HP d640 HP D640 High-Volume Printer - Enhanced Features Manual, C5620-90027 - Page 41

Baseline TIFF definitions

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Baseline TIFF definitions FreeByteCounts For each string of contiguous unused bytes in a TIFF file, the 0121,Long,1 number of bytes in the string. The presence of unused bytes is not recommended. FreeOffsets For each string of contiguous unused bytes in a TIFF file, the byte 0120,Long,1 offset of the string. GrayResponseCurve For grayscale data, the optical density of each possible pixel 0123,Short,2^bps value. GrayResponseUnit The precision of the information contained in the 0122,Short,1 GrayResponseCurve. HostComputer The computer and/or operating system used to create the image. 013C,ASCII ImageDescription A string that describes the subject of the image. 010E,ASCII ** ImageLength The number of rows of pixels in the image. 0101,Short/Long,1 ** ImageWidth The number of columns in the image (pixels per row). 0100,Short/Long,1 Make The scanner manufacturer. 010F,ASCII MaxSampleValue The maximum component value used. 0119,Short,Sampl/Pix MinSampleValue The minimum component value used. 0118,Short,Sampl/Pix Model The scanner model name and number. 0110,ASCII * NewSubfileType A general indication of the kind of data contained in this sub-file. 00FE,Long,1 Chapter 3: Technical Reference 37

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Chapter 3: Technical Reference
37
FreeByteCounts
0121,Long,1
For each string of contiguous unused bytes in a TIFF file, the
number of bytes in the string.
The presence of unused bytes is not recommended.
FreeOffsets
0120,Long,1
For each string of contiguous unused bytes in a TIFF file, the byte
offset of the string.
GrayResponseCurve
0123,Short,2^bps
For grayscale data, the optical density of each possible pixel
value.
GrayResponseUnit
0122,Short,1
The precision of the information contained in the
GrayResponseCurve.
HostComputer
013C,ASCII
The computer and/or operating system used to create the image.
ImageDescription
010E,ASCII
A string that describes the subject of the image.
** ImageLength
0101,Short/Long,1
The number of rows of pixels in the image.
** ImageWidth
0100,Short/Long,1
The number of columns in the image (pixels per row).
Make
010F,ASCII
The scanner manufacturer.
MaxSampleValue
0119,Short,Sampl/Pix
The maximum component value used.
MinSampleValue
0118,Short,Sampl/Pix
The minimum component value used.
Model
0110,ASCII
The scanner model name and number.
* NewSubfileType
00FE,Long,1
A general indication of the kind of data contained in this sub-file.
Baseline TIFF definitions