Kyle Walker walkerke

Geographer, R developer, spatial data scientist

walkerke / make_GeodesicBuffer.R

Last active December 13, 2019 15:51 — forked from valentinitnelav/make_GeodesicBuffer.R

Geodesic buffer for point data

	make_GeodesicBuffer <- function(XY.dg, dg.step=5, dst.m, crs){
	#######################################################################################################
	## Function to make a circle-buffer around given points (long-lat coordinates)
	## Is different from rgeos::gBuffer() by the fact that it allows the user to create
	## a geodesic buffer with a width expressed in metric units.
	## Otherwise the user needs to project and apply an Euclidian buffer with rgeos::gBuffer(),
	## which will introduce distortions that vary greatly with latitude and the radius of the circle buffer.
	## See also my question addressed here:
	## https://gis.stackexchange.com/questions/250389/euclidean-and-geodesic-buffering-in-r
	##

walkerke / index.html

Created January 30, 2017 12:06 — forked from tristen/index.html

Dynamic template

	<!DOCTYPE html>
	<html>
	<head>
	<meta charset='utf-8' />
	<title></title>
	<link href='https://api.tiles.mapbox.com/mapbox-gl-js/v0.26.0/mapbox-gl.css' rel='stylesheet' />
	<link href='https://www.mapbox.com/base/latest/base.css' rel='stylesheet' />
	<link href='site.css' rel='stylesheet' />
	</head>
	<body class='clip loading'>