Set default picture scale

GDDM V3R2 Base Application Programming Reference

Set default picture scale

GDDM V3R2 Base Application Programming Reference
SC33-0868-02

The format of the Set Default Picture Scale PSC is as follows:


Fld len	Content	Meaning
1	X'02'	Process Specific Control order code
1	X'0B'	Length of following data
1	X'02'	Common Picture Prolog
1	X'20'	Set Default Picture Scale order code
1	X'08'	Length of scaling factor data
4	x	x scaling factor (see text)
4	y	y scaling factor

Notes:

1. When the coordinate type is two-byte fixed, the first halfword encodes the integer part of the scaling factor and the second halfword encodes the fractional part.

2. The scaling factors specify the number of coordinate units per millimeter. The default scaling factor is 20 per millimeter. Zero and negative scaling factors are not valid.

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