Revit :: Referencing Imported Family Type In Formula?
Jul 15, 2013
I wish to create a formula for a family parameter which itself references a 'Type' of an imported family. Specifically I wish to create a quoin stack which can be used for a 'reveal' situation either side of a door or window rather than just on a corner. A 'quoin stack,' as that which comes with the revit content files, typically is made up of two vertical arrays which intersect giving alternative long and short sides. Each of the arrays is made up of a different quoin type, a 'Short' and a 'Long' type which swap dimensions from from perpendicular face to the other. This of course is no good for a reveal situation where on the window or door reveal of both interleived courses needs to be the same, whilst maintaining the 'long/short' appearance on the wall face containing the window or door.
I have got so far as to create a 'reveal depth' parameter within the quoin stack family but need to find a way of addressing the 'Long' quoin type to change its 'short' dimension to suit the reveal depth whilst changing the 'long' dimension of the 'Short' quoin type to be the same.
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Mar 5, 2014
I have built a family and added various types; I have then nested this into my final family and would like to change the nested family type dependant on the final family’s type. (Hope that makes sense). I can do all of this until I want to make a catalogue.
This is what I did:
-Made a family and added types.
-Made a new family.
-Bought in the 1st family.
-Selected the nested family and added a parameter called "Attachment".
This all works fine I can change the type of the nested family in the edit type dialog box. But I need to make a type catalogue and when I export the family types as a txt document the attachment parameter doesn’t appear. So how do I reference this?
I have attached the RFA & TXT files.
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Jan 15, 2013
is there a way to make a if and conditional statement formula in a family with 3 tests?
For example,
Behind Furniture, Biscuit, Masonry Wall, Hard Ceiling are all yes/no parameters
if(and(Behind Furniture, Biscuit, Hard Ceiling), 0' 0 5/16", if(Behind Furniture, 0' 0 11/64", if(Biscuit, 0' 0 11/64", 0' 0 27/256", if(Masonry Wall, 0' 0 11/64", 0' 0 27/256"))))
what is wrond with my formula?
I am trying to change a dimension based on what yes/no parameters are checked. It keeps telling me that its "a bad if statement format". It works fine for the first teo dimension tests but when I add this last one I get the error. I need the 3rd dimension to check against 3 yes/no parameters all being = yes before moving on to the next check.
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Jul 23, 2008
I am trying to find a way to set a particular type in a family as default so that when the family is loaded, that type is what I am inserting.
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Apr 10, 2013
I would like to add different materials in Family type window (value column drop down). How to attain this?
How to create/use shared parameters for linking data through .txt file? If possible replay with images,that will be useful to understand.
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Feb 21, 2012
I'm going through a tutorial on families (Paul Aubin) and have created a shelf w/ nested brackets that works as expected when flexed in the family editor. Any project I load it into shows it at its default configuration, but when I select it in the project and change it's type in the properties box, the configuration does not flex - it stays as inserted. It also shows my parameters in the properties box as individually modifiable.
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Jun 21, 2013
I have a family, with three nested families: A, B and C.
Either A or B can be picked through a "Family Type" parameter. Family C is locked to a reference plane, which is defined by a dimensional parameter called "Offset." Is there a way to have the value of "Offset" change based on whether A or B is loaded? Not sure how to use the "Family Type" dorp-down parameter in/with a formula to do so.
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Jan 20, 2014
I understand how to change material by family type but how can I change object subcategory by family type? Is this possible?
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Jan 14, 2014
Is there a way to add a label that will display the family type name. So when i change the type it will change the text?
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Mar 23, 2013
I am creating a family for a mobile shelf assembly. While an obvious way to create it would be to use an array, because the client needs to be able to tag each shelf unit separately, that can't be done. The client does, however, have a limit of 10 banks maximum, so I've created ten banks in hte family that are controlled by visibility parameters.
Each of the banks can be a different type of shelf (the shelf units are nested families) but they are always of the same overall length and width in any one run.
Here's my problem, Everything flexes correctly as long as the depth of the units stays the same as they were when the family type parameters were assigned to the shelf families as labels. When you try to create a new Type using a wider shelf unit, you get errors.
Without the Family Type parameters assigned as labels, all of the reference planes meant to drive the location of the shelves flex correctly.
I'm using Revit 2013.
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Mar 25, 2013
I've been doing some family as an independent construction detail revit model, I think that is the most appropriate type of detail component. Graphically everything right but I encounter the following problem, all built to type text is not visible in the project then.
How do you control the display? or do you like I can put a text in a detail component family? and if not visible... why would have the option of make texts? Is the only option to annotate after in the project insertion?
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Dec 1, 2013
I recently built a model-in-place generic model ceiling canopy using Revit 2013. I want to place lights (recessed cans) in the model. Can I change the model type to ceiling or is there a way to place light fixtures in it?
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Jan 5, 2014
I am trying to take a custom counter I created as a family and have it show a material in my project. It seems that no matter how I apply the material parameter to the family type object, type or instanced, the material does not change in the project when I apply any new material. I have opened up other countertops I have used from the Revit Default Casework Family and I can't seem to find a difference in the setup between mine and Revit. I wanted to use an instanced parameter so I can change the material per room where the object is used.
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Jan 29, 2014
I'm trying to align a nested family to a reference line in my host family so that it rotates around a certain point.
I've created the reference line in my host family, locked the end point to two reference planes and then gave an angular parameter to the angle between the ref. line and the ref. plane.
I then inserted the nested family and aligned it to the ref. line. The problem is that when I flex the angle, i get a "Constraints not satisfied" error..
What could be wrong?
