walkermatt / build.sh

Last active November 11, 2020 09:37

ol-layerswitcher migration to TypeScript presentation

npx @marp-team/marp-cli --template bare -o ol-layerswitcher-typescript.html presentation.md

walkermatt / confluence-table-to-csv.js

Last active February 19, 2025 09:28

Copy the data out of a Confluence table as CSV using Chrome devtools

	function escapeAsCsv(str) {
	// Double up double quotes and quote the entire string if necessary
	if (str.includes(',') \|\| str.includes('\n') \|\| str.includes('"')) {
	return '"' + str.replace(/"/g, '""') + '"';
	}
	return str;
	}

	// Export Confluence table as CSV
	// Select the tbody element in Chrome devtools Elements panel then run the

walkermatt / ol-debug.js

Created December 1, 2017 12:26

This file has been truncated, but you can view the full file.

	// OpenLayers. See https://openlayers.org/
	// License: https://raw.githubusercontent.com/openlayers/openlayers/master/LICENSE.md
	// Version: v4.5.0-70-gfca0b07
	;(function (root, factory) {
	if (typeof exports === "object") {
	module.exports = factory();
	} else if (typeof define === "function" && define.amd) {
	define([], factory);
	} else {
	root.ol = factory();

walkermatt / mapproxy_filter.py

Created September 30, 2017 19:29

	""" Minimal MapProxy Middleware demonstrating wrapping MapProxy and working
	with the query string

	To run:
	1. Install MapProxy in a virtual enviroment together with Gunicorn
	2. Create a basic MapProxy config and copy this file into the same directory as mapproxy.yaml
	2. Activate virtual environment
	3. Change to the directory containing this file
	4. Run:
	gunicorn -k eventlet --workers=1 --log-file=- mapproxy_filter:application

walkermatt / pyqgis_filter_vector_features.py

Created March 17, 2017 16:31

For use in the QGIS Python console

	# Just the selected features
	layer = iface.activeLayer()
	for feature in layer.selectedFeatures():
	print feature['name']

	# Filter by current extent of the map
	extent = iface.mapCanvas().extent()
	request = QgsFeatureRequest()
	request.setFilterRect(extent)
	layer = iface.activeLayer()

walkermatt / pyqgis_vector_summary.py

Created March 17, 2017 16:07

	import itertools
	import qgis
	from qgis.gui import QgsMessageBar
	from qgis.core import QgsMapLayer


	def layer_info(layer):
	print "Layer name: %s" % layer.name()
	print "CRS: %s" % layer.crs().authid()
	print "Extent: %s" % layer.extent().asWktCoordinates()

walkermatt / python_psycopg2_postgis.md

Last active March 22, 2017 14:32

Python psycopg2 & PostGIS

Load some data into the database

From the OSGeo4W Shell

ogr2ogr -f PostgreSQL PG:"dbname=postgis host=localhost user=postgres password=postgres" -a_srs "EPSG:27700" county_region.shp -nlt MULTIPOLYGON

walkermatt / Rock, paper, scissors.py

Created December 17, 2016 09:21

Rock, paper, scissors created by walkermatt - https://repl.it/EsHd/15

	# Rock, paper, scissors

	def beats(thing1, thing2):
	""" Determine who wins rock, paper, scissors
	by passing each players choice """
	if thing1 == thing2:
	# Draw, both players chose the same thing
	return None
	# Determine which thing beats thing2
	victors = {

walkermatt / mapproxy_decorate.py

Last active March 22, 2024 16:48

Minimal MapProxy Middleware demonstrating the decorate_img API

	""" Minimal MapProxy Middleware demonstrating the decorate_img API

	To run:
	1. Install MapProxy in a virtual enviroment together with Gunicorn
	2. Create a basic MapProxy config and copy this file into the same directory as mapproxy.yaml
	2. Activate virtual environment
	3. Change to the directory containing this file
	4. Run:
	gunicorn -k eventlet --workers=1 --log-file=- mapproxy_decorate:application

walkermatt / map.html

Created September 16, 2016 17:47

OpenLayers 3 LayerSwitcher and Popup together

	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8" />
	<title>OpenLayers 3 - LayerSwitcher & Popup</title>
	<meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width">
	<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/ol3/3.17.1/ol.css" />
	<link rel="stylesheet" href="https://rawgit.com/walkermatt/ol3-layerswitcher/master/src/ol3-layerswitcher.css" />
	<link rel="stylesheet" href="https://rawgit.com/walkermatt/ol3-layerswitcher/master/examples/layerswitcher.css" />
	<link rel="stylesheet" href="https://rawgit.com/walkermatt/ol3-popup/master/src/ol3-popup.css" />