TIFF Tag ResolutionUnit
| IFD | Image |
|---|---|
| Code | 296 (hex 0x0128) |
| Name | ResolutionUnit |
| LibTiff name | TIFFTAG_RESOLUTIONUNIT |
| Type | SHORT |
| Count | 1 |
| Default | 2 (Inch) |
Description
The unit of measurement for XResolution and YResolution.
To be used with XResolution and YResolution.
The specification defines these values:
1 = No absolute unit of measurement. Used for images that may have a non-square aspect ratio, but no meaningful absolute dimensions.
2 = Inch.
3 = Centimeter.
LibTiff defines these values:
RESUNIT_NONE = 1;
RESUNIT_INCH = 2;
RESUNIT_CENTIMETER = 3;