How to subplot figures reopened from .fig files correctly when they containing images?

Question

Zsolt Kocsis 2020-10-6

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/606316-how-to-subplot-figures-reopened-from-fig-files-correctly-when-they-containing-images

回答： Constantino Carlos Reyes-Aldasoro 2020-10-8

I have some saved figures, mostly containing images (imshow) and lines plotted to them. I would like to display them in a subplot after opening them again.

I was trying the copyobj-related suggestions here in the forum, but they don't work well in this situation. The problems are:

Images are displayed upside down
The out-of-image parts of the lines appearing in the subplot
Aspect ratio changes

When I just reopen the .fig files and display them individually as separate figures there is no problem, it displays well.

Could anybody help me, how to display the subplots to look like the original figures?

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Answer 1

Constantino Carlos Reyes-Aldasoro 2020-10-8

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/606316-how-to-subplot-figures-reopened-from-fig-files-correctly-when-they-containing-images#answer_508921

What you have to do is to grab each element by its handles, to grab the handles of a figure you use

>> h0=gcf;

then you can access the fields, i.e.

>> get(h0)
                 Alphamap: [1×64 double]
             BeingDeleted: 'off'
               BusyAction: 'queue'
            ButtonDownFcn: ''
                 Children: [1×1 Axes]
                 Clipping: 'on'
          CloseRequestFcn: 'closereq'
                    Color: [0.9400 0.9400 0.9400]
                 Colormap: [64×3 double]
                CreateFcn: ''
              CurrentAxes: [1×1 Axes]
         CurrentCharacter: ''
            CurrentObject: [0×0 GraphicsPlaceholder]
             CurrentPoint: [0 0]
                DeleteFcn: ''
             DockControls: 'on'
                 FileName: 'C:\Users\sbbk034\Desktop\derivative.png'
        GraphicsSmoothing: 'on'
         HandleVisibility: 'on'
            InnerPosition: [960 230 560 420]
            IntegerHandle: 'on'
            Interruptible: 'on'
           InvertHardcopy: 'on'
              KeyPressFcn: ''
            KeyReleaseFcn: ''
                  MenuBar: 'figure'
                     Name: ''
                 NextPlot: 'add'
                   Number: 1
              NumberTitle: 'on'
            OuterPosition: [952 222 576 513]
         PaperOrientation: 'portrait'
            PaperPosition: [3.0917 9.2937 14.8167 11.1125]
        PaperPositionMode: 'auto'
                PaperSize: [21.0000 29.7000]
                PaperType: 'A4'
               PaperUnits: 'centimeters'
                   Parent: [1×1 Root]
                  Pointer: 'arrow'
        PointerShapeCData: [16×16 double]
      PointerShapeHotSpot: [1 1]
                 Position: [960 230 560 420]
                 Renderer: 'opengl'
             RendererMode: 'auto'
                   Resize: 'on'
               Scrollable: 'off'
            SelectionType: 'normal'
           SizeChangedFcn: ''
                      Tag: ''
                  ToolBar: 'auto'
                     Type: 'figure'
            UIContextMenu: [0×0 GraphicsPlaceholder]
                    Units: 'pixels'
                 UserData: []
                  Visible: 'on'
      WindowButtonDownFcn: ''
    WindowButtonMotionFcn: ''
        WindowButtonUpFcn: ''
        WindowKeyPressFcn: ''
      WindowKeyReleaseFcn: ''
     WindowScrollWheelFcn: ''
              WindowState: 'normal'
              WindowStyle: 'normal'
>> 

In this case I had one subplot so the children is just one axes, but if it were more, it would show, you can then grab the handles of the children like this

>> h1=h0.Children
h1 = 
  Axes with properties:
             XLim: [0 0.0600]
             YLim: [0 0.1000]
           XScale: 'linear'
           YScale: 'linear'
    GridLineStyle: '-'
         Position: [0.1300 0.1100 0.7750 0.8150]
            Units: 'normalized'
  Show all properties
>> 