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    True North Question

    I would like to get some feedback on how to handle this True North scenario.
    I have attached an image to illustrate. The image is set to True North and the wall represents my building as it relates to true north. Setting my view back to Project North will make my elevation markers orthogonal again but my wall will be at an odd angle. I would prefer to model on the orthogonal, but what do I do with the elevation markers. I cannot rotate them back, so do I just create new elevation markers? Normally, I can get away with using up as North; however, this building has a more drastic relationship to True North than I am used to.
    image.jpg
    Jason Coe, Architect
    Beardsley Architects + Engineers
    Auburn, New York
    http://revitecture.blogspot.com

    #2
    In our office, the only the view that is set to true north is a special view called "Site - True North". This view is only used for the purposes of setting up the true north angle. All other views are set to project north all the time. You defiantly do not want to create new elevation views.

    Based on your image, it looks to me like you want project north to be on the right, instead of at the top. So before you rotate true north, use the rotate project north command and use the setting to rotate 90 degrees clockwise. This will rotate all of your elevations and plan views automatically, so that north is now on the right. Try to do this before you annotate though, this should be done at the very beginning of the project. In the true north view, the elevations will be a some angle, but true north will always be up. You can test this by drawing a propery line segment and tagging it. It will always read N 0°0'00" E (dist.), no matter how you rotate true north.

    As long as you don't rotate project north to a non-orthogonal angle, and you don't change all of your view orientation settings to true north, you should always be able to draw/model orthogonally.
    Last edited by Jj Mac; May 31, 2012, 05:08 PM.

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      #3
      Thanks for the feedback Jj. For as long as I have been using Revit, this is one area I have always struggled with. This worked great and does not appear as it will confuse other users on the team.
      Jason Coe, Architect
      Beardsley Architects + Engineers
      Auburn, New York
      http://revitecture.blogspot.com

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        #4
        Glad it worked!

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          #5
          If I have started modeling such that what I want to be my east elevation is showing up in my north elevation view, does simply rotating true north 90 degrees counter clockwise now accomplish that? The sun path shows oriented appropriately.

          Comment


            #6
            Originally posted by Aqueenan View Post
            If I have started modeling such that what I want to be my east elevation is showing up in my north elevation view, does simply rotating true north 90 degrees counter clockwise now accomplish that? The sun path shows oriented appropriately.
            No it does not. Rotating true north essentially rotates "space" in relation to your model. Your model is not being rotated when you rotate true north.

            You need to rotate project north. Rotating project north will rotate your entire model, including VIEWS (but not sheets/drafting views etc...) You will notice that Autodesk has provided preset rotation angles. 90 deg clockwise/counter clockwise, 180 deg. etc... So if you need the east elevation at the top, you need to rotate 90 deg counter clock wise. Then you will have your east elevation at the top, and project north should now be considered "left".

            If you have annotations in your views you will need to go back and clean up. This command should really only be used at the start of a project IMHO, as it will require a boatload of cleanup if you do it later on.

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              #7
              Originally posted by Aqueenan
              If I have started modeling such that what I want to be my east elevation is showing up in my north elevation view, does simply rotating true north 90 degrees counter clockwise now accomplish that? The sun path shows oriented appropriately.
              If a floor plan is assigned to Project North and the top elevation is named North, you can just change the names of your elevations to better names. North can become East and so on. That just means you've adjusted your notion of what Project North really is, toward the left side of the view now. If you want a site plan to show True North then yes, you can use Rotate True North to "fix" the orientation of the site plan view and "tell" Revit which direction is really North.

              If you want Project North AND True North to both be at the top of the view or "up" then you'd do as the other reply suggested, use Rotate Project North (RPN). RPN is actually rotating the entire model and adjusting views to reorient everything based on new data. Rotate True North is not altering the actual model, it is providing a second frame of reference that any plan oriented view can choose to display as necessary.

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