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To Expand Subsystem by using model explorer

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Hi,
is it possible any subsystem to expand by using model exploerer?
Thank you in advance
Mustafa
  4 Comments
Mustafa Uslu
Mustafa Uslu on 23 Jan 2021
I wouldn't like to expand the subsystem on the highest level of my model, but each sub-system on the highest level has a sub subsystem.
My goal is to expand all of these sub subsystems, in order to expand without clicking each subsystem individually.
many thanks.

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Accepted Answer

Sai Veeramachaneni
Sai Veeramachaneni on 25 Jan 2021
Hi,
Step-1: Get all the blocks and subsystems in the model using find_system(modelname,'Type','Block')
Step-2: Apply Simulink.BlockDiagram.expandSubsystem(blockname). This type of Subsystem expansion applies to the currently selected subsystem level. Simulink does not expand other subsystems in a nested subsystem hierarchy which is the functionality you are looking for.
Example:
blocks = find_system(model_name,'Type','Block');
for i = 1:numel(blocks)
try
Simulink.BlockDiagram.expandSubsystem(blocks{i})
catch
%This will catch when we try to expand anything apart from Subsystem.
continue
end
end
Hope it helps.

More Answers (1)

Mustafa Uslu
Mustafa Uslu on 27 Jan 2021
Edited: Mustafa Uslu on 27 Jan 2021
Hi Sai,
thank you for your solution.
If I try to write below code in Matlab Command window, then I get always this message:
E.g.:
Simulink.BlockDiagram.expandSubsystem('SubsystemExpansionModel/Subsystem')
Invalid Simulink object specifier
Note: subsystems are not masked, linked, or commented.
Thanks
Mustafa
  3 Comments
Mustafa Uslu
Mustafa Uslu on 29 Jan 2021
Hi Sai,
I have solved this issue with below code script based on your first suggestion.
By the way , it is possible to get child subsystem of subsystem on the highest level with 'SearchDepth'......
Thanks and BR
Mustafa
blocks=find_system('model_name','SearchDepth','2','Name','target_subsystem');
for i = 1:numel(blocks)
try
Simulink.BlockDiagram.expandSubsystem(blocks{i})
catch
%This will catch when we try to expand anything apart from Subsystem.
continue
end
end

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