NAME
miget_volume_range - get the global range scale for volume
SYNOPSIS
#include <minc2.h>
int miget_volume_range ( mihandle_t volume,
double *volume_max,
double *volume_min)
DESCRIPTION
This method gets the range (min and max) scale value for the volume. Note that this
method only works if volume is not slice scaled.
RETURN VALUE
miget_volume_range returns MI_NOERROR if it successfully gets the
global range scale for the volume or MI_ERROR otherwise.