Questions tagged [json]
JavaScript Object Notation (JSON), is a lightweight, human-readable data interchange format.
435
questions
0
votes
0answers
13 views
Getting a KML file from embedded Google map
I need to get the coordinates for the markers on this map at the website :
https://www.evm.co.il/%D7%9E%D7%A4%D7%AA-%D7%A2%D7%9E%D7%93%D7%95%D7%AA-%D7%98%D7%A2%D7%99%D7%A0%D7%94-%D7%9C%D7%A8%D7%9B%D7%...
0
votes
0answers
17 views
Strange `path` data in ArcGIS JSON response
Our local government runs a MapServer with geo data about the county land, property parcels and such. They provide this data as a bulk download, but some layers are missing. I decided to extract a ...
1
vote
0answers
19 views
Loading JSON with image link and extents into ArcGIS Pro
One of the ways to get data from ArcGIS REST API in image format is this.
https://services.twdb.texas.gov/arcgis/rest/services/Base/BaseLayerQueryService/MapServer/export?bbox=-11360770.018835%...
2
votes
0answers
26 views
Load GeoJSON file into GeoDjango database
I am trying to load a GeoJSON file into my database (django.contrib.gis.db.backends.postgis) without success.
models.py
class Node(models.Model):
network = models.ForeignKey(RoadNetwork, ...
0
votes
1answer
30 views
Python: Converted JSON to GeoJSON format (rfc7946) is in Coordinate system WGS84 but has to be Lambert72
I have some code to convert a JSON object requested from an API to a GeoJSON object based on the standard rfc7946. You see the data requested from the API was not actually a GeoJSON formated so I had ...
0
votes
1answer
26 views
Show sensor node location in QGIS MapCanvas
I have a Postgres db storaging data from a mobile sensor node, and want to show the location in a QGIS MapCanvas.
Data is in a column in a jsonb format (Location and temperature).
I'm trying to use a ...
0
votes
0answers
36 views
How to identify correct key_on parameter from JSON file for Folium Choropeth
I'm trying to make a Folium Choropleth map. But I'm stuck for long time on completing it. My map shows boundaries correctly, even shows legend correctly but the map is not filled with choropleth ...
0
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0answers
10 views
LineString JSON load with timedimension
I am trying to load geojson data with timedimension plugin as shown here with difference I am loading line objects. This is what I did:
var timeSeriesGeoJSON =
{
"features": [{ "...
1
vote
1answer
31 views
Defining zoom on tileset extents using CesiumJS
I work on windows 10 with Cesium 1.72.
NodeJS and Cesium work well.
I succeed in adding a tileset format3D tiles (Meshs + associated texture).
However, I would like to define a zoom on my tileset ...
0
votes
0answers
21 views
Problems using the QGIS Db Manager and accessing a PostGIS file with a JSON field content to plot up JSON attribute content
Using the QGIS (Madiera) Db Manager window and accessing a PostGIS file to try and plot up some of the JSON file content on to an existing QGIS basemap. I am not a QGIS (or GIS) superuser!
I have ...
1
vote
0answers
32 views
Web GIS with NetCDF data
I have NetCDF data and am trying to transform this into JSON, using Python, to then use in a web sig (NCWMS server).
By transforming this into JSON, could I display this same data dynamically (with ...
0
votes
0answers
40 views
Choosing coordinate reference systems for esriGeometryPolygon in GeoPandas
I extracted a layer of parcel
Geometry Type: esriGeometryPolygon
and save as JSON, this is a fragment of one row of this JSON:
{
"attributes": {
"OBJECTID": 171195,
&...
0
votes
1answer
21 views
Return geocode information with Carto
I'm using the Carto API for a few functions and I'm looking for a way to return geocoded information similar to how Google does it here. With Google, you make a call with the Address like: https://...
0
votes
0answers
11 views
CSV with geometry column in JSON format to GeoDataFrame [duplicate]
I have a csv, that I want to open as a GPD, the problem is the geometry column "geo_shape"
I want to convert that column to the proper geometry format, could you help me?
The link to the ...
0
votes
2answers
56 views
GeoJSON Datastore and GeoServer
I found a way that should allow to use (Geo-)JSON flies with GeoServer: An unsupported GeoTools GeoJSON Datastore (thanks to this answer)
Here is a link to the jar: https://mvnrepository.com/artifact/...
0
votes
1answer
41 views
Using large data JSON file in Leaflet markercluster [closed]
I want to show the JSON file consisting of many points on the map using the leaflet marker cluster plugin.
