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Line fill in function graphics [message #89287]

Thu, 14 August 2014 06:28

andeh
Messages: 23
Registered: April 2011

Junior Member

Hello everybody,

In the old graphics system, one could create line fills using the POLYFILL command. e.g.
IDL> PLOT, [0,3], [0,3], /NODATA
IDL> POLYFILL, [1,2,2,1,1], [1,1,2,2,1], /LINE_FILL, ORIENTATION=45

I can't find a way to replicate this in function graphics. I'd imagine I've missed something obvious? The closest I can come is the POLYGON command, but this distorts colours underneath. e.g.
IDL> p0 = PLOT( [0,3], [0,3], /NODATA )
IDL> p1 = POLYGON( [1,2,2,1,1], [1,1,2,2,1], /DATA, /CURRENT,/FILL_BACKGROUND, FILL_COLOR='Blue', TRANSPARENCY=90)

Can anyone suggest an alternative other than drawing an enormous number of lines manually?!

Thanks,

Andy

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		Line fill in function graphics By: andeh on Thu, 14 August 2014 06:28
		Re: Line fill in function graphics By: andeh on Mon, 18 August 2014 01:57

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