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astGrid
-
Draw a set of labelled coordinate axes
- Description:
- This function draws a complete annotated set of
coordinate axes for a Plot with (optionally) a coordinate grid
superimposed. Details of the axes and grid can be controlled by
setting values for the various attributes defined by the Plot
class (q.v.).
- Synopsis:
- void astGrid( AstPlot
this )
- Parameters:
-
this
-
Pointer to the Plot.
- Notes:
- If the supplied Plot is a Plot3D, the axes will be annotated
using three 2-dimensional Plots, one for each 2D plane in the 3D
current coordinate system. The plots will be "pasted" onto 3 faces
of the cuboid graphics volume specified when the Plot3D was
constructed. The faces to be used can be controlled by the "RootCorner"
attribute.
- An error results if either the current Frame or the base Frame
of the Plot is not 2-dimensional or (for a Plot3D) 3-dimensional.
- An error also results if the transformation between the base
and current Frames of the Plot is not defined in either
direction (i.e. the Plot's TranForward or TranInverse attribute
is zero).
Next: astGridLine - Draw a grid line (or axis) for a Plot
Up: AST Function Descriptions
Previous: astGrfSet - Register a graphics function for use by a Plot
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