Not an answer to your question, but maybe you should try just generating the entire symbol programmatically using pict primitives instead of trying to get half of it from a font character? --- nadeem
On Friday, November 15, 2013, Jens Axel Søgaard wrote: > Hi All, > > I want to render simple mathematical formulas using picts. > Consider a simple example, the square root of x: > > √x > > To make this look nice, I want to introduce an overline that draws a bar > over x. > The bar should begin where the root sign ends. To do this I need to know > how high the root sign is. Calculating this has turned out to more > complicated > than I expected. If I use a font size of say 30, then the root sign will > (in > some fonts) be higher than 30. If I use (text "√" font) to get a pict then > the pict height will be 30 (for most fonts), but the end of the root sign > will stick out of the bounding box. It actually makes sense it stick out, > since this makes it easy to make roots over tall characters such as h. > > -- -- Nadeem Abdul Hamid Associate Professor, Computer Science Berry College, Mount Berry, GA 30149 http://cs.berry.edu/~nhamid/
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