> > Prompted by a couple of "use ImageMagick" responses I've
> fiddled about
> > some more and come up with 'convert a b -compose difference
> -composite'
> > which seems to do the trick.
> >
> > Was this what you were thinking?
>
> Yes, I knew there was some composite function in IM which calc
> Prompted by a couple of "use ImageMagick" responses I've fiddled about
> some more and come up with 'convert a b -compose difference -composite'
> which seems to do the trick.
>
> Was this what you were thinking?
Yes, I knew there was some composite function in IM which calculates
differences,
> -Original Message-
> From: Andrew Errington [mailto:[EMAIL PROTECTED]
> Sent: Friday, 11 August 2006 3:41 p.m.
> To: linux-users@it.canterbury.ac.nz
> Subject: Re: diff for images
>
>
> > Prompted by a couple of "use ImageMagick" responses I'
> -Original Message-
> From: Roy Britten [mailto:[EMAIL PROTECTED]
> Sent: Friday, 11 August 2006 3:37 p.m.
> To: linux-users@it.canterbury.ac.nz
> Subject: Re: diff for images
>
> On 11/08/06 13:20, Volker Kuhlmann wrote:
> >> Can anyone recommend a too
> Prompted by a couple of "use ImageMagick" responses I've fiddled about
> some more and come up with 'convert a b -compose difference -composite'
> which seems to do the trick.
>
> Was this what you were thinking?
No, they were probably thinking of ImageMagick's "compare" command.
A
On 11/08/06 13:20, Volker Kuhlmann wrote:
>> Can anyone recommend a tool or script that will take two images and
>> produce a third image, where the RGB value of each pixel in the output
>> image is the difference of the corresponding RGB pixel values for the
>> input images?
>
> ImageMagick
Init
On 11/08/06 13:47, Craig FALCONER wrote:
> Roy - what are you going to do with this information?
I have some "dots on maps" plots that I know contain differences, but I
can't be bothered manually looking for them all. Plus, I know I'd miss bits.
Cheers,
Roy.
ac.nz
Subject: diff for images
Can anyone recommend a tool or script that will take two images and produce
a third image, where the RGB value of each pixel in the output image is the
difference of the corresponding RGB pixel values for the input images?
Those with a little time on their hands wa
> -Original Message-
> From: Roy Britten [mailto:[EMAIL PROTECTED]
> Sent: Friday, 11 August 2006 1:13 p.m.
> To: linux-users@it.canterbury.ac.nz
> Subject: diff for images
>
> Can anyone recommend a tool or script that will take two images and
> produce a th
On 11/08/06 13:16, Andrew Errington wrote:
> Hmm, if I were writing such a thing I might call it, ooh, I don't know,
> "ImageDiff". You know it's a kind of cool idea, but I wonder if someone
> has done it already...
>
> Sounds like your Google-fu is rusty:
>
> http://www.google.co.nz/search?hl
> Can anyone recommend a tool or script that will take two images and
> produce a third image, where the RGB value of each pixel in the output
> image is the difference of the corresponding RGB pixel values for the
> input images?
ImageMagick
Volker
--
Volker Kuhlmann is list057
> Second hit!
Yes, I know the first hit gets you there too, but the second one doesn't
ask you for a bunch of information before letting you download.
A
On Fri, 11 Aug 2006 13:12, you wrote:
> Can anyone recommend a tool or script that will take two images and
> produce a third image, where the RGB value of each pixel in the output
> image is the difference of the corresponding RGB pixel values for the
> input images?
>
> Those with a little time o
Can anyone recommend a tool or script that will take two images and
produce a third image, where the RGB value of each pixel in the output
image is the difference of the corresponding RGB pixel values for the
input images?
Those with a little time on their hands wanting to start a language war
may
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