Texas Instruments TI89 Developer Guide - Page 636
In Sequence mode, you cannot use styles FA_ANIMATE, FA_PATH, cFunc, style, bSelect, bError
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594 Appendix A: System Routines - Graphing EQU_setStyle Declaration: void EQU_setStyle (GR_WIN_VARS * g, SSHORT cFunc, USHORT style, BOOL bSelect, BOOL bError) Category(ies): Graphing Description: Set style of graph function. Inputs: g - Pointer to graph data segment, either gr_active or gr_other. cFunc - Function number (1 . . . 99). style - A value indicating which style to set (FA_LINE, FA_DOT, FA_THICK, FA_ANIMATE, FA_PATH, FA_ABOVE, FA_BELOW, FA_SQUARE). bSelect - TRUE means select function for graphing, otherwise leave function graphing selection as is. bError - TRUE means throw an error if function does not exist. Outputs: None Assumptions: EQU_setStyle does not check for unsuitable graph mode/style combinations. It is your responsibility to make sure you do not set an invalid graph style for the current graph mode. Here are graph mode/style combinations you should avoid. • In Parametric, Polar, and Diff Equation modes, you cannot use styles FA_ABOVE and FA_BELOW. • In Sequence mode, you cannot use styles FA_ANIMATE, FA_PATH, FA_ABOVE, and FA_BELOW. • 3D graph mode accepts no style settings. Side Effects: None Availability: All versions of the TI-89 / TI-92 Plus. TI-89 / TI-92 Plus Differences: None See Also: EQU_select Example: /* Set style of function 1 (this is y1 in function graph mode) to shade above and select it to graph. Do not throw an error if y1 does not exist. */ EQU_setStyle(gr_active, 1, FA_ABOVE, TRUE, FALSE); TI-89 / TI-92 Plus Developer Guide Not for Distribution Beta Version January 26, 2001
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