Invert - CAESAR II - Help

CAESAR II Users Guide

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CAESAR II
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CAESAR II Version
13

Piping Input menu: Global > Invert Invert Icon

Block Operations toolbar: Invert Invert Icon

Assigns new From Node and To Node values to the selected block of elements. The Invert command reverses the order of the elements in the selected group as well as the node numbering while preserving the geometry of the input model.

Contiguous segments (sets of elements) may be selected in either the Elements dialog box, the 3D Graphics pane, or the Line Numbers dialog box.

Why use the Invert command?

The Invert command can be very helpful when you have imported a new piping input model from an external source, such as a Piping Component File (PCF), and you want to re-assign node numbers. For example, for an imported run from a termination to a tee, invert it to run from the tee to the termination.

To invert a block of elements

  1. Select the block of elements (nodes) you want to invert, either from the Elements dialog box or from the 3D Graphics pane or from the Line Numbers dialog box.

    • If you select a block of elements from the Elements dialog box or from the Line Numbers dialog box, the corresponding elements are selected (highlighted) in the 3D Graphics panel.

    • If you select a block of elements in the 3D Graphics pane or from the Line Numbers dialog box, the corresponding elements are NOT selected (highlighted) in the Elements dialog box.

  2. Click the Invert Icon Invert icon on the Block Operations tool bar.

    Alternatively, right-click in the Elements dialog box to display the menu and click Block Operation > Invert.

    The delta dimensions (DX, DY, DZ) of the elements are reversed. In most cases, the node sequence (From and To nodes) remains the same, but the order and direction of the elements are reversed.

    • Notice that only the node numbers are changed in the 3D Graphics pane.

  3. Review the Elements dialog box to verify the new delta dimension assignments.

    For example:

    Invert Command

    Invert Command 2

For more information, see Performing Block Operations.