating a web map using Leaflet, and I want to be able to grab feature layers from our ArcServer. I have successfully been able to retrieve a feature class as JSON, but Esri's JSON objects don't ...
13
votes
2answers
2k views

How can I fix my complex Polygons so they show correctly in Google Maps?

Problem: I'm trying to find a way to fix some broken polygon shapes and I'm not sure how I can do this. Details: I've got a number of polygons which I basically imported from TIGERLINES a while ...
11
votes
3answers
2k views

Where can I find country borders data in human-readable format?

I'm trying to obtain some data representing the borders of all countries in the world. This data doesn't have to be very precise, it is to draw the countries on a computer screen. I did a bit of ...
11
votes
1answer
689 views

What is topojson and how is it different than geojson?

This is a conceptual question. What are the differences between these? and what are the pros and cons of these formats?
9
votes
1answer
3k views

How to display geoJSON from an URL in a layer?

I am looking for some type of plugin or code which would allow me to add a geojson URL, define the areas to input the lat/long variables from the visible Qgis canvas map and call/render the results ...
8
votes
2answers
3k views

ESRI JSON Polygon Ring Orientation

I am having a hard time finding any detailed documentation defining ESRI's JSON specs. I am hoping someone can shed some light on the following two questions. Similar to the GeoJSON spec, the first ...
8
votes
1answer
448 views

ESRI HTTP where query

A friend and I are currently creating a pretty straight forward LINQ to ESRI library that sends HTTP queries to an ArcGIS MapServer and then parses the JSON response appropriately. Everything is ...
7
votes
1answer
795 views

Geoserver GET request to the REST API without authentication

I am using Geoserver to serve a number of WMS layers. I am using jQuery's $.getJson('/geoserver/rest//featuretype.json') to programmatically populate a table with the available layers and their ...
7
votes
1answer
1k views

Adding Panoramio Photos To An OpenLayers Map

I have a pretty well integrated OpenLayers map that I want to add photos from the Panoramio API to. Unfortunately, it seems both API's are under documented on this subject. I found one great tutorial ...
6
votes
2answers
846 views

How do I deserialize GP Result Json?

The value part of a GP Result can be any type of GP object (or literal). Does anyone know of a general way to deserialize this, preferably with either WCF or Json.NET? I'd prefer not to have to ...
6
votes
1answer
214 views

GIS storage format for better performance - Android device

We have developed an android application which loads different eco-zones and does geo-fencing based on current GPS location. We have converted a shapefile to KML, then to JSON format, for loading in ...
5
votes
3answers
3k views

Slow IE8 responsiveness with OpenLayers and many features

Background Adding about 700 sites to an OpenLayers Map. Firefox 11 and Google Chrome display the sites just fine. IE8, which is the organization's standard and will not be upgraded for the ...
5
votes
6answers
446 views

Is anyone using JSONP in Web mapping applications to get around the browser same origin policy?

Javascript based Web mapping apps that use ajax requests to get data from a server are limited by the Same Origin Policy to only request the data from a server in the same domain (subdomain and port). ...
4
votes
2answers
1k views

Send Geometry to query using ArcGIS REST API

I am writing a windows console app in VS 2010 to perform an overlay using the ArcGIS Rest API. My first REST query returns information about the geometry for a specific feature. I then want to send ...
4
votes
2answers
3k views

How to send long JSON objects (polygon geometry, table rows) in POST request to Geoprocessing Service?

I am seeking to understand my options for sending long JSON objects in a request to a Geoprocessing Service. In particular, I am looking for some example code to illustrate how to include two long ...
4
votes
3answers
720 views

Converting ESRI Web Client JSON to Standard Feature Class With Python Geoprocessor

Is there a function exposed by ESRI's python geoprocessor that converts the JSON format used in the various web clients to a valid feature class. Clearly, the function exists because something is ...
4
votes
1answer
420 views

How to decode Google's proprietary latLon format for China?

This Google Maps link returns train stations in Shanghai, China. By appending '&output=js' it returns it in JSON format. I'm trying to decode the format Google uses for lat/lon: latlng:{ ...
4
votes
2answers
7k views

How do I serialize/deserialize .NET dictionary without key value elements?

