application selects by label a graphics-database
picture of a specified device. If
such a picture is found then it becomes the current picture on exit, otherwise the
input picture remains current. Labels in the database are stored in the case
supplied when they were created. However, the comparisons of the label you supply
with the labels in the database are made in uppercase, and leading spaces are
Should the label not be found the current picture is unchanged.
DEVICE = DEVICE (Read)
The graphics device.
LABEL = LITERAL (Read)
The label of the picture to be selected.
picsel GALAXY This makes the picture labelled
"GALAXY" the current
picture on the current graphics device. Should there be no picture of this name, the
current picture is unchanged.
picsel A3 xwindows This makes the picture labelled
"A3" the current picture on the xwindows device. Should there be no picture of this
name, the current picture is unchanged.