Count amount of non-continuous blocks in an image

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?".
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Re: Count amount of non-continuous blocks in an image

Post by Peggy »

snibgo wrote:
For the flower image, the input has transparent black pixels, with bands of transparent white at top and bottom. We can see these with:

Code: Select all

magick sixFlower.png -alpha off sixflower_na.png
The result sixflower_na.png is:

The connected-component list correctly shows six components that are neither black nor white.

You now use a v7 version of IM. I suggest you should use "magick" instead of "convert".
Alright, got it. Thank you :D