I'm trying to get my C# class to serialize to a json that complies with GP Job, for example: { "jobId" : "jb10b153b77e74a839e31af53e5d4d0d1", "jobStatus" : "esriJobSucceeded", ...
3
votes
2answers
389 views

Problem with loading GeoJSON file in OpenLayers generated by PHP

I'm trying to read some geo-data from PostGIS database using PHP, creating a GeoJSON file and showing it on a base map using OpenLayers. The PHP code works just fine. The generated data in GeoJSON ...
3
votes
2answers
543 views

Unencoding JSON output from OSRM

I set up Open Source Routing Machine (OSRM). The documentation does a pretty good job of laying everything out and I was able to get a server set up and running on my machine. My question is about ...
3
votes
2answers
1k views

Getting json feature id on OpenLayers

I'm projecting some features using json format on OpenLayers. I need to get the id from the feature (not the OpenLayers' id but the one in the json file). The file looks something like this. ...
3
votes
2answers
243 views

how to search for a Point of MultiLineString geometry in a json file using OpenLayers

I have a json file with large geometries(MultiLineString), here I got a Point among the json layer(baseLayer). I would like to search for a Point's LineString in the layer, from which MultiLineString ...
3
votes
2answers
1k views

Is there a Web app for building GeoExt tree configurations?

I have a GeoExt application and looking for approaches for building tree configuration (in JSON format). Now tree configuration is made manually and looks like: var treeConfig = new ...
3
votes
1answer
666 views

Convert Sql Server Spatial data to GeoJSON & plot on map

I have a sql server table with Geo spatial data. An example of row would be (with Column names): type: streetline code: 231001 geog: 0xE6100000011 ........ Centroid 0xE61000000C....... geom: ...
3
votes
1answer
286 views

JSON format unavailable for GetFeatureInfo service

I have Geoserver 2.2.4 installed - which allows GetFeatureInfo to be returned as json If I make the following call ...
3
votes
2answers
746 views

How can I deserialize json to create an IRecordset?

I've got a Silverlight client that serializes a FeatureSet and sends to an SOE. I'd like for the SOE to deserialize the json into an IRecordSet. ESRI.ArcGIS.SOESupport.Conversion has a method for ...
3
votes
0answers
96 views

How to PGRoute from OpenLayers via PostGIS/PostgreSQL [duplicate]

I need to route a shortest distance for a map which I have loaded from a PostgreSQL by means of JSON file. I can project the map in my browser and I can identify the linestrings. For a particular ...
2
votes
1answer
67 views

arcpy.AsShape function returning RecordSet not Geometry

I have the following code: feature_geometry = arcpy.AsShape(json_string, esri_json=True) print feature_geometry print type(feature_geometry) >>><geoprocessing record set object object at ...
2
votes
1answer
57 views

How to transform JSON with field x,y to gdb in fme

I have JSON file with x,y field. I wonder how to transform geoemtry to gdb? Example of json: [ { "OBJECTID": "1", "x": "15", "y": "21" }, { "OBJECTID": "2", "x": "16", ...
2
votes
2answers
214 views

How can I convert esriMeters to Lat/Lng?

I am pulling a JSON list of features into a web page. The points come as esriMeters and the rest of my app uses Lat/Lng. How can I do this conversion in the browser (javascript)?
2
votes
1answer
219 views

Converting JSON/GeoJSON files to Shapefiles

I have a quick question please about converting JSON/GeoJSON files. I'm trying to convert some JSON files into something I know how to work with (shapefile, R objects or PostGIS). I'm afraid I have ...
2
votes
1answer
113 views

Which fields are standardized to describe a ShapeFiles feature?

I would like to store data into a database which is available here either as JSON or as ShapeFiles. The JSON looks something like this: { "type": "FeatureCollection", "features": [ { ...
2
votes
1answer
128 views

How to apply weight to Google heatmap?

