Civil Engineering: Autodesk AutoCAD Blocks & WBlocks
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Questions and Answers

What is the key difference between BLOCK and WBLOCK commands in AutoCAD?

  • BLOCK commands are used to create blocks only in the current drawing, while WBLOCK commands store blocks as new drawing files for later use. (correct)
  • BLOCK commands are used to insert blocks into other drawings, while WBLOCK commands are used to create blocks within the same drawing.
  • BLOCK commands are used to edit existing blocks, while WBLOCK commands are used to reference external blocks.
  • BLOCK commands are used to change block properties, while WBLOCK commands are used to rotate blocks.

    • When should objects defining blocks be drawn on layer 0?

  • To edit the properties of the block.
  • To retain properties such as linetype and color of the layer where the objects were drawn. (correct)
  • To inherit properties such as linetype and color of the layer where the block is inserted.
  • To make the block invisible.

    • Which command should you use to insert blocks in AutoCAD?

  • BLOCK EDIT
  • REFERENCE EDIT
  • WBLOCK
  • CLASSICINSERT (correct)

    • What does the WBLOCK command allow you to do in AutoCAD?

    <p>Create new drawing files for storing blocks.</p> Signup and view all the answers

    Which command would you use to modify the geometry of a block in AutoCAD without affecting its source?

    <p>BLOCK EDIT</p> Signup and view all the answers

    If you want a block to change its linetype and color based on the layer it is inserted on, what layer should the objects defining the block be drawn on?

    <p>The same layer as the block</p> Signup and view all the answers

    Which command allows you to reference an external file without actually inserting it into your current drawing?

    <p>REFERENCE EDIT</p> Signup and view all the answers

    What is the purpose of drawing objects on layer 0 when creating a block in AutoCAD?

    <p>To inherit properties of the layer where they are drawn</p> Signup and view all the answers

    'INSERT' and 'WBLOCK' are both commands that deal with:

    <p>'INSERT' deals with inserting blocks, while 'WBLOCK' deals with creating new drawing files.</p> Signup and view all the answers

    'CLASSICINSERT' is used to:

    <p>Insert existing blocks from another drawing file</p> Signup and view all the answers

    Study Notes

    Editing Blocks

    • Double-click on a block to edit it, which opens the "Edit Block Definition" dialog box.
    • Alternatively, use the command line: BEdit or BE to access the "Edit Block Definition" dialog box.
    • Make changes to the block and save them before closing the window.

    Reference Edit

    • Use the Refedit command to edit blocks in place.
    • Command line: Refedit => "Reference Edit" Dialog Box will appear.
    • The objects of a block will be isolated on the drawing for editing in place.
    • Save (or discard) changes and exit by making a selection from the Refedit bar.

    Renaming Blocks

    • Use the Rename command to rename a block.
    • Command line: Rename => "Rename" Dialog Box will appear.

    Deleting Unused Blocks

    • Note: You CANNOT delete blocks that are currently in use!
    • Use the Purge command to delete unused blocks.
    • Command line: Purge => Type information in the command line.
    • Command line: Purge => "Purge" Dialog Box will appear.

    Blocks vs. WBlocks

    • The BLOCK command creates blocks that can only be used in the dwg in which they were created.
    • The WBLOCK command stores blocks as new drawing files that can later be inserted into any dwg.

    Using WBLOCK Command

    • Use the WBlock command to create blocks that can be used in any dwg.
    • Command line: Type WBlock or WB in the command line => "Write Block" Dialog Box will appear.

    Checking Layers

    • Objects must be drawn on layer 0 for blocks to inherit layer properties.
    • Draw objects on a specific layer to retain properties such as linetype and color.

    Inserting Blocks

    • Use the INSERT command to insert a block.
    • Command line: Type CLASSICINSERT (Insert, I) in the command line => "Insert" Dialog Box will appear.

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    Description

    Learn about editing blocks in Autodesk AutoCAD for civil engineering projects. Understand how changes made to a block are reflected on the drawing file, and how to use the Block Edit and Reference Edit commands.

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