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Member
briavery
Posts: 5
Registered: ‎11-25-2007
Message 1 of 5 (463 Views)

imported acad hatch patterns

463 Views, 4 Replies
11-25-2007 04:23 PM
I am having trouble with hatch patterns linked from acad into Revit. Most of our details on our project are drawn in acad, and I am linking the DWGs into the detail views. All works well, except for dense hatch patterns. The hatch patterns will only display correctly if the hatch scale is such that the pattern is sparse. Otherwise, the dense hatchs show as a solid fill.
Any suggestions?
Distinguished Contributor
melarch
Posts: 1,707
Registered: ‎03-09-2003
Message 2 of 5 (463 Views)

Re: imported acad hatch patterns

11-26-2007 05:57 AM in reply to: briavery
First, you want to link your details into a Drafting view, not a Callout - Detail View, unless you meant by Detail view, Drafting view. If you import your DWG details into a Callout - Detail view the scale of the hatch patterns will not necessarly read correctly at the correct scale.

You could Region Fill over the DWG hatch patterns and/or eliminate all hatch patterns by layer on importing the DWG, but importing the DWG into a Dafting view will be more successful.

Mel Persin, AIA
AEC Technology Consultant
Technology to Visualize and Realize Solutions
Reporting from Autodesk University 2007
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Member
briavery
Posts: 5
Registered: ‎11-25-2007
Message 3 of 5 (463 Views)

Re: imported acad hatch patterns

11-26-2007 09:02 AM in reply to: briavery
Thanks for the reply. Yes, I had been linking into a detail callout, but linking into a drafting view doesn't seem to make a difference. Neither does it make a difference if I import the DWG instead of link it.

Turning the hatch layers off in Revit is not an option because I need the hatches. Drawing filled regions would take quite awhile and seems to defeat the purpose of linking DWGs in the first place.

I've attached a jpg of a detail as seen in acad, and as seen in Revit. As you can see, most of the hatched sqaures simply turn solid black when brought into Revit 2008. The only way to get them to come in as hatches and not solid is to increase the hatch scale to something less dense.
*Brian
Message 4 of 5 (463 Views)

Re: imported acad hatch patterns

11-26-2007 09:20 AM in reply to: briavery
that looks about right - i struggled with this for awhile and then decided
to use live revit cuts for most of the details. this has many more benefits
as well.

--
Brian Earsley
www.arete3.com
18645 West Creek Drive
Tinley Park, Il 60477
708.342.1250 x.225
wrote in message news:5785366@discussion.autodesk.com...
Thanks for the reply. Yes, I had been linking into a detail callout, but
linking into a drafting view doesn't seem to make a difference. Neither does
it make a difference if I import the DWG instead of link it.

Turning the hatch layers off in Revit is not an option because I need the
hatches. Drawing filled regions would take quite awhile and seems to defeat
the purpose of linking DWGs in the first place.

I've attached a jpg of a detail as seen in acad, and as seen in Revit. As
you ca
n see, most of the hatched sqaures simply turn solid black when brought into
Revit 2008. The only way to get them to come in as hatches and not solid is
to increase the hatch scale to something less dense.
Distinguished Contributor
melarch
Posts: 1,707
Registered: ‎03-09-2003
Message 5 of 5 (463 Views)

Re: imported acad hatch patterns

11-27-2007 05:54 AM in reply to: briavery
The issue is with AutoCAD and hatch pattern scale factors. Revit does not always, in fact infrequently, interpret the scale factor from AutoCAD in model views. Simply the hatch pattern scale density is not sufficient for the scale factor of the detail view.

Mel Persin, AIA
AEC Technology Consultant
Technology to Visualize and Realize Solutions
MasterGraphics, Inc.
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