My JSON file looks like:
[
{
"json_featuretype" : "Output",
"...
0
votes
1answer
24 views
FME Desktop - json Extractor Transformer Error
I have a workbench which takes a JSON file and uses the following transformers to parse the data: JSONFragmenter, JSON Extractor and a vertex creator.
I am getting warning errors in my translation log ...
0
votes
1answer
16 views
Find number of features in ArcGIS MapServer layer
Given an ArcGIS MapServer layer URL (eg https://gis.dallascityhall.com/wwwgis/rest/services/Sdc_public/Zoning/MapServer/15), how can I find (preferably in JSON format) the number of total features in ...
1
vote
1answer
74 views
Publish JSON with GeoServer
I generated a JSON by a PHP script and now want to load this JSON to GeoServer. So far I just found ways to publish SHP files but not JSON...
0
votes
0answers
21 views
Operations Dashboard Category Selector Zoom 'settings'
Is there code that sets Category Selector Zoom scales?
I have my dashboard map's default scale set to just outside the boundary area of interest - in my case a large long N/S city.
Within our city we ...
1
vote
0answers
39 views
Access coordinates from a firebase database
I want to access the coordinates from a firebase database in order to add them to my web map.
The structure of the data looks like this, and there around 12,000 sets of coordinates.
In my python ...
2
votes
1answer
57 views
Adding metadata from JSON file as text to QGIS print layout
I have a have a static URL pointing to a json file on the web that I load to QGIS. It is updated regularly. In the source, before listing the features, it contains metadata, between else a line "...
1
vote
1answer
38 views
Multiple Json files conversion to feature class using ArcPy
I am a beginner in Python.
I am migrating from visual basic.
I have multiple .json files that I want to convert them all in one script using python to a file Geodatabase:
What is the issue in the ...
1
vote
0answers
41 views
GeoServer REST WorkspacesAPI.postWorkspaces call by a Swagger client fails: “CannotResolveClassException: name”. Unexpected JSON content received
Using GeoServer 2.18.2 REST API by a Swagger Java client generated from workspaces.yaml (taken from documentation page), I attempted to create a workspace through this small test code, under Spring ...
1
vote
0answers
33 views
Getting JSON data from Google Maps [duplicate]
I have reviewed Getting polygon boundaries of City in JSON from Google Maps API? as well as the answers by german_martin and Kamil Latosinski. There are two critical weaknesses in Nominatim, using ...
0
votes
1answer
34 views
How to get 'GetPropertyValue' result in JSON format in geoserver?
I have tried adding outputFormat = application/json but not working :( my URL looks like this
http://domain/geoserver/wfs?service=wfs&version=1.3.0&request=GetPropertyValue&typeNames=...
1
vote
1answer
48 views
Converting ESRI JSON to GeoJSON
I am having trouble converting an ArcGIS Online JSON output to a more standard GeoJSON format. I have tried the solution in this thread, but the answer is either deprecated or no longer working. Every ...
3
votes
1answer
31 views
Delete points on the map to remain only one for each plane in OpenLayers
I'm trying to put on the map the route of an ads-b plane, I've managed this so far ...
Poblema is as follows puts all the points since I started to intercept him until the end what is not correct ...
3
votes
1answer
59 views
Projection and transform lat,long coordinates in geo in OpenLayers
I am working on a project that from the ads-b data puts on the OpenLayers map the position of the intercepted planes ....
I encounter 2 problems:
The coordinates are in latitude and longitude and ...
0
votes
0answers
51 views
OpenLayers: Permanently scale-independent text labels (including zoom steps)
On an OpenLayers map, I'm using text labels derived from JSON features for annotation. The labels are relatively flexible and may be switched at certain zoom levels (like changing from country to city ...
0
votes
0answers
20 views
Variable road shield size determined from character length
In Maputnik / Mabox GL I am trying to display a shield around a road number, with the size of the shield determined from the length of the road number.
I am basing this on a working example as follows ...
0
votes
1answer
42 views
PyQgis Show a HTML frame in canvas from a plugin button
I am using PyQGIS to request a JSON and showing some data of that file, formatted according with some conditions, in a window in QGIS using a button in a plugin.
I have thought of using a HTML frame (...
2
votes
0answers
77 views
QGIS - connect to ArcGIS FeatureServer hosted behind Azure proxy
I am using the QGIS (v3.16.0) ArcGisFeatureServer tool in the Browser window to try and connect to the following ArcGIS Feature Server: https://gojdippmaps.azurewebsites.net/proxy.ashx?https://maps....
