PQDSTR(3g) — Subroutines

Name

PQDSTR − Returns dynamic modification accepted flags for various structure changes in the picture.

Operating States: PHOP, ∗, ∗, ∗
PHIGS standard function

Old Syntax

PQDSTR (WTYPE, ERRIND, STRCON, STRPRI, POST, UNPOST, DELETE, REFMOD)

Argument          Data Type      Access     Description
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WTYPE             Integer        Read       Workstation type
ERRIND            Integer        Write      Error indicator
STRCON            Integer        Write      Structure content
STRPRI            Integer        Write      Structure priority
POST              Integer        Write      Posting a structure
UNPOST            Integer        Write      Unposting a structure
DELETE            Integer        Write      Deleting a structure
REFMOD            Integer        Write      Reference modification
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New Syntax

PQDSTR (WTYPE, ERRIND, STRCON, POST, UNPOST, DELETE, REFMOD)

Argument          Data Type      Access     Description
---------------------------------------------------------------------------
WTYPE             Integer        Read       Workstation type
ERRIND            Integer        Write      Error indicator
STRCON            Integer        Write      Structure content
POST              Integer        Write      Posting a structure
UNPOST            Integer        Write      Unposting a structure
DELETE            Integer        Write      Deleting a structure
REFMOD            Integer        Write      Reference modification
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Constants

Defined Argument   Constant    Description
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STRCON,            PIRG        Implicit regeneration
POST,              PIMM        Immediate
UNPOST,            PCBS        Can be simulated
DELETE,
REFMOD
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Description

PQDSTR queries the workstation description table and returns a dynamic modification accepted flag for each of the following types of picture changes:

•Structure content modification

•Posting a structure

•Unposting a structure

•Deleting a structure

These flags indicate to what extent the specified workstation supports a type of picture change.

The flags can have the following values:

Value     Description
----------------------------------------------------------------------------
IMM       Digital PHIGS can perform all picture changes of this type
          immediately.
IRG       Digital PHIGS can execute some picture changes of this type
          only by performing an implicit regeneration. In some cases,
          Digital PHIGS can execute some changes immediately. For example,
          when no structures are posted, Digital PHIGS can usually execute
          most changes without an implicit regeneration.
CBS       Digital PHIGS can execute some picture changes of this type only
          by performing an implicit regeneration. For these changes,
          Digital PHIGS provides a quick update method so it can simulate
          the picture change to achieve an indication of the effect
          without regeneration. A completely correct effect still
          requires an implicit regeneration.
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