[mapserver-users] Oracle Spatial + MS 5.2.0: No drawing of certain objects
Paul Ramsey
pramsey at cleverelephant.ca
Fri Sep 19 07:39:49 PDT 2008
Try the following completely untested patch:
Index: maporaclespatial.c
===================================================================
--- maporaclespatial.c (revision 7827)
+++ maporaclespatial.c (working copy)
@@ -1476,6 +1476,9 @@
case 31: /* simple polygon with n points, last
point equals the first one */
osClosedPolygon(hand, shape, obj, ord_start,
ord_end, points, elem_type, data3d);
break;
+ case 32: /* simple polygon with only arcs for bounds */
+ osArcPolygon(hand, shape, obj, ord_start,
ord_end, points, data3d);
+ break;
case 33: /* rectangle defined by 2 points */
osRectangle(hand, shape, obj, ord_start,
ord_end, points, point5, data3d);
break;
On Fri, Sep 19, 2008 at 3:20 AM, Schönhammer, Herbert
<Schoenhammer.Herbert at regensburg.de> wrote:
> Hallo Paul,
>
> 1.) Yes, there is no difference in behavior between the old and new mapserver versions.
>
> 2.) Yes and No. In detail:
>
> 2a) If there is at most ONE straight line in the polygon, mapserver renders this polygon correct, even if there is a curved segement (arc) in the polygon. For example this is a church, which contains three arcs in the polygon (triple 11,2,2 and 31,2,2 and 51,2,2). This polygon is rendered correct.
>
> INSERT INTO AX_GEBAEUDE (FID,GEOM) VALUES (14080503,mdsys.sdo_geometry(2003,82032,null,mdsys.sdo_elem_info_array(1,1005,7,1,2,1,11,2,2,15,2,1,31,2,2,35,2,1,51,2,2,55,2,1),mdsys.sdo_ordinate_array(4506867.81,5430890.76,4506872.05,5430889.72,4506881.01,5430887.51,4506881.58,5430889.82,4506883.14,5430896.16,4506937.22,5430883.9,4506941.09222415,5430884.75129585,4506943.86,5430887.59,4506948.31,5430886.72,4506947.53,5430882.98,4506950.45,5430882.37,4506950.02,5430880.3,4506955.17,5430879.23,4506955.58,5430881.2,4506958.35,5430880.62,4506959.21,5430884.73,4506961.57385865,5430886.53782314,4506960.13,5430889.14,4506960.94,5430893,4506957.92,5430893.63,4506958.4,5430896.12,4506953.2,5430897.12,4506952.74,5430894.72,4506950.1,5430895.27,4506949.23,5430891.12,4506944.73,5430892,4506942.9045371,5430896.27675424,4506939.38,5430899.31,4506893.36,5430909.55,4506886.79,5430911.01,4506888.96,5430919.81,4506882.98,5430921.28,4506874.83,5430923.28,4506874.09,5430920.3,4506872.55,5430914.03,4506866.92,5430915.42,4506864.74,5430915.95,4506861.35,5430902.17,4506870.09,5430900.02,4506867.81,5430890.76)));
>
> 2b) Mapserver does not render polygons, which exists ONLY of a connected sequence of circular arcs that closes on itself. (Examples below).
>
> Greetings
> Herbert
>
>>-----Ursprüngliche Nachricht-----
>>Von: Paul Ramsey [mailto:pramsey at cleverelephant.ca]
>>Gesendet: Donnerstag, 18. September 2008 16:35
>>An: Schönhammer, Herbert
>>Betreff: Re: [mapserver-users] Oracle Spatial + MS 5.2.0: No
>>drawing of certain objects
>>
>>
>>So, to confirm, there is now no difference in behavior between your
>>old and new mapserver installations?
>>
>>However, the old and new installations share an inability to render
>>polygons that include curved boundaries?
>>
>>P.
>>
>>On Thu, Sep 18, 2008 at 3:14 AM, Schönhammer, Herbert
>><Schoenhammer.Herbert at regensburg.de> wrote:
>>> Hallo Paul,
>>>
>>> (I needed some time because new hardware, ...)
>>>
>>> Okay: First of all:
>>>
>>> The reported NEW DIFFICULTIES are not reproducable any more.
>>I really don't know what happened. But LINESTRINGS made up of
>>a connected sequence of circular arcs ARE DRAWN by mapserver.
>>>
>>> The old problem still exists.
>>> =============================
>>> POLYGONS made up of a connected sequence of circular arcs
>>ARE NOT DRAWN by mapserver. No error message.
>>>
>>> I have made a config error in my mapfile. So I could get an
>>error message from mapserver. In this error message the
>>SQL-statement sent to the oracle database is:
>>>
>>> SELECT fid, geom FROM AX_GEBAEUDE WHERE SDO_FILTER( geom,
>>MDSYS.SDO_GEOMETRY(2003, 82032,
>>NULL,MDSYS.SDO_ELEM_INFO_ARRAY(1,1003,3),MDSYS.SDO_ORDINATE_ARR
>>AY(4505602.25,5430841.31,4505622.97,5430856.39)
>>),'querytype=window') = 'TRUE'
>>>
>>> When i submit this SQL direct to the databse I get 4 geometries back.
