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MapLibre GL Vector Tiles with TMaps: Dark Mode and 3D

Raster tiles are pictures of the map. They're simple and they work everywhere, but what you get is what you get. Vector tiles send the map data itself (roads, buildings, labels) and let the browser dr

tmaps.hashnode.dev

iMLite GolfOct 20 · 10 min read

Golf Course Data, Compressed: What Fits Inside 100KB Per Hole

A golf course dataset is not road network data. Road networks answer "how do I get from A to B"; a course dataset answers "what will this shot pass over, and where will it land". Get the underlying mo

1 imlitegolf.hashnode.dev

TimeToTime ToolsOct 3 · 4 min read

Six checks that catch KML-to-CSV data loss before Excel does

A CSV can open cleanly and still misrepresent the KML it came from. Coordinates may be swapped, a missing altitude may become 0, multiple points inside one placemark may collapse to one row, or an ide

timetotime-tools.hashnode.dev

Minaruzzaman ShovonOct 1 · 10 min read

How I Built a Real-Time Commute-Time Map for Chittagong Using Next.js, Mapbox & Turf.js

A step-by-step walkthrough of building an interactive isochrone map — click anywhere on the city, see exactly how far you can drive in 10, 20, 30, 40, 50, or 60 minutes. TL;DR — I built a browser-bas

1 minarsvn.hashnode.dev

Sanish KumarAug 20 · 7 min read

The API said 200 OK. It had thrown my query away.

There is a specific kind of bug I have started to fear more than crashes: the one where a system returns something that looks exactly like an answer. Here is the one that prompted a fairly large rewri

sanish.hashnode.dev

RishikantJul 14 · 5 min read

Space to Earth Matrix: Revolutionizing Renewable Energy Placement with AI

The world is rapidly accelerating towards a sustainable future, and India has set an incredibly ambitious target of achieving five hundred gigawatts of non-fossil fuel energy capacity by the end of th

rishiii2.hashnode.dev

Aastha GadeJun 28 · 4 min read

I Built a Renewable Energy Siting Model for 500,000 Sites Across the US. Here's Everything I Learned.

I've listed geopandas on my resume for a while now. Used it? Yes. Actually understood what was happening under the hood? ...mostly. This week I decided to change that. No tuts. No documentation skimmi

1 aasthardg.hashnode.dev

samueltohJun 21 · 3 min read

Point-in-polygon: one PostGIS query for geofencing, zones, and spatial lookups

You've got a coordinate. You've got a pile of regions on a map. You need to know: which region does this point fall in, or is it inside one at all? That single question hides inside a lot of features:

samueltoh.hashnode.dev

Sanish KumarJun 20 · 3 min read

How I built an Offline-First Voice-Controlled Map Engine in JavaScript

Have you ever tried to drag a map on your phone while carrying groceries? Or tried to annotate a field survey map while wearing gloves? Traditional GIS UIs assume you always have two free hands and pe

sanish.hashnode.dev

Muhanad AbulhusnJun 15 · 8 min read

A Hectare Has to Earn Its Way Into the Report

When the report assembles its headline number, the first thing it does is count twice. Sixty-three flood damage records, and sixty-three of them validated. Forty-eight crop-fire records, forty-eight v

muhanadabulhusn.hashnode.dev

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