[magick-users] Confused with image magick command line

[Anthony Thyssen]

"Novice Programmer" on  wrote...
| Hello guys,
| 
| I got it finally working... with the technique you people suggested i.e read
| the image first..
| 
| now i am facing another problem... it does not honor width and height
| specified by me.. i.e it always tries to maintain aspect ration.. Is there
| some way by which i can tell IM not to think about AR?
| 
Add a '!' to the resize argument.  For some interactive shells you may
need to backslash escape it.


EG:    -thumbnail 320x240\!


| On 11/28/07, Anthony Thyssen <anthony at griffith.edu.au> wrote:
| >
| > "Novice Programmer" on  wrote...
| > | hello All,
| > |
| > | I am new to image magick. i am performing a very primitive taks using
| > Magick
| > | but still failing to do it..
| > | i am trying ot convert image to its 320x240 thumbnail...
| > |
| > | Here is the command that i enter:
| > |
| > | convert -thumbnail 320x240 test.jpg thumbnail.jpg
| > |
| > | and i get the error which says as:
| > | convert : unable to open image test.jpg : No such file or directory
| > | convert : missing an image filename 'thumbnail.jpg'
| > |
| > | if i change the command to
| > |
| > | convert -thumbnail 320 * 240 test.jpg thumbnail.jpg then every thing
| > works
| > | fine except that i have an image having width of 320 and arbitrary
| > height...
| > |
| > | i want to control the height as well... Please help.. what is wrong with
| > the
| > | command which gives me erros..
| > |
| > | i am using magick on windows xp.
| > |
| > What version of IM are you using?  What OS and system?
| >
| > The error seem to indicate that it was not able to open test.jpg
| > and yet you say the next given command works fine when that should
| > produce all sorts of errors.  Note that '*' would have expanded to the
| > list of files in the current directory.
| >
| > Make sure the filenames are correct.
| >
| > I have a feeling you are getting caught by non-ascii UTF characters.
| >
| > Like maybe it has a UTF-8 '.' or some other weirdness in it.  The second
| > command would have work then because '*' expanded to match the filename
| > in the current directory correctly.
| >
| > Also it is a good idea to read the image BEFORE trying to resize it.
| > that is give the command line options in the order you want them
| > applied.  For example
| >
| >   convert test.jpg -thumbnail 320x240 thumbnail.jpg
| >
| > this avoids problems with the backward compatible legacy system.
| >
| >
| > Finally read IM Examples, Basics.
| >   http://imagemagick.org/Usage/basics/
| >
| > Anthony Thyssen ( System Programmer )    <A.Thyssen at griffith.edu.au>
| >
| > -----------------------------------------------------------------------------
| >   When an elf uses human courtesies, you know you are in trouble.
| >                                   -- Rick Cook, "The Wizardry Compiled"
| >
| > -----------------------------------------------------------------------------
| >     Anthony's Home is his Castle     http://www.cit.gu.edu.au/~anthony/
| > _______________________________________________
| > Magick-users mailing list
| > Magick-users at imagemagick.org
| > http://studio.imagemagick.org/mailman/listinfo/magick-users
| >
| 
| 
| 
| -- 
| Thanks & Regards,
| Novice (http://ishuonweb.wordpress.com/).
| _______________________________________________
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  Anthony Thyssen ( System Programmer )    <A.Thyssen at griffith.edu.au>
 -----------------------------------------------------------------------------
     Never ask them for an explaination.  You only end up worse confused.
                                           -- Rick Cook, "Wizardry Cursed"
 -----------------------------------------------------------------------------
     Anthony's Home is his Castle     http://www.cit.gu.edu.au/~anthony/