Esempio n. 1
0
/**
 * aran_solver3d_insert_point:
 * @solver: an #AranSolver3d.
 * @point: a particle.
 *
 * Inserts a particle @point into the associated #VsgPRTree3d.
 */
void aran_solver3d_insert_point (AranSolver3d *solver,
                                 VsgPoint3 point)
{
  g_return_if_fail (solver != NULL);

  vsg_prtree3d_insert_point (solver->prtree, point);
}
Esempio n. 2
0
static void random_fill (VsgPRTree3d *tree, guint np)
{
  gint i;
  VsgVector3d *pt;
  Sphere *c;
  VsgVector3d lb, ub;
  GRand *rand = g_rand_new_with_seed (_random_seed);

  vsg_prtree3d_get_bounds (tree, &lb, &ub);

  for (i=0; i< np; i++)
    {
      gdouble x1, x2, y1, y2, z1, z2, r;

      x1 = g_rand_double_range (rand, lb.x, ub.x);
      y1 = g_rand_double_range (rand, lb.y, ub.y);
      z1 = g_rand_double_range (rand, lb.z, ub.z);
      x2 = g_rand_double_range (rand, lb.x, ub.x);
      y2 = g_rand_double_range (rand, lb.y, ub.y);
      z2 = g_rand_double_range (rand, lb.z, ub.z);
      r = g_rand_double_range (rand, 0., 0.1);

      if (i%_flush_interval == 0) vsg_prtree3d_migrate_flush (tree);

      if (i%sz != rk) continue;

      if (i % 10000 == 0 && _verbose) g_printerr ("%d: insert %dth point\n", rk, i);

      pt = pt_alloc (TRUE, NULL);
      pt->x = x1;
      pt->y = y1;
      pt->z = z1;
      vsg_prtree3d_insert_point (tree, pt);

      if (_put_regions)
        {
          c = rg_alloc (TRUE, NULL);
          c->center.x = x2;
          c->center.y = y2;
          c->center.z = z2;
          c->radius = r;
          vsg_prtree3d_insert_region (tree, c);
        }
/*       g_printerr ("%d: %d\n", rk, i); */
    }

  vsg_prtree3d_migrate_flush (tree);

  g_rand_free (rand);
}
Esempio n. 3
0
static void _exterior_points (VsgPRTree3d *tree)
{
  VsgVector3d lb, ub;
  VsgVector3d *pt;

  if (_verbose) g_printerr ("%d: exterior points\n", rk);

  vsg_prtree3d_get_bounds (tree, &lb, &ub);

  pt = pt_alloc (TRUE, NULL);
  pt->x = ub.x+rk+1.;
  pt->y = ub.y+rk+1.;
  pt->z = ub.z+rk+1.;

  vsg_prtree3d_insert_point (tree, pt);
  
  vsg_prtree3d_migrate_flush (tree);

  if (_verbose) g_printerr ("%d: exterior points ok\n", rk);
}
Esempio n. 4
0
gint main (gint argc, gchar ** argv)
{
  gint ret = 0;

  VsgPRTree3d *tree;
  gint i;

  VsgVector3d lb;
  VsgVector3d ub;


  MPI_Init (&argc, &argv);

  MPI_Comm_size (MPI_COMM_WORLD, &sz);
  MPI_Comm_rank (MPI_COMM_WORLD, &rk);

  if (argc > 1 && g_ascii_strncasecmp (argv[1], "--version", 9) == 0)
    {
      if (rk == 0)
        g_print ("%s\n", PACKAGE_VERSION);
      return 0;
    }

  if (argc > 1 && g_ascii_strncasecmp (argv[1], "--write", 7) == 0)
    {
      _do_write = TRUE;
    }

  vsg_init_gdouble ();

  points = g_ptr_array_new ();
  regions = g_ptr_array_new ();

  if (rk == 0)
    {
      VsgVector3d *pt;
      Sphere *c;

      lb.x = -1.; lb.y = -1.; lb.z = -1.;
      ub.x = 0.; ub.y = 0.; ub.z = 0.;

