Filtering sublist based on some condition and getting a new List

Hi guys

I have this list of lists that has grid intersection notations and XYZ coordinates. I wanna filter out a list based on a condition where all my Z coordinates are non-zero. How do I go about this?? Thansk for the help in advance :slight_smile:

Filtering sublist based on some condition

20150902-2

wow… thanks a lot Venkat. I was playing around a lot with List.FilterByBoolMask but now ur definition clearly explains where I was going wrong. This is amazing stuff :slight_smile: Thanks again!! :slight_smile: