image processing - Set alpha value to a particular figure on MATLAB GUI -

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i have matlab gui contains 2 axes. want change alpha value of plane plotting in 1 of axes. reason command alpha(0.5) getting defaulted first axes. can me please?

here code:

point1 = [2000,0,-1000] point2 = [-2000,0,-1000] point3 = [-2000,0,1000] point4 = [2000,0,1000]  points = [point1' point2' point3' point4'] fill3(points(1,:),points(2,:),points(3,:),[1,0.4,0.5],'parent',handles.axes2) alpha(0.3,handles.axes2)//notworking

thank you!


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