      pt = pt_alloc (TRUE, NULL);
      pt->x = -0.5; pt->y = -0.5; pt->z = -0.5;

      c = rg_alloc (TRUE, NULL);
      c->center.x = -0.6; c->center.y = -0.6; c->center.z = -0.6;
      c->radius = 0.1;
    }
  else
    {
      VsgVector3d *pt;
      Sphere *c;

      lb.x = 0.; lb.y = 0.; lb.z = 0.;
      ub.x = 1.*rk; ub.y = 1.*rk; ub.z = 1.*rk;

      pt = pt_alloc (TRUE, NULL);
      pt->x = 0.5*rk; pt->y = 0.5*rk; pt->z = 0.5*rk;

      pt = pt_alloc (TRUE, NULL);
      pt->x = 0.60*rk; pt->y = 0.65*rk; pt->z = 0.70*rk;

      pt = pt_alloc (TRUE, NULL);
      pt->x = 0.15*rk; pt->y = 0.75*rk; pt->z = 0.80*rk;

      c = rg_alloc (TRUE, NULL);
      c->center.x = 0.6*rk; c->center.y = 0.6*rk; c->center.z = 0.6*rk;
      c->radius = 0.11;
    }

  /* create the tree */
  tree =
    vsg_prtree3d_new_full (&lb, &ub,
                           (VsgPoint3dLocFunc) vsg_vector3d_vector3d_locfunc,
                           (VsgPoint3dDistFunc) vsg_vector3d_dist,
                           (VsgRegion3dLocFunc) _sphere_loc3, 2);

  /* insert the points */
  for (i=0; i<points->len; i++)
    {
      vsg_prtree3d_insert_point (tree, g_ptr_array_index (points, i));
    }

  /* insert the regions */
  for (i=0; i<regions->len; i++)
    {
      vsg_prtree3d_insert_region (tree, g_ptr_array_index (regions, i));
    }

  /* count total created points and regions */
  init_total_points_count ();
  init_total_regions_count ();

/*   MPI_Barrier (MPI_COMM_WORLD); */
/*   g_printerr ("%d: set_parallel begin\n", rk); */

  vsg_prtree3d_set_parallel (tree, &pconfig);

/*   MPI_Barrier (MPI_COMM_WORLD); */
/*   g_printerr ("%d: set_parallel ok\n", rk); */

  ret += check_points_number (tree);
  ret += check_regions_number (tree);

/*   MPI_Barrier (MPI_COMM_WORLD); */
/*   g_printerr ("%d: before migrate_flush ok\n", rk); */
  {
    VsgVector3d *pt;
    Sphere *c;

    pt = pt_alloc (TRUE, NULL);
    pt->x = 0.5*rk; pt->y = 0.75*rk; pt->z = 0.75*rk;
    vsg_prtree3d_insert_point (tree, pt);

    c = rg_alloc (TRUE, NULL);
    c->center.x = 1.; c->center.y = 0.6*rk; c->center.z = 0.6*rk;
    c->radius = 0.1;
    vsg_prtree3d_insert_region (tree, c);
  }

  /* update total points and regions count */
  init_total_points_count ();
  init_total_regions_count ();

/*   MPI_Barrier (MPI_COMM_WORLD); */
/*   g_printerr ("%d: migrate_flush begin\n", rk); */

  vsg_prtree3d_migrate_flush (tree);

/*   MPI_Barrier (MPI_COMM_WORLD); */
/*   g_printerr ("%d: migrate_flush ok\n", rk); */

  ret += check_points_number (tree);
  ret += check_regions_number (tree);

/*   MPI_Barrier (MPI_COMM_WORLD); */
/*   g_printerr ("%d: distribute_nodes begin\n", rk); */

  for (i=0; i<sz; i++)
    {
      gint dst = (i+1) % sz;

/*       MPI_Barrier (MPI_COMM_WORLD); */
/*       g_printerr ("%d: move to %d\n", rk, dst); */

      vsg_prtree3d_distribute_concentrate (tree, dst);

      ret += check_points_number (tree);
      ret += check_regions_number (tree);
    }

