Albert Decatur albert-decatur

Threnody for Abraxas

Preface

The randomly-assembled phantasmagoric Surrealist word/concept-painting you are about to read/view, like much of Surrealist art, may contain scenes of depravity, degeneracy, injustice, and general weirdness, and like much generative art, may contain unintentional racism, unintentional sexism,

Storytelling from Space: Tools/Resources

This list of resources is all about acquring and processing aerial imagery. It's generally broken up in three ways: how to go about this in Photoshop/GIMP, using command-line tools, or in GIS software, depending what's most comfortable to you. Often these tools can be used in conjunction with each other.

Acquiring Landsat & MODIS

Web Interface

USGS Earth Explorer - Browser and data access (create a login)
http://earthexplorer.usgs.gov/

Landsat archive

Vagrant Setup

This tutorial guides you through creating your first Vagrant project.

We start with a generic Ubuntu VM, and use the Chef provisioning tool to:

install packages for vim, git
create user accounts, as specified in included JSON config files
install specified user dotfiles (.bashrc, .vimrc, etc) from a git repository

Afterwards, we'll see how easy it is to package our newly provisioned VM

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

	# Based on http://www.aisecure.net/2012/01/16/rootzfs/ and
	# @vermaden's guide on the forums

	# set your disks here
	DISKS="ada0 ada1"

	# where will we fetch the install from?
	FTPURL="ftp://ftp.freebsd.org/pub/FreeBSD/releases/amd64/10.1-RELEASE"

	# the hostname this computer will have:

	#' Returns the year (fiscal or calendar) and quarter in which the date appears.
	#'
	#' This function will cut the given date vector into quarters (i.e. three month
	#' increments) and return an ordered factor with levels defined to be the quarters
	#' between the minimum and maximum dates in the given vector. The levels, by
	#' default, will be formated as \code{FY2013-Q1}, however the \code{FY} and \code{Q}
	#' can be changed using the \code{fy.prefix} and \code{quarter.prefix} parameters,
	#' respectively.
	#'
	#' @param x vector of type \code{\link{Date}}.

	#!/bin/sh
	# Print four lines showing blocks of colors: 0-7 \| 0-7bold \| 8-15 \| 8-15bold
	perl -CADS -lwe '
	my $block = shift \|\| (chr(0x2588) x 3);
	for (["", 0], ["1;", 0], ["", 8], ["1;", 8]) {
	my ($bold, $offset) = @$_;
	my @range = map $offset + $_, 0..7;
	printf "%s %-6s ", $bold ? "bold" : "norm", "$range[0]-$range[-1]";
	print map("\e[${bold}38;5;${_}m$block", @range), "\e[0m"
	}