How to

How to rotate model space in viewport AutoCAD?

To rotate the view within a viewport in AutoCAD without altering the model space, you can:

  1. Use the Rotate Command in paper space.
  2. Utilize the Grips on the viewport.
  3. Apply the UCS Command within the viewport.

Method 1: Using the Rotate Command

  • Paper Space Activation: Make sure you are in paper space by double-clicking outside any viewports.
  • Select the Viewport: Click to select the viewport you wish to rotate.
  • Rotate Command: Right-click on the selected viewport and choose “Rotate.”
  • Specify Base Point and Angle: Follow the prompts to set a base point and then the rotation angle for the viewport.

Method 2: Using Grips

  • Select Center Grip: Click the center grip (square) of the viewport.
  • Initiate Rotation: Right-click on the grip and select “Rotate.”
  • Set Rotation Angle: Drag the mouse to visually set the angle or type in a specific angle value.

Method 3: Using UCS Command

  • Activate Model Space: Double-click inside the viewport to switch to model space.
  • Set UCS: Type UCS, press Enter, and choose the axis for rotation (like ‘Z’ for the Z-axis).
  • Enter Rotation Angle: Input the desired angle of rotation.
  • Align View: Type PLAN, press Enter, and select “Current UCS” to align the view with the new UCS orientation.

Key Points:

  • VPROTATEASSOC Variable: This system variable should be set to 1 to ensure the contents of the viewport rotate along with it.
  • Model Space vs. Paper Space: Rotating in model space affects the model’s orientation permanently, whereas rotating in paper space only changes the viewport view.

Additional Tips:

  • Use the ViewCube: For a more intuitive rotation, use the ViewCube in the top-right corner of the viewport.
  • Orbit for 3D Views: Use the Orbit command for dynamic 3D view manipulation.
  • Multiple Viewports: Create several viewports with different rotations for comprehensive presentation.

These methods provide flexibility in how you present your models in AutoCAD, allowing for effective visualization and presentation without altering the actual orientation of objects in model space.

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