petsc-3.7.7 2017-09-25
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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.

See Also

PetscDrawPointPixel(), PetscDrawPoint(), PetscDrawLine(), PetscDrawTriangle(), PetscDrawRectangle()

Level:intermediate
Location:src/sys/classes/draw/../../../../include/petscdraw.h
Index of all Draw routines
Table of Contents for all manual pages
Index of all manual pages