Hi Karim,
Yes the morph is added as a new model.  The command both creates the morph and plays it.  However, the default is only 25 frames (playstep 0.04 frames 25) and may finish playing very quickly, so maybe you didn’t notice it.  For example, commands

open emdb:1283
open emdb:1284
volume morph #1,2

…create #3 as the morph and quickly show it.  Could try more frames if you want it to take longer:

close #3; vol all show
volume morph #1,2 playstep 0.01 frames 100

See description of command options:
<http://rbvi.ucsf.edu/chimerax/docs/user/commands/volume.html#morph>

I hope this helps,
Elaine
-----
Elaine C. Meng, Ph.D.                      
UCSF Chimera(X) team
Department of Pharmaceutical Chemistry
University of California, San Francisco

> On Jan 28, 2020, at 10:06 AM, Karim Rafie <karim.rafie@umu.se> wrote:
>
> Dear all,
> I would like to create a morph movie between two volumes in ChimeraX, however I am having difficulties with generating it.
> I am using the following command (e.g.) to "create" the morph:
>
> volume morph #1,2 frames 50
>
> After it has completed I get a new volume but I can't review the frames themselves, i.e. the output is a new map. I tried scouring the tutorials and command page but can't find a solution.
>
> I tried it with the ChimeraX Ubuntu 16.04 distribution as well as the generic linux version.
> Any help would be greatly appreciated.
> Best wishes,
> Karim