Plot in MATLAB app desinger not working
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Hello, every time I try to plot this in matlab app desinger it does not work. Any explanation why? The plot just shows up as white.
global image;
horDim = app.HorizontalDimensionsEditField.Value;
vertDim = app.VerticalDimensionsEditField.Value;
dropDistance = app.DropDistanceEditField.Value;
diameter = app.DiameterEditField.Value;
processingImage = image;
if ndims(processingImage) > 2; processingImage = rgb2gray(processingImage); end
BW = imbinarize(processingImage);
BW = imresize(BW, [horDim,vertDim]);
Goal = flip(BW);
writematrix(double(Goal), 'Standard.xlsx');
writematrix(double(~Goal), 'Reverse.xlsx');
for i = 1:1:horDim
for j = 1:1:vertDim
if(Goal(i,j) == 1)
xvalue = j*dropDistance;
yvalue = i*dropDistance;
plot(app.UIAxes2, xvalue, yvalue);
hold(app.UIAxes2)
else
xvalue2 = j*dropDistance;
yvalue2 = i*dropDistance;
plot(app.UIAxes2, xvalue2, yvalue2);
pause(.005)
end
end
end
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Risposte (1)
Walter Roberson
il 6 Dic 2021
plot() only draws lines if you supply at least two adjacent finite coordinates in a single call. However you are passing in scalar values so no lines are drawn.
By default markers are not drawn when you use plot(). If you want to plot() one point at a time be sure to specify the marker type in the call.
2 Commenti
Walter Roberson
il 6 Dic 2021
The hold call you coded is toggling hold every time it is called. you need to add 'on' as a parameter to the call
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