Re: Test image properties?
Re: Test image properties?
- Subject: Re: Test image properties?
- From: Aaron Rosenblum <email@hidden>
- Date: Tue, 12 Oct 2004 19:23:33 -0400
Hi,
Thanks for the suggestion. sips doesn't appear to be able to handle
them when they have alpha channels either:
% sips -g all "Car5 copy 2.TIF"
/Users/arosenblum/Desktop/Car5 copy 2.TIF
Error: Error querying file
thanks
Aaron
On Oct 12, 2004, at 4:33 PM, Gnarlodious wrote:
Probably not worth mentioning, but have you tried something like:
do shell script "sips -g all " & POSIX path of (choose file)
-- Gnarlie
Entity Aaron Rosenblum spoke thus:
Hmm I get:
TIFF Error: Cannot handle 7-channel data.
Error: Can't open Car5 copy 3.TIF. Either it isn't a TIFF file, or
there are unrecognized tags; try tiffutil -dump for more info.
however if I save it in photoshop with no alpha channels:
Directory at 0x8
Subfile Type: (0 = 0x0)
Image Width: 1030 Image Length: 698
Resolution: 300, 300
Resolution Unit: pixels/inch
Bits/Sample: 8
Compression Scheme: none
Photometric Interpretation: 5 (CMYK color)
Date & Time: "2004:10:12 15:37:49"
Software: "Adobe Photoshop CS Macintosh"
Samples/Pixel: 4
Rows/Strip: 698
Number of Strips: 1
Planar Configuration: Not planar
Interesting eh? Seems like tiffutil chokes on the alpha. I guess
thats what I am trying to get around for my script, so I can correctly
identify if it is compressed or not..
thanks
Aaron
On Oct 12, 2004, at 2:43 PM, CS Carl Stawicki (4211) wrote:
I'm using tiffutil on layered PSCS tiffs, and it seems to work fine.
After some testing, I settled on this:
set myTiff to quoted form of posix path of alias "Path:to:mytiff.tif"
(do shell script "tiffutil -info " & myTiff) contains "Lempel-Ziv &
Welch"
result: true or false
Carl.
----------
From:
applescript-users-
bounces+carl.stawicki=email@hidden on behalf of
Aaron Rosenblum
Sent: Tuesday, October 12, 2004 2:16 PM
To: email@hidden
Subject: Test image properties?
Hey all,
Does anyone know of a way to test a tiff image to see its properties
using AS? I have a script that compresses TIFF images (LZW) using
photoshop, but I'd like to be able to test the image for this
property
first and then skip it if it is already compressed. I found the
tiffutil command, but it doesn't like the layered tiffs that
photoshop
creates.
thanks!
Aaron
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