i want to create a surface made of 4 adaptive points in revit, but i want this surface to offset from those point in Z direction and on X axis or Y axis

[OFHACHEM]

Basically the title says it all, i am creating a 4 points adaptive family where i want the surface to offset from those points in the Z axis and also most importantly outside the border of those points in the Y or X axis, here is a picture explaining exactly the offset.

Z axis offset is easily done and internal offset is easily done, but i want the offset outside the border of those 4 points. 

[barthbradley]

Sounds like you want to host Ref. Points to other Ref. Points and drive those RPs offsets from their host RP parametrically.   Are you familiar with what I'm talking about? 

[OFHACHEM]

Yes, the issue is with hosting actually, i have tried several ways to host those points over other points, but there is always an issue with that because its outside the square of the adaptive points. Check images below (A1) if ref point are hosted on XY plane of adaptive 1 and 2, when pt 2 moves upwards the hosted point will stay in XY plane of the latter. Yet i want that ref point to move on the same ref line connecting adaptive point 3 with 2 (PIC A2)

@barthbradley 

  

[barthbradley]

My guess is the RPs aren't hosted to the correct workplane.  Definitely not hosted correctly.  Post the RFA and I'll take a look at it. 

[barthbradley]

Actually, it looks like you need 2 more RPs - all being driven off of each other.  

[OFHACHEM]

I have found a way to do it in an Adaptive curtain panel family, i will send both, the solution i made in the CP family  (RVT file name: T3) and the Adaptive family i am trying to make (RVT file name: T2)

Much appreciated

[ToanDN]

You need 3 points at each adaptive point in order to offset x y z from it.  The last points of the 3s define the surface corners.

[OFHACHEM]

Can you please elaborate how should i place those 3 points and where should be their host planes. I'm pretty sure i've tried everything but cannot figure it out

[barthbradley]

---

@OFHACHEM wrote:

I have found a way to do it in an Adaptive curtain panel family, i will send both, the solution i made in the CP family  (RVT file name: T3) and the Adaptive family i am trying to make (RVT file name: T2)

Much appreciated

---

Okay, so I have your family in front of me.  Can you clarify what it is that you want to happen?  

FWIW: Naming RPs is a good habit to get into. Makes troubleshooting a whole lot easier. 

[OFHACHEM]

Thank you, will name the RPs.
In family file name T2 if you move any adaptive point the offset will break.
I want to be able to move any adaptive point and keep the offsets such in CP family T3.
Am i being clear enough ?

[OFHACHEM]

In theory what i did (PIC B1) works fine if you only move one adaptive point, but when you move 2 consecutive AD pts check (PIC B2) the surface will not be uniform no more

@barthbradley 

[OFHACHEM]

The reason im doing this is the following attached pic. I am trying to apply panels on the following steel structure where some constraints are applied. I want to be able to click four points and get the panel with the parameters i am placing (C1), and my reference will be the centerlines of the steel tubes (C2) but the thing is the panel extends beyond those ref points, (top offset) (C3) also another offset from the surface itself

[OFHACHEM]

Please check image below for Parameters needed (C4 and C5)

Note that all 4 point of panels might not be on the same plane ( That will make a twisted panel ) Which take me back to my issue in the family

@barthbradley 

[ToanDN]

---

@OFHACHEM wrote:
Can you please elaborate how should i place those 3 points and where should be their host planes. I'm pretty sure i've tried everything but cannot figure it out

---

Host point 1a on XY plane of adaptive point 1, offset.  Host point 1b on XZ plane of point 1a, offset.  Host point 1c on YZ plane of point 1b, offset.  Repeat at all 4 adaptive points.  Use 1c, 2c, 3c, 4c to create the boundary lines of the surface.

[OFHACHEM]

I hosted 1a on XY AD PT 1 - then 1b on ZX 1a - then 1c on ZY 1b

All the points move with XY AD PT 1 - i want 1c to be on ref line of (AD PT pt 4 and ref PT 1a)

Do you get my point ? I think @barthbradley got what i meant

[barthbradley]

So B2 is what you want NOT to happen? How can it NOT?  The surface is being created by 4 "independent-thinking" Adaptive Points, so the deformation is going to happen. But beyond that, even the deformation happening here is a little extreme.  Looks like some Ref. Lines are not originating from where they should be originating.  That goes back to what I suspected at the onset.  I'd have to rebuild it from scratch.  Easier than fixing the mess.  Know what I mean? 

[OFHACHEM]

Yes i know its a mess, I have attached a new clear family, to simplify everything. I will ask the question in a clear and straight way. I want ref pt 1c to be on the ref line connecting AD pt 4 and ref pt 1a when you are looking at the model from left side view. (picture d2 attached) if this is solved i'm pretty sure i will figure out the rest

@barthbradley 

[ToanDN]

Try this 2019 file.  The offsets are not parametric but you can easily assign parameters to them.

[OFHACHEM]

Issue here is the same that i am facing. Please check pic E2 the offset X that i will place as a parameter, will not be the actual offset which is Y marked in the pic

@ToanDN 

[ToanDN · Accepted solution]

So you want it to be like this?