App Designer: XY Zoom and XY Pan settings

2020 1 19
3 个回答
回答已采纳
更新时间：2020 1 23
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0 个投票

Hi everyone,
Is there a way to lock/choose the XY settings for the zoom and pan features when viewing a 3D surf plot in App Designer?
scroll.png
Using the zoom in the App Designer is giving me big holes in the middle of my surf plots that I don't know how to stop? Any help would be greatly appreciated!
contour hole.png
Thanks in advance!
Cheers

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 采纳的回答

mackhina
mackhina 2020-1-22
编辑：mackhina 2020-1-23

0 个投票

This solutions seems to work to maintain the Z-Axis for both the zoom and pan: UIAxes' YLim property cannot be listened to
I added the function to app designer:
function [inclusivezlim] = mapholdaltlims(app,ax)
objwithz = findobj(app.UIAxes.Children,'-property','ZData');
currmin_z = 0;
currmax_z = 0;
for i = 1:length(objwithz)
currmin_z = min([min(min(objwithz(i).ZData)), currmin_z]);%Need double mins because data could be 2d surface
currmax_z = max([max(max(objwithz(i).ZData)), currmax_z]);
end
inclusivezlim = [currmin_z currmax_z];
ax.ZLim = inclusivezlim;
end
And included the following in each of my plot functions:
warning('off','MATLAB:structOnObject');
warning('off','MATLAB:ui:javaframe:PropertyToBeRemoved'); % Added to turn off java warning
addlistener(struct(app.UIAxes).Axes, 'ZLim', 'PostSet', @(src,evnt)mapholdaltlims(app,app.UIAxes));
There is a delay after zooming/panning, when the Z-Axis is replotted, so it's not the fastest solution, but it does works!
Getting lots of warnings that I don't understand either? Does this mean this function will not work in future versions of Matlab?
Warning: The JavaFrame figure property will be removed in a future release. For more information, see
Recommendations for Java and ActiveX Users on mathworks.com.
> In func_name/startupFcn (line 76)
In appdesigner.internal.service/AppManagementService/tryCallback (line 336)
In matlab.apps/AppBase/runStartupFcn (line 41)
In func_name (line 565)
In appdesigner.internal.service/AppManagementService/runAppWithTryCatch (line 161)
In appdesigner.internal.service/AppManagementService/runDesktopApp (line 89)
In appdesigner.internal.model/AppModel/runAppHelper (line 649)
In appdesigner.internal.model.AppModel>@()appdesigner.internal.model.AppModel.runAppHelper(obj,appArguments) (line 509)

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Nishant Gupta
Nishant Gupta 2020-1-23
Hi,
Since the callback is involved So, it might take the time to load the data and process it according to the callback function. This might be the reason its slow. The Last warnings are because of the warning function that is created as it access JavaFrame and it may not be there in future release.

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更多回答（2 个）

Nishant Gupta
Nishant Gupta 2020-1-22

0 个投票

Hi,
Most probably its because clipping of the plot is taking place when you are zooming in, just set 'clipping' property of UIaxes to 'off'.
app.UIAxes.Clipping = 'off';
mackhina
mackhina 2020-1-22

0 个投票

That stops the clipping in the Z axis, but I get axes now show through the plot when I zoom in, so the data isn't really useable from an end user perspective :(

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