1# ArkUI_ScaleOptions 2 3 4## Overview 5 6Defines the scaling options for component transition. 7 8**Since**: 12 9 10**Related module**: [ArkUI_NativeModule](_ark_u_i___native_module.md) 11 12 13## Summary 14 15 16### Member Variables 17 18| Name| Description| 19| -------- | -------- | 20| float [x](#x) | Scale ratio along the x-axis. | 21| float [y](#y) | Scale ratio along the y-axis. | 22| float [z](#z) | Scale factor along the z-axis (not effective for the current 2D graphics). | 23| float [centerX](#centerx) | X coordinate of the center point. | 24| float [centerY](#centery) | Y coordinate of the center point. | 25 26 27## Member Variable Description 28 29 30### centerX 31 32``` 33float ArkUI_ScaleOptions::centerX 34``` 35**Description** 36 37X coordinate of the center point. 38 39 40### centerY 41 42``` 43float ArkUI_ScaleOptions::centerY 44``` 45**Description** 46 47Y coordinate of the center point. 48 49 50### x 51 52``` 53float ArkUI_ScaleOptions::x 54``` 55**Description** 56 57Scale ratio along the x-axis. 58 59 60### y 61 62``` 63float ArkUI_ScaleOptions::y 64``` 65**Description** 66 67Scale ratio along the y-axis. 68 69 70### z 71 72``` 73float ArkUI_ScaleOptions::z 74``` 75**Description** 76 77Scale factor along the z-axis (not effective for the current 2D graphics). 78