|rotate viewport in the layout|
Follow the following instruction to rotate a view by changing the UCS:-
1-Go to layout plan in paper space and double click to go inside,
2-Type in command line ucs.
3-Hit enter key.
4-Select first point and second point according your own direction.
5-Hit enter key.
6-Type plan in command line.
7-Hit enter key.
8-Zoom to your layout and adjust.
Second option to rotate view port :-
- Double-click within the viewport whose objects you want to rotate.
- Make sure that the current UCS is parallel to the plane of rotation .
- Click View tab => Coordinates panel => World.
- Click View tab => Coordinates panel => Z.
- To rotate the view 90 degrees clockwise, enter 90. To rotate the view 90 degrees counterclockwise, enter -90.
- Click View menu => 3D Views => Plan View => Current UCS. The entire view rotates within the viewport. You may need to specify the scale of the viewport again.
- On a layout, enter MVSETUP at the Command prompt.
- Enter a (Align).
- Enter r (Rotate) to rotate the view to a specified angle or with two points.
- If multiple viewports are available on the layout, click the viewport with the view that you want to rotate.
- Specify a base point for the rotation.
- Specify the rotation angle or specify a second point to determine the angle of rotation.The entire view rotates within the viewport.
- To restore the previous UCS, enter ucs and then p (Previous).
For more details see below video for rotate drawings in paper space without lisp.
you can also use autocad lisp to rotate viewport in paper space