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RE: Automatic Closing of Animation Graphics Cells

  • To: mathgroup at smc.vnet.net
  • Subject: [mg38009] RE: [mg37978] Automatic Closing of Animation Graphics Cells
  • From: "David Park" <djmp at earthlink.net>
  • Date: Mon, 25 Nov 2002 01:57:47 -0500 (EST)
  • Sender: owner-wri-mathgroup at wolfram.com

Robert,

The exact commands that should be used depend upon whether you are using
Automatic or Manual Grouping.

For Automatic Grouping...

Needs["Graphics`Animation`"]

Animate[ Plot[ Sin[x t],  {x, -Pi, Pi}, PlotRange -> {-1.1, 1.1} ], {t, 0,
      1},
     Frames -> 10 ];
SelectionMove[EvaluationNotebook[], All, GeneratedCell]
FrontEndTokenExecute["OpenCloseGroup"]; Pause[0.01];
FrontEndTokenExecute["SelectionAnimate"];

For Manual Grouping...

Animate[ Plot[ Sin[x t],  {x, -Pi, Pi}, PlotRange -> {-1.1, 1.1} ], {t, 0,
      1},
     Frames -> 10 ];
SelectionMove[EvaluationNotebook[], All, GeneratedCell]
FrontEndTokenExecute["CellGroup"];
FrontEndTokenExecute["OpenCloseGroup"]; Pause[0.01]
FrontEndTokenExecute["SelectionAnimate"];

I recommend AutomaticGrouping. I have never seen a good notebook done with
manual grouping. Many people fall into using it but I have never seen a good
reason for it and it usually results in long messy and unstructured
notebooks that are difficult to add to or modify.

David Park
djmp at earthlink.net
http://home.earthlink.net/~djmp/

From: Dr. Robert Kragler [mailto:kragler at fh-weingarten.de]
To: mathgroup at smc.vnet.net

Hello,

I am stuck with subsequent problem of FrontEnd programming. Perhaps, someone
knows the
solution. I would appreciate an answer :

when a sequence of graphics cells for an animation is generated it would be
favorable if all
subsequent graphics cells would be grouped with respect to the top graphic
cell (and not with
respect to the preceding input cell evaluated). Then the graphics cells to
be grouped should be
closed  so that only the top level graphics cell is visible and animation is
started with double-
clicking the top level graphics cell only.

I found a partial solution which does the correct marking of the graphics
cells being generated by
a command such as

     Animate[ Plot[ Sin[x t],  {x,-Pi,Pi} ], Frames -> 3 ];
     CloseAniSequenceTest

where the following code for manipulating the notebook is used :

 CloseAniSequenceTest :=
     Module[ { },
                 SelectionMove[ EvaluationNotebook[ ], After,
EvaluationCell ];
                 SelectionMove[ EvaluationNotebook[ ], Next, Cell ];
                 SelectionMove[ EvaluationNotebook[ ], Next,
GeneratedCell ];
                      ?????
                 FrontEndTokenExecute["OpenCloseGroup"]
               ]

But before using the final command FrontEndTokenExecute["OpenCloseGroup"]
there
should be another command preceding that actually does the cell grouping
wanted. The option

                SetOption[ NotebookSelection[ ], CellGrouping -> Automatic ]

does not perform the action I expected, and I could not find any hint in
chapt. 2.10 of the
Mathematica book for the solution.

With the code above the graphics cells are marked correctly using the
command
CloseAniSequenceTest  but no  cell grouping as intended is done.

Which additional Notebook command has to be inserted instead of "????".  I
think only one
additional line of code is required to do this but I cannot not find the
right answer.

Thanks in advance.

Robert Kragler

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    University of Applied Sciences
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