dharr

Dr. David Harrington

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20 years, 333 days
University of Victoria
Professor or university staff
Victoria, British Columbia, Canada

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I am a retired professor of chemistry at the University of Victoria, BC, Canada. My research areas are electrochemistry and surface science. I have been a user of Maple since about 1990.

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These are questions asked by dharr

When I use the labelling facility in the geometry package, the plot area does not include all of the drawing. For example, in the code below the word "top" at the top of the circle is cut off. restart;with(geometry):with(plots): point(top,0,1):point(bottom,0,-1): circle(c,[top,bottom]): draw([c,top,bottom],printtext=true,axes=none); I see it if I have axes, but I want to use axes=none. It seems like a bug. A couple of workarounds failed to solve the problem. I added the view option to draw: draw([c,top,bottom],printtext=true,axes=none,view=[-5..5,-5..5]); expecting to see a smaller circle. Instead the circle appears the same size, still with the word "top" chopped off. Surprisingly, the points are drawn in LARGER symbols! So I thought that using the view option in display might override that internal options that draw uses:
I am creating help pages for a package, and want an example worksheet to open as a worksheet rather than a help page. For example, clicking the "Package Overview help page template" hyperlink on the "Templates" help page brings up a worksheet rather than a help page. The mouseover of the hyperlink implies it was saved as a help page (presumably in a help database) rather than as a worksheet. I see the active=true option under INTERFACE_HELP, but am not sure how I convert my worksheet to this form - surely I would lose the formatting styles. An option under "save to database" seems logical, or an active=true option for makehelp, but these do not seem to exist.
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