Legacy ImageMagick Discussions Archive

when i use this

convert \
\( -size 1x70 gradient: -rotate -90 \) \
\( -size 1x46 gradient: -spread 46 \
-channel R -separate +channel \) \
\( -size 1x1 xc: \) \
-scale 70x46\! -combine \
\
rose: +swap \
-compose Distort -set option:compose:args 35x23 -composite \
rose_rand.png

what do i ...

hello,
i tried it on mac but it doesn't work. my test image is called uno.jpg and its 800x800 px.


convert \
\( -size 800x800 gradient: -rotate 90 \) \
\( -size 1x800 xc: \
+noise Random \
-channel R -separate +channel \
-scale „800x800\!“ \
\) \
\( -size 800x800 xc: \) \
-combine \
uno ...

oh sorry
my main os is mac yosemite but i also have an 2011 win 7 laptop.
i've never used imagemagick.

@ fmw42 i need that for an art project. just want the new generated picture to conatain pixels from the picture - no added noise.
@ snibgo looks good. i think you nailed what i want. could you give me a "short" step by step instruction what to do?
i have never done anything with imagemagick. would ...

thanks for responding.

for example i got an image height 4000 x width 6000 px which shows a house with garden.
now i want the vertical pixel rows to be rearranged randomly so that each row gets a new place within
the 4000 x 6000 px and a new row next to it.

right now i do it manually in photoshop ...

hello,
i want to rearrange the vertical/ horizontal pixel rows in jpg / tiff pictures -
so that every row gets a new position.
it takes couple of hours depending on the size.
is there a way to do it with imagemagick?
regards