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Discussion in 'General Electronics Discussion' started by fahad_zia1988, Aug 26, 2010.

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  1. fahad_zia1988


    Aug 19, 2010
    What is difference between Freez and Lock in Auto CAD software?
  2. rob_croxford


    Aug 3, 2010
  3. GWS


    Aug 27, 2010
    Freeze and Lock are layer commands.

    Lock --locks all the objects on a layer which means no editing is allowed on any object in that layer until you unlock it at the layer menu. You can Lock a layer to preserve objects on it from "modify commands" that would change them, such as Stretch, Trim, etc.

    Freezing and Thawing a layer is very similar to turning a layer on or off.

    Off--Makes selected layers invisible and excludes them from plotting.

    Freeze--Also makes selected layers invisible and excludes them from plotting, but also excludes them from a regeneration command.

    If you Freeze a layer or turn it off, and then WBLOCK objects (write selected objects to a new dwg), any invisible objects in the selected (windowed) area, are not included in the new drawing made from the WBLOCK command. That makes it handy when you want to start a new drawing, using a few or even a lot of the same objects as an existing drawing.

    You can open "Drawing X" and envoke the SAVEAS command and name it "Drawing Y" and have two identical drawings, but that method requires you to erase all the objects you don't want. If there's a large number to erase that is tedious and makes room for lots of errors.

    The better way is to plan your drawings with objects layered such that layers with many objects, that vary in number and location can be frozen. The remaining visible objects should be things that are the same in several versions of the design. Then the Wblock command can make a new drawing with only those objects and you have a base from with to modify....say several versions of a circuit using the same board and the same inputs/outputs, major IC's, and etc., but different otherwise.

    If you want, you can insert the new drawing as a block into your old drawing, explode the new block then have two or more editable versions of it on one drawing file.

    Ask questions if anything confuses you on this.
    Last edited: Aug 29, 2010
  4. fahad_zia1988


    Aug 19, 2010
    Thanks Sir.
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