ATTR_YSCALING
| Type: | Control attribute | 
| Description: | The factor used to scale user-supplied vertical coordinates and heights into pixel-based coordinates and heights. | 
| Control Types: | Canvases. | 
| Data Type: | double | 
| Default Value: | 1.0 | 
| LabWindows/CVI Compatibility: | LabWindows/CVI 4.0 and later | 
