
plgcmap1_range: Get the cmap1 argument range for continuous color plots 

DESCRIPTION:

    This function is currently not used in any example. 

SYNOPSIS:

plgcmap1_range(min_color, max_color)

ARGUMENTS:

    min_color (PLFLT *, output) :    Pointer to the current minimum cmap1
    floating point argument. 

    max_color (PLFLT *, output) :    Pointer to the current maximum cmap1
    floating point argument. 
