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Hi Samuel, <br>
what I really do is this:<br>
<br>
<pre style="font-family:Monospaced;font-style:normal;font-size:13.0;"><big><big>xdel()
figure_size=[1800 900];
cf=figure(1,'position',[0 0 figure_size],'background',8,'immediate_drawing','off','visible','off');
//...
//plot3d and param3d commands
// ...
Rotation_Angles=[85 -64];
ca=<span style="text-decoration: underline;">gca</span>();
ca.box='off';
xtitle('$\Huge{\text{Isometrisch}}$','','')
cf.immediate_drawing='on'; cf.visible='on';
m1= uimenu(cf,'label','Himmelspol','callback','ra=[0,0],xtitle(''$\Huge{\text{Himmelspol}}$'','','')');
m2= uimenu(cf,'label','Ost','callback','ra=[90,90],xtitle(''$\Huge{\text{Ost}}$'','','')');
m3= uimenu(cf,'label','Äquator','callback','ra=[90,0],xtitle(''$\Huge{\text{Äquator}}$'','','')');
m4= uimenu(cf,'label','West','callback','ra=[90,-90],xtitle(''$\Huge{\text{West}}$'','','')');
m5= uimenu(cf,'label','Isometrisch','callback','ra=Rotation_Angles,xtitle(''$\Huge{\text{Isometrisch}}$'','','')');
m6= uimenu(cf,'label','Animation','callback','Case=1,xtitle(''$\Huge{\text{Rotierend}}$'','','')');
m7= uimenu(cf,'label', 'Aus', 'callback', "t=%f");
Case=0;<span style="font-style: italic;">//Initiierung für Anfangspassage, d.h.keine Animation</span>
ra=Rotation_Angles;<span style="font-style: italic;">//Initiierung für Anfangspassage</span>
t=%t;
while t==%t
if Case==1<span style="font-style: italic;">//m6</span>
Case=0;
rota=ca.rotation_angles;
for k=[0:1:90 89:-1:0]
drawlater()
ca.rotation_angles=rota+[0 k];
sleep(10);
drawnow()
end<span style="font-style: italic;">//for k=[ .... ]</span>
else
sleep(200)
ca.rotation_angles=ra;
end<span style="font-style: italic;">//if</span>
end<span style="font-style: italic;">//while</span></big></big>
</pre>
<br>
This works satisfactorily. I could not get the result without the
infinite loop.<br>
<br>
Kind regards<br>
Jens<br>
-----------------------------------------------------------------------<br>
<br>
<br>
<div class="moz-cite-prefix">Am 18.12.2016 16:36, schrieb Samuel
Gougeon:<br>
</div>
<blockquote cite="mid:5856AD01.8060001@free.fr" type="cite">
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<div class="moz-cite-prefix">Le 18/12/2016 16:20, Jens Simon Strom
a écrit :<br>
</div>
<blockquote cite="mid:5856A928.8070306@hslmg.de" type="cite">
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Hi Samuel,<br>
Without the loop the script finishes and gives no chance to
change anything. <br>
</blockquote>
?<br>
Have you tried? Since the figure and its menus are still here, you
can still use them, even if the script having generating them is
finished.<br>
<br>
A callback is an asynchronous independent script that is performed
just when it is called, "at any time" (actually, its instructions
are queued when it is called, and performed ASAP).<br>
<br>
You don't need to block the console with a loop to make changes or
actions on existing graphics.<br>
But if you want to make it "modal", that is to say waiting for and
compelling the user to do something, yes, a loop is required.<br>
BTW, the loop that you use is infinite: there is no way to escape
it smoothly, since<br>
while 1<br>
is always true. <br>
<br>
SG<br>
<br>
<br>
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<br>
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</pre>
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