# set terminal pngcairo background "#ffffff" enhanced font "arial,10" fontscale 1.0 size 600, 400 # set output 'circles.4.png' unset border unset key set size ratio -1 1,1 set noxtics set noytics set title "Lena's key points" set yrange [ * : * ] reverse nowriteback r = 0.01 types = 6 keyx = -137.0 keyy = -15.0 keyr = 25.0 i = 5 plot 'lena.rgb' binary array=(128,128) dx=4 dy=4 format='%uchar' with rgbimage, 'lena-keypoints.bin' binary format='%double' with circles lc rgb "yellow"