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

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488 views

SQL-query should return GeoJSON FeatureCollection

I'm trying to return a GeoJSON FeatureCollection object from a SQL-query with PostgreSQL 9.3 and PostGIS 2.1. This is my query so far: SELECT row_to_json(fc) AS p FROM (SELECT 'FeatureCollection' ...
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0answers
21 views

Finding ESRI JSON polygon rings of all US states?

Is ESRI JSON polygon rings of all US states a pubicly available resource anywhere? I have a xml file with point coordinates that I was planing on writing a quick conversion script for, but I imagine ...
0
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1answer
164 views

Keeping Properties When Converting JSON to SHP

I'm trying to convert the Nielsen map of DMAs from a JSON to a shapefile. The properties of the json is as formatted like this: "id": 546, "properties": { "name": "dma:", ...
1
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2answers
265 views

IE8 problem with proj4.js

This problem is in IE8 and not in Firefox. My first problem was that IE8 don't support JSON natively and I get the "JSON is undefined". I solved this by including json2 or json3. Now JSON.parse (...
3
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1answer
3k views

Converting JSON to GeoJSON or CSV?

How do you convert a JSON file to a GeoJSON file or csv. I have a JSON file with lat lon information, but how can I can convert this file to GeoJSON or csv. I have found some online tools to convert ...
1
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1answer
129 views

Leaflet marker cluster from JSONP WFS + Popups

I'm fairly new to Leaflet and just managed to use Leaflet marker-cluster with a JSONP WFS which provides my data from Geoserver. Now I would like to have a popup for my markers by mouse click. But I ...
8
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4answers
5k 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
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1answer
2k views

D3 adding topojson - no data visible

Yesterday I asked what would be the best method of creating an overlay in a web map that would allow for some interactivity. Create interactive map with no server Thanks to a variety of people who ...
4
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3answers
4k views

GeoServer 2.4.1: How to use JSONP in a WFS request?

I've ready that I can enable JSONP by setting ENABLE_JSONP in web.xml: <context-param> <param-name>ENABLE_JSONP</param-name> <param-value>true</param-value> &...
0
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1answer
183 views

How to protect the loaded json file name and location using html5 and javascript?

The data of markers (not the map) is stored in a json/csv/js file. We want to show all data as markers on the map. But how to protect the raw data file from public access? Following the example on ...
6
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2answers
7k views

GeoJSON java library

I am creating a Java web service that receives GeoJSON. Does anyone know a java library to manage GeoJSON?
0
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0answers
56 views

Shapefile to ArcGIS JavaScript JSON format? [duplicate]

Possible Duplicate: How to convert SHP into GPX or JSON? We're in the proces of adding a new feature to our Web Application where we employ the use of ESRI's ArcGIS Javascript API alongside ...
2
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0answers
111 views

JSON Layer does not show when .setview Changes

I've set a Mapbox map with a geoJSON layer overlaying it. The problem is that with the default set values, the json layer shows up just fine. However, If I change the .setView too much, the json layer ...
9
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1answer
550 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 ...
1
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0answers
211 views

Plotting points on a map, the json objects retrieved from a database; using WebGL shader code

I am using an OSM dataset using which I am plotting those points on a map (google maps API). I am plotting these points using webgl shader code (see:  http://psousa.net/demos/webgl/) The above link ...
0
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1answer
167 views

cartodb display json into table

I am new to cartodb and i don't understand how to populate a bootstrap table with my json data retreived using sql.execute: sql.execute("SELECT sonde.the_geom,sonde.nom,sonde_data.time,sonde_data.cod,...
3
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1answer
689 views

Python encoding error in ArcPy

I am writing a JSON file, as string input, using python, into a .json file in the file system. However I am getting the following error sometimes and I don't know why. Any ideas? ...
0
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1answer
637 views

Converting JSON to GeoJSON MultiPoint using `ogr.CreateGeometryFromJSON`

I am trying to convert a JSON array to a geom in Python, by first converting it to a GeoJSON. I have point coordinates in a JSON array, [{'lat':100.0, 'lng':0.0},{'lat':101.0, 'lng':1.0'}] that ...
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1answer
2k views

How can I add markers and attributes contained in JSON data to an OpenLayers 3 vector layer?

My question is similar to a previous question I asked (How can I add attributes contained in JSON data to an OpenLayers popup?). However, since I originally asked this question, I have upgraded to ...
24
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9answers
18k 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 ...
0
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0answers
233 views

Using Terraformer to convert to WKT

I'm using Terraformer to parse some ArcGIS JSON into a Terraformer primitive. I'd like to store the geometry in PostGIS for other purposes. So I'm trying to use the WKT.convert tool to convert this ...
1
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0answers
737 views

Relationship between MS Access DB and Google Maps API/Fusion Tables

We are having an issue with a project that we are working on using Google API and M.S Access. Our project goal is to design a web map in Google API where we can select a parcel of land and have all of ...
3
votes
1answer
102 views

Data will not load into the popup using the Basic Viewer template for ArcGIS

I have downloaded the zip file for the Basic Map Viewer (https://github.com/Esri/Viewer) in ArcGIS and am trying to configure the layers to have popups. I've reviewed some of the code behind other ...
0
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0answers
174 views

How to store ArcGIS JSON feature into Oracle SDO Geometry database?

