Module #01 : Opening and closing PHIGS

All PVT documentation can be found under PHIGS Validation Tests - Overview. You may also return to the hierarchical table of topics covered by the PVT. For an explanation of the format of the individual module documentation, please see section 2.5 of the User's Guide.


DESCRIPTION: This module tests the effect of opening and closing
PHIGS on the system state.  Other effects of opening PHIGS,
(initialization of PHIGS Description Table and PHIGS State List)
are tested in the modules which cover the affected data items.

SEMANTIC REQUIREMENTS:


SR1.   <Open PHIGS> sets the system state to open.
#F 1
#D 1.1
#S 4.10/107/2
#T P01/2 P01/4 
SR2.   <Close PHIGS> sets the system state to closed.
#F 2
#D 1.1
#S 4.10/107/2
#T P01/3 
SR3.   <Inquire system state value> returns the system state of PHIGS.
#F 200
#D 1.1
#S
#T P01/1 P01/2 P01/3 P01/4 
LOCAL DICTIONARY:

  Functions ---
  001: popph   <open phigs>
  002: pclph   <close phigs>
  200: pqsys   <inquire system state value>
 
  Data Structures ---
  1  ...  operating_state
  1.1  ...  system_state
 
SEMANTIC CROSS-REFERENCES:
  04.01.03/SR07





PROGRAM 1:
Testing the system state value

You may inspect either the
design or
code for this program.

End of documentation for 01