[chimerax-users] How to zoom into a spot that is not located in the center gradually and straightly?

[Steve Chou]

It seems that "view" info is not saved in .cxs file. After I save the
session, and open it the next time, 'view list' says 'No named views'.
Steve

On Thu, Feb 21, 2019 at 2:18 PM Elaine Meng <meng at cgl.ucsf.edu> wrote:

> Probably. Just read the provided information about command files and
> making movies (links in my previous reply) including links from those pages
> to example movie files and tutorials, and experiment with executing your
> file containing some combination of action commands and “wait” commands to
> delay when the action commands start.
>
> Whenever I make a script it involves a lot of trial and error,
> (re)executing the script and adjusting it.  Just try it rather than asking
> here about each detail in your movie.
>
> I suspect you will really be using much larger frame numbers, as 4 frames
> will happen in the blink of an eye.  The “making movies” page has a
> discussion of frame rate at the bottom.
> Elaine
>
> > On Feb 21, 2019, at 9:38 AM, Steve Chou <stevezchou at gmail.com> wrote:
> >
> > Hi Elaine,
> > It looks like 'perframe' command allows me to execute multiple commands
> at the same time. Is it possible to run one command for 4 frames, and the
> other 4 commands sequentially at each frame?
> > ============
> > command 1: view view_a  4                       #### transit to view_a
> in 4 frames/steps
> > command 2: transparency #1 50 target s   #### on frame 1
> > command 3: color  # 2  magenta target c   #### on frame 2
> > command 4: display #1/A:10                      #### on frame 3
> > command 5: transparency #3 20 target c   #### on frame 4
> > ============
> > Steve
> >
> > On Thu, Feb 21, 2019 at 11:15 AM Elaine Meng <meng at cgl.ucsf.edu> wrote:
> > Hi Steve,
> > You can use other commands with frame arguments (perframe, etc.) to do
> other things at the same time as the movement transitions.  In a command
> file, if you put multiple commands on the same line separated by semicolons
> (and no “wait” command between), they start executing at the same time.
> > <http://rbvi.ucsf.edu/chimerax/docs/user/commands/perframe.html>
> >
> > See the general information about making movies
> > <http://rbvi.ucsf.edu/chimerax/docs/user/movies.html>
> >
> > …and scripting with command files
> > <
> http://rbvi.ucsf.edu/chimerax/docs/user/commands/usageconventions.html#cxc-files
> >
> >
> > To divide into more positioning stages, you would have to save more
> views at the intermediate positions.  Each transition would still be
> pairwise between two views.
> >
> > In Chimera we had “scenes” that included not only position but also
> display styles and colors, and transitions between scenes, but they are not
> currently available in ChimeraX.
> > I hope this helps,
> > Elaine
> > -----
> > Elaine C. Meng, Ph.D.
> > UCSF Chimera(X) team
> > Department of Pharmaceutical Chemistry
> > University of California, San Francisco
> >
> >
> >
> >
> > > On Feb 21, 2019, at 6:04 AM, Steve Chou <stevezchou at gmail.com> wrote:
> > >
> > > Thanks Elaine! This is exactly what I want.
> > > =============
> > > # save current view settings
> > > view save my_view_name
> > >
> > > # move to another position, zoom in or out, and color some residues etc
> > >
> > > # get back to the original view in 20 frames along a STRAIGHT line
> > > view my_view_name 20
> > > =============
> > >
> > > In the 20 frames of transition time, I can not do anything now. Is it
> possible to do something during the transition, like changing the surface
> transparency? Can we save the view matrix, devide the transition into many
> steps, and  do something else ( not motion-related, but coloring-related,
> etc) at each step?
> > > Steve
> > >
> > >
> > > On Wed, Feb 20, 2019 at 7:45 PM Elaine Meng <meng at cgl.ucsf.edu> wrote:
> > > Hi Steve,
> > > Not sure if it will solve the problem, but you could try saving views
> (“view save”) of the desired start and end positions, possibly also
> intermediate positions, and then use “view” with frames argument to
> gradually transition from one previously saved view to the another.  Saved
> views and their names are included in saved sessions.
> > > Elaine
> > >
> > > <http://rbvi.ucsf.edu/chimerax/docs/user/commands/view.html#name>
> > >
> > > > On Feb 20, 2019, at 4:30 PM, Steve Chou <stevezchou at gmail.com>
> wrote:
> > > >
> > > > Dear ChimeraX team,
> > > > Thanks for your fast and detailed responses to my questions!
> > > >
> > > > If a spot is in the center of view, we can zoom into the spot
> through a straight line. If it's not, it's really difficult to get there
> through a straight line.
> > > > I tried something like this in a "movie" script, but it's still not
> straight.
> > > > =========
> > > > move y -20
> > > > zoom 1.25
> > > > wait 2
> > > > move y -20
> > > > zoom 1.25
> > > > wait 2
> > > > move y -20
> > > > zoom 1.25
> > > > wait 2
> > > > =========
> > > > Is there a way to zoom into a spot that is not in the center of view
> through a straight line.
> > > > Steve
> > > > --
> > > > Steve Chou
> > > >
> > > >
> > > > _______________________________________________
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> > > > ChimeraX-users at cgl.ucsf.edu
> > > > Manage subscription:
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> > >
> > > --
> > > Steve Chou
> > >
> > >
> > > _______________________________________________
> > > ChimeraX-users mailing list
> > > ChimeraX-users at cgl.ucsf.edu
> > > Manage subscription:
> > > http://www.rbvi.ucsf.edu/mailman/listinfo/chimerax-users
> >
> >
> >
> > --
> > Steve Chou
> >
> >
> > _______________________________________________
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> > ChimeraX-users at cgl.ucsf.edu
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>
>

-- 
Steve Chou
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