How do I check if a subsystem handle is for a stateflow chart

Question

Jamie Wardlaw 2013-11-26

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编辑： Mathieu Leblond 2017-6-8

Hello,

I am trying to write a script that parses my model identifying all subsystems for subsequent processing/modifications via the script.

However, when I have a handle that actually corresponds to a stateflow chart I need to switch to using the stateflow API but how can I easily check if a subsystem handle is a stateflow chart?

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Mathieu Leblond 2017-6-8

编辑：Mathieu Leblond 2017-6-8

在 MATLAB Online 中打开

use the parameter : SFBlockType

flgChart = strcmp(get_param(gcs,'SFBlockType'),'Chart');

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Answer 1

jagpreet makkad 2015-5-21

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编辑：jagpreet makkad 2015-5-21

hi

You can do it by utilizing ErrorFcn callback parameter,for chart its value is 'Stateflow.Translate.translate', may be we can use it to differentiate Stateflow chart.

The better ways to do the same is to find the object of the block

obj=get_param(gcbh,'Object')

then checking it for chart using following command :

tmp_Check= obj.find('-isa','StateFlow.Chart');

if(~isempty(tmp_check))

{

%% Stateflow Chart;

else

%% Simulink object

}

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Answer 2

xu ding 2016-8-22

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https://ww2.mathworks.cn/matlabcentral/answers/107666-how-do-i-check-if-a-subsystem-handle-is-for-a-stateflow-chart#answer_232423

编辑：xu ding 2016-8-22

在 MATLAB Online 中打开

function result = is_subsystem_stateflow(handle_subsystem)
  if strcmp(get_param(handle_subsystem, 'BlockType'), 'SubSystem')
      obj = get_param(handle_subsystem,'Object');
      stateflow = find(obj, '-isa','Stateflow.Chart');
      subsystem_path = [get_param(handle_subsystem, 'Parent'), '/', get_param(handle_subsystem, 'Name')];
      if (length(stateflow) == 1) && strcmp(stateflow.Path, subsystem_path)
          result = true;
      else
          result = false;
      end
  else
      result = false;
  end
end

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Answer 3

Guy Rouleau 2013-11-27

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Use the "MaskType" property of the subsystem... it is equal to 'Stateflow' for a Stateflow chart.

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Tarun(TJ) Jhamnani 2014-7-10

Hello Guy,

I am currently using MATLAB 2014a and recently came to my observation that 'MaskType' property of state-flow block is empty.(Till 2011a it was same what you mentioned in above answer) Is there a new function introduce to differentiate between a normal subsystem and a State flow chart? Can you kindly share the details. Thanks in advance.

Wojciech Przystas 2014-9-30