What would be the best way to add new type of height check to a grid graph?

[tealtxgr]

@Maxim_Savenkov

Thank you, it worked.

My favorite four words to hear when I’m responding to questions here

@Maxim_Savenkov

Or maybe I shouldn’t use Rule for that? I can simply add a GraphModifier (I need one, anyway, for other reasons) and do this in LatePostScan?

This has come up a few times- the islands problem. This thread here has some solutions that have helped other users.