Most of my blog entries are simplistic in nature. This is on purpose. My validation is that somewhere, someone is a brand new Civil 3D user. so my posts are aimed at them (as well as the Introducing C3D book). So this is a continuation on that vein. The rest of you more seasoned veterans can follow along too.
Have you ever wondered why or how the background mask sets its invisibility? Check it out after the jump.



Talk Back