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Indicates the scaling method applied to the graphic.
| Constant | Value | Description | 
|---|---|---|
| esriGTScaleAuto | 0 | Scales the graphic automatically. In 3D this means scaling the graphic according to the distance from the camera; whereas in 2D it means respecting the reference scale that is set in the map. | 
| esriGTScaleFixed | 1 | Maintains constant size in pixels. |