darrenwiens’s gists

darrenwiens / index.html

Created April 29, 2025 16:31

Display a video derived from netcdf, all in browser

	<!DOCTYPE html>
	<html>

	<head>
	<meta charset="utf-8">
	<title>Firesmoke Video Viewer</title>
	<meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no">
	<link href="https://api.mapbox.com/mapbox-gl-js/v3.11.0/mapbox-gl.css" rel="stylesheet">
	<script src="https://api.mapbox.com/mapbox-gl-js/v3.11.0/mapbox-gl.js"></script>
	<style>

darrenwiens / geo_ligatures.py

Last active November 19, 2024 14:09

Supplements a font with ligatures of country and US state shapes. E.g. type "stateCA" -> California shape, "countryCA" -> Canada shape.

	import fontforge
	import json

	from shapely.geometry import shape, MultiPolygon
	from shapely.affinity import translate

	font = fontforge.open("Arial.ttf") # font to edit
	font.fullname = "Geo Ligatures"
	font.familyname = "Geo Ligatures"
	font.fontname = "GEO_LIGATURES"

darrenwiens / animate_crs.py

Created October 4, 2024 18:03

Rotate a globe in QGIS by updating the crs

	from PyQt5.QtCore import QTimer
	from qgis.core import QgsCoordinateReferenceSystem
	from qgis.utils import iface

	current_index = 0

	def update_crs():
	global current_index
	custom_proj = f"+proj=ortho +lat_0=0 +lon_0={current_index} +x_0=0 +y_0=0 +ellps=sphere +units=m +no_defs +type=crs"
	custom_crs = QgsCoordinateReferenceSystem()

darrenwiens / simcity_bridges.txt

Created September 21, 2024 00:51

QGIS Geometry Generator for SimCity Style Bridges

	-- add this to a road LINE layer that also has
	-- a geometry geometry applied that buffers it
	-- by 1000m. That's wide, I know!
	-- change the reference to your water layer below.
	-- all layers must be in a projected crs.

	collect_geometries(
	array_foreach(
	geometries_to_array(
	intersection(

darrenwiens / wave.txt

Last active September 21, 2024 07:14

QGIS geometry generator expression for creating an animated wave effect

	-- qgis geometry generator expression
	-- to be used in water polygon layer
	-- water polygons must be in a projected CRS
	-- enable animation on the layer
	-- change geometry generator geometry type to linestring
	intersection(
	$geometry,
	translate(
	wave_randomized(
	collect_geometries(

darrenwiens / main.py

Last active July 2, 2024 18:28

A FastAPI for generating ascii map tiles (png)

	# MIT License

	# Copyright (c) 2024 Darren Wiens

	# Permission is hereby granted, free of charge, to any person obtaining a copy
	# of this software and associated documentation files (the "Software"), to deal
	# in the Software without restriction, including without limitation the rights
	# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	# copies of the Software, and to permit persons to whom the Software is
	# furnished to do so, subject to the following conditions:

darrenwiens / index.html

Created April 29, 2024 23:55

High Res Canopy Height COG viewer

	<!DOCTYPE html>
	<html>

	<head>
	<meta charset="utf-8">
	<title>High Resolution Canopy Height</title>
	<meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no">
	<link href="https://api.mapbox.com/mapbox-gl-js/v3.2.0/mapbox-gl.css" rel="stylesheet">
	<script src="https://api.mapbox.com/mapbox-gl-js/v3.2.0/mapbox-gl.js"></script>
	<style>

darrenwiens / index.html

Created February 25, 2024 00:59

A Potree static site for showing COPCs from Microsoft Planetary Computer

	<!DOCTYPE html>
	<html lang="en">

	<head>
	<meta charset="utf-8">
	<meta name="description" content="">
	<meta name="author" content="">
	<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
	<title>MPC COPC Viewer</title>

darrenwiens / maps.js

Created February 19, 2024 17:53

Add Tetris to Mapbox GL JS

	mapboxgl.accessToken = 'YOUR_MAPBOX_ACCESS_TOKEN';
	let center = [-74.5, 40]
	const map = new mapboxgl.Map({
	container: 'map',
	center: [-74.426, 40.1792],
	zoom: 9,
	pitch: 50,
	keyboard: false,
	preserveDrawingBuffer: true,
	});

darrenwiens / jupytercad_mr_pg.ipynb

Created June 2, 2023 22:32

Draw Mr. PG with jupytercad

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Darren Wiens darrenwiens