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Diffstat (limited to 'hulls/Makefile')
| -rw-r--r-- | hulls/Makefile | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/hulls/Makefile b/hulls/Makefile new file mode 100644 index 0000000..9577ced --- /dev/null +++ b/hulls/Makefile @@ -0,0 +1,8 @@ +data: + # create image: + convert -font Arial -pointsize 24 label:Y +trim +repage -negate -bordercolor black -border 10 mask.gif + # create binary edge + convert mask.gif -edge 1 -threshold 0 mask_edge.gif + # list coordinates of only white edge pixels + convert mask_edge.gif txt:- > txt + sed -n 's/^\(.*\):.*white$$/\1/p' txt |