petsc-3.9.4 2018-09-11
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