DRAW Reference Manual
Underlays and Overlays : Using Plotfiles
Using Plotfiles
The command syntax for underlaying and overlaying a plotfile is:
BSHEE FILE /plotfile name
Sets Sheet’s BSFN attribute
OSHEE FILE /plotfile name
Sets Overlay’s OSFN attribute. Refer to Database Elements for Underlays and Overlays for further information.
To remove an underlay or overlay from a Sheet, commands can be used:
BSHEE UNSET
OSHEE UNSET
Note that BSHEE is valid at LAYE or below, whereas OSHEE is only valid at OLAYs.
An overlay is positioned on the current Sheet by changing the OPOS and OANG attributes of the Overlay element (refer to Database Elements for Underlays and Overlays for further information), which determine the position and angle respectively. For example:
OPOS @
Set overlay origin using cursor
OPOS X250 Y300
Set overlay origin explicitly (relative to the Sheet origin
OPOS ENDP OF /LINE1
Set overlay origin to a constructed position
OANG 30
Rotate the overlay 30 degrees anticlockwise about its origin
Alternatively, file specification and positioning can be combined into a single OSHEE command, for example:
OSHEE FILE /OS1 ANGLE 90 @
Define, position and orientate overlay sheet
OSHEE ANGLE 60 @
Reposition and reorientate currently defined overlay sheet
OSHEE @
Position Overlay absolutely
OSHEE BY @
Position relative to old position
These commands can also be used to position Overlay Sheet templates.
Note that you can query the size of a plotfile using the command:
Query PLOTFile name SIZE
The response is the size rectangle of the plot.
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