Layers and Classes – Part 1

Use More Classes, Use Fewer Layers – Layers should be where you have drawing the information, classes should be what the information is. For example, the walls are drawn on Floor 1, the class tells you that the walls are existing, proposed, or demolished.

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2 thoughts on “Layers and Classes – Part 1

  1. Jonathon,

    In the US, there are those seeking a classless society.

    As a new VWA user, I did a small 3d model of an existing basement for creating a new man-cave. In my endeavors to create existing conditions and proposed schemes, I’ve acquired about 40 new classes after starting with about ten. Further, after bringing in new 3d library parts, I’m struggling to view necessary elements in my viewports.

    Is there a way to make classes more complicated or confusing? My drawings look acceptable except I can’t keep everything visible when needed.

    Please advise, direct or talk me off the ledge…

    Dave Olufs

    • Dave, it sounds to me like you don’t have too many classes. 40 new classes may not be unacceptable, provided that you follow my three simple rules for classes: 1. use a new class when you want to control the visibility of the subject separate from other objects; 2. use a new class when you want to control the graphic style of the subject separate from other objects; 3. use and you class to control objects for scheduling and reporting.
      If you have followed these rules and you still have 50 or 60 classes, then that is okay. Ideally you should make sure that the class names short and clear. You might also find that if you give the class is a hierarchy it’s easier to manage them.

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