[racket] Rendering the PLT symbol in Racket?

From: Daniel Prager (daniel.a.prager at gmail.com)
Date: Sun Sep 21 21:30:00 EDT 2014

Thanks Robby

That may be useful.

FYI: I'm biting the bullet and trying to introduce a "good" triangular
rendering to reduce the jaggedness of curves (which are common in images
like the simple PLT logo) and while I've almost got something that almost
works from a sampled image, I'm not there yet.

Dan

On Sun, Sep 21, 2014 at 6:13 PM, Robby Findler <robby at eecs.northwestern.edu>
wrote:

> There is some racket code, but it just duplicates the ps code, drawing
> directly into a dc. (This can be lifted into a pict, via 'dc'.) If
> that would be helpful, I can supply it.
>
> Robby
>
>
> On Sun, Sep 21, 2014 at 8:09 PM, Daniel Prager
> <daniel.a.prager at gmail.com> wrote:
> > Thanks Alexander & John
> >
> > On further examination I'm not sure that direct-drawing particularly
> helps
> > me, but I appreciate the references (and the history).
> >
> > I'll make sure that there's a nice effect for the design: just bear with
> me,
> > I'm not quite satisfied with what can be currently be achieved.
> >
> > Dan
> >
> > On Sun, Sep 21, 2014 at 5:52 PM, John Clements <
> clements at brinckerhoff.org>
> > wrote:
> >>
> >> There are a whole bunch of ways of answering this question; you might
> want
> >> Neil’s fantastic ray-traced version, or just the simple paths. In case
> it’s
> >> helpful, here’s the original postscript file generated by Shriram,
> Robby,
> >> and Matthew. Oh, wait, here’s the comment from the file:
> >>
> >> %%Title: PLT Lambda
> >> %%Creator: Matthew, then Shriram, finally Robby
> >> %%CreationDate: June 24, 1997
> >> %%For: PLT
> >>
> >> (NB: Apple Mail tries to render this as an image, pretty badly. Save the
> >> attachment to read it.)
> >>
> >>
> >>
> >>
> >> On Sep 21, 2014, at 4:59 PM, Alexander D. Knauth <alexander at knauth.org>
> >> wrote:
> >>
> >> > I tried it with the images in the email, but it was too big, so here
> it
> >> > is just links.
> >> > I think there was something on the list about this before, and I found
> >> > these again from that:
> >> >
> >> >
> http://docs.racket-lang.org/images/Logos.html?q=plt-logo#%28def._%28%28lib._images%2Flogos..rkt%29._plt-logo%29%29
> >> > (require images/logos)
> >> > (plt-logo)
> >> > and also
> >> >
> >> >
> http://docs.racket-lang.org/draw/overview.html?q=racket%2Fdraw#%28part._.Drawing_.Paths%29
> >> > (down a little bit)
> >> >
> >> >
> >> > On Sep 21, 2014, at 12:52 AM, Daniel Prager <
> daniel.a.prager at gmail.com>
> >> > wrote:
> >> >
> >> >> There was interest following my talk at RacketCon in a
> www.youpatch.com
> >> >> quilt pattern featuring the PLT symbol
> >> >> (file:///Users/dan/Documents/plt.svg).
> >> >>
> >> >> I was having a play with youpatch.com by standard means, to put
> >> >> together a commemorative pattern, but I think I can do a cleaner job
> given
> >> >> access to Racket code that generates the image.
> >> >>
> >> >> Can anyone point me to, or send me the code?
> >> >>
> >> >>
> >> >> Dan
> >> >> ____________________
> >> >>  Racket Users list:
> >> >>  http://lists.racket-lang.org/users
> >> > ____________________
> >> >  Racket Users list:
> >> >  http://lists.racket-lang.org/users
> >>
> >>
> >
> >
> >
> > --
> > Daniel Prager
> > Agile/Lean Coaching, Software Development and Leadership
> > Startup: www.youpatch.com
> > Twitter: @agilejitsu
> > Blog: agile-jitsu.blogspot.com
> >
> > ____________________
> >   Racket Users list:
> >   http://lists.racket-lang.org/users
> >
>



-- 
*Daniel Prager*
Agile/Lean Coaching, Software Development and Leadership
Startup: www.youpatch.com
Twitter: @agilejitsu <https://twitter.com/agilejitsu>
Blog: agile-jitsu.blogspot.com
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