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Questions - geojson

Openlayer load GEOJSON from a variable instead of url

I've a map rapresentation, I want to add a layer based on a GEOJSON, but I don't want to read it directly from a GEOJSON file, instead I've a variable that contain the exact string of GEOJSON that I r...
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Uderr

javascript

maps

openlayers

geojson

Votes: 0

Answers: 1

Latest Answer

You could read the features from your string and add them to the source var source = new ol.source.Vector(); var map = new ol.Map({ target: 'map', layers: [ new ol.la...
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Mike

Convert geopandas.geodataframe to geojson

I am trying to save a geopandas.geodataframe in geojson format. but i have an error and i don't know where it comes from and how to solve it. here is the code and the error : Thanks in advance for you...
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amaranaitsaidi

python

geojson

osmnx

fiona

Votes: 0

Answers: 1

Latest Answer

Instead of .to_file() You can either create a new geojson file and fill the .to_json() object inside it , it's a json dict in (str) format. with open('dataframe.geojson' , 'w') as file: file.write...
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lackti

Python - extract certain values from GeoJSON

I have a GeoJSON file containing over 46,000 features, but I am only looking to extract 60 of them. The 60 features have a reference number which has been saved as CSV (see pic below for format of CSV...
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hi_ho_2

python

csv

geojson

Votes: 0

Answers: 0

How to generate a polygon around a GeoJson point in web mercator projection

I am building a tool to display markers on a map at varying heights in Mapbox GL Js. Mapbox currently lacks the ability to give a marker a height, and the geoJson point is not rendered on its own. How...
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Skuffd

geojson

mapbox-gl-js

mercator

Votes: 0

Answers: 2

Latest Answer

You don't need to worry about the projection - Mapbox GL JS will project it for you. You may be able to use Turf's hexGrid method to generate a single hexagon.
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Steve Bennett

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