How to add transparency to animatedline?

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Tong Zhao
Tong Zhao 2017-7-13
评论： Walter Roberson 2017-7-13
I have some animation in plot that I want to add transparency to, since I'm plotting multiple data with different color, and sometimes they overlap. I tried alpha(object, 0.5), where object is the object created by command animatedline. But then the warning shows that 'The alpha command is not compatible with the specified objects'.
Is there a way to make the animatedline objects transparent to an extent? Thanks.

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Walter Roberson
Walter Roberson 2017-7-13
It turns out to be possible, but not documented. Instead of setting the Color property to an RGB triple, set it to a quad, a list of 4 numbers between 0 and 1, RGBA.
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Walter Roberson
Walter Roberson 2017-7-13
It appears that MarkerFaceColor cannot be set to transparent that way. I will keep looking.
Walter Roberson
Walter Roberson 2017-7-13
I figured out a java approach to find and set the MarkerFaceColor including an alpha component. Unfortunately, the alpha part does not "stick": as soon as it is set, it gets reset back to 1.0

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