Centering wall on center of circle

[Anonymous]

Hello:

I am a brand new Revit user, who is transitioning from Vectorworks Architecture. 

I have drawn a circular wall, and am attempting to create a square room that intersects this circular wall. I am able to do this, but unable to center the wall properly. I want the 18 foot wall to be 16' 10" away from the inside of the circle, tangential to the circle, and be centered on the center point of the wall. 

In vectorworks, when I created a wall, I could snap to the center of a circle like this and keep the wall end or center point aligned. I have not been able to figure out how to do this in Revit.

I have attached a file with the geometry in question.

I apologize if my google foo was not strong enough to find the answer to this question.

Thank you.

Stephen Walker-Weinshenker

Revit 2018 Educational 

[barthbradley]

I'm having trouble visualizing what you're trying to do, and I cannot open your file right now - but it sounds like you want to snap to something specific. Revit has keyboard shortcuts for all it's snaps. For instance, if you want to start your wall from the center point of a circular wall, start your wall command, hover mouse over the circular wall and press "SC" on the keyboard and left-click. The start point for the new wall will snap to center point of the existing circular wall.  

Object Snap Keyboard Shortcuts are shown under Snaps on the Manage Tab. 

[Stanis-74 · Accepted solution]

architecture > work plane > reference plane

u can use them as basis of the walls 

i not qite understand what picture do you need but i make several RP in your file. 

dont forget use TAB and Align comand

[constantin.stroescu · Accepted solution]

I think you can do it using Reference Planes, Snap, and control of dimensions using Global Parameters, something like in my screencast...

[ToanDN]

@Anonymous

I am sure you are already taken care of.  One thing in case it wasn't covered: you can select any circle or arc and turn on its center point from the properties.  That point can be used for reference for dimensioning.

[Anonymous]

@constantin.stroescu Thank you very much for the screencast. It seems like the reference planes are the best solution here.

Thank you everyone who responded so quickly.

Stephen Walker-Weinshenker