PostGIS  2.2.8dev-r@@SVN_REVISION@@

◆ box2df_distance_leaf_centroid()

static double box2df_distance_leaf_centroid ( const BOX2DF *  a,
const BOX2DF *  b 
)
static

Calculate the centroid->centroid distance between the boxes.

Definition at line 376 of file gserialized_gist_2d.c.

Referenced by gserialized_distance_centroid_2d(), and gserialized_gist_distance_2d().

377 {
378  /* The centroid->centroid distance between the boxes */
379  double a_x = (a->xmax + a->xmin) / 2.0;
380  double a_y = (a->ymax + a->ymin) / 2.0;
381  double b_x = (b->xmax + b->xmin) / 2.0;
382  double b_y = (b->ymax + b->ymin) / 2.0;
383 
384  /* This "distance" is only used for comparisons, */
385  return sqrt((a_x - b_x) * (a_x - b_x) + (a_y - b_y) * (a_y - b_y));
386 }
Here is the caller graph for this function: