Where can I get a python package to draw such figures? I googled and found
PyX, I guess it outputs PostScript. I guess I can get a PostScript to BMP
converter or something. Is there any other alternative?
I have looked at PIL, but it doesn't seem to support drawing anti-aliased
figures. Thanks for any suggestions.
Andy 10 7734
Note that I'm on Windows... if there is some windows-specific solution, that
would be fine. I know there is a python win32 interface, and I think GDI
supports anti-aliased vector graphics, but I'm not sure. And fonts -- I
need to draw text too. Anyone tried that approach?
thanks,
Andy
"Andy C" <ay********@cor nell.edu> wrote in message
news:J3******** ************@ne wssvr21.news.pr odigy.com... Where can I get a python package to draw such figures? I googled and
found PyX, I guess it outputs PostScript. I guess I can get a PostScript to BMP converter or something. Is there any other alternative?
I have looked at PIL, but it doesn't seem to support drawing anti-aliased figures. Thanks for any suggestions.
Andy
Hi,
pygame ( www.pygame.org) can at least draw antialiased
lines. Look for the draw module in the documentation.
Udo
On Fri, 01 Aug 2003 07:57:29 GMT, rumours say that "Andy C"
<ay********@cor nell.edu> might have written: Where can I get a python package to draw such figures? I googled and found PyX, I guess it outputs PostScript. I guess I can get a PostScript to BMP converter or something. Is there any other alternative?
I have looked at PIL, but it doesn't seem to support drawing anti-aliased figures. Thanks for any suggestions.
Use PIL, and draw on an image twice the size (2*width, 2*height) as the
one you want. When you're done, resize the image --BILINEAR works fine
in this case.
You will need to draw thicker lines & arcs (I don't remember ATM if you
can use a <width> parameter with drawing methods)... create a custom
class to manage drawing double lines and arcs / circles when needed.
--
TZOTZIOY, I speak England very best,
Microsoft Security Alert: the Matrix began as open source.
In article <Pi************ ********@newssv r21.news.prodig y.com>, Andy C
<ay********@cor nell.edu> writes Note that I'm on Windows... if there is some windows-specific solution, that would be fine. I know there is a python win32 interface, and I think GDI supports anti-aliased vector graphics, but I'm not sure. And fonts -- I need to draw text too. Anyone tried that approach?
thanks, Andy
ReportLab graphics does anti aliased bitmap drawing via libart_lgpl, but
I know it's not easy to get into.
--
Robin Becker
Andy C wrote: Where can I get a python package to draw such figures? I googled and found PyX, I guess it outputs PostScript. I guess I can get a PostScript to BMP converter or something. Is there any other alternative?
One obvious solution would be to use GhostView to use PostScript to
generate an image, and then sample it down with a good resampling
library, like PNM.
--
Erik Max Francis && ma*@alcyone.com && http://www.alcyone.com/max/
__ San Jose, CA, USA && 37 20 N 121 53 W && &tSftDotIotE
/ \ As far as I'm concerned, being any gender is a drag.
\__/ Patti Smith
<posted & mailed>
Andy C wrote: Where can I get a python package to draw such figures? I googled and found PyX, I guess it outputs PostScript. I guess I can get a PostScript to BMP converter or something. Is there any other alternative?
I have looked at PIL, but it doesn't seem to support drawing anti-aliased figures. Thanks for any suggestions.
In addition to the other suggestions made, you might want to consider
Sketch. It's normally billed as an application, but it's also a pretty
powerful drawing library for python. I'm uncertain about installation
issues, it may be a little harder to build on Windows than on Linux, (but
I suspect this is less of a problem if you just want to use it as a
library). But it certainly can do everything that you've mentioned.
I'm pretty sure that Sketch has anti-aliased rendering, but you should also
be aware that you can get pretty good results simply by oversampling -- I
usually draw at 4X the intended scale and then scale down by 1/4 to get the
final result. This is somewhat coarse, but it works pretty well visually.
See http://sketch.sourceforge.net/ and links therein.
Cheers,
Terry
--
Terry Hancock
Anansi Spaceworks http://www.AnansiSpaceworks.com/
In article <J3************ ********@newssv r21.news.prodig y.com>,
Andy C <ay********@cor nell.edu> wrote:
: Where can I get a python package to draw such figures? I googled and found
: PyX, I guess it outputs PostScript. I guess I can get a PostScript to BMP
: converter or something. Is there any other alternative?
Sounds like a job for...SVG!
Here, have a look at this: http://www2.sfk.nl/svg
--Dave
--
"I had my first real beer (real meaning not sneaking it, or
the .5 crap), and amazingly enough, I wasn't immediately
surrounded by girls in bikinis. Go figure...."
-- Rob Hoadley
On Sat, 02 Aug 2003 01:43:50 GMT, rumours say that "Andy C"
<ay********@cor nell.edu> might have written:
[SNIP: My suggesting double size images and then resizing] Thanks for the suggestion, I think this will work fine for what I'm doing. A little off topic, but is this how it is typically done? Is there a special case for lines vs. fonts?
Font size should be doubled.
For lines, you *need* from 2 to 3 lines, but that involves some
math.atan2 style pre-calculations... (you can follow the easy way and
draw four lines as in the next paragraph.
For boxes, lines etc you better draw each 4 times
(x+0, y+0), (x+0, y+1), (x+1, y+0), (x+1, y+1)
--
TZOTZIOY, I speak England very best,
Microsoft Security Alert: the Matrix began as open source.
On Sat, 02 Aug 2003 01:43:50 GMT, rumours say that "Andy C"
<ay********@cor nell.edu> might have written: A little off topic, but is this how it is typically done? Is there a special case for lines vs. fonts?
Ah, *that* was your question (I was hasty in answering a few minutes
earlier).
I believe that yes, this is what is typically done for line art; but my
answer is not authoritative.
For fonts, I do not know for certain, although I know for certain that
this is what *I* have done in a simple "ClearType"-like-display text
reader I have written for reading texts in my Win2K notebook (I won't
bother installing XP *only* for the ClearType capability).
--
TZOTZIOY, I speak England very best,
Microsoft Security Alert: the Matrix began as open source. This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics |
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