problem of displaying the progress bar on a separate figure

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Samah EL QASSAH
Samah EL QASSAH 2017-9-20
评论： Rik 2017-9-20
Hi,
I created a GUI in which I insert a progress bar which starts when the output of my simulink subsystem goes to 1. The code is as follows:
I added the following lines to the OpeningFcn function:
% --- Executes just before MAJ is made visible.
function MAJ_OpeningFcn(hObject, eventdata, handles, varargin)
% This function has no output args, see OutputFcn.
% hObject handle to figure
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
% varargin command line arguments to GUI_MAJ_Distance_OTA (see VARARGIN)
axes(handles.axes1);
set(handles.axes1,'Xtick',[],'Ytick',[],'Xlim',[0 1000]);
rectangle('Position',[0,0,(round(0))+1,20],'FaceColor','green', 'visible', 'off');
text(480,10,[num2str(0),'%']);
The code:
function Output_GUI(obj, event, handles)
rto1 = get_param('MAJ/X','RuntimeObject');
if((rto1.OutputPort(15).Data == 1) & (rto1.OutputPort(16).Data == 0))
set(handles.axes1, 'visible', 'on');
Max=1000; % Maximum value
set(handles.axes1,'Xtick',[],'Ytick',[],'Xlim',[0 1000]);
for Index = 0 : Max
axes(handles.axes1);
cla(handles.axes1);
rectangle('Position',[0,0,(round(1000*Index/Max))+1,20],'FaceColor','green');
text(480,10,[num2str(round(100*Index/Max)),'%']);
end
end
Once the output 16 is set to 1, the progression must reach 100%
I insert an axis on my HMI as shown here:
The problem is that the progress bar is displayed on a separate GUI and the progress is very slow.
I don't know what exactly the problem.

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采纳的回答

Rik
Rik 2017-9-20
Why go to the trouble of making something yourself when Matlab has a nice and ready solution for you: waitbar. It has been in Matlab for a very long time, so even backward compatibility isn't an issue (in case you'dd need that).

更多回答（1 个）

Samah EL QASSAH
Samah EL QASSAH 2017-9-20
I have the this code where Inputport is X and Outputport is Y
function Output_GUI(obj, event, handles)
rto1 = get_param('waitbar_test/Sub','RuntimeObject');
if((rto1.InputPort(1).Data == 1) & (rto1.OutputPort(1).Data ~= 1))
h = waitbar(0,'Please wait...');
steps = 10000;
for step = 1:steps
% computations take place here
waitbar(step / steps)
end
close(h)
end
When X = 1 the waitbar must start in parallel with the simulink counter. Once the timer finishes Y goes to 1 and the waitbar must reach 100%.
But that is not what happens. When X = 1 the waitbar starts and simulink is blocked so the counter does not progress anymore. The waitbar runs in a loop. and it is only when I close the waitbar that the counter starts counting.
I don't understand what the problem is.
  1 个评论
Rik
Rik 2017-9-20
You need to provide the handle to a waitbar to update the progress. Read the doc for more information about how to use it. I have next to no experience with Simulink, so I can't tell if there is anything you should be doing differently with that interface.

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