How do I use the rectangle function in a GUI axes using AppDesigner?
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I am trying to include this function in my GUI on AppDesigner, but it keeps drawing an error message.
function GUIshipPlacement()
for i = 0:3
for j = 0:3
rectangle(app.UIAxes,'Position', [i, j, 1, 1], 'FaceColor', [0 0.4470 0.7410], ...
'EdgeColor', 'k');
rectangle(app.UIAxes,'Position', [i+0.375, j+0.375, 0.25, 0.25], ...
'Curvature', [1, 1], 'FaceColor', [1, 1, 1], 'EdgeColor', [0, 0, 1]);
end
end
Error Msg:
Unable to resolve the name app.UIAxes.
Error in GUIshipPlacement (line 13) rectangle(app.UIAxes,'Position', [i, j, 1, 1], 'FaceColor', [0 0.4470 0.7410], ...
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回答(1 个)
Adam Danz
2021-5-10
编辑:Adam Danz
2021-5-10
To specify the parent handle, use the parent name-value pair, but the syntax you used should have also worked.
rectangle('Position', [i, j, 1, 1], 'FaceColor', [0 0.4470 0.7410], ...
'EdgeColor', 'k','Parent',app.UIAxes)
or
rectangle(app.UIAxes,'Position', [i, j, 1, 1], 'FaceColor', [0 0.4470 0.7410], ...
'EdgeColor', 'k') 'EdgeColor', 'k')
This leads me to believe that you're using a non-existant handle to your UIAxes.
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