Revit :: Make Conditional Formulas With A Parameter?
Mar 5, 2012
I was wondering if there was a way to make conditional formulas with a parameter? So I want a parameter called system. On the pulldown to enter the field under properties.
I want there to be 3 choices (i.e. 1=Air, 2=Water, 3=Gas).
If the user tries to enter any value other than the 3 values specified (whether by typing or pulldown), a message comes up stating they cant do that. The names for the systems have been simplifed for this example but the spelling is critical to the external database. I have tried but but I keep getting the follwoing is not a valid family parameter: X. X because thats the first conditional value.
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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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Jan 16, 2013
Is it possible to read the current wall thickness of a door's host and use that dimension in a conditional statement to locate the frame's setback?
If the wall is deeper than the frame I want the door flush with the wall, if the frame is deeper than the wall, I want the door centered.
I set up a Wall Width paramenter in my door family but I keep getting the "Inconsistent units" error message.
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Mar 22, 2013
I have been working on creating windows for the place I work. I want to make my windows so they are quick and easy to create new ones without having to add in new information like if the glass is tempered or if its an egress window. I would like to set up formulas for these. I am stuck at my egress window parameter. I have included an image of what I am working on and the calculations and formulas I have so far. I would like to have my egress check box to say yes if the Opening Width is greater then 20", the opening height is greater then 24" and the opening sf is greater then 5.7 Sf. How would I set this parameter up?
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Oct 20, 2013
I've created an area schedule that divides my plan into seperate appartments. I would like to sort mu window schedule by this parameter- is there an option to link a window to a specific area, just like it's linked to floors?
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Mar 5, 2014
How I can get the finished floor material from the floor in the room tag? The only way I know is to manually write material via Change Parameter Values in the tag.
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Jun 4, 2013
I am able to get the parameter to appear on the project information tab, but I cannot get the information to appear on the sheet. I would like to create a phase parameter on the sheet so that different projects under the same building will be specific to the project and not just the building.
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Jul 30, 2012
It is possible to create a Parameter with the Filename? I have only found the FilePath parameter...
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Oct 5, 2011
Does the tooltips on Label Parameters can be modified? I would like to customize the tooltips on label parameters, which currently default to "Edit Parameter"...lame-oh; that tells the user very little. Perhaps the developers could add a customize tooltip control in the Edit Label dialogue box. Can the tooltips be accessed through the database?
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Feb 19, 2014
I have set 2 parameters in the Family Editor so they 'Group Under' Dimensions, yet when I load into a project (that the family object has been deleted out of via the Project Browser), I find instead they are Grouped under 'Other'.
One of the offending objects attached.
I've done this 2 ways, once by opening within Revit the Family Editor, making the change and then loading back into the file, only to find nothing has changed, and also then by again opening up in the family editor from Revit to find ditto; and separately by opening up the file directly in Explorer and then loading into the open project.
Not an enormous problem, just annoying as I want to group Dimensions parameters naturally enough under Dimensions!
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Mar 4, 2012
I find the visibility parameter a very useful option when building families. Unfortunately it doesn't work when exporting IFC. The elements set to not visible are visible in the IFC exports.
I also experienced IFC export issues with the use of phases.An element created at phase 1 and set to demolished at phase 2, will not be visible in the IFC export of phase 1.
The IFC Exporter for Revit 2012 v1.0.4.msi was used when running into these issues.How to be able to have correct IFC exports using the visibility parameter ?
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Jun 12, 2013
I am using Revit 2013 and I am trying to create a text parameter for my windows that will tell you what grid is installed in the window according to which grids you choose (from my parameters above) I have included a picture to better show what I am trying to do. So far the parameters i have tried to use don't seem to work.
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Jul 26, 2012
Is it possible to convert a numeric parameter to text so i can add it to another text feild? I cant seem to find a way to do it.
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Feb 23, 2014
when I insert a window family the cut plane Revit uses is that of the family rather than that of the view. This causes a lot of problems for us when we need to cut the same window at different levels in different views and the window itself should look different. The window itself is built to look differnet at 3 ranges of cut plane height. However, if I try to control this throught yes/no visibility parameter it affects all views. I fail to make it view specific. Is there any way to make an instance parameter or view specific parameter for the cut plane/ visibility of parts in the window family. It is such a basic need for architects and I fail to understand its absence in the Revit. Generaly speaking one should be able to control what you see in each plan section view. It's an essential thing in architectural drawing.
