Text object out of the axes
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Giuela
el 22 de Sept. de 2020
Comentada: Ameer Hamza
el 22 de Sept. de 2020
On my axes I draw an item (for example a circle) and close to it I put a text object as the name of the item.
When I change the axes limits in order to change the view, like a paneling, if the item is not in the new axis range is not drawn, but the text is drawn also if its position is completely out of the axis range.
Te effect is that the text could be in everey place of the figure.
Is there a way to not draw the text if it's out of the axes area?
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Ameer Hamza
el 22 de Sept. de 2020
The only way I found is to create an event listener, and inside the callback function, check if the text object is outside the axes limits. If the text is outside, then set the 'visible' property to 'off'. https://www.mathworks.com/matlabcentral/answers/92886-how-do-i-create-a-callback-function-which-gets-executed-whenever-the-xlim-value-of-axes-changes
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Giuela
el 22 de Sept. de 2020
1 comentario
Ameer Hamza
el 22 de Sept. de 2020
Actually, the text objects are used for a lot of things. For example, xlabel, ylabel, and title of axes are all text objects. Therefore, it is designed such that it remains visible as long as the x y coordinates can are within the figure limits. It does disappear if you change the axes limits by a large amount.
For example
ax = axes();
plot(1:10);
text(ax, 5, 5, 'ABCD');
It will display ABCD at (5, 5). But if you change the x-limits to
ax.XLim = [10, 20];
the text will not longer be visible.
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