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Thread: Revit light fixture light source geometry won't go away

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    Active Member david_spehar's Avatar
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    Default Revit light fixture light source geometry won't go away

    I've followed instruction in several posts to isolate and turn off the Revit Light Source objects which I've executed with much success. However...I've run into a glitch. I received a Revit MEP file with lighting fixtures that contain Light Sources that cannot be isolated. They are not assigned the Default Light Source material and when I select the geometry in Navis it is tied to the associated light fixture. Furthermore, when I try to edit the families I can't delete the Light Source. I've attached a screen cap of the lights in Navis with these odd tumors hanging from them. Any thoughts???
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    David Spehar, AIA
    Burt Hill

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    100 Club mitch.cornelius's Avatar
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    Default Re: Revit light fixture light source geometry won't go away

    I think this started happening in the 2011 version of Revit. Certain fixture families prevent you from isolating the light source. The newer versions of Revit won't allow deleting or changing the size of the light sources (from what I can gather). I really don't have a good solution for you...I've just been working around them when I come across them (no fun during clashing).

    If you find a solution, please post it here!

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    Active Member david_spehar's Avatar
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    Default Re: Revit light fixture light source geometry won't go away

    Thanks Mitch. Not the answer I was hoping to get but at least I know what I'm deailing with. Hopefully someone else will read this and provide the magic answer.
    David Spehar, AIA
    Burt Hill

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    I could stop if I wanted to Revit for Breakfast's Avatar
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    Default Re: Revit light fixture light source geometry won't go away

    I tell people they are Molars, part of the revit dental add-on.
    “Enthusiasm is the most evident form of passion you can use to fire others up to do their job and apply their own characters to the job.”

    – General Rick Hillier – Canadian Chief of Defense Staff 2005-2008

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    Active Member david_spehar's Avatar
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    Default Re: Revit light fixture light source geometry won't go away

    Don't believe the hype!!!

    Nice workaround - thanks. Now if only I didn't have to do it for 25 fixture families every time I get a new model...
    David Spehar, AIA
    Burt Hill

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    Active Member david_spehar's Avatar
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    Default Re: Revit light fixture light source geometry won't go away

    Quote Originally Posted by Revit for Breakfast View Post
    I tell people they are Molars, part of the revit dental add-on.
    Is my browser playing tricks on me??? This isn't your original post is it? I swear you posted a solution with turning off the Light Source in the individual families. Did I dream that? If so, it worked.
    David Spehar, AIA
    Burt Hill

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    All AUGI, all the time pauljordan's Avatar
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    Default Re: Revit light fixture light source geometry won't go away

    Quote Originally Posted by david_spehar View Post
    Is my browser playing tricks on me??? This isn't your original post is it? I swear you posted a solution with turning off the Light Source in the individual families. Did I dream that? If so, it worked.
    You dreamed it.. Only because RFB dream walked into your dreams last night and showed you the way.

    He's got ninja dreamwalking skills.

    Me, I usually just go to the bathroom and the idea comes to me..

    When I used to work for a reseller and was stuck on an idea, my marketing person would say "Go drink some water, it'll come to you." She was right.. It always did.
    Give a man AutoCad, and he'll draw you a floor plan.
    Give a man Revit and he'll build you a house.
    Give Cadmama a couple of drinks and she'll have everyone singing Rockytop!

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    Active Member david_spehar's Avatar
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    Default Re: Revit light fixture light source geometry won't go away

    You guys are freakin' me out. I'm going back to the Revit forum - they're less creepy there.

    For anyone that'll actually search this post for an answer - the workaround on the table is to disable the light source in the light fixture family. It does work but unfortunately this is required for each family and chances are your engineer won't do it since they rely on the data associated with the light source.
    David Spehar, AIA
    Burt Hill

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    I could stop if I wanted to Teresa.Martin's Avatar
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    Default Re: Revit light fixture light source geometry won't go away

    Quote Originally Posted by david_spehar View Post
    You guys are freakin' me out. I'm going back to the Revit forum - they're less creepy there.

    For anyone that'll actually search this post for an answer - the workaround on the table is to disable the light source in the light fixture family. It does work but unfortunately this is required for each family and chances are your engineer won't do it since they rely on the data associated with the light source.
    I actually discussed how to do this in navis in my blog. You can look here:
    http://bimnewworld.blogspot.com/2010...t-sources.html
    Regards,
    Teresa
    Teresa Martin
    Senior Application Specialist, IdeateInc

    Ideate on Youtube! http://www.youtube.com/user/IdeateInc
    Ideate Solutions blogs! http://ideatesolutions.blogspot.com/

    Check out my blog: http://bimnewworld.blogspot.com

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    Active Member david_spehar's Avatar
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    Default Re: Revit light fixture light source geometry won't go away

    Right BUT...the issue I'm having are lights who's light source object cannot be controlled through this nifty search set. If you look at the screen cap in my initial post it'll show you the tumors (or molars as RFB put it) that don't respond to this. Apparently this is the byproduct of light fixture families upgraded from versions of Revit prior to 2011. To the best of my knowledge there is no way to isolate their geometry in Navis so you have to disable the light source in the Revit families. Unless, of course, I missed something in your blog that addresses this with a better workaround.
    David Spehar, AIA
    Burt Hill

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