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Re: Any way to remove an OPLOT from an image? [message #16989]

Thu, 02 September 1999 00:00

m218003
Messages: 56
Registered: August 1999

Member

In article <37CD3D6D.E6D905F4@ssec.wisc.edu>,
Liam Gumley <Liam.Gumley@ssec.wisc.edu> writes:
> nicholas wrote:
>> I am searching for a way to remove an oplot from an image, without
>> redrawing the image (it is an image overlaid onto a map projection).
>> Currently I am using the XOR graphics function and redrawing the oplot
>> to remove it, but this method looks bad. I would use a pixmap but the
>> draw window is 950 x 700 and the oplot could be anywhere so I don't
>> want to suffer a performance hit drawing such a large image. BTW, I am
>> running VMS :(

Depending on the size of the OPLOT, you could also try to have a smaller
"dynamic" pixmap window which will store only the part of the image that
contains the OPLOT (and maybe a second one with the OPLOT as Liam suggested).

Just $0.02,
Martin

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		Re: Any way to remove an OPLOT from an image? By: m218003 on Thu, 02 September 1999 00:00
		Re: Any way to remove an OPLOT from an image? By: Liam Gumley on Wed, 01 September 1999 00:00

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