typedef char MARKER[12];
typedef char COLOR[12];
typedef char LSTYLE[12];
struct axis_struct {
	int type;	/* 0=xaxis,yaxis, 1=zaxis. */
	float min, max, step, hei, dist, ticklen;
	int minset,maxset;
	COLOR color;
	int on;
	char *title;
	COLOR title_color;
	float title_hei,title_dist;
	int nofirst,nolast;
};
struct surface_struct {
	float sizez, sizex, sizey, title_hei, title_dist;
	float screenx, screeny;
	char *title;
	COLOR title_color;
	int maxh;	/* dimension for height array, about 1000 is good */
	int npnts;    	/* data points for markers, droplines etc */
	float *pntxyz;

	struct axis_struct xaxis;	/* The axes */
	struct axis_struct yaxis;
	struct axis_struct zaxis;

	int back_hidden,right_hidden,base_hidden;
	COLOR back_lstyle,back_color;		/* grids on back,base,right */
	float back_ystep,back_zstep;
	COLOR base_color,base_lstyle;
	float base_xstep,base_ystep;
	COLOR right_color,right_lstyle;
	float right_xstep,right_zstep;

	int cube_hidden_on;		/* Cube hidden lines not removed */
	int cube_on,cube_front_on;
	COLOR cube_color;
	LSTYLE cube_lstyle;
	
	float eye_x, eye_y, vdist;
	float xrotate, yrotate, zrotate;
	int skirt_on;
	int xlines_on,ylines_on;
	int hidden_on,top_on,bot_on;
	COLOR top_color,bot_color;
	LSTYLE top_lstyle,bot_lstyle;	
	
	int droplines,droplines_hidden;
	LSTYLE droplines_lstyle;
	COLOR droplines_color;
	int riselines,riselines_hidden;
	LSTYLE riselines_lstyle;
	COLOR riselines_color;

	MARKER marker;
	COLOR marker_color;
	float marker_hei;

	int ctop_hidden;		/* Contouring */
	float ctop_from,ctop_to,ctop_step;
	int cbase_hidden;
	float cbase_from,cbase_to,cbase_step;
} ;