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Re: Show command trims bitmap edges? (newbie)

  • To: mathgroup at smc.vnet.net
  • Subject: [mg54698] Re: Show command trims bitmap edges? (newbie)
  • From: "Matthew McMahon" <matthew.mcmahon at vanderbilt.edu>
  • Date: Sun, 27 Feb 2005 01:29:31 -0500 (EST)
  • Organization: Vanderbilt University usenet news server
  • References: <cv6r3o$6ab$1@smc.vnet.net> <cvk3d3$d68$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Thanks for email help Paul and Chris...  Setting the AspectRatio to the
proportions of the figure fixes the problem.

Matthew

"Paul Abbott" <paul at physics.uwa.edu.au> wrote in message
news:cvk3d3$d68$1 at smc.vnet.net...
> In article <cv6r3o$6ab$1 at smc.vnet.net>,
>  "Matthew McMahon" <matthew.mcmahon at vanderbilt.edu> wrote:
>
> > I've encountered a strange issue (running 5.0) that I couldn't find any
> > references to in the Help or online documentation.  I'm importing tiny
> > monochrome bitmap files into Mathematica, in order to create a pattern
that
> > tiles the black-pixel pattern in x and y repeatedly.
>
> There are other ways to generate pixel-level graphics. What is the
> application and what, exactly, are you trying to do?
>
> Cheers,
> Paul
>
> > I can import the file
> > correctly (I've checked with the Dimensions function and everything
works
> > properly), but when I use the Show command to check that I've got the
right
> > bitmap, I don't see the proper image.  I tested it by creating a
> > 1-white-pixel-wide buffer around the original image, and then I saw the
> > correct original image with the Show command.  So it appears that the
Show
> > command is somehow cropping the image by 1 pixel (for images smaller
than
> > 10x10 pixels).
> >
> > I suppose I could just design all my bitmaps with an extra pixel buffer,
but
> > that's much less elegant.  Does anyone know why this is happening?
> >
> > Appreciating any help,
> > Matthew
> >
> >
>
> -- 
> Paul Abbott                                   Phone: +61 8 6488 2734
> School of Physics, M013                         Fax: +61 8 6488 1014
> The University of Western Australia      (CRICOS Provider No 00126G)
> 35 Stirling Highway
> Crawley WA 6009                      mailto:paul at physics.uwa.edu.au
> AUSTRALIA                            http://physics.uwa.edu.au/~paul
>



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