4,342 questions
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Adding a custom grid (GeoJSON / ArcGIS JSON) overlay to the OpenStreetMap Latest Value widget in ThingsBoard CE 3.5.0
I am using ThingsBoard CE 3.5.0 and visualizing my sensors (rain gauges and other devices) with the OpenStreetMap Latest Value map widget. I would like to overlay a custom grid on the map, either from ...
- reputation score 11
Advice
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3
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197
views
Simple geojson to SVG conversion
I need a simple web application that converts geojson to SVG. And I have a good response from using ChatGPT. Included are the codes that should run on this page.
Since the code is generate by AI, and ...
- reputation score 19005
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43
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How Can I Use String of Coordinates Within a Mapbox Feature?
I am trying to fetch a comma separated list of coordinates from a database and then show them on a Mapbox GL JS map.
By using the following FeatureCollection, I am able to show a Line between ...
- reputation score 411
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66
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Move features and preserve spatial relationsips with maplibre
I'm moving all polyline features around a centre to a new center. How can I ensure that their spatial relationships are preserved after the features have been moved?
It seems I would calculate the ...
- reputation score 1786
3
votes
1
answer
86
views
Plotly chloropleth of India not showing states properly (too small)
I am trying to create a choropleth of India that shows railway accident data. When I try to make run it a choropleth is created, but the states of India are too small and do not reflect their real ...
- reputation score 39
0
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76
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Populate folium TimestampedGeoJson features using lambda functions?
I am following some code examples to plot time aware coordinates on a folium map using the folium.plugins.TimestampedGeoJson method. As in the example, I'm using a for-loop to tie coordinates and ...
- reputation score 797
2
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1
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356
views
How to read a geojson file when an attribute/column values are lists. WARNING:pyogrio._io:Skipping field paths: unsupported OGR type: 5
Here an example of the geojson written using: geopandas.to_file(path/to/example.geojson)
{
"type": "FeatureCollection",
"name": "example",
"crs": { &...
- reputation score 78
0
votes
1
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495
views
Map visuals with Deneb in Powerbi environment
I'm trying to work my head around map visuals with Vega lite/Deneb within powerbi. I know that alternative exist, but am keen to understand the transaction between powerbi table and deneb.
For my ...
- reputation score 9
0
votes
1
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121
views
GeoJSON polygon filtering example based on attribute
I tested the neat flutter_map_geojson2 package to display GeoJSON files and it works nicely. However, I am wondering how a GeoJSON file with polygons can be filtered to display polygons painted with ...
- reputation score 9323
1
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58
views
Why are features not retained in unclustered layer during Mapbox tileset creation?
I am trying to create/publish a tileset on Mapbox. When I upload the geojson into Mapbox's dataset the locations properly retain their properties. However, when I try to create the tileset thru the ...
- reputation score 584
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131
views
How do I display GeoJson data from Folium map in NiceGUI?
I'm unable to display on screen or terminal the data from an on click event on a Folium/Leaflet map within a NiceGUI interface. As per Folium API I've been able to display coordinate clicks on the map ...
- reputation score 73
0
votes
1
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91
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GeoJSON Object Array in PHP [duplicate]
I am having issues creating this "features object" in php/json
here is an example of this code: https://doc.arcgis.com/en/arcgis-online/reference/geojson.htm
I am getting all of the ...
- reputation score 11
-1
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1
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121
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How do I write a python script that converts JSON into GEOJSON [closed]
I need to convert JSON files into GEOJSON files for a GIS project I am working on. I don't quite understand how to convert JSON into GEOJSON.
My first attempt was to simply use Claude/Copilot to ...
- reputation score 1
0
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2
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187
views
Leaflet.js Tooltip Rendering Issue When Binding Dynamic Data to Station Markers in Loop
I'm working on a route visualization tool using Leaflet.js to map Amtrak train routes. I'm loading station coordinates from a JSON array and creating markers with custom tooltips showing station names,...
- reputation score 3
0
votes
1
answer
149
views
Correctly Identifying Neighbors in Turf.js Hexagonal Grid
I'm developing a spatial analysis tool using a hexagonal grid generated using Turf.js (hexGrid). Although the grid itself is generated correctly, I cannot reliably identify neighbors for a selected ...
- reputation score 11