/*   MPI_Barrier (MPI_COMM_WORLD); */
/*   g_printerr ("%d: split between nodes\n", rk); */

  vsg_prtree3d_distribute_scatter_leaves (tree);

  ret += check_points_number (tree);
  ret += check_regions_number (tree);

/* /\*   MPI_Barrier (MPI_COMM_WORLD); *\/ */
/* /\*   g_printerr ("%d: distribute_nodes ok\n", rk); *\/ */

  if (_do_write)
    {
      MPI_Barrier (MPI_COMM_WORLD);
      _tree_write (tree);
    }

  if (_do_write)
    {
      gchar fn[1024];
      FILE *f;

      g_sprintf (fn, "prtree3parallel-%03d.txt", rk);
      f = fopen (fn, "w");
      vsg_prtree3d_write (tree, f);
      fclose (f);
    }

  /* destroy the points */
  g_ptr_array_foreach (points, empty_array, NULL);
  g_ptr_array_free (points, TRUE);

  /* destroy the spheres */
  g_ptr_array_foreach (regions, empty_array, NULL);
  g_ptr_array_free (regions, TRUE);

  /* destroy the tree */
  vsg_prtree3d_free (tree);

  MPI_Finalize ();

  return ret;
}
Esempio n. 5
0
gint main (gint argc, gchar ** argv)
{
  gint ret = 0;

  VsgVector3d lb = {-1., -1., -1.};
  VsgVector3d ub = {1., 1., 1.};

  VsgVector3d points[] = {
    {-0.5, -0.5, -.5},
    {0.5, -0.5, -.5},
    {-0.5, 0.5, .5},
    {0.25, 0.25, .5},
    {0.75, 0.75, .5},
    {1.75, 1.75, 1.}, /* exterior point */
    {1.75, 100.75, 1.}, /* another exterior point */
    {1.75, -100.75, 1.}, /* another exterior point */
  };

  const guint n = sizeof (points) / sizeof (VsgVector3d);

  VsgPRTree3d *tree;
  gint i;

  if (argc > 1 && g_ascii_strncasecmp (argv[1], "--version", 9) == 0)
    {
      g_print ("%s\n", PACKAGE_VERSION);
      return 0;
    }

  vsg_init_gdouble ();

  /* create the tree */
  tree =
    vsg_prtree3d_new_full (&lb, &ub,
                           (VsgPoint3dLocFunc) vsg_vector3d_vector3d_locfunc,
                           (VsgPoint3dDistFunc) vsg_vector3d_dist,
                           NULL, 1);

  /* insert some points */
  for (i=0; i<n; i++)
    {
      vsg_prtree3d_insert_point (tree, &points[i]);
    }

  /* do some traversal */
  i=0;
  vsg_prtree3d_traverse (tree, G_PRE_ORDER,
                         (VsgPRTree3dFunc) traverse_point_count, &i);

  /* check the results */
  if (i != n)
    {
      g_printerr ("ERROR: traverse point count %d (should be %d)\n",
                  i, n);

      ret ++;
    }

  /* remove the points */
  for (i=0; i<n; i++)
    {
      vsg_prtree3d_remove_point (tree, &points[i]);
    }

  /* destroy the tree */
  vsg_prtree3d_free (tree);

  return ret;
}
Esempio n. 6
0
gint main (gint argc, gchar ** argv)
{
  gint ret = 0;

  VsgVector3d lb = {-1., -1., -1.};
  VsgVector3d ub = {1., 1., 1.};
  NodeCounter counter = {0, 0};
  const guint m = 100;
  const guint n = 1000;

  Pt points[m*n];

  VsgPRTree3d *tree;
  gint i;

  if (argc > 1 && g_strncasecmp (argv[1], "--version", 9) == 0)
    {
      g_print ("%s\n", PACKAGE_VERSION);
      return 0;
    }

  vsg_init_gdouble ();

  /* create the tree */
  tree = vsg_prtree3d_new (&lb, &ub, NULL);

  vsg_prtree3d_set_node_data (tree, TYPE_NODE_COUNTER, &counter);

