Pontifications

The output below is great but maybe I should have started with a black and white i.e. converted the image from colour to black and white first?
And maybe I could use the output images for white camo?
See: Use Hatching, shape-based tonal or shading, to create fun infographics for tshirts in R (code by Jean Fan)
Here is what I did:

convert 2019-01-31-05-36-oily-200x200-out.png 2019-01-31-05-36-oily-200x200-out.jpg

setwd("~/GIT/rt-mozlando2018-ksc")
source('hatching.R')
img <- readJPEG("/home/roland/GIT/rt-mozlando2018-ksc/TRY2-200x200OILY/2019-01-31-05-36-oily-200x200-out.jpg")
hatching(img, size=0.1, var=0.5, N=10000, pch=0, step=0.01)
# export as 3600 px wide to
# https://github.com/rtanglao/rt-mozlando2018-ksc/blob/master/hatched-2019-01-31-05-36-oily-200x200-out.png
img2 <- readJPEG("/home/roland/GIT/rt-mozlando2018-ksc/TRY2-200x200OILY/2019-01-31-05-36-oily-200x200-out.jpg")[,,1]
img2 <- t(apply(img2,2,rev))
hatching(img2)
# export as 3600 px wide to
# https://github.com/rtanglao/rt-mozlando2018-ksc/blob/master/hatched2-2019-01-31-05-36-oily-200x200-out.png

Tried Jean Fan's R function on Mozlando KSC 200x200px, maybe I should have started with a black and white image?

Pontifications

Output hatched-2019-01-31-05-36-oily-200x200-out.png

Output hatched2-2019-01-31-05-36-oily-200x200-out.png