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RAMasterson
Posts: 83
Registered: ‎08-21-2002
Message 1 of 13 (619 Views)
Accepted Solution

no hidden line in existing duct drop

619 Views, 12 Replies
02-11-2013 01:59 PM

I"m not getting a hidden line when I have existing duct with a mitered elbow down, show on a view with New Construction phase. If I change the phase to existing the hidden line shows but the linework is heavy.

Any help is appreciated...thanksRevitCapture.JPG

This is indeed a matter of  Phasing / Phase Filters / Graphic Overrides.

 

So, the Ducts are existing (they're created in the Existing Phase), which means that if the View is set to the Existing Phase, then these elements are considered "NEW" by Revit. This is because setting the View to the Existing Phase is like traveling back in time to the point in which the existing elements were built, hence, they are considered to be new in this View.

 

--------------------------------------------------------------------------------------------------------

Here are a couple of threads if you would like a more detailed explanation on Phases:

Phasing in an Existing model  &  Phased by Phasing

--------------------------------------------------------------------------------------------------------

 

Now, since these are considered "NEW", they display "By Category" according to the Phase Filters (reference the image below, green), and thus are not affected by the Phase Override Graphics.

 

Once the View's Phase is set to New Construction, these elements are now considered "EXISTING" since they are created in a previous phase. This means that according to the Phase Filters, the graphics will be "Overridden" (reference the image below, red). And since the Override Graphics of the Existing Phase Status are forcing a "solid" line pattern, the Duct's hidden line is overridden.

 

If you change this Pattern override to "<no override>", your hidden lines will display as you desire, but be warned: this will affect the display of all elements in the entire Project!

 

PhaseFiltersGraphics.JPG

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CADastrophe
Posts: 3,292
Registered: ‎08-28-2009
Message 2 of 13 (577 Views)

Re: no hidden line in existing duct drop

02-12-2013 11:35 AM in reply to: RAMasterson

Check you Phase Filters - perhaps there is an line style override taking precedence. Go to Manage tab » Phases » Phase Filters tab.

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Valued Contributor
RAMasterson
Posts: 83
Registered: ‎08-21-2002
Message 3 of 13 (567 Views)

Re: no hidden line in existing duct drop

02-12-2013 12:35 PM in reply to: CADastrophe

Thanks for the suggestion...I had already looked at the phase filters & played around with no joy. I revisited there again after your post...no good. Perhaps its somthing in my template. I tried to attach a sample .rvt that is exhibiting this behavior (purged as much as possible), but its still to big (5mb) . If possible, could I email you the file and you have a look and see if you can locate the problem.

Reply to my email so your won't have to post your address: ram@leapc.com

Thanks again!

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CADastrophe
Posts: 3,292
Registered: ‎08-28-2009
Message 4 of 13 (562 Views)

Re: no hidden line in existing duct drop

02-12-2013 12:43 PM in reply to: RAMasterson

Before resorting to email, try manually deleting all of the unused Pipe and Duct Fittings as 'Purge Unused' will not remove them. If it's still not small enough, I shall send you my email address via Private Message.

Corey D.                                                                                                                  ADSK_Logo_EE_2013.png    AutoCAD 2014 User  Revit 2014 User
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Valued Contributor
RAMasterson
Posts: 83
Registered: ‎08-21-2002
Message 5 of 13 (554 Views)

Re: no hidden line in existing duct drop

02-12-2013 01:15 PM in reply to: CADastrophe

Deleting the Duct/Pipe fitting did the trick...toggling the view's phase from New Construction to Existing will show the issue.

Thanks Corey

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CADastrophe
Posts: 3,292
Registered: ‎08-28-2009
Message 6 of 13 (552 Views)

Re: no hidden line in existing duct drop

02-12-2013 01:46 PM in reply to: RAMasterson

This is indeed a matter of  Phasing / Phase Filters / Graphic Overrides.

 

So, the Ducts are existing (they're created in the Existing Phase), which means that if the View is set to the Existing Phase, then these elements are considered "NEW" by Revit. This is because setting the View to the Existing Phase is like traveling back in time to the point in which the existing elements were built, hence, they are considered to be new in this View.

 

--------------------------------------------------------------------------------------------------------

Here are a couple of threads if you would like a more detailed explanation on Phases:

Phasing in an Existing model  &  Phased by Phasing

--------------------------------------------------------------------------------------------------------

 

Now, since these are considered "NEW", they display "By Category" according to the Phase Filters (reference the image below, green), and thus are not affected by the Phase Override Graphics.

 

Once the View's Phase is set to New Construction, these elements are now considered "EXISTING" since they are created in a previous phase. This means that according to the Phase Filters, the graphics will be "Overridden" (reference the image below, red). And since the Override Graphics of the Existing Phase Status are forcing a "solid" line pattern, the Duct's hidden line is overridden.

 

If you change this Pattern override to "<no override>", your hidden lines will display as you desire, but be warned: this will affect the display of all elements in the entire Project!

 

PhaseFiltersGraphics.JPG

Corey D.                                                                                                                  ADSK_Logo_EE_2013.png    AutoCAD 2014 User  Revit 2014 User
──────────────────────────────────────────────────────────────────────
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Valued Contributor
RAMasterson
Posts: 83
Registered: ‎08-21-2002
Message 7 of 13 (541 Views)

Re: no hidden line in existing duct drop

02-12-2013 02:01 PM in reply to: CADastrophe

Wow... Excellent response and thanks for the education. I had to read it a couple of times, but I think I've got it.

Thank you so much.

*Expert Elite*
CADastrophe
Posts: 3,292
Registered: ‎08-28-2009
Message 8 of 13 (538 Views)

Re: no hidden line in existing duct drop

02-12-2013 02:07 PM in reply to: RAMasterson

It can be a lot to absorb. To delve a little deeper into this, perhaps I have a little test questions for you then (if you're interested):

 

So, when you change the View's Phase to New Construction, the Duct lines take on the Graphic Override, which is a Solid line, right? Well, can you tell me why the Duct lines do not also take on the Gray Color that is define by the Graphics Override, instead remaining blue?

Corey D.                                                                                                                  ADSK_Logo_EE_2013.png    AutoCAD 2014 User  Revit 2014 User
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Valued Contributor
RAMasterson
Posts: 83
Registered: ‎08-21-2002
Message 9 of 13 (535 Views)

Re: no hidden line in existing duct drop

02-12-2013 02:17 PM in reply to: CADastrophe

I assume its because the supply air duct system type properties graphics overrides take priority...and thats set to blue

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CADastrophe
Posts: 3,292
Registered: ‎08-28-2009
Message 10 of 13 (518 Views)

Re: no hidden line in existing duct drop

02-13-2013 05:56 AM in reply to: RAMasterson

Phase Graphic Overrides actually trump the System Graphic Overrides. And while that is indeed responsible for the "blue-ing" of the new elements belonging to that Duct System, there is another element in play here. Try changing the Duct System to Red and see that the Duct remains blue.

Corey D.                                                                                                                  ADSK_Logo_EE_2013.png    AutoCAD 2014 User  Revit 2014 User
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