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Chapter 11. Viewing the Drawing > Refreshing the Viewports

Refreshing the Viewports

Whether you are dealing with a single viewport or multiple viewports, at times stray pixels remain onscreen. This typically occurs if you have moved a large number of objects and you can see remaining pixels from where the objects were moved. Or you may have erased a number of items from the drawing and it appears that the Erase command did not get everything. Use the Redraw command to clean up these pixels, giving you a clear view of your drawing. In the case of multiple viewports, if you want to refresh all the viewports at once rather than separately, use the RedrawAll command. This refreshes the display in the current viewport.

Regenerating the View

At times, the view needs to be regenerated so AutoCAD can recalculate the location of all objects in the drawing. Unfortunately, this is a necessary process for AutoCAD. You have already seen this occur although you may not have realized it. Changing a viewport configuration regenerates a drawing, or this also may occur when you toggle to thaw a layer that was previously frozen. You can also force this to happen when needed, and doing so helps AutoCAD speed up the process of selecting large sets of objects in the drawing.


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