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 Parameters#
value - value to map within the interval [
min,max]min - lower end of interval
max - upper end of interval
Returns#
The result as integer
Note#
Values outside the interval [min, max] are clipped.
See Also#
PetscDraw, PetscDrawPointPixel(), PetscDrawPoint(), PetscDrawLine(), PetscDrawTriangle(), PetscDrawRectangle()
Level#
intermediate
Location#
Index of all Sys routines
Table of Contents for all manual pages
Index of all manual pages