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980 DP 1.4 Video Generator / Analyzer - User Guide
16.85 Hatch_6, Hatch_10i, Hatch_10o, Hatch_12i, Hatch_12o, Hatch_24i,
Hatch_24o, Hatch_24s, Hatch_G, Hatch_M, GRN_HTCH, and MAGENTA
16.85.1Description
The primary versions consist of a white, green (G and GRN), or magenta (M) crosshatch drawn on a black
background. The lines form square boxes. A single pixel dot is located in the center of each crosshatch box. The
number of boxes formed depends on the version of the image selected and the screen aspect ratio of the currently
loaded format. The number in the image's name refers to the number of boxes that are formed along the minor axis
for most aspect ratios. The generator calculates the ratio and then finds the closest match from the table on the
next page. Version names indicate the drawing method, as follows:
•
Versions ending in "i" draw from the inside (center) out. Any partial boxes are placed around the perimeter
of the image.
•
Versions ending in "o" draw from the outside in. Any partial boxes are placed along the centerlines of the
image.
•
Versions ending in "s" are the "i" version plus a 1-pixel thick border.
The secondary versions invert the images to black lines and dots on a white background. Hatch_G, Hatch_M,
GRN_HTCH and Magenta do not have secondary versions.
The primary version of the Hatch_10i image is shown below.
Aspect Ratio
Dot_10
Decimal
Boxes
W : H
Vertically
16 : 9
1.777 É
10
5 : 3
1.666 É
10
4 : 3
1.333 É
10
1 : 1
1.000
10
Page 395
Dot_12
Boxes
Boxes
Horizon-
Vertically
tally
16
10
16
10
14
12
10
12
Dot_24
Boxes
Boxes
Horizon-
Vertically
tally
16
18
16
18
16
24
12
24
Boxes
Horizon-
tally
32
30
32
24
June 16, 2017
Rev. A1
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