  /* create the points */
  create_points (points, m, n);

  /* insert the points into the tree */
  for (i=0; i<m*n; i++)
    {
      vsg_prtree3d_insert_point (tree, &points[i]);
    }

/*    g_printerr ("ok depth = %d size = %d\n", */
/*                vsg_prtree3d_depth (tree), */
/*                vsg_prtree3d_point_count (tree)); */

  /* accumulate the point counts across the tree */
  vsg_prtree3d_traverse (tree, G_POST_ORDER, (VsgPRTree3dFunc) up, NULL);

  /* do some near/far traversal */
  vsg_prtree3d_near_far_traversal (tree, (VsgPRTree3dFarInteractionFunc) far,
                                   (VsgPRTree3dInteractionFunc) near,
                                   &ret);

  /*  distribute back the point counts across the tree */
  vsg_prtree3d_traverse (tree, G_PRE_ORDER, (VsgPRTree3dFunc) down, NULL);

  /* check the results */
  for (i=0; i<m*n; i++)
    {
      if (points[i].count != m*n)
        {
          g_printerr ("ERROR: wrong count on point %d: %d (should be %d).\n",
                      i, points[i].count, n);
          ret ++;
        }
    }

  /* remove the points */
  for (i=0; i<m*n; i++)
    {
      vsg_prtree3d_remove_point (tree, &points[i]);
    }

  /* destroy the tree */
  vsg_prtree3d_free (tree);

  return ret;
}
Esempio n. 7
0
gint main (gint argc, gchar ** argv)
{
  gint ret = 0;

  VsgVector3d lb = {-1., -1., -1.};
  VsgVector3d ub = {1., 1., 1.};

  VsgVector3d *points;
  gint lvl = 1;
  gint n, np;

  VsgPRTree3d *tree;
  gint i, j, k, l;

  if (argc > 1 && g_strncasecmp (argv[1], "--version", 9) == 0)
    {
      g_print ("%s\n", PACKAGE_VERSION);
      return 0;
    }

  if (argc > 1)
    {
      sscanf (argv[1], "%d", &lvl);
    }

  n = 1<<lvl;
  np = n*n*n;

  vsg_init_gdouble ();

  /* create the points */
  points = g_malloc (np * sizeof (VsgVector3d));
  l = 0;
  for (i=0; i<n; i++)
    {
      gdouble x = 2. * ((i+0.5)/n) - 1.;

      for (j=0; j<n; j++)
        {
          gdouble y = 2. * ((j+0.5)/n) - 1.;

          for (k=0; k<n; k++)
            {
              gdouble z = 2. * ((k+0.5)/n) - 1.;

              vsg_vector3d_set (&points[l], x, y, z);
              l ++;
            }
        }
    }

  /* create the tree */
  tree =
    vsg_prtree3d_new_full (&lb, &ub,
                           (VsgPoint3dLocFunc) vsg_vector3d_vector3d_locfunc,
                           (VsgPoint3dDistFunc) vsg_vector3d_dist,
                           NULL, 1);

  /* configure for hilbert curve order traversal */
  vsg_prtree3d_set_children_order (tree, hilbert3_order,
                                   GINT_TO_POINTER (HK3_0_2_1));

  /* insert some points */
  for (i=0; i<np; i++)
    {
      vsg_prtree3d_insert_point (tree, &points[i]);
    }

  /* do some traversal */
  i=0;
  vsg_prtree3d_traverse (tree, G_PRE_ORDER,
                         (VsgPRTree3dFunc) traverse_point_count, &i);

  /* check the results */
  if (i != np)
    {
      g_printerr ("ERROR: traverse point count %d (should be %d)\n",
                  i, n);

      ret ++;
    }

  /* remove the points */
  for (i=0; i<np; i++)
    {
      vsg_prtree3d_remove_point (tree, &points[i]);
    }

  g_free (points);

  /* destroy the tree */
  vsg_prtree3d_free (tree);

  return ret;
}