<div dir="ltr">Hi,<div>I'm trying to perform a "simple" 3d bounding box filter against a dataset with 3d coordinates</div><div>and I'm getting some funny/weird results. I am using postgis 2.2.</div><div><br></div><div>The table looks as follows:</div><div><br></div><div><div> Table "public.3dfloor"<br></div><div> Column | Type | Modifiers </div><div>------------+-------------------------------+---------------------------------------------------------</div><div> gid | integer | not null default nextval('"3dfloor_gid_seq"'::regclass)</div><div> newfeat_id | integer | </div><div><div> geom | geometry(MultiPolygonZ,7415) | </div></div><div>Indexes:<br></div><div> "3dfloor_pkey" PRIMARY KEY, btree (gid)</div><div> "3dfloor_geom_idx" gist (geom gist_geometry_ops_nd)</div><div><br></div><div>The index has been created with ND support. Now, the table contains 16 rows with varying Z values,</div><div>sample summary here:</div><div><br></div><div><div>> select gid, ST_ZMin(geom), ST_ZMax(geom) from "3dfloor";</div><div> gid | st_zmin | st_zmax </div><div>-----+---------+---------</div><div> 1 | 0 | 0</div><div> 2 | 0 | 0</div><div> 3 | 3 | 3</div><div> 4 | 6 | 6</div><div> 5 | 9 | 9</div><div> 6 | 12 | 12</div><div> 7 | 15 | 15</div><div> 8 | 18 | 18</div><div> 9 | 21 | 21</div><div> 10 | 24 | 24</div><div> 11 | 27 | 27</div><div> 12 | 30 | 30</div><div> 13 | 33 | 33</div><div> 14 | 36 | 36</div><div> 15 | 39 | 39</div><div> 16 | 42 | 42</div></div><div><br></div><div>I'm trying to filter using a 3d bbox, but I'm getting back all rows while I would expect to get only the first two, instead I'm getting</div><div>back all of them:</div><div><br></div><div>> select count(*) from "3dfloor" where geom &&& ST_3DMakeBox(ST_makePoint(0,0,0), ST_MakePoint(1000000,1000000,1));<br></div><div>16</div><div><br></div><div>Anyone knows why it's happening? Hopefully I'm missing something obvious :-)</div><div><br></div><div>Cheers</div><div>Andrea</div><div><br></div><div><br></div>-- <br><div class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div><div><div>==</div><div>GeoServer Professional Services from the experts! Visit</div><div><a href="http://goo.gl/it488V" target="_blank">http://goo.gl/it488V</a> for more information.</div><div><span style="font-size:12.8px">==</span><br></div></div><div><br></div></div><div>Ing. 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