RobBlackwell

Connection='wireless'
Interface=wlp58s0
Security='wpa-configsection'
Description="eduroam network"
IP='dhcp'
TimeoutWPA=30
WPAConfigSection=(
	'ssid="eduroam"'
	'key_mgmt=WPA-EAP'
	'eap=PEAP'

RobBlackwell

nix-env -iA nixos.oraclejre8 

Unfortunately, we cannot download file jdk-8u131-linux-x64.tar.gz automatically.
Please go to http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html to download it yourself, and add it to the Nix store
using either
  nix-store --add-fixed sha256 jdk-8u131-linux-x64.tar.gz
or
  nix-prefetch-url --type sha256 file:///path/to/jdk-8u131-linux-x64.tar.gz

RobBlackwell

# Edit this configuration file to define what should be installed on
# your system.  Help is available in the configuration.nix(5) man page
# and in the NixOS manual (accessible by running ‘nixos-help’).

{ config, pkgs, ... }:

{
  imports =
  [ # Include the results of the hardware scan.
      ./hardware-configuration.nix

RobBlackwell

using PyCall
@pyimport pickle

function mypickle(filename, obj)
    out = open(filename,"w")
    pickle.dump(obj, out)
    close(out)
 end

function myunpickle(filename)

RobBlackwell

# including this ensures that new gnome-terminal tabs keep the parent `pwd` !
# https://ttboj.wordpress.com/2014/03/20/preserving-your-working-directory-in-gnome-terminal/
if [ -e /etc/profile.d/vte.sh ]; then
    . /etc/profile.d/vte.sh
fi

RobBlackwell

"""
    bwselect(BW, c , r)

Select objects in a binary image.

Similar to the MATLAB function of the same name.
"""
function bwselect(BW, c, r)
    # constants
    north = CartesianIndex(-1,  0)

RobBlackwell

"""
    hysthresh(im, T1, T2)

Hysteresis thresholding

A simple port of Peter Kovesi's MATLAB method to Julia.

See http://www.peterkovesi.com/matlabfns/Spatial/hysthresh.m

Usage: bw = hysthresh(im, T1, T2)

RobBlackwell

using PerceptualColourMaps
using Images
function myimagesc(A)
    x = minimum(A)
    y = maximum(A)
    B = (A .- x) ./ (y - x)
    imgc = applycolormap(B, cmap("R3")) # outputs a 3-dimensional array
    imgc2 = colorview(RGB, permuteddimsview(imgc, (3,1,2)))
end

RobBlackwell

using MAT
function mymatread(filename, varname)
    file = matopen(filename)
    x = read(file, varname)
    close(file)
    return x
end

RobBlackwell

const MATLAB_EPOCH = Dates.DateTime(-0001,12,31)

"""
     datenum(d::Dates.DateTime)

Converts a Julia DateTime to a MATLAB style DateNumber.

MATLAB represents time as DateNumber, a double precision floating
point number being the the number of days since January 0, 0000