A pointer to a structure of the following type is passed as the first argument to callbacks registered using rtree_geometry_callback().
Parameters passed to SQL geom function
Size of array aParam[]
Copy of pContext passed to s_r_g_c()
Callback implementation user data
Called by SQLite to clean up pUser
See Implementation
A pointer to a structure of the following type is passed as the first argument to callbacks registered using rtree_geometry_callback().