morph
Arguments:
- nb_inner_frames>=1,_smoothness>=0,_precision>=0
Description:
Create morphing sequence between selected images.
Default values:
smoothness=0.1 and precision=7.
Example of use:

Command:
image.jpg +rotate 20,1,1,50%,50% morph 9

Command:
image.jpg +rotate 20,1,1,50%,50% morph 9

Command:
image.jpg +rotate 20,1,1,50%,50% morph 9

Command:
image.jpg +rotate 20,1,1,50%,50% morph 9

Command:
image.jpg +rotate 20,1,1,50%,50% morph 9

Command:
image.jpg +rotate 20,1,1,50%,50% morph 9

Command:
image.jpg +rotate 20,1,1,50%,50% morph 9

Command:
image.jpg +rotate 20,1,1,50%,50% morph 9

Command:
image.jpg +rotate 20,1,1,50%,50% morph 9

Command:
image.jpg +rotate 20,1,1,50%,50% morph 9

Command:
image.jpg +rotate 20,1,1,50%,50% morph 9