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The graPHIGS Programming Interface: ISO PHIGS Subroutine Reference

OPEN STRUCTURE (PHOP,*,STCL,*)

Purpose

Use Open Structure to open a structure. The structure state is set to Structure Open (STOP).

When the application opens a structure, the graPHIGS API sets the element pointer to the last element of the currently specified structure. If the specified structure does not exist, then the graPHIGS API creates an empty structure and sets the element pointer to zero.

The graPHIGS API sets no limit on the number of simultaneously definable structures.

Language Bindings

C

popen_struct (struct_id)

Input Parameters

Pint struct_id
Structure identifier.

FORTRAN

POPST (strid)

Input Parameters

integer strid
Structure identifier.

Errors

6
Function Requires State (PHOP,*,STCL,*)

Related Subroutines

  • Close Structure

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