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View Full Version : Poor Graphics in Linked Files



rkreisler.130845
2008-11-13, 02:30 AM
Hi,

I'm linking a few CAD files into Revit for use as backgrounds and have found difficulty working with them. A couple of issues I've been having in regards to a linked site plan:

- The regeneration of the graphics on my screen can't seem to "catch up" with whatever I'm trying to do. If I'm trying to move the linked file on the screen by picking a point and snapping it to another point, the end point doesn't seem to match the actual location of the end point I see on the screen. The hi-lighed "end point" hovers near/around the actual end point I see on the screen. This makes it difficult when I'm working with a group of lines drafted closely together.

- When I zoom in too closely to the linked file, I get distorted lines (lines turn into thick/thin triagles) and then it's impossible to see anything to work on coordinating aligning, moving, etc. It does not matter if I click on the icon to see all thin lines.

- When I go to print, the linked file's lines are jagged even if they were drawn straight in CAD, curves and arcs are jagged, and even lines which were off-set when they were drawn in CAD do not show the correct and consistent distance from one another.

I've tried turning off all the worksets I'm not using so that it doesn't burden my graphics card, but that doesn't work and it still doesn't resolve my printing issues.

Any help would be appreciated.

Thanks!

scott.neumann
2008-11-13, 04:32 AM
I ran into this same issue a few weeks ago and determined that the distorted graphics were caused by an xref that was bound into the DWG file as a block. I opened the DWG file, exploded the block, then reloaded it into my Revit project and the problem was resolved.

I'm not sure if other blocks cause the same issue or if it's the size of the block or what - but exploding it did the trick.


Hope this helps!

Dimitri Harvalias
2008-11-13, 05:02 AM
You may want to check the origin in the linked CAD file. Revit has issues when the dwg file contains geometry more than a mile from the origin (the 0,0,0 point not the base point).

rkreisler.130845
2008-11-18, 01:59 AM
I wish I got a chance to use these suggestions, but for some reason the graphics worked themselves out when someone else from my office opened the file. We didn't alter anything else and the graphics now come out fine once he opened the file. After he opened the file and saved to central, I opened the file and discovered everything was okay and even my plots are fine now. Curious...