In this case I want to put a small feather on the selection before we mask as even though I want a crisp line, it's very rare that you don't need at least a small amount of feathering.
在这个例子中,虽然我很希望边缘清晰,但是我要使选区有一点羽化。一点都不羽化的情况很少见。
3
I have just tried different Numbers for the last part of the subnet mask, until the small graphical interface tool finally showed my IP in the status bar.