Tom Sparrow tesparrow

Senior Scientist at the University of Bradford. Archaeological Geophysicist and Geek.

cecilemuller / index.html

Last active January 4, 2023 16:04

Record three.js to WebM video using CCapture.js

	<!DOCTYPE HTML>
	<html lang="en">
	<head>
	<title>Record WebGL to WebM (Chrome only)</title>
	<meta charset="utf-8">
	<link rel="stylesheet" href="styles.css" charset="utf-8">
	</head>
	<body>

	<div class="buttons">

celoyd / simple-focus-stacking.py

Last active July 14, 2018 18:45

	#!/usr/bin/env python

	import numpy as np
	import cv2
	from sys import argv

	# Gaussian radius (should really be an argument):
	r = 21

	src, dst = argv[1:]

celoyd / ndvi.py

Last active October 20, 2018 19:39

	#!/usr/bin/env python
	# Very simple rasterio NDVI (or general normalized difference ratio) demo.
	# python ndvi.py $landsat_scene/*B{4,5}.TIF ndvi.tif

	import rasterio as rio
	from sys import argv
	import numpy as np

	math_type = np.float32 # type for internal calculations

celoyd / ndvi.py

Last active October 4, 2022 11:03

	#!/usr/bin/env python

	# ndvi.py red.tif nir.tif output-ndvi.tif
	# Calculate NDVI (see Wikipedia). Assumes atmospheric correction.
	# (Although I use it without all the time for quick experiments.)

	import numpy as np
	from sys import argv
	from osgeo import gdal, gdalconst

attilaolah / imgcmp.py

Created February 29, 2012 11:30

Fast image comparison with Python

	import math

	import Image
	import Levenshtein


	class BWImageCompare(object):
	"""Compares two images (b/w)."""

	_pixel = 255