WCI1_ROTA

Rotate or derotate a position given a position angle

Invocation

CALL WCI1_ROTA( IPOS, PIXID, FORW, OPOS, STATUS )

Description

The position IPOS is rotated about the origin by an amount determined by the ROTATION data member of PIXID. The sense of the rotation is positive if FORW is true, otherwise the sense is negative.

Arguments

• IPOS[2] = DOUBLE (given)
  Input position
• PIXID = INTEGER (given)
  ADI identifier of object containing rotation angle
• FORW = LOGICAL (given)
  Rotate if specified true, otherwise derotate
• OPOS[2] = DOUBLE (returned)
  The output position
• STATUS = INTEGER (given and returned)
  The global status.

References

• WCI Subroutine Guide