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Use the Grid tool to select grid lines to place beams automatically between other structural elements such as columns, structural walls, and other beams. For example, you might have 2 structural columns located on a grid line. Beams are also added between columns and structural walls. Click Structure tab Structure panel    (Beam). Click Modify | Place Beam tab Multiple panel    (On Grids). In the image below, you can see assorted columns, a beam, and structural walls in a plan and 3D view. In this case, you can use the Grid tool to add the majority of the beams automatically. Select a grid line along which you want to place a beam. Press and hold  Ctrl  to select multiple grids. In the image shown below, grids have been selected and beams have been added automatically between all columns, walls, and beams. Click Modify | Place Beam > On Grid Lines Multiple panel    (Finish). Tip:  You can also draw a pick box to select multiple grid lines. In the image bel

To rotate the column during placement You can add columns in plan views and 3D views. The height of the column is defined by the Base Level and Top Level properties, as well as offsets. On the ribbon, click   Structural Column. Where is it? Structure tab Structure panel  Column Architecture tab Build panel Column drop-down  Structural Column On the Properties palette,select a column type from the Type Selector drop-down. On the Options Bar, specify the following: Rotate after placement . Select this option to rotate the column immediately after placing it. Level . (3D views only) Select a level for the column's base. For plan views, the view's level is the base level for the column. Depth . This setting draws the column downward from its base. To draw the column upward from its base, select Height Level/Unconnected . Select a level for the top of the column, or select Unconnected and specify the column height. Click to place the column. Columns s

When you start creating a column family, you see one of 3 views: a front elevation view of a lower reference level tag and an upper reference level tag with reference planes, a plan view with reference planes and 2 sets of equality dimensions, and a 3D view. The view in which you start creating geometry does not matter. You can define geometry in any of these views. You may want to add an overall width and depth dimension to the plan view and label it. This is useful if you are going to have a list of different-size columns. When you create a column,  Revit  automatically adds a rotation control symbol to the lower left corner of the geometry in the plan view. You notice it when you add the column to a project. You can rotate the column in the plan view by clicking Modify, selecting the column geometry, and then dragging the rotation control arrow. The following procedure is a general procedure for creating a column family. Your steps may differ based on design intent. Cli

Create a foundation slab by sketching or selecting the walls of the first level of the model. Click Structure tab Foundation panel    Slab Specify a foundation slab type from the Type Selector. Click Modify | Create Floor Boundary tab Draw panel Boundary Line and then click   (Pick Walls) to select the walls in your model. Optionally, you can sketch a foundation slab. Use the sketch tools on the Modify | Create Floor Boundary tab Draw panel to form the boundary of the foundation slab. The sketch must form a closed loop or boundary condition. On the Options Bar, click Extend into wall if you want the offset to be measured from the wall's core. On the Options Bar, specify an offset for slab edges in the Offset text box. Click Modify | Create Floor Boundary tab Mode panel    Finish. Note:  Foundation slabs are added below the level in which they are drawn. Therefore, if you add a foundation slab in Level 1, it is added below Level 1 and will not be visible in the Level 1

Place a Wall Foundation to support a retaining or bearing structural wall. Click Structure tab Foundation panel   Wall. Select either a Retaining Footing or a Bearing Footing type from the Type Selector. Select a wall to receive the wall foundation. The wall foundation is placed beneath the selected walls. Source by : https://knowledge.autodesk.com/support/revit-products/learn-explore/caas/CloudHelp/cloudhelp/2015/ENU/Revit-Model/files/GUID-C88E34FE-1303-47BA-8E6F-DCBB9F65B700-htm.html

When you export your Revit model to Navisworks and open up the file and append the exported Revit link models, you notice that the objects are not lined up properly almost like the different Revit files have different coordinates. when you review your project inside Revit you notice that it seem perfectly lined up. You will need to change your export to Navisworks settings. To do this open your project in Revit: Here is a list of the export utility   http://www.autodesk.com/products/navisworks/autodesk-navisworks-nwc-export-utility Verify in your project that your Revit links were all brought in using origin to origin. Go to the Add-ins tab on the ribbon Go to the External Tools drop down menu and click on Navisworks to start the export command.  In the Export Scene as... dialog box, click on the Navisworks Settings...button to open the Navisworks Options Editor - Revit 5. In the Navisworks Options Editor - Revit dialog box expand File  Readers> and click on

Step 1: Creating Viewpoints for animation.  Under the Viewpoint tab on the main toolbar, you can create various viewpoints for your fly-through, focussing on different parts of the building at different times in the simulation. Set up your view, and then click on the ‘Save Viewpoint button’. The Saved Viewpoints bar will open up on the right showing you the different viewpoints you have saved. After you have a few viewpoints saved, you can create the animation. Step 2: Creating Animation and linking to Simulation Go to the Animator tab, and set up your first view. Click the ‘Record’ Button, and click on your different views in the order you wish them to appear. After you finish, click the stop button. Your animation is now saved on the right. Click on it and delete the Cut buttons that appear in the drop- down under it. This will ensure a smooth transition between views. Now we link the simulation to the newly created animation. Under the simulate tab, click th