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If the Scaling Mode is a Paper Size
1) Obtain the coordinate area to be active from the HP-GL data entered, in accordance with
the area determination mode.
2) As a margin, add the larger value of either the font size specified in the page, the default
size or one half the specified pen width, to the active coordinates area obtained in step 1.
3) Subtract the value set in paper margins from the active coordinates area obtained in
step 2.
4) The minimum size that includes the active coordinates area obtained in step 3 will be the
document size.
If the Scaling Mode is the ACA
1) Obtain the coordinate area to be active from the HP-GL data entered, in accord with the
area determination mode.
2) As a margin, add the larger value of either the font size specified in the page, the default
size or one half the specified pen width, to the active coordinates area obtained in step 1.
3) Subtract the value set in paper margins from the active coordinates area obtained in
step 2.
4) The ACA obtained in the process up to step 3 will be the document size.
For Example:
If the following data is entered when the scaling mode is paper size, origin position is Auto,
paper margin is 10 mm, and area determination mode is IP:
All pen width settings are 0.1 mm.
The following data does not contain a character size specification command and the A3
physical size of the area specified by IP/IW.
IN;
IP-8399,-5938, 8399, 5938;
IW-8399,-5938, 8399, 5938;
PU;
SP1;
:
:
SP0;
1) As the area determination mode is IP, the active coordinates area is specified as the area
-8399,-5938,8399,5938 by an IP command.
2) Because there are no font size specification commands and all pen widths are 0.1 mm in
the above example, add the height/2 of the default font size for A3 size paper (75 plotter
units) to the active coordinates area obtained in step 1.
The active coordinates area obtained in step 2 is -8474,-6013,8474,6013.
3) The value set in paper margins (10 mm = 400 plotter units) is subtracted from the active
coordinates area obtained in step 2.
The active coordinates area obtained in step 3 is -8074,-5613,8074,5613.
4) As the active coordinates area obtained in step 3 exceeds the A4 size and is A3 size, the
document size is determined to be A3.
In addition, when the paper margin setting is 0 mm and the active coordinates area is -
8474,-6013,8474,6013, and this exceeds A3, but is A2 or smaller, the document size is
determined to be A2.
Emulation
495
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