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One Gigabyte per Survey, of Which 108 KB Goes in the Database

One Gigabyte per Survey, of Which 108 KB Goes in the Database

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4 min read
A Shapefile Is Four Files, and the Important One Is Optional

A Shapefile Is Four Files, and the Important One Is Optional

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5 min read
One View Per Layer: Four Sharp Edges I Found in My Own Code

One View Per Layer: Four Sharp Edges I Found in My Own Code

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6 min read
Rendering 1 Million Markers in Leaflet with WebGL

Rendering 1 Million Markers in Leaflet with WebGL

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4 min read
The Importance of GIS in Disaster Management and Response, and how AI Contributes to the Awareness to Create a Good GIS Environment

The Importance of GIS in Disaster Management and Response, and how AI Contributes to the Awareness to Create a Good GIS Environment

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3 min read
My Tile Cache Has No Invalidation, So I Set It to Zero

My Tile Cache Has No Invalidation, So I Set It to Zero

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6 min read
Same Zone, Same Projection, 427 Metres Apart

Same Zone, Same Projection, 427 Metres Apart

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5 min read
Eleven Terabytes and No Raster Database

Eleven Terabytes and No Raster Database

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8 min read
We Publish the Data Before It's Correct. On Purpose.

We Publish the Data Before It's Correct. On Purpose.

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7 min read
heatriskmap: mapas de isla de calor urbana para municipios con datos 100% abiertos

heatriskmap: mapas de isla de calor urbana para municipios con datos 100% abiertos

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3 min read
Building an Open-Source NOAA MRMS Radar Renderer in Python

Building an Open-Source NOAA MRMS Radar Renderer in Python

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3 min read
From Drone Video to 3D Maps: Automate WebODM Setup with GPU Acceleration

From Drone Video to 3D Maps: Automate WebODM Setup with GPU Acceleration

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5 min read
Why your Valhalla turn-by-turn distances are wrong: a distance-axis mismatch

Why your Valhalla turn-by-turn distances are wrong: a distance-axis mismatch

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5 min read
Faster Geospatial Animations with PMTiles: Multi-Layer MVT Time Series in OpenLayers

Faster Geospatial Animations with PMTiles: Multi-Layer MVT Time Series in OpenLayers

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6 min read
How I Built a REST API Combining Satellite Imagery with LLM Vision (Gemini)

How I Built a REST API Combining Satellite Imagery with LLM Vision (Gemini)

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1 min read
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