petsc-3.14.6 2021-03-30

PetscDrawRealToColor

Maps a real value within an interval to a color. The color is an integer value in the range [PETSC_DRAW_BASIC_COLORS to 255] that can be passed to various drawing routines.

Synopsis

#include <petscdraw.h>
int PetscDrawRealToColor(PetscReal value,PetscReal min,PetscReal max)

Not Collective

Input Parameter

	value	- value to map within the interval [min,max]
	min	- lower end of interval
	max	- upper end of interval

Notes

Values outside the interval [min,max] are clipped.

Level

intermediate

Location