From the course: AutoCAD Map 3D 2021 Essential Training
Unlock the full course today
Join today to access over 22,500 courses taught by industry experts or purchase this course individually.
Overlay analysis - AutoCAD Tutorial
From the course: AutoCAD Map 3D 2021 Essential Training
Overlay analysis
- [Narrator] Superimposing two GIS vector layers to generate a combined graphics and attributes layer is called an overlay analysis. In this lesson, you will overlay zoning with buildings so the resulting layer will have buildings that have all the zoning information attached to it. Currently, the buildings don't, let's add the zonings and the buildings. You can see here, the brown buildings, I'll pick on one of them and look at the properties, it only has a feature ID and ID. And the zoning, only has a zone designation and an ID. So what we want to do, is intersect the two so that these buildings have a zoning designation. So, under analyze ribbon, click the feature overlay. The source will be the zoning, and the overlay will be the buildings. We have a number of choices here, we have intersect, union, erase, identity, clip, paste, and symmetric difference. We're just going to use the intersect in this case, because when…
Practice while you learn with exercise files
Download the files the instructor uses to teach the course. Follow along and learn by watching, listening and practicing.