There was a discussion about this here: https://www.klayout.de/forum/discussion/comment/9350#Comment_9350. There is a small Python script implementing auto-save.
You can cut shapes into parts using "Edit/Selection/Separate into Inside/Outside". There is a discussion about this: https://www.klayout.de/forum/discussion/comment/8963#Comment_8963
I did find https://www.klayout.de/forum/discussion/comment/5764#Comment_5764 talks about it here, I understand it won't encrypt the code, it's some rules that my place enforces, I wonder is there a wa
The original answer is given here: https://www.klayout.de/forum/discussion/comment/7990#Comment_7990. The mentioned post says it does not work. But no details. I have at least one working test case (I
My suggestion was a high-res image. For example here is a post where it is shown how to generate images with user-defined resolution: https://www.klayout.de/forum/discussion/comment/7645#Comment_7645.