Slanted structural columns are becoming more common in large, high profile structures. These have been implemented in Revit to help engineers incorporate this functionality into their drawings and allow proper analysis calculations.
The following general rules apply to the procedures for placing slanted columns.
When placing slanted columns, the top of the column will always have a higher elevation than its base. When you place the column, the endpoint at the higher elevation is the top, and the lower elevation is the base. Once defined, the top may not be set below the base.
When placed in a 3D view, your 1st Click and 2nd Click settings define the associated levels and offset of the column. When placed in an elevation or cross section, the endpoints associate with their nearest level. The distance between the endpoint and the elevation are the offset by default.
If 3D Snapping is disabled, snap references for elements not on the current work plane display, as well as typical temporary dimensions. When you place columns with 3D snapping enabled, the 1st Click and 2nd Click level settings are used if a snap reference is not found or utilized.
When you first open a project modeled in versions earlier than Revit 2010, new parameters and column states will be applied to the existing elements. Browse the following references to determine the changes that will be made to your project and to understand the limited functionality of some features.