DATA Step Graphics Interface Dictionary

TRANS

Finds the viewport and window coordinates associated with a transformation number

Operating States:	GKOP, SGOP, WSAC, WSOP
Return Codes:	0, 8, 50

Syntax
Description
Argument Definitions
See Also

Syntax

CALL GASK ('TRANS', n, vllx, vlly, vurx, vury, wllx, wlly, wurx, wury, return-code-variable);

Description

The GASK('TRANS', . . . ) routine returns the viewport and window coordinates associated with a particular transformation number. GASK('TRANS', . . . ) returns the default coordinates for viewports and windows if other coordinates have not been defined for the transformation specified.

Argument Definitions

n	numeric constant or numeric variable name; indicates the number of the transformation to check. Valid values are 0 to 20, inclusive. If n is expressed as a variable, the variable must be initialized to a value between 0 and 20.
vllx	numeric variable name; returns the x coordinate of the lower-left viewport corner.
vlly	numeric variable name; returns the y coordinate of the lower-left viewport corner.
vurx	numeric variable name; returns the x coordinate of the upper-right viewport corner.
vury	numeric variable name; returns the y coordinate of the upper-right viewport corner.
wllx	numeric variable name; returns the x coordinate of the lower-left window corner.
wlly	numeric variable name; returns the y coordinate of the lower-left window corner.
wurx	numeric variable name; returns the x coordinate of the upper-right window corner.
wury	numeric variable name; returns the y coordinate of the upper-right window corner.
return-code-variable	numeric variable name; returns the return code of the routine call.

	TRANSNO
	VIEWPORT
	WINDOW
	TRANSNO
	VIEWPORT
	WINDOW