TIFF Tag Reference
TIFF Tag Reference
TIFF Tag Search
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TIFF Tag GlobalParametersIFD
| IFD | | Image |
|---|---|---|
| Code | 400 (hex 0x0190) | |
| Name | GlobalParametersIFD | |
| Type | LONG or IFD | |
| Count | 1 | |
| Default | None |
Description
Used in the TIFF-FX standard to point to an IFD containing tags that are globally applicable to the complete TIFF file.
It is recommended that a TIFF writer place this field in the first IFD, where a TIFF reader would find it quickly.
Each field in the GlobalParametersIFD is a TIFF field that is legal in any IFD. Required baseline fields should not be located in the GlobalParametersIFD, but should be in each image IFD. If a conflict exists between fields in the GlobalParametersIFD and in the image IFDs, then the data in the image IFD shall prevail.
Related tags
ProfileType
FaxProfile
CodingMethods
VersionYear
ModeNumber
See also
RFC 2301 - File Format for Internet Fax