Technical Reference Manual - InduSoft

Screens and Graphics
ROTATION ANIMATION
On the Graphics tab, in the Animations group, click Rotation to add the animation to a Line, Open Polygon, Closed
Polygon, or Bitmap object. Double-click on the object to open the Object Properties dialog.
Use this dialog to specify the following parameters:
Object Properties: Rotation animation
• Tag/Expression field: Enter a Tag name or expression to associate with the Rotation animation. The value
of Tag/Expression determines the actual rotation of the object; as the value changes, so does the amount of
rotation.
• Range area: Enter the Minimum and Maximum values allowed for Tag/Expression. Values less than the minimum
and greater than the maximum are disregarded.
• Rotation (degrees) area: Enter the Start and End positions (in degrees) of the object. The actual rotation is
proportional to the value of Tag/Expression within Range. An object can rotate up to 360 degrees, and it
rotates clockwise by default.
Tip: For example, a Rotation animation has the following settings: Minimum is 0, Maximum is 100,
Start is 0, and End is 180. If the current value of Tag/Expression is 50 (i.e., halfway between Minimum
and Maximum), then the actual rotation of the object is 90 degrees (i.e., halfway between Start
and End). A value of 25 is equal to 45 degrees, a value of 75 is equal to 135 degrees, and so on.
• Reference combo-box: Select one of the following as a pivot point on which to rotate the object:
• Left-Top: Upper-left corner of the object.
• Left-Bottom: Lower-left corner of the object.
• Center: Center of the object.
• Right-Top: Upper-right corner of the object.
• Right-Bottom: Lower-right corner of the object.
You can fine tune the pivot point by configuring the Offset settings described below.
• Advanced button: Click to open the Advanced dialog, where you can configure the following settings:
Object Properties: Rotation animation – Advanced Dialog
• Offset (pixels) area: Enter the number of pixels by which to offset the Reference (i.e., pivot point) on the X
axis and/or Y axis.
• Counter Clockwise checkbox: Click (enable) this option to make the object rotate counterclockwise instead
of clockwise.
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