I am trying to plot a Google heatmap based on the JSON objects returned. Here is my JavaScript: function getHeatMap() { heatLayer = new HeatmapLayer({ config: { "useLocalMaximum": true, ...
2
votes
2answers
634 views

json to shapefile in javascript

I know, there are some libraries to convert .shp to .json even with javascript, but haven't found a way to convert .json back into .shp that could be implemented in web enviroment. Do you know or ...
2
votes
1answer
690 views

Spatial Data from Postgis to Java/REST with RestEasy + Jackson

I'm developing an application where I take a route from google maps, save it in postgresql/postgis. I'd like to take this route (LineString geometry) and send it back to Google Maps. I already can ...
2
votes
1answer
97 views

leaflet marker-cluster JSONP geoserver

I hope I can get same help from here. I started to put together a leaflet map, please see here: http://gis.xyz/leaflet2.html I want to show my postgis point (uk based) features on this map with ...
2
votes
2answers
88 views

RESTful Geoprocessing Service Request returns empty Result object without errors

This is a bit difficult for anyone here to test as our ArcGIS Server 10.2 instance is behind a firewall. I'll try to present all the necessary information, but feel free to ask for more and I'll ...
2
votes
2answers
739 views

How to get JSON representation from JTS Geometry?

I'm using JTS (http://www.vividsolutions.com/jts/JTSHome.htm) and need to get a JSON representation of a Point : Hibernate beam: @Type(type = "org.hibernate.spatial.GeometryType") ...
2
votes
1answer
1k views

Looking for an API that will autocomplete adresses, and split them up into parts

I'm kinda new to the whole GIS thing, and found that is necessary for onw of my web apps. It's come to my attention that some people don't know what a proper physical address looks like, and so I'd ...
2
votes
3answers
233 views

Making tracking data available to Geoserver

I have tracking data from GPS, which gives latitude, longitude, heading, etc. Right now it's stored in a non-standard database (Accumulo) and I'm looking into how best to make the data available for ...
2
votes
2answers
867 views

ShapeFile or feature class to json

Is there any online or desktop based tool that can convert shapefile or feature class to json and not Geojson.Is there any tool in arcgis desktop to convert shapefile or featureclass into json.
2
votes
2answers
651 views

How to Merge/Join GeoJSON and JSON?

I want OSM administrative boundaries from http://global.mapit.mysociety.org/area/14455.html. I can get the geodata in different formats there, but the attribute data always is a separate JSON file. I ...
2
votes
2answers
2k views

'invalid parameters' on ArcGIS rest API used from Silverlight

I have an Silverlight application from which I'm trying to create new features to ArcGIS server. Every time I get error {\"error\":{\"code\":400,\"message\":\"Unable to complete ...
2
votes
1answer
578 views

Connect JSON to GeoExt Application

I am returning a JSON to a GeoExt app and this is the code that is collecting the return, var control = new OpenLayers.Control.Click({ trigger: function(evt) { ...
2
votes
1answer
405 views

How can I get SOESupport to handle Polymorphism?

I've got some business objects below that I can serialize and deserialize successfully with Json.NET. I don't see a simple way to do this with Esri's SOESupport however. I'm happy with Json.NET, but ...
2
votes
1answer
38 views

Posting UserCredentials with AsyncTask of ArcGIS for Android?

My problem is that I want to get JSON data from ArcGIS for Server For example: http://xxxx.com/arcgis/rest/services/Map/MapServer/legend?f=pjson I can get and read JSON data from this URL but if ...
2
votes
2answers
168 views

json to xml transformation with x2js

I am trying to transform a JSON object to XML, but i have somehow get stuck in jscript (not an expert). Here is the code: ... var GEOJSON_PARSER = new OpenLayers.Format.GeoJSON(); var ...
2
votes
0answers
755 views

Geoserver WFS get feature doesn't work - “SyntaxError: missing ; before statement”

I'm trying to use geoserver WFS json for creating vector layer (instead of using WMS) because this is a layer I redraw every 20 seconds. This is the code I use : function getJSON() { var ...
2
votes
0answers
171 views

Show geoJSON properties in jQuery Mobile Panel

First off I'm a novice at JS so please bear with me if this is a simple task to complete. I'm currently using the stock LeafletJS popup bubble to display the properties from my geoJSON. However, I ...
2
votes
0answers
223 views

R, GeoJSON and Leaflet

I recently learned about leafletjs.com from an R-Bloggers.com post. One such tutorial that I would like to achieve is to create interactive choropleth maps with leaflet. I have been using the rjson ...