Blocks in Model seem to disappear when zooming in or out

Question

Frank 2012-11-27

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Hey there,

since a few days i'm using MATLAB 2012b (previously 2007b). I've updated all the models via the slupdate function and my models work fine! (Results are as they should be)

Only thing is, whenever i start to zoom in or out of the model it seems that the blocks within the model disappear. Knowing where the different blocks or subsystems are i can even open them by double klicking (and actually see the content of the subsystem) and return back to the previous level with esc and see an "empty" model. This might happen at a zoom level of 120% then zooming in i can see the model again, zooming out and it happens at 100%, just randomly. So it's not a problem of a certain zoom level. This is very annoying. Any ideas what might be the problem?

Regards Frank

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Ryan G 2012-11-27

What operating system and what types of blocks are disappearing (sounds like all of them)?

This sounds like it could be a real problem for you and I would recommend contacting technical support for such a serious issue which can only be seen while Simulink is in use.

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Answer 1

Babak 2012-11-28

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I think you are panning and zooming. The blocks don't disappear. They are there but you need to scroll all the way up to see them.

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Frank 2012-11-28

Unfortunately it's not a panning and zooming issue. It also happens when you press the space bar, which is supposed to zoom in and center the model to a level to get an overview of your model.

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Answer 2

Frank 2012-11-28

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Back to the question of the OS: I'm using Win XP SP3 MATLAB 2012b 32bit

I figured it just happens after i get one of those Errors when using to many scopes in the model and you get this "failed to set IDBits". Basically you can solve that issue by changing the renderer of the scope. But it seems that it's messin' up the Simulink rendering.

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Frank 2012-11-29

Looks like a memory Problem. I got a quite big model and alot of data. In the befinning everything seems to be fine. after some simulations and changes it's messed up again. Well and without slupdate the model is not running due to some blocks that changed within simulink (as expected)

Ryan G 2012-11-29

Sorry to hear you're hitting the memory barrier. There are some tricks you could try to employ that may help, but realistically you should work towards getting up to a 64-bit machine for a long-term solution.

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