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#A web maps primer
I was invited to the National Library of Colombia's 2nd Digital Book Week as a speaker and to give a workshop on digital mapping tools. I thought it would be useful to share that workshop since it encompasses a lot of different processes and tools that make digital cartography today very accessible. It is a primer on working with various free web mapping tools so you can make your own awesome maps.
##TL;DR You will make [this][result]. This tutorial assumes you have a digitized map and some data you want to overlay on it. The general steps covered are:
- geo-referencing the scanned map so that web tiles can be generated
- generating GeoJSON data to be overlaid
- creating a custom base map (to serve as reference/present day)
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grep -r --color --exclude-dir={custom,lib,scripts} --exclude={*.xml,error_log} "beta" . |
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HANDY ONE-LINERS FOR SED (Unix stream editor) Oct. 29, 1997 | |
compiled by Eric Pement <epement@jpusa.chi.il.us> version 4.3 | |
Latest version of this file is always at <http://www.wollery.demon.co.uk> | |
FILE SPACING: | |
# double space a file | |
sed G | |
# triple space a file | |
sed 'G;G' |
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##FILE SPACING: | |
# double space a file | |
sed G | |
# double space a file which already has blank lines in it. Output file | |
# should contain no more than one blank line between lines of text. | |
sed '/^$/d;G' | |
# triple space a file |
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#include <sys/capability.h> | |
#include <sys/types.h> | |
#include <stdio.h> | |
#include <stdlib.h> | |
#include <unistd.h> | |
#define nitems(x) (sizeof(x) / sizeof(x[0])) | |
int | |
main(void) { |