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Re: status of PNG and EPS output from Plot Save method in IDL v8.4? [message #89107 is a reply to message #89088]

Thu, 24 July 2014 15:38

Craig Markwardt
Messages: 1869
Registered: November 1996

Senior Member

IDL sizes everything about a plot with respect to the default font size. This includes the plot margins.

The "problem" comes because IDL treats the on-screen display and the PS pixel sizes as being different. IDL actually thinks the EPS canvas is quite a bit larger than the on-screen canvas (relative to the font size), so the plot box takes up a larger amount of space relative to the fonts.

That's something I tried to address in my PXPERFECT procedure.

If you can find the right scale factor for the font size - or equivalently the right scale factor for the X_SIZE and Y_SIZE, you should be able to get perfect output without tweaking anything else.

But I agree it shouldn't be us that has to figure this out. I would prefer if the on-screen canvas were sized to exactly match a printed page by default.

Craig

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[Message index]

		status of PNG and EPS output from Plot Save method in IDL v8.4? By: Paul Van Delst[1] on Wed, 23 July 2014 14:00
		Re: status of PNG and EPS output from Plot Save method in IDL v8.4? By: Craig Markwardt on Thu, 24 July 2014 15:38
		Re: status of PNG and EPS output from Plot Save method in IDL v8.4? By: David Fanning on Fri, 25 July 2014 06:52

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