MATLAB MATLAB Spirograph Animations with Grid Lines

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The discussion addresses a technical issue in MATLAB related to using the "comet" function for creating an animated spirograph path while attempting to add grid lines to the graph. The user experiences a problem where the graph disappears when the "grid" command is executed after the "comet" command, and the grid commands are removed when the comet line runs. A proposed solution involves using the "hold on" command to maintain the existing graph while running the program, but this requires running the program twice, which is seen as inefficient. Suggestions include utilizing the "hold on" and "hold off" commands for basic functionality, and for more advanced adjustments, exploring the "set()" and "get()" commands to modify axis variables and settings.
abercrombiems02
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I have a small technical problem in MATLAB. I am trying to use comet to make an animated path of this spirograph program I've made. I'd also like to add some grid lines however my problem is the following. If i run the comet command everything looks great and works fine, but if I then use a "grid" or "grid on" command, my whole graph disappears. If I try either of the grid commands frist, they are instantly removed when the comet line runs. The only solution I have is to use the hold on command and run the program twice? Any suggestions?
 
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there' is a figure command to say hold so that you draw onto the previous graph...but you shouldn't have to run it twice. It should draw overlap.
 
neurocomp2003 said:
there' is a figure command to say hold so that you draw onto the previous graph...but you shouldn't have to run it twice. It should draw overlap.

type "help hold on" or "help hold".
 
If you want to get even more technical (don't bother unless you want to do anything fancy), you can check out the set() and get() commands to learn how to adjust axis variables and settings.

For simple things, 'hold on' and 'hold off' should work fine.
 

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