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How to open a saved figure?

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Nicholas Kavouris
Nicholas Kavouris on 30 Jan 2023
Commented: Fangjun Jiang on 30 Jan 2023
I save figures to a MasterStruct for later access to store data, i am trying to open the figures using two different methods:
1.
figure(MasterStruct(k).fighandle)
Error using figure
Argument must be a Figure object or a positive integer.
class(MasterStruct(k).fighandle)='matlab.ui.Figure'
2.
openfig("file/subfolder/fighandle.fig")
figure(fighandle)
Error using figure
Argument must be a Figure object or a positive integer.
How can i open these previously made figures? the workspace identifies fighandle as a 1x1 figure

Answers (1)

Fangjun Jiang
Fangjun Jiang on 30 Jan 2023
If you have the figure saved in a .fig file, I think it should be
open('file/subfolder/fighandle.fig')
  4 Comments
Nicholas Kavouris
Nicholas Kavouris on 30 Jan 2023
i undrstand the concepts you outlined above, what I dont understand is:
When i attempt to index into the fields of the structure shown in the attached picture, why does matlab not allow me to open the figures saved in the struct?
It seems logical that using the figure() or openfig() command would work to display this figure since its class is figure
Fangjun Jiang
Fangjun Jiang on 30 Jan 2023
The syntax for openfig(filename) is that the input argument is a .fig file name.
Use variable "a" and "b" above, "a" is a figure handle. It contains meta data of the figure. You could do
open a, it opens the figure property editor
but openfig(a) errors because openfig() expects a .fig file name.

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