>>> Two POLYGONS made up of straight line segements.
>>> Two POLYGONS made up of a connected sequence of circular arcs.
>>>
>>> The polygons with straight line segments are drawn, the
>>polygons made up of a connected sequence of circular arcs are
>>not drawn.
>>>
>>> I have exported these objects from my database:
>>>
>>> The drawn polygons are:
>>> INSERT INTO AX_GEBAEUDE (FID,GEOM) VALUES
>>(14079074,mdsys.sdo_geometry(2003,82032,null,mdsys.sdo_elem_inf
>>o_array(1,1003,1),mdsys.sdo_ordinate_array(4505658.59,5430772.1
>>7,4505643.27,5430803.04,4505634.39,5430798.05,4505625.41,543081
>>4,4505619.34,5430810.5898,4505607.9,5430830.95,4505607.4,543083
>>0.7,4505600.29,5430845.02,4505511.2,5430801.08,4505534.42,54307
>>54.01,4505552.34,5430762.86,4505569.51,5430728.08,4505658.59,54
>>30772.17)));
>>> INSERT INTO AX_GEBAEUDE (FID,GEOM) VALUES
>>(14079078,mdsys.sdo_geometry(2003,82032,null,mdsys.sdo_elem_inf
>>o_array(1,1003,1),mdsys.sdo_ordinate_array(4505643.27,5430803.0
>>4,4505643.85,5430803.37,4505644.39,5430803.67,4505644.34,543080
>>3.76,4505635.46,5430819.49,4505633.64,5430822.73,4505619.68,543
>>0847.46,4505609.69,5430841.9199,4505613.95,5430834.36,4505625.4
>>1,5430814,4505634.39,5430798.05,4505643.27,5430803.04)));
>>>
>>> The polygons which are not drawn are:
>>> INSERT INTO AX_GEBAEUDE (FID,GEOM) VALUES
>>(14079126,mdsys.sdo_geometry(2003,82032,null,mdsys.sdo_elem_inf
>>o_array(1,1003,2),mdsys.sdo_ordinate_array(4505611.03,5430848.5
>>5,4505611.03,5430845.19,4505614.39,5430845.19,4505614.39,543084
>>8.55,4505611.03,5430848.55)));
>>> INSERT INTO AX_GEBAEUDE (FID,GEOM) VALUES
>>(14079128,mdsys.sdo_geometry(2003,82032,null,mdsys.sdo_elem_inf
>>o_array(1,1003,2),mdsys.sdo_ordinate_array(4505615.64,5430849.9
>>,4505615.64,5430847.3,4505618.24,5430847.3,4505618.24,5430849.9
>>,4505615.64,5430849.9)));
>>>
>>>
>>> All polygons are GTYPE=2003 in SRID=82032. All POLYGONS are
>>SDO_ETYPE=1003.
>>> The POLYGONS with SDO_INTERPRETATION = 1 are drawn.
>>> The POLYGONS with SDO_INTERPRETATION = 2 are not drawn.
>>>
>>>
>>> greetings
>>> Herbert
>>>
>>>>-----Ursprüngliche Nachricht-----
>>>>Von: Paul Ramsey [mailto:pramsey at cleverelephant.ca]
>>>>Gesendet: Donnerstag, 11. September 2008 19:07
>>>>An: Schönhammer, Herbert
>>>>Cc: Mapserver-users (mapserver-users at lists.osgeo.org)
>>>>Betreff: Re: [mapserver-users] Oracle Spatial + MS 5.2.0: No
>>>>drawing of certain objects
>>>>
>>>>
>>>>Could you do a bit more legwork and see if the problem appears at the
>>>>transition to 5.0 or the transition to 5.2? From there we
>>can probably
>>>>find the code change that caused it.
>>>>
>>>>P.
>>>>
>>>>On Wed, Sep 10, 2008 at 7:03 AM, Schönhammer, Herbert
>>>><Schoenhammer.Herbert at regensburg.de> wrote:
>>>>> Hi list,
>>>>>
>>>>> ( I had a similar discussion using Mapserver 4.10.x and
>>>>Oracle Spatial 9i in
>>>>> May 2007. But the problems changed using Mapserver 5.2.0 .).
>>>>>
>>>>>
>>>>> The new environmet:
>>>>> ===============
>>>>> Server SLES10
>>>>> Mapserver 5.2.0
>>>>> Oracle OCI - Interface used with Oracle 11-Client-Software
>>>>>
>>>>> DB-Server Windows 2xxx
>>>>> Oracle Spatial 10g
>>>>>
>>>>>
>>>>> The new problem :
>>>>> ==============
>>>>> Line strings made up of a connected