X-refs

Cesar R · March 31st, 2003

What is the difference between the 2 x-ref modes? (ie. overlay and attachement?)

Cesar R · April 1st, 2003

very nice explenation , thank you kerry

Kerry Thompson · April 1st, 2003

Hi Cesar R

Take the example of dwgA, with reference attached dwgB, with a reference attached dwgc. Opening up dwgA would show dwgB and dwgC.

Take the example of dwgA, with reference overlay dwgB, which links to reference overlay dwgC. Opening up dwgA would only show dwgB - dwgC will not show.

Opening up dwgB would show dwgC.

Overlay links only one level down a nested xref chain whereas "attached" links down the whole chain until the first overlay it encounters.

Possible application - imagine a plan overlay xrefed to a grid and this grid overlay xrefed to the same plan. If we had used "attached" xrefs, we would have an issue with circular xrefs ie, plan xref grid xref plan. Using the overlay however, the plan will only show the xrefed grid and working on the grid will show the xrefed plan. This will allow you to work on the plan with the context of the grid, and on the grid in the context of the plan.

Hope this helps

Kerry Thompson

March 31st, 2003	#1 (permalink)
Cesar R Veteran Member Join Date: Apr 2002 Location: Florida Age: 26 Posts: 876 Name: Cesar Rullier	What is the difference between the 2 x-ref modes? (ie. overlay and attachement?) __________________ Xeon 5130 : Revit + 3DSMax Architecture Student / Autodesk BSD AE ------------------------------------------ Fa5 - Honda Civic Si

April 1st, 2003	#2 (permalink)
Cesar R Veteran Member Join Date: Apr 2002 Location: Florida Age: 26 Posts: 876 Name: Cesar Rullier	very nice explenation , thank you kerry __________________ Xeon 5130 : Revit + 3DSMax Architecture Student / Autodesk BSD AE ------------------------------------------ Fa5 - Honda Civic Si

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April 1st, 2003	#3 (permalink)
Kerry Thompson Moderator Join Date: May 2002 Location: New Zealand Age: 53 Posts: 151 Name: Kerry Thompson	Hi Cesar R Take the example of dwgA, with reference attached dwgB, with a reference attached dwgc. Opening up dwgA would show dwgB and dwgC. Take the example of dwgA, with reference overlay dwgB, which links to reference overlay dwgC. Opening up dwgA would only show dwgB - dwgC will not show. Opening up dwgB would show dwgC. Overlay links only one level down a nested xref chain whereas "attached" links down the whole chain until the first overlay it encounters. Possible application - imagine a plan overlay xrefed to a grid and this grid overlay xrefed to the same plan. If we had used "attached" xrefs, we would have an issue with circular xrefs ie, plan xref grid xref plan. Using the overlay however, the plan will only show the xrefed grid and working on the grid will show the xrefed plan. This will allow you to work on the plan with the context of the grid, and on the grid in the context of the plan. Hope this helps Kerry Thompson

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