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Feb 16, 2012
I wonder if we can play with a revit family file ; for example modify parameter values without opening revit.
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Dec 30, 2011
How do I set up a Project Parameter to reference a txt file as a data set? (the same way CSI division codes are referenced)
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Jul 15, 2013
I need to constrain a handle to a butterfly valve and add a parameter for rotating the handle angle. I can't achieve this as when I constrain the handle to the valve the handle will not rotate without breaking the positional constraints.
I've tried looking at the door swing posts but they don't use circular objects and I can't get them to work for my valve.
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Apr 24, 2012
I have a family that has over thirty types and I need to update a single parameter value across all types to be the same value. Is there a global way to perform this task instead of the current copy/paste/paste/paste method I am doing. I thought about exporting to a catalog and modifying the text file in Excel, but I lose my formula when I do that.
If this isn't possible, this would be a good wishlist item, Autodesk - where a family has global parameters that are consistent throughout the family, regardless of type.
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Dec 30, 2011
Is there a way to prevent an empty parameter from showing as a "?" in a tag?
Windows 7RAC2012
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Oct 22, 2013
I'm wondering if it is possible to filter/show only parameter values which are only applicable to that parameter. So no parameter values belonging to other parameters in a family. This to avoid that users are selecting wrong values. For example a door with several text parameters. See also the screendump.
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Feb 28, 2014
How to create a parameter field to include the MasterFormat data using 'txt' file similar to Assembly code parameter already built into revit families. I don't want to use the Keynote field for this purpose. I am looking for a ways to create a new parameter under the Identity Data.
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Jul 25, 2013
Is it possible to create a Stair Tag with the pitch reported? I have a tag which includes the number and height of rises as well as the size of treads but I would like to include the pitch also. Obviously this would use the dimensions of the rise and tread in the formula Tan X = Rise/Tread, but how do I create this in a tag? I have looked at using a Reporting Parameter but every time I read the Wikihelp paragraph on them my eyes just glaze over as I cannot follow it at all but it does mention formulas....
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Feb 7, 2014
I would like to know that while system families are not editable, would the shared parameters file for these families be accessible? I am looking to add a custom label for sections.
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Jan 6, 2014
I created a project parameter (in order to group my sheets with my custom system) and I'd like to create a label on my titleblock that's the ability to show this project parameter atomatically.
I reckon it has something to do with shared parameters but how to use them.
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Jun 21, 2013
I need a parameter that will pull the reference level elevation. is this possible to accomplish in a structural foundation family?
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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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Apr 27, 2005
When I flip a door from left to right side can I see changes in schedule table? I can't fin a parameter for swing orientation.
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Dec 18, 2013
How does the Cost parameter in materials work in Revit? I know you can set a value for a cost. But what amount of that material is the cost associated with? For example, if I set a cost 3.00 for Common Brick, is that 3.00/unit, 3.00/sq. ft., etc?
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Feb 25, 2014
If there is a way of managing the width (and start position) of a text parameter?
I have created a 'Title Sheet' stamp for entering the proposed materials that are intended for a building project. This is used for a UK Planning Application where the required materials intended for use in a project need to be declared. Having created a suitable stamp where the information infills are created from Project Information parameters I need occasionally to widen the column width to accommodate the amount of text so that it does not need to drop down to another line and be lost behind the text on the next line?
See the attached image below:
:
On the second column 'Proposed' the word 'panels' which comes after 'weatherboard' is lost behind the lower line. If I can lock each label to the vertical lines to their left (they are all center) formatted) and extend their width to the right, along with the column vertical dividing line, then the labels will fit. Similarly I could increase the depth of each row.
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Jun 27, 2012
How to create a 'No/Yes' or visibility parameter for a title block? I have my Architectural Seal as an image inserted into my title block family. I want to have that as a parameter for visibility so I can have it turned off until I am ready to print for final building department submission filing.
If possible, this would be a global adjustment so I would operate this parameter once and will affect all the sheets in the project instead of having two title block families and swapping those out at the time of filing.
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May 31, 2012
question...how to make Structural Slab TAG?...
all I can see was structural foundation structural columns and framing
then if i try to make them...i can't find a label or parameter on determining its thickness...T_T
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