Please help with the batch file

Questions and postings pertaining to the usage of ImageMagick regardless of the interface. This includes the command-line utilities, as well as the C and C++ APIs. Usage questions are like "How do I use ImageMagick to create drop shadows?".
snibgo
Posts: 10929
Joined: 2010-01-23T23:01:33-07:00
Authentication code: 1151
Location: England, UK

Re: Please help with the batch file

Post by snibgo » 2018-11-13T07:12:18-07:00

I expect "-shave" uses the same code as "-crop", with a trivial calculation to get the required parameters.

Some experimentation shows that "-shave 10x10" is much quicker than "-sharpen 2". This is not surprising as "-shave" merely copies pixels, but "-sharpen" convolves each pixel with a kernel.
snibgo's IM pages: im.snibgo.com

Post Reply