Re: [PanoTools-devel] Re:PTMender and Pano12.dll Updates

[Carl v. E. <ei...@gm...>]

Thanks for this explanation. Maybe it's a Photoshop specific problem but 
  my 16 bit TIFF files get way bigger when compressed with LZW instead
of saving them without compression.

Carl

Max Lyons wrote:
>> I'm worrying about disk space since I work with .fff files from a 
>> Hasselblad Imacon scanner that easily produces 16 bit TIFFs with 
>> enormous file sizes.
> 
> I wouldn't be too concerned about file sizes.  
> 
> The extra space that is added by "uncopping" the image is all empty "black" 
> space.  and, inside the file, this empty space is represented as a string of 
> zeros (000000000000000000).  This compresses extraordinarily well using LZW 
> compression.  So, if you uncrop one of these files and it uses LZW compression, 
> the size increase due to adding back all the empty space will be very small.
> 
> Max
> 
>