Texas Instruments TI-89 - Graxes

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Appendix A: System Routines — Graphing
TI
-
89 / TI
-
92 Plus Developer Guide
Not for Distribution
Beta Version January 26, 2001
GrAxes
Declaration:
void
GrAxes
(SWORD
panpixels
, GR_WIN_VARS *
grPtr
)
Category(ies):
Graphing
Description:
Draw axes for the graph on the screen, based on the current viewing
window variables and format settings.
Inputs:
panpixels
— Number of pixels screen was shifted for panning:
< 0 — Number of pixels panned using the left arrow.
0 — Draw entire screen.
> 0 — Number of pixels panned using the right arrow.
grPtr
— Pointer to graph window structure (
gr_active
normally).
Outputs:
None
Assumptions:
Graph is active and not in 3D mode
Side Effects:
None
Availability:
All versions of the TI-89 / TI-92 Plus.
TI-89 / TI-92 Plus
Differences:
None
See Also: GraphActivate
Example:
if (gr_active->graph_mode != GR_3D) /* no axes or stat in 3d */
GrAxes( 0, gr_active ); /* draw axes on screen */