Legacy ImageMagick Discussions Archive

We have discovered an anomoly however.

We are currently converting and resampling all of our TIFS to a standard 200 dpi using the following command :
convert -resample 200 sample.tif sample_new.tif

We then identify the black drawings using the command before negating them:
convert sample.tif ...

Many Thanks.
The aforementioned convert command works a treat and has literally shaved hours off the processing time.

Many Thanks Tom. I will give this a go.

Hello

I am currently in the process of trawling through a very large number of TIFF drawings in order to identify those drawings which are black or inverse. ie. With a photometric attribute of min-is-black.

Other than using the "identify -verbose" command which provides all the attributes for each ...