Re: [Gimp-user] how to exposing more tiff load options for scripting

[Burnie West <west ieee org>]

On 08/18/2012 02:08 PM, Tim Dickson wrote:
> I am trying to load single pages from multipage tiffs, convert them to 
> monochrome (dithered), flatten the image, then save them as single monochrome, 
> ccitt group4 tiffs. - all through scripts.
>
> The multipage tiffs contain pages in grayscale and colour which were created 
> using the old style (problematic) jpeg compression option.
>
> I have tried other tools, such as libtiff (modified with a patch to handle the 
> old jpeg compression), and the latest version of imagemajick. Unfortunately 
> they cannot correctly convert the files, whereas gimp can, but only one page 
> of the multi-page tiff at a time
> (gimp crashes if I load a 5page document (as separate images) then convert 
> each image to monochrome,flatten and save in one session)
Are you using a developmental version (2.9 --)? If not, the crash itself 
warrants a bug report.
> the scripting function for loading tiffs
> file-tiff-load
> does not expose the options to load individual pages, or to select loading as 
> images or as layers, which the visual file load/import does.
>
> does anyone have any suggestions as to how I can achieve this using a script.?
> manually is not a problem, but too time consuming for large (eg. 200page) tiffs.
> thanks, tim
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