| DATA Step Graphics Interface Dictionary |
Finds coordinates of the viewport associated with a transformation
number
| Operating States: |
GKOP, SGOP, WSAC, WSOP
|
| Return Codes: |
0, 8, 50
|
CALL GASK('VIEWPORT', n, llx, lly,
urx,
ury, return-code-variable);
The GASK('VIEWPORT', . . . ) routine returns
the coordinates of the viewport associated with the specified transformation.
If a viewport has not been defined with the GSET('VIEWPORT', . . . ) function
for the specified transformation, n, GASK('VIEWPORT',
. . . ) returns the default coordinates for the viewport, (0,0) and (1,1).
|
n |
numeric constant or numeric variable
name; indicates the transformation number assigned to the viewport 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. |
|
llx |
numeric variable name; returns the x coordinate of the lower-left
corner. |
|
lly |
numeric variable name; returns the y coordinate of the lower-left
corner. |
|
urx |
numeric variable name; returns the x coordinate of the upper-right
corner. |
|
ury |
numeric variable name; returns the y coordinate of the upper-right
corner. |
|
return-code-variable |
numeric variable name; returns the
return code of the routine call. |
Copyright © 2010 by SAS Institute Inc., Cary, NC, USA. All rights reserved.
