Adding text to plot that is a crystal direction

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Benjamin Cowen
Benjamin Cowen 2017-1-10
评论： Walter Roberson 2017-1-11
Hey, so I want to add text to a plot that is a crystal direction. Sounds easy enough, right?
It's easy to do [110], but what if I want to do [-110]? If you are familiar with crystallography, you know that the negative sign should be above the 1. How can I do this?
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Star Strider
Star Strider 2017-1-10
I doubt many here are familiar with crystallography. (I’m not.) Do you have an open-source (not behind a paywall) reference so we can possibly understand what you’re doing?

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Walter Roberson
Walter Roberson 2017-1-10
Based on http://tex.stackexchange.com/questions/9318/question-mark-over-equals-sign and https://yoo2080.wordpress.com/2014/11/30/putting-a-bar-or-a-tilde-over-a-letter-in-latex/ I see you can do
text(xpos, ypos, '$\stackrel{-}{1} 1 0$','interpreter','latex')
or '$\bar{1} 1 0$' or '$\overline{1} 1 0$'
The shortest line is with \bar, then \stackrel, and \overline is longest.
The gap between the line and the digit appears to be smallest with \bar, then \overline, and largest with \stackrel
I find the \stackrel version easiest to read.
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Benjamin Cowen
Benjamin Cowen 2017-1-11
I see, that makes sense. One last question if you don't mind - The spacing looks nice for all of the ones that use the LATEX. But I have some crystal directions that are just [100] and it looks really cramped. How can I apply the LATEX to this without using overline?

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