I'm using a generic face based family for both host and nested families...
Using Building Design Suite Ultimate 2014
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Jan 19, 2010
One day until final plot, and we have a project where 3/4 of the enlarged plan callouts and associated views have lost their "Referencing Sheet" and "Referencing Detail" information.
1. What could have caused this?
2. How to get it back, short of removing the affected views and recreating the sheets?
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Nov 29, 2012
In Revit 2012, I have a plan view (overall, first floor) which is "Independent" but also shows another view as the "Referencing Sheet." When I visit the sheets referenced, I can't identify a reference. The problem is that the "Referencing Sheet" is showing in our title block and we'd prefer to show a blank for Independent views.
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Oct 3, 2013
We have a family that errors when certain values are hit. Its realated to Automatic Sketch Dimension reassociating with work planes when two workplans over lap... Anyway, the QA team knows about this.
The problem I have is that I have an IF statement to trigger an generic error message when these two rare conditions are met. I would rather a pop up window explaining what thy can not do. "Position of legs from ends can not equal half total length" and an OK button.
Is there a "say" style command for revit formulas?
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Nov 12, 2013
I'm facing a problem dealing with visibility formulas... My situation that im dealing with is, I have 2 yes/no visibility parameters, one that is called Right side clearance and another one named Left side clearance. I want to create another yes/no visibility parameter that's called Clearance. I want to link the Right and Left clearance parameter to the Clearance parameter where if it is off, then there will be nothing that shows.. But if I want it on then I would have to select either right or left without them both showing up?
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Nov 3, 2011
I have a dwg that someone imported and I cannot find where this object is. I have tried searching the database with DBLink, Ideate BIMLink and I have gone into every view to no avail. I also used the reviTTools add-in which says there are no drawings in the file. Am I dealing with a corrupted file? I am super OCD and this is in our Template which makes it an even bigger problem.
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May 6, 2011
i want to create a sketch line for a sweep where the radius of the curve varies.. i don't want to use a spline or piece together arcs.. something about distance and radius along the line.. is there a formula and can this be done in revit?
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Dec 27, 2013
I'm trying to use a formula in a family that requires the host wall thickness.
I've setup an instance reporting parameter (dimensioned to the host wall faces) - which works fine in reporting the correct value.
But when I try to use that variable in a formula, I keep getting the error:
"Instance Parameters can't be used in Type Parameter formulas."
Is there a way of getting the reported dimension as a Type rather than an Instance - or is there another work around ?
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Feb 6, 2013
it is possible to create text and then attach a formula to it to change it.
For example:I want to be able to draw or pick a line and if the line is less than X ft than "Say this" if the line is greater than X ft than "Say that"
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Feb 12, 2014
is it possible (Revit 2014) to set up alternate dimensions that report the value represented in a different way via a simple formula?
I am trying to show my dims as brick units (based on standard metric bricks 215x102.5x65mm with 10mm mortar joint), and was hoping to create new 3 dim types, based on CO+, CO- and CO, so the alternate dims i want would be:
CO+ =[value-10]/225CO- =[value+10]/225CO simply =[value/225]
with the appropriate suffixes (CO+, CO- and CO). If this is possible..... or on the cards?
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Jan 10, 2012
We have our first project in Revit that we are having to split among multiple sheets because of the size of the building, so I have made 3 dependent views from the main overall view, named them, cropped them and placed each part (A,B, and C) on separate sheets. Now that I am trying to do enlarged toilet plan views, I want to tag the plans with the plan callouts on the 1/8” sheets that are the dependent views, but all the view tags are referencing dependent view A since it is the first dependent view in the list. If I change sheet A to be named Sheet X for instance, all the view tags now reference sheet B since that becomes the first dependent view alphabetically. I want them to reference the sheet they appear in, but I can’t seem to figure out how to do that, even though they are in different dependent views completely and within the crop region, they all default to the first dependent view in alphabetical order.
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Jul 18, 2013
In Revit 2013 I attempt to load an item from the Family but I find that the “Load Family” dialog box does not appear. how to get it to cooperate? Even starting a new project the load family dialog box does not appear. I have done: 1) system restore, 2 ) repaired install, 3 ) re-installed, 4) uninstalled and reinstalled from scratch but still the problems persists on this machine. all other office PC’s with Revit 2013 behave.
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Jul 5, 2013
I've attached a simple RVT file with a family inserted and the front view active. I need to rotate the family 90 degrees but Revit reports the following error:
"Can't draw because Work Plane is at a very sharp angle in this view. Go to another view or redefine the Work Plane."
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Mar 14, 2012
I have several window types in my project. Let's say that the window is 3'-0" wide by 4'-8" high - Mark #1. I want to group three of these windows and schedule the group as Mark #2 - not three separate #1 windows. How do I set up the three windows together to become a single window schedulable for the entire opening of the three windows grouped together so that the opening would read 9'-0" wide?
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Jan 15, 2014
Is there a way to load, for example, a wall created in a different project, into another project?
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May 21, 2013
I downloaded a grab bar family that I thought looked very good. But then I tried to place it on the toilet stall portion (I also downloaded stall partition families). When I tried to place the grab bar, it wouldn't place -- I believe because the grab bar is WALL BASED.
So now the question is how do I go about placing a grab bar (or anything else) that is not wall based so that I can use it with the stall portion? I had tried to use face based but couldn't get that too work.
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Mar 28, 2012
Im try to crop .rft format but i cant crop my family model in project file. Then how to explode family in project file.
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Apr 9, 2013
I would like to create family type with drop down list as shown in the image.
How it is created and for what?
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