What is the difference for sample/resample/scale/resize/adaptive-resize/thumbnail operators in ImageMagick convert?

Question

I found multiple ways to change the resolution of an image using convert:

-sample
-resample
-scale
-resize
-adaptive-resize
-thumbnail
         


        

Answer 1

As said by Ciro Santilli 新疆改造中心 六四事件 法轮功:

If you had sample images, this would be even more perfect :-)

-resize

(8.0 kB)

-sample

(2.2kB)

-scale

(7.0 kB)

-adaptive-resize

(4.3 kB)