If you want better quality images from your figures, I would suggest downloading the submission Myaa by Anders Brun on The MathWorks File Exchange. It allows you to create anti-aliased graphics in MATLAB. Here's a screenshot from the submission illust...
Try this, but don't use a docked figure. Just use GETFRAME the normal way, but switch to software rendering of OPENGL. You should still be able to use transparency. opengl('software') #Source: http://www.mathworks.com/matlabcentral/answers/9000-cannot...