I'm developing in Java. I retrieve a JSON String from an ArcGIS Online Service Area service. I'd like to store the features returned in the JSON String into an Oracle (SDO Geometry) database. Is ...
2
votes
2answers
1k views

export map state as JSON: Web_Map_as_JSON

Is there a way to export the current map state as a JSON object, mostly named Web_Map_as_JSON. The JSON specification should be like this. In other words, it would be convenient to have a function ...
1
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0answers
484 views

Load Maperitive's tiles.json into HTML for getting bounding parameters

I've created a local tileset of a city in Maperitive, and a basic leaflet.js webpage to browse it offline. There's a tiles.json also created by Maperitives that has all the essential bounding and zoom ...
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3answers
2k views

Load external tileJSON file in Mapbox

I have tiles generated by Maperitive from an OSM file, and there's a nice tiles.json generated with them which specifies neatly the tiles-path, bounding box, minzoom, maxzoom, center, etc. The format ...
2
votes
1answer
533 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 ...
4
votes
2answers
2k 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") @Column(name="...
2
votes
3answers
607 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 ...
1
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1answer
141 views

create spatial data on the fly for a timeline application

I 'll need the support of the experts on this: Facts: Data are stored in a MySql db with no spatial data. instead there is a uri of gazetteer service which will return spatial data in json format. ...
1
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1answer
986 views

ArcGIS API Javascript - FeatureLayer from json: problem with queries and popup

Hello everybody I've tried this code proposed by Derek Swingley in JSFIDDLE: JSFIDDLE-FeatureLayer from JSON Everything "seems" to work fine, but not always. If you go down to the closer scale (level ...
1
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1answer
159 views

python script to retrieve names and scale range from an ArcGIS MapServer url

i am pretty new at ArcPy. i need to write a python script to retrieve names and scale range from an ArcGIS Map Service url. i had a look around json and url2lib but i am lost. I want to retrieve the ...
1
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0answers
235 views

Has anyone been able to programmatically generate and post web map definitions to ArcGIS Online and create web maps?

I'm using Python to build an ArcGIS Online web map definition JSON string, and then trying to post the configuration to ArcGIS Online to create a web map. I am using an admin account to generate the ...
1
vote
1answer
122 views

Data interoperability json refresh

I am using ArcGIS 10.2.2 with the data interoperability extension. I am also building a web app using python, django and django-rest-framework. I'm building a json api that i can add to arcmap using ...
4
votes
1answer
2k views

ArcGIS Web AppBuilder widget config?

I downloaded a webapp builder template (javascript) that I've placed on my own web server and is running fine. However, I am not able to modify the widgets in the config.json file to the settings ...
2
votes
1answer
748 views

OpenLayers removing/adding marker (airplane): update the orientation based on lat/long (next point in database)

The code below I have is working great. I'll try to explain it in a few lines (btw you can view it here http://codeshare.io/9Z1BE): -there's a marker on the map. The lat long is returned as json from ...
1
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0answers
290 views

Get ESRI JSON response locally from Arc document?

I'm trying to use the ArcGIS Flex SDK for a mobile app that will sometimes be used in environments with no connectivity. I've figured out that layers can be brought in locally by saving the JSON ...
5
votes
1answer
327 views

Conventions for returning GeoJSON via an API

I have a queryable API that returns one or more GeoJSON FeatureCollections. Currently the response looks something like this: { "success": { "data": { "layer1": {"type": "...
2
votes
0answers
121 views

How to create a JSON object in Geocortex to be used in Crystal Reports

Does anybody know if it's possible to convert a dataset containing unique ID's in Geocortex workflow to a JSON object so that it could be used in Crystal Reports? My knowledge of Geocortex is quite ...
1
vote
0answers
181 views

ArcGIS JavaScript manually render a layer with supplied JSON

Given the following JSON which is retrieved outside the ArcGIS/dojo framework, how would I go about rendering this layer? Thanks in advance! { "currentVersion": 10.01, "...
1
vote
1answer
182 views

Does arcpy have a tool for converting file geodatabase Table to JSON?

arcpy has: arcpy.FeaturesToJSON_conversion() which can handle feature layers, but what about file geodatabase tables? Not too hard to implement custom, but I want something with the same API as ...
0
votes
1answer
137 views

How can I load JSON into GRASS?

I have received rainfall data in JSON format. I want to load the data into GRASS. Sample JSON output: {"50.922759,-90.089954":{"current_conditions":{"air_temp":{"unit":"F","value":37.0},"...
3
votes
1answer
6k views

How to style specific polygons from a geojson with Leaflet

I have a World Countries geojson, that has country codes as "ID" (feature.id) and names as feature.properties.name I would like to color specific countries for making a "countries visited" map. ...
1
vote
1answer
1k views

List layer names from Map service using python

I am trying to get a list of layer names within our rest services for all services and folders. I have two codes that I am trying to put together and for some reason the layer code doesn't seen to ...
13
votes
1answer
6k 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 ...
0
votes
0answers
35 views

Unable to identify the colours on leaflet

var non_tfl_lines_JubileetoIlford = L.geoJson(non_tfl_lines_JubileetoIlford, { pointToLayer: function(feature, latlng) { switch (feature.geometry.type) { case 'LineString': return new L....
1
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0answers
180 views

Geoserver - Sometimes bounding box property is missing following CQL Filter - why?

Usually when I run a WFS Getfeature query on GeoServer and request JSON the results conform to this format: { "type":"FeatureCollection", "features": [..features here...], "crs":{"type":"EPSG", "...
2
votes
2answers
786 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
1answer
156 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 ...