Common Functionality
Editor : Graphical Component Modification (GCM) : Rotation Handle
Rotation Handle
You can rotate the selection using the Rotation Handle about the centreline of the pipe the handle is positioned on. Rotation Handle manipulation options are available from Rotation Handle popup menu, see section Popup Menus on the Component Modification Handle.
By default, dragging the handle rotates the handle and selection by the currently defined angular increments.
Feature Highlighting
Where feature highlighting is active, the derived direction is the same as when using the Point option (see below) to change the pointer to identify features.
Where no feature is identified, the rotation reverts to using the standard rotation using the currently defined angular increments.
Align with Direction
The rotation handle can be positioned so that it is aligned with an identified linear feature by using a popup menu option ‑ see section Popup Menus on the Component Modification Handle.
It is possible to toggle between the initial derived direction of the identified feature and its opposite derived direction. It is not possible T to select a direction which is parallel to the leg of the pipe the handle is in.
Orient to Point
It is possible to orientate the Rotation Handle with an identified feature, using the Orient to Point popup menu option, see section Popup Menus on the Component Modification Handle.
Explicit Direction
You can set the direction of the rotation handle explicitly. As the handle is constrained in its rotation about the centreline of the pipe, the given direction may not be possible, therefore the system tries to resolve the direction so that it is as close to the given direction as possible.
This option is via an option on the menu available on the handle, see section Popup Menus on the Component Modification Handle.
A window is displayed which allows you to specify the explicit direction with respect to the current frame of reference (the World). It is not possible to specify a direction which is parallel to the leg of the Pipe the handle is in.
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