Creo Interactive Surface Design (Style) > Curves > Creating Curves > Circles > About the Circle User Interface in Style
  
About the Circle User Interface in Style
The Circle tab consists of commands, tabs, and shortcut menus. On the Style tab, click the arrow under Curve, and then click Circle to open the Circle tab.
Commands
—Creates a free curve.
—Creates a planar curve.
—Sets the radius of the circle.
Tabs
References
Plane collector—Displays a planar or surface reference for the circle.
Offset—Sets a distance between a planar circle and its reference plane. This parameter becomes external to the Style feature.
Type—Sets the type of radial plane.
Value—Defines a radial plane value. This parameter becomes external to the Style feature.
Options
Proportional Update check box—Moves the circle free points in proportion to the soft points to maintain the circle shape.
Shortcut Menus
Right-click the graphics window when the Circle tab is open to access shortcut menu commands:
Plane Collector—Activates the Plane collector when the curve type is selected.
Reference Collector—Activates the Reference collector when the curve type is selected.
Deactivate Collector—Deactivates the currently selected collector.
Clear—Clears the currently selected collector.
Free—Changes the curve type to free.
Planar—Changes the curve type to planar.
Standard Orientation—Displays the model in standard orientation.
Active Plane Orientation—Displays the model with the active datum plane parallel to the screen.
Set Active Plane—Sets the current datum plane as the active plane for geometry creation.
Show All Views—Displays all four views for the model.
Isolate—Hides the display of all the Style entities except the selected entities.
Show All—Displays all the previously hidden features or Style entities.