[magick-users] Help getting images with 1 Sample per Pixel whenusing convert (6.2.4 Debian Linux)

[Leigh Ahwai]

Thanks. Unfortunately, I tried that but it didn't seem to work (files
are still way larger and tiffinfo still says Samples/Pixel is 3).

Here's what I tried:
--------------------
convert img0004.tif -colorspace gray img0004_colorspace_gray.tif
convert img0004.tif -type grayscale img0004_type_grayscale.tif

Resulting files are:
--------------------
68 -rw-rw-r-- 1 65907 Mar 26 11:13 img0004.tif
184 -rw-rw-r-- 1 185889 Apr 28 15:16 img0004_colorspace_gray.tif
184 -rw-rw-r-- 1 185889 Apr 28 15:16 img0004_type_grayscale.tif

Cheers,
Leigh

Leigh Ahwai

Manager, Development

 

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Ottawa,  ON,  Canada  K2H 5B7
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-----Original Message-----
From: magick-users-bounces at imagemagick.org
[mailto:magick-users-bounces at imagemagick.org] On Behalf Of David Harmon
Sent: Monday, April 28, 2008 1:38 PM
To: Magick-users at imagemagick.org
Subject: Re: [magick-users] Help getting images with 1 Sample per Pixel
whenusing convert (6.2.4 Debian Linux)

leighahwai-at-rogers.com |ImageMagick| wrote:
>I have a grayscale tif image that tiffinfo show to have: Bits/Sample: 8

>and Samples/Pixel: 1
>

>No matter what I do, after I run convert on the image, tiffinfo
reports: >Bits/Sample: 8 and Samples/Pixel: 3.
 
Try "-type grayscale" _after_ other processing options.
Or "-colorspace gray"
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