We aim for aspect ratio 16:9, either Full HD (1920x1080) or qHD (960x540). "05p" = 5# = 5 primorial "original WxH" = dimensions after white columns removed, before scaling, before cutting and pasting columns. After removing white columns, the "remainder set" remains (see OEIS A005867). Some sample remainder sets: 8 = remainder set of 5# (primorial) 48 = remainder set of 7# 480 = remainder set of 11# 5760 = remainder set of 13# "scale X" = scale linear dimensions (magnify or reduce by) x 03p-01col.png : original 2x960 scale 2 05p-small-unfiltered.png : 30x20, white columns not removed, scale 10 05p-small-filtered.png : original 8x20, white columns removed, scale 10 05p-01col.png : original 8x960 scale 2 07p-40col.png : original 48x43200 cut and pasted into 40 columns 11p-01col-qhd.png : original 480x270 scale 2 11p-01col.png : original 480x270 scale 4 11p-02col-qhd.png : original 480x1080 pasted into 2 columns 11p-02col.png : original 480x1080 pasted into 2 columns, scale 2 11p-04col.png : original 480x4320 pasted into 4 columns 11p-08col-hd.png : original 480x17280 pasted into 8 columns, scale 1/2 11p-08col-norm.png : original 480x17280, pasted into 8 columns, scale 1/4, lossy pgmnorm [48..255] to enhance contrast 11p-16col-norm.png : original 480x69120 pasted into 16 columns, scale 1/8, lossless pgmnorm 11p-32col-norm.png : original 480x276480 pasted into 32 columns, scale 1/16, lossless pgmnorm 11p-64col-norm.png : original 480x1105920 pasted into 64 columns, scale 1/32, lossless pgmnorm 11p-exp-16col-norm.png : each column original size 480x4320, pasted 16 non-contiguous columns [0,1,3,7,...2^15-1], scale 1/8, lossless pgmnorm 11p-exp-32col-norm.png : each column original size 480x8640, pasted 32 non-contiguous columns [0,1,3,7,...2^31-1], scale 1/16, lossless pgmnorm 13p-01col-norm.png : original 5760x3240, scale 1/6, lossless pgmnorm 13p-02col-norm.png : original 5760x12960 pasted into 2 columns, scale 1/12, lossless pgmnorm 13p-04col-norm.png : original 5760x51840 pasted into 4 columns, scale 1/24, lossless pgmnorm 13p-08col-norm.png : original 5760x207360 pasted into 8 columns, scale 1/48, lossless pgmnorm 13p-exp-08col-norm.png : each column original size 5760x25920, pasted 8 non-contiguous columns [0,1,3,7,15,31,63,127], scale 1/48, lossless pgmnorm sqzoom : slideshow instead of gluing columns together. 11p series, exponential selection columns 1000^n-1. Some more information at http://kenta.blogspot.com/search?q=mbkfwmkw