Subject: Re: Is there a way to make Irfanview AUTOCROP when it's kind of easy?
On 24 Nov 2017 03:11, Dan Jenkins wrote:
> Is there a way to make Irfanview AUTOCROP when it's a situation that isn't
> too hard for an algorithm to figure out that there are black lines along
> the outside of a set of photos?
> Irfanview has a great batch facility on Windows, but the crop seems to be
> Irfanview crops super easy, but usually, when I crop manually, I'm off by a
> few pixels.
> If not irfanview, what else free and simple might have a good manual or
> batch autocrop?
IrfanView has auto crop and batch auto crop. For successful auto crop
there is a setting which needs to be adjusted.
Look here for auto crop: Edit | Auto crop borders (Ctrl+Shift+Y)
Look here for batch auto crop (follow all steps)
1: Go to: File | Batch conversion rename
2: Put a check-mark in "Use advanced options (for bulk resize...)"
3: Click the button "Advanced"
4: "Auto crop borders" is in the 2nd column, 2/3 of the way down.
For successful auto crop, adjust the setting "Tolerance value for auto
crop borders" at Options | Properties/Settings | Browsing/Editing.
A value of 64 works for me, but YMMV. The default is 0 which does not