Subject:
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Re: Line Thickness
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Newsgroups:
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lugnet.cad
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Date:
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Tue, 26 Dec 2000 20:05:11 GMT
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Viewed:
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658 times
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What about trying to implement something like anti aliasing - I believe
algorithms for that should be available somewhere?
Michael
--
================================
Ing Michael Lachmann
Individual software development
Tel.: +43 676 406 86 95
e-mail: michael.lachmann@lm-software.com
http: www.lm-software.com
Fredrik Glöckner <fredrik.glockner@bio.uio.no> schrieb in im Newsbeitrag:
qrd4rzr2mu7.fsf@ninurta.uio.no...
> "Larry Pieniazek" <lpieniazek@mercator.com> writes:
>
> > Oh, I agree totally. (except do you mean anti aliasing? I'd call it
> > "thicker lines")
>
> Well, after rendering at 300% and then scaling the images down again,
> I achieved an effect like that of anti aliasing. If I hadn't scaled
> down the image, the effect would simply be "thicker lines", as you
> say.
>
> It all depends on the useage of the function, I suppose. If the
> purpose of the rendering is to make images for the web with smoother
> edges, it makes sense to scale the images down. Otherwise they would
> clearly be too large for web publication.
>
> But if the purpose is to make printed instruction sheets, I suppose it
> is better to print it as is.
>
> Fredrik
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Message has 3 Replies:
 | | Re: Line Thickness
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| (...) I tend to scale my images down so I just want thicker lines. As FG says, when you have thick lines and you scale down, the scaling (since you end up taking the average of several pixels) tends to give you antialiased-like lines. So if you give (...) (24 years ago, 26-Dec-00, to lugnet.cad)
| | | Re: Line Thickness
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| "Michael Lachmann" <michael.lachmann@lm...tware.com> skrev i meddelandet news:G66yD2.3zI@lugnet.com... (...) I have Pascal (Delphi) code (found on the 'net, not my own) for a couple of anti-aliasing algorithms, just drop me a line if you want them. (...) (24 years ago, 27-Dec-00, to lugnet.cad)
| | | Re: Line Thickness
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| In lugnet.cad, Michael Lachmann writes (back in December): (...) Like Larry, I'm using MLCAD as part of producing printed instructions, and making the lines thicker would be very very helpful (in fact I can't use MLCAD to output the bitmap images at (...) (24 years ago, 1-Mar-01, to lugnet.cad)
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Message is in Reply To:
| | Re: Line Thickness
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| (...) Well, after rendering at 300% and then scaling the images down again, I achieved an effect like that of anti aliasing. If I hadn't scaled down the image, the effect would simply be "thicker lines", as you say. It all depends on the useage of (...) (24 years ago, 26-Dec-00, to lugnet.cad, lugnet.cad.mlcad)
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