| Re: IDL filled contour to PostScript - wired horizontal and vertical lines ??? [message #41442 is a reply to message #41154] |
Wed, 20 October 2004 05:13  |
g5seen
Messages: 4
Registered: September 2004
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Junior Member |
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Hi Chris,
many thanks for you hint. It was indeed the problem with the
anti-aliasing in GhostView. The problem did not have anything to do
with IDL. Works fine now.
Cheers,
Sebastian
"Christopher Lee" <cl@127.0.0.1> wrote in message news:<20040929.083453.1960709859.11859@buckley.atm.ox.ac.uk>...
> In article <fe51e952.0409281350.2df2cb63@posting.google.com>, "Sebastian"
> <g5seen@web.de> wrote:
>
>
>> Hello,
>> I have been looking through the whole web whether anyone else has ever
>> experienced this before but I could not find anything. I do a filled
>> color contour plot of regular data on a map projection which looks
>> perfect in the windows display. However, when I plot the contours to the
>> postscript device then the filled contours look fine as well with the
>> exception that I have some vertical and horizontal lines with regular
>> spacing over the area that is covered by the contours. These lines have
>> all the same color (in my case light blue). Does anyone knows the answer
>> to this? I really would like to get rid of them.
>> Cheers,
>> Sebastian
>
> Hi,
>
> How do you set up the postscript device? What are you using to view the
> postscript (GhostView?), which version? Some versions of Ghostview have
> problems anti-aliasing properly. Does the problem occur in the printed
> copy?
>
> Example of other people getting this problem..
> http://wegener.mechanik.tu-darmstadt.de/GMT-Help/Archiv/7819 .html
>
> If it is Ghostview, there's an option to turn off anti-aliasing, see if
> that helps.
>
> Chris.
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