2
votes
0answers
68 views
Add altitude coordinates in Feature Collection then serialize to GeoJSON
I deserialized a GeoJSON file into a feature collection using GeoJson.Net. Then I get the feature from the feature collection. Inside the feature I can loop and get all the type of geometry. From ...
1
vote
0answers
44 views
Download ALL data for an area from OpenStreetMap
I am trying to download ALL the OpenStreetMap data for a certain region. Meaning, I want the roads, the stores, the rivers, the parks, the traffic signals, the bus stops, ... everything. I'm ...
0
votes
1answer
50 views
Overpass API JSON output cannot be read by QGIS
My steps:
1.) Query Overpass API and download the JSON output by this URL
https://www.overpass-api.de/api/interpreter?data=[out:json];node[route=bus];way[route=bus];relation[route=bus](52.5,13.3,52.5,...
0
votes
1answer
230 views
Issue with osrmIsochrone function in R
I have been using osrm package for a while and didn't ever come across this kind of issue before. It looks so weird and I have been trying to update package and reinstall R as well. But nothing is ...
0
votes
0answers
42 views
Are there scenarios where the JSON payload from an AGOL webhook would have multiple collections in the array?
I have a webhook in AGOL that posts a JSON payload to an external system (Integromat).
The webhook is triggered when features are edited in a feature layer (Change Types: FeaturesEdited).
This is ...
0
votes
0answers
14 views
Setting same custom Icon marker for various JSON layers
I am attempting to set the same icon for three diferent JSON layers on a leaflet API map, but it does not show the requested image. Here's the code
function popupwindow(feature,layer){layer....
0
votes
0answers
494 views
Uncaught Type Error: t.addLayer is not a function
I am trying to add a JSON file to my webmap in leaflet but I keep getting this error.
I am calling an external js file and adding it as a variable to my map
<!DOCTYPE html>
<html>
<head&...
2
votes
1answer
243 views
Applying JSON style from URL to Vector in OpenLayers
Can the style be a URL in OpenLayers?
var layer_offline = new ol.layer.VectorTile({
declutter: true,
source: new ol.source.VectorTile({
format: new ol.format.MVT(),
url: 'http://...
1
vote
1answer
877 views
Leaflet map with D3.js dynamic graph from geojson data
I build a Leaflet map and display data from a GeoJSON. I add a Leaflet-Sidebar to my map, and embed the info control inside this sidebar. When a user hovering polygons on the map, raw values are ...
1
vote
1answer
86 views
Filter geometry based on map extent using OpenLayers
I need to summarize an attribute of a geojson based on the map extent. I want to sum values for all features intersecting bbox. I think that I must use the Bbox filter but isn't clear for me how I can ...
1
vote
1answer
74 views
Get attribute from multiple WMS sources
I'm using GeoServer and I need to put the value of NDVI from four different wms into a chart. I'm using also OpenLayer for my map.
map.on('singleclick', function(evt) {
var viewResolution = view....
1
vote
2answers
493 views
Converting (Polyline Data) JSON to GeoDataFrame using GeoPandas
I have this particular json and I want to make the JSON into a GeoDataFrame (with geometry and its attributes); How to set the geometry and attributes to a geodataframe?
I have tried using geopandas....
0
votes
0answers
732 views
Display GeoJSON data on a Leaflet map with a Django app
I wan't to display GeoJSON data on a Leaflet map using Django. Data is from a PostgreSQL database, I have created a view with raw JSON which returns me data but I wan't to add this to a Leaflet map as ...
1
vote
1answer
122 views
QGIS not exporting JSON to GeoJSON format
My PostgreSQL/PostGIS table have a JSON column, how to export it as GeoJSON properties to QGIS?
That is, I have a PostgreSQL connection at QGIS and it is reading all other tables, except this one that ...
3
votes
2answers
131 views
Select JSON records as an Excel table
I have an internal map service that serves up GIS records via JSON objects.
For the purpose of this question, instead of using my internal/private
data, we can use the JSON data on ESRI's public ...
0
votes
0answers
22 views
Concatenate from all the elements from a list of lists to have a string [duplicate]
I have data from a JSONs like as below
data={'type': 'Feature', 'geometry': {'type': 'LineString', 'coordinates':
[[410910.0885459831, 2479395.4132211693, 0.0], [410903.8088855865,
2479401.860380645,...
0
votes
0answers
81 views
How to export underlying vector layers from web map to QGIS?
The following map is using Leaflet https://www.openreach.com/fibre-broadband/fibre-first
People need to use these layers in their QGIS. Is there a way to maybe load the layers from the same source ...
