diff -r f8a3bc920f6a -r 471f9f64ff2d src/Visualise.jl
--- a/src/Visualise.jl	Thu Feb 04 13:58:19 2021 -0500
+++ b/src/Visualise.jl	Thu Feb 04 13:58:31 2021 -0500
@@ -7,7 +7,6 @@
 using Printf
 using FileIO
 using Setfield
-using ColorTypes: Gray
 #using Plots
 #using Measures
 import GR
@@ -16,6 +15,7 @@
 using AlgTools.StructTools
 using AlgTools.LinkedLists
 using AlgTools.Comms
+using ..ColourTools
 
 ##############
 # Our exports
@@ -24,8 +24,6 @@
 export LogEntry,
        bg_visualise,
        visualise,
-       clip,
-       grayimg,
        secs_ns,
        iterate_visualise,
        initialise_visualisation,
@@ -57,9 +55,6 @@
     return convert(Float64, time_ns())*1e-9
 end
 
-clip = x -> min(max(x, 0.0), 1.0)
-grayimg = im -> Gray.(clip.(im))
-
 ################
 # Visualisation
 ################