MATLAB: Assigning a context menu to a UIAxes

app designerMATLABuiaxes

I am using appdesigner with Matlab 2020b.

I have a UIAxes in the main window, and I would like to assign a context menu to that axis.

I have implemented the context menu, and I can attach it to the 'panel' that contains the UIAxes. The axis functions correctly when I right-click on the panel around the UIAxes.

But I cannot attach the context menu to the UIAxes itself. The menu only appears when I right-click on the panel, not on the UIAxes.

The context menu is assigned to the UIAxes (see attached PNG file).

Brian Wandell

wandell@stanford.edu

(lmperry@stanford.edu is the name of my lab manager. I would appreciate if you could make sure the message is also sent to my account).

Best Answer

Hello Brian,

You can attach Context Menu component to the UIAxes component by drag & drop, from the Component Browser, or from the Context Menus (if it's already made).

If you're creating menus programmatically, then you can assign them to UIAxes by ContextMenu property.

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MATLAB: Is it possible to change the colors of the numbers in the axes

There are so many properties you can set. for example:

plot(1:10);
ax = gca;
get(ax)  % Display what properties we can alter
                       ALim: [0 1]
                   ALimMode: 'auto'
     ActivePositionProperty: 'outerposition'
          AmbientLightColor: [1 1 1]
               BeingDeleted: 'off'
                        Box: 'on'
                   BoxStyle: 'back'
                 BusyAction: 'queue'
              ButtonDownFcn: ''
                       CLim: [0 1]
                   CLimMode: 'auto'
             CameraPosition: [5.5000 5.5000 17.3205]
         CameraPositionMode: 'auto'
               CameraTarget: [5.5000 5.5000 0]
           CameraTargetMode: 'auto'
             CameraUpVector: [0 1 0]
         CameraUpVectorMode: 'auto'
            CameraViewAngle: 6.6086
        CameraViewAngleMode: 'auto'
                   Children: [1×1 Line]
                   Clipping: 'on'
              ClippingStyle: '3dbox'
                      Color: [1 1 1]
                 ColorOrder: [7×3 double]
            ColorOrderIndex: 2
                  CreateFcn: ''
               CurrentPoint: [2×3 double]
            DataAspectRatio: [4.5000 4.5000 1]
        DataAspectRatioMode: 'auto'
                  DeleteFcn: ''
                  FontAngle: 'normal'
                   FontName: 'Helvetica'
                   FontSize: 10
              FontSmoothing: 'on'
                  FontUnits: 'points'
                 FontWeight: 'normal'
                  GridAlpha: 0.1500
              GridAlphaMode: 'auto'
                  GridColor: [0.1500 0.1500 0.1500]
              GridColorMode: 'auto'
              GridLineStyle: '-'
           HandleVisibility: 'on'
                    HitTest: 'on'
              Interruptible: 'on'
    LabelFontSizeMultiplier: 1.1000
                      Layer: 'bottom'
                     Legend: [0×0 GraphicsPlaceholder]
             LineStyleOrder: '-'
        LineStyleOrderIndex: 1
                  LineWidth: 0.5000
             MinorGridAlpha: 0.2500
         MinorGridAlphaMode: 'auto'
             MinorGridColor: [0.1000 0.1000 0.1000]
         MinorGridColorMode: 'auto'
         MinorGridLineStyle: ':'
                   NextPlot: 'replace'
              OuterPosition: [0 0 1 1]
                     Parent: [1×1 Figure]
              PickableParts: 'visible'
         PlotBoxAspectRatio: [1 0.7903 0.7903]
     PlotBoxAspectRatioMode: 'auto'
                   Position: [0.1300 0.1100 0.7750 0.8150]
                 Projection: 'orthographic'
                   Selected: 'off'
         SelectionHighlight: 'on'
                 SortMethod: 'childorder'
                        Tag: ''
                    TickDir: 'in'
                TickDirMode: 'auto'
       TickLabelInterpreter: 'tex'
                 TickLength: [0.0100 0.0250]
                 TightInset: [0.0363 0.0532 0.0134 0.0202]
                      Title: [1×1 Text]
    TitleFontSizeMultiplier: 1.1000
            TitleFontWeight: 'bold'
                       Type: 'axes'
              UIContextMenu: [0×0 GraphicsPlaceholder]
                      Units: 'normalized'
                   UserData: []
                       View: [0 90]
                    Visible: 'on'
                      XAxis: [1×1 NumericRuler]
              XAxisLocation: 'bottom'
                     XColor: [0.1500 0.1500 0.1500]
                 XColorMode: 'auto'
                       XDir: 'normal'
                      XGrid: 'off'
                     XLabel: [1×1 Text]
                       XLim: [1 10]
                   XLimMode: 'auto'
                 XMinorGrid: 'off'
                 XMinorTick: 'off'
                     XScale: 'linear'
                      XTick: [1 2 3 4 5 6 7 8 9 10]
                 XTickLabel: {10×1 cell}
             XTickLabelMode: 'auto'
         XTickLabelRotation: 0
                  XTickMode: 'auto'
                      YAxis: [1×1 NumericRuler]
              YAxisLocation: 'left'
                     YColor: [0.1500 0.1500 0.1500]
                 YColorMode: 'auto'
                       YDir: 'normal'
                      YGrid: 'off'
                     YLabel: [1×1 Text]
                       YLim: [1 10]
                   YLimMode: 'auto'
                 YMinorGrid: 'off'
                 YMinorTick: 'off'
                     YScale: 'linear'
                      YTick: [1 2 3 4 5 6 7 8 9 10]
                 YTickLabel: {10×1 cell}
             YTickLabelMode: 'auto'
         YTickLabelRotation: 0
                  YTickMode: 'auto'
                      ZAxis: [1×1 NumericRuler]
                     ZColor: [0.1500 0.1500 0.1500]
                 ZColorMode: 'auto'
                       ZDir: 'normal'
                      ZGrid: 'off'
                     ZLabel: [1×1 Text]
                       ZLim: [-1 1]
                   ZLimMode: 'auto'
                 ZMinorGrid: 'off'
                 ZMinorTick: 'off'
                     ZScale: 'linear'
                      ZTick: [-1 0 1]
                 ZTickLabel: ''
             ZTickLabelMode: 'auto'
         ZTickLabelRotation: 0
                  ZTickMode: 'auto'

The colors are in the range of 0-1 and in order r, g, b. So for example, red would be [1,0,0]. So to make a font size of 20 with the x labels being red and the y labels being blue, you'd add these lines:

ax.FontSize = 20;
ax.XColor = [1, 0, 0]; % X labels are red.
ax.YColor = [0, 0, 1]; % Y labels are blue.

MATLAB: GCA attributes axes changes

Use set command

Example

t=0:0.1:10;
y=sin(t);
plot(t,y);
set(gca,'xlim',[0 5])

With the new version of Matlab

h=gca
h.XLim=[0 5]

Best Answer

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MATLAB: Is it possible to change the colors of the numbers in the axes

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