AutoCAD 9.10 [layers]

“Working with layers”

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  1. In the Home ribbon, the “Layers” section provides quick access to common layer actions.[Premium Content - Login] [Membership Options]
    • With no object selected, the dropdown menu in the Layers section of the Home ribbon (red rectangle above) shows the current layer (The layer on which any drawing objects will appear).
    • With an object selected, the dropdown menu shows the layer on which the object currently resides. If you click on the dropdown menu and change the layer shown, it will change the layer on which the object resides.
  2. For further layer properties, click on the “layer properties” button to open the Layer Properties Manager. There are several options available.
    • A green check next to the layer denotes the acive/current layer. This is the layer on which any new objects will be drawn. (red rectangle below)
    • On/Off: This will turn a layer on or off. This is a temporary action and if the drawing is refreshed, the layer will turn back on. It is better practice to use Freeze/Thaw, see below.
    • Freeze/Thaw: This will freeze or thaw a layer, which essentially turns the layer on/off and prevents/allows it to being manipulated. Freeze also releases the layer from memory which can be beneficial if you have a particularly large drawing. (orange rectangle below)
    • Lock/Unlock: This locks/unlocks the layer without changing the visibility of the object. AutoCAD will turn locked objects gray, but you can still snap and reference them. (green rectangle below)
    • Color: This changes the color of the layer. If possible, stick to the indexted color options. You can adjust the color by double clicking on the colored square.
      • Note: Frequenlty architectural offices use .ctb files tro translate colors into lineweights when plotting.
    • Linetype: This adjusts the default type of line for the layer (for example it could be set to “Hidden” to show a dashed line). If the linetype you want is not showing, you will need to load the linetype by typing ltype and then clicking on the “Load” button.
    • Lineweight: This adjusts the default lineweight of an object on a given layer. All objects on a layer with “By Layer” selected as their linewieght will have a lineweight of this value. (blue rectangle below)
    • Transparency: This option adjusts the transparency of the layer. “0” is opaque.
    • Print/NoPrint: This will make the layer visible/hidden when creating a physical (to a printer) or virtual (PDF/JPG) print. (pink rectangle below) [Premium Content - Login] [Membership Options]
  3. To create a new layer, click on the new layer button and give your new layer a name and adjust layer properties as necessary.
  4. In large drawings with many layers, it can be helpful to set up groups of layers. In the left column of the Layer Properties Manager, you can view and create group filters.[Premium Content - Login] [Membership Options]
  5. To create a group filter, click on the new group filter icon (the folder icon). Rename your group filter.
  6. Now drag layers you want included on that group filter on top of the group filter.
  7. You can also click on the “New Property Filter” button to establish a group filter based on a particular object property (color or lineweight for example).
  8. When you click on a group filter, a green check will appear next to the filter. After you close the Layer Properties Manager, only layers in the group filter will be shown in the dropdown list of the Layers section of the Home ribbon.