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Problems with arcs in viewports in AutoCAD 2016


guran

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When I look att a figure in a viewport arcs does not appear in the right position but showed all over the place.

Does anyone know what this could be?

 

Please look at the attached pictures - one good (modelspace)and one bad (paperspace viewport).

good.jpg

bad.jpg

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I've had similar graphical displacement issues running 2016 at work. It is because I am forced to use an on board video processor that is not even close to capable of anything. The more dense the drawing, the more likely it is to happen. Attaching a large pdf or even another drawing even makes it breathe hard.

 

Do these arc's plot properly?

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The arc's plot properly, it is only in viewports on the screen this happens, and the larger the radius the more wrong it gets. But we have now discovered that if we change the Visual Styles from 2D Wireframe to Wireframe the problem disappears.

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... but it can, be if it isn't working properly.

 

If the print output is as expected, what are the alternatives?

 

AutoCAD related? Probably not.

Edited by RobDraw
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Does Autodesk have a certified driver for that card?

 

New or not, you are describing a graphics problem, maybe a different driver will help.

 

What happens if you turn off/on Hardware acceleration?

 

What OS and how much RAM?

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