so in appdesigner im building a list box to turn the image to (red ,blue ,green) this is my code for it bout it wont run
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value = app.ListBox.Value;
if value== 'Red'
a=(app.Image);
red=a;
red(:,:,2:3)=0
setappdata(0,'filename',red);
setappdata(0,'imrotation',red);
I=imshow(red,'parent',app.UIAxes2,...
'XData',[1 app.UIAxes2.Position(3)],...
'YData',[1 app.UIAxes2.Position(4)]);
app.UIAxes2.XLim=[0 I.XData(2)];
app.UIAxes2.YLim=[0 I.YData(2)];
else if value== 'Blue'
Agray=im2gray(app.Image);
zerochan = zeros(size(Agray),class(Agray));
blue = cat(3,zerochan,zerochan,Agray);
setappdata(0,'filename', blue);
setappdata(0,'imrotation', blue);
I=imshow(blue,'parent',app.UIAxes2,...
'XData',[1 app.UIAxes2.Position(3)],...
'YData',[1 app.UIAxes2.Position(4)]);
app.UIAxes2.XLim=[0 I.XData(2)];
app.UIAxes2.YLim=[0 I.YData(2)];
else
Agray=im2gray(app.Image);
zerochan = zeros(size(Agray),class(Agray));
green = cat(3,zerochan,Agray,zerochan);
setappdata(0,'filename',green);
setappdata(0,'imrotation',green);
I=imshow(green,'parent',app.UIAxes2,...
'XData',[1 app.UIAxes2.Position(3)],...
'YData',[1 app.UIAxes2.Position(4)]);
app.UIAxes2.XLim=[0 I.XData(2)];
app.UIAxes2.YLim=[0 I.YData(2)];
end
end
end
1 comentario
Respuestas (1)
Kevin Holly
el 13 de En. de 2023
Based on the red squiggly line under Methods in your screenshot, you may have an extra "end" in your code.
2 comentarios
Kevin Holly
el 13 de En. de 2023
Use strings instead of character arrays for your if conditions
if value == "Red"
The size was causing issues. See difference of size between character and string arrays below.
Character array:
size('Red')
String array:
size("Red")
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