Legacy ImageMagick Discussions Archive

Hi,

I would like to know if it's possible to pixelate just a part of an image using a mask.

I know I could first create a downscaled image of the original, then just upscale and merge the original and the processed using a mask, but the question is, just as with blur effect, can I pixelate out of ...

thanks great !

Just last question about masking, this time using polygons

convert \
logo.jpg \
\( -clone 0 -fill white -colorize 100 -fill black \
-draw "polygon 332,180 427,105 481,238 399,279" \
-alpha off -write mpr:mask +delete \) \
-mask mpr:mask -blur 0x5 +mask logo_blur.jpg


I've seen this method which ...

GREAT !! thanks again !

Hi, thanks and sorry because I did try code above merged with the one I was using to blur, and could not make it work

Thanks so much for the answer !

it works perfect !

sorry for not pointing my version, which is ImageMagick 7.0.7-14 Q16 x86_64 2017-12-07 working on mac.

I wanted to try the blur using a mask but, seems to works in a inverse way than what suggested above.


convert original.jpg : -mask mask.jpg ...

Hi,

this is my first post here, after looking around the web I couldn't find the answer to this issue, which most probably have a very basic solution.

I want to merge 2 images by using a mask so I will have :

1.- original image a.jpg ( background )
2.- new image b.jpg ( over the background)
3 ...