mapshaper
leaflet-geoman
mapshaper | leaflet-geoman | |
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13 | 2 | |
3,607 | 2,086 | |
- | 1.6% | |
9.5 | 8.3 | |
17 days ago | 6 days ago | |
JavaScript | JavaScript | |
GNU General Public License v3.0 or later | MIT License |
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mapshaper
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Show HN: Geojson-shave, a tool for reducing the size of GeoJSON files
Have you thought about adding a simplification algorithm such as Ramer-Doublas-Peucker [0] or Visvalingam–Whyatt [1]? I've used https://mapshaper.org/ to do GeoJSON path simplification before and those seem to work very well. For applications which want to maintain path accuracy while reducing the number of waypoints that may be more effective than truncating the decimal places
[0] https://en.wikipedia.org/wiki/Ramer%E2%80%93Douglas%E2%80%93...
[1] https://en.wikipedia.org/wiki/Visvalingam%E2%80%93Whyatt_alg...
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Shapemap: How to
Useing the recommended TopoJSON converter from mapshaper.org (https://learn.microsoft.com/en-us/power-bi/visuals/desktop-shape-map) however, when I add the GeoJSON file, it just freezes, nothing happens. (Does this happen to any of you?)
- File Upload Question (.json)
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Paint bucket like tool
Have a try with https://mapshaper.org/. If you can export everything you want to "fill in" as GeoJSON, you can load in MapShaper as TopoJSON and calculate the gaps.
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Any way to get zip code borders on a map and color gradient the areas by a value, without 3rd party visualizations, like the attached image?
Look at https://mapshaper.org, and simplify the zip code file. I used the Douglas-pueker option. Should be able to get that file size down considerably. I’m a GIS person that helped some consultants put GIS data into powerbi and this worked with some of our custom data. We had 30mb files down to less than 1mb.
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Projet facile : Fleuves et rivières du monde
Transformé en fichier KML avec mapshaper.org
- Polygon smoothing without gaps?
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Large amount of data points to esri-leaflet
I have transformed the original shapefile in a geojson using https://mapshaper.org/. However, it seems that this transformation was not accurate as I have lines circling the globe as of now. See https://freeimage.host/i/H2Rt7Fp , when I load it in Python using the following code; I do however get an accurate representation:
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Is there any free software to open shapefile(shp)?
mapshaper.org is an incredibly handy tool
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Need Shape map /JSON file of federal and state political constituency.
yo github repo ma chucche naksa ko geojson data chha, ani yo link ma gayera shapefile ma convert garda hunchha. Malai chhai topojson chaiyeko thiyo ani yei garya thiye. Hope it helps.
leaflet-geoman
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Wanting to put a collaborative map on our organizations website. That logs who does what actions, but allows for members to place pins and make comments about places. We are all tour guides
This project was a react app using Leaflet for the map and https://github.com/geoman-io/leaflet-geoman for the advanced line drawing tools. Unfortunately all that was ever used by the client was pins … we do cluster them however.
- LeafletJS
What are some alternatives?
Leaflet.VectorGrid - Display gridded vector data (sliced GeoJSON or protobuf vector tiles) in Leaflet 1.0.0
Leaflet - 🍃 JavaScript library for mobile-friendly interactive maps 🇺🇦
natural-earth-vector - A global, public domain map dataset available at three scales and featuring tightly integrated vector and raster data.
maplibre-gl-js - MapLibre GL JS - Interactive vector tile maps in WebGL2
kandilli-rasathanesi-api - Kandilli rasathanesinin son dakika depremler ve tarihe göre deprem listesi için ara API (last minute earthquakes in turkey)
leaflet-ruler - A simple leaflet plugin to measure true bearing and distance between clicked points
EOmaps - A library to create interactive maps of geographical datasets
folium - Python Data. Leaflet.js Maps.
esri-leaflet - A lightweight set of tools for working with ArcGIS services in Leaflet. :rocket:
Leaflet.BigImage - A leaflet plugin that allows users to receive a large map area and download it.
leaflet-geojson-vt - Open-source library for loading the geojson vector tiles.
sciter-js-sdk - Sciter.JS - Sciter but with QuickJS on board instead of my TIScript