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astBBuf - Begin a new graphical buffering context

Description:
This function starts a new graphics buffering context. A matching call to the function astEBuf should be used to end the context.
Synopsis:
void astBBuf( AstPlot $*$this )
Parameters:
this
Pointer to the Plot.
Notes:
  • The nature of the buffering is determined by the underlying graphics system (as defined by the current grf module). Each call to this function to this function simply invokes the astGBBuf function in the grf module.


next up previous 264
Next: astBegin - Begin a new AST context
Up: AST Function Descriptions
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AST A Library for Handling World Coordinate Systems in Astronomy
Starlink User Note 211
R.F. Warren-Smith & D.S. Berry
24th May 2011
E-mail:ussc@star.rl.ac.uk

Copyright (C) 2009 Science \& Technology Facilities Council