void rmvJ3SliceContour (RMvertex3D (*appgridfunc)(int i, int j),
		         float (*appdatafunc)(int i, int j),
			 int axis_offset_enum,
			 int iusize,
			 int ivsize,
			 int nlevels,
			 float *levels,
			 RMcolor4D *color_list,
			 RMenum linewidth_enum,
			 RMenum linestyle_enum,
			 RMnode *node)

 RMvertex3D (*appgridfunc)(int i, int j) - a handle to a
    caller-supplied function that returns an RMvertex3D (x, y, z)
    corresponding to the grid point (i, j) (input). float (*appdatafunc)(int i, int j) - a handle to a caller-supplied
    function that returns a float which is the scalar value at the
    grid point (i, j) (input). int axis_offset_enum - an RMenum specifying which axis to offset
    from in terms of the 2D grid.  Must be one of RMV_XAXIS_OFFSET,
    RMV_YAXIS_OFFSET, or RMV_ZAXIS_OFFSET (input). int iusize, ivsize - int specifying the dimensions of the 2D grid of
    data (input). int nlevels - an int specifying the number of contour levels to
    generate (input). float *levels - a handle to an array of scalar values to generate
    contours for (input). RMcolor4D *color_list - a handle to an array of RMcolor4D colors for
    the respective contours levels (input). RMenum linewidth_enum - an RMenum specifying the line width.  Must be
    one of RM_LINEWIDTH_NARROW, RM_LINEWIDTH_MEDIUM,
    RM_LINEWIDTH_HEAVY, or RM_LINEWIDTH_[1..8] (input). RMenum linestyle_enum - an RMenum specifying the lline style.  Must
    be one of RM_LINES_SOLID, RM_LINES_DASHED, RM_LINES_DOTTED,
    RM_LINES_DOT_DASH, or RM_LINES_DASH_DASH_DOT (input). RMnode *n - a handle to an RMnode to contain the generated contours
    (modified).