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(a) For binary data
1 pixel: 1 bit
8 pixels: 1 byte
Byte nByte 0
Raster line 1 Raster line jRaster line 2
m = i (j > 1)
For
mirror
image
Byte 0
7
Pixel 1
6
Pixel 2
5
Pixel 3
4
Pixel 4
3
Pixel 5
2
Pixel 6
1
Pixel 7
0
Pixel 8
Byte n
Pixel
ij>7
Pixel
ij>6
Pixel
ij>5
Pixel
ij>4
Pixel
ij>3
Pixel
ij>2
Pixel
ij>1
Pixel
ij
Byte n
Pixel
m+8
Pixel
m+7
Pixel
m+6
Pixel
m+3
Pixel
m+2
Pixel
m+1
Byte 0
7
Pixel i
6
Pixel
i>1
5
Pixel
i>2
4
Pixel
i>3
3
Pixel
i>4
2
Pixel
i>5
1
Pixel
i>6
0
Pixel
i>7
Pixel
m+4
Pixel
m+5
If the data amount per raster line is not a multiple of 8 bits, the window is
raised to a multiple of 8 bits.
b. Pixel size data: (DATA TYPE CODE = X©80π)
This scanner calculates the numbers of X>direction pixels and Y>direction
pixels of the image data to be transferred to the initiator. The scanner performs
this calculation by referencing the resolution and area set up with the SET
WINDOW command. This data need not be issued if the numbers of pixels are
known by the initiator.
The transfer format for this data is shown in the following illustration.
4 $ 76