SE_Spacing

The SEDRIS Data Representation Model APPENDIX C - Types SE_Spacing_Type

/*
 * ENUM: SE_Spacing_Type
 *
 *   This data type indicates, for a given <Regular Axis> instance, how
 *   the spacing value is used to compute tick marks.
 */

typedef	enum
{
	SE_SPACING_TYP_ARITHMETIC,	(notes)
	SE_SPACING_TYP_GEOMETRIC	(notes)

} SE_Spacing_Type;

Enumerant Notes

SE_SPACING_TYP_ARITHMETIC

 Tick marks form an arithmetic progression.

 To compute nth tick value, add spacing to previous tick,
 such that

 Tick(n) =  first_value + (n * spacing)

SE_SPACING_TYP_GEOMETRIC

 Tick marks form a geometric progression.

 To compute nth tick value, multiply spacing with previous
 tick, such that

 Tick(n)  = first_value * (spacing^n)

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Last updated: July 16, 2004