#ifndef dm_view_tools_H
#define dm_view_tools_H

#include <GL/glu.h>
#include <GL/glut.h>
#include <r3.h>
#include <dm_seq.h>
#include <msm_rung.h>
#include <frgb.h>

void dm_view_tools_draw_ball(r3_t* p,double radius,GLUquadricObj* quad);
/* Draws a ball at {p} with radius {radius}. */

void dm_view_tools_draw_stick(r3_t* p, r3_t* q, double radius, GLUquadricObj* quad);
/* Draws a stick from {p} to {q} given radius {radius}. */

void dm_view_tools_draw_sequence(dm_seq_t *z, frgb_t* color, double radius, r3_t perturbation);
  /* Paints the sequence {z} and displaces it in R3 space adding {perturbation} to the datum coordinates*/
void dm_view_tools_draw_tetrahedron ( void );
  /* Paints the tetrahedron. */
void dm_view_tools_draw_pairing(
  msm_rung_vec_t* gv,
   dm_seq_t* x,dm_seq_t* y,
  frgb_t* color_x,frgb_t* color_y, frgb_t* color_p,
  double radius,
  bool_t perturbation
  );
  
 /*Paints sequences {x} and {y} with colors {color_x} and {color_y}, and
   connected pairs informed by the pairing {gv} with sticks colored with {color_p}.
   If {perturbation} is TRUE, displaces the second sequence by a slight perturbation, proportional to {radius}
 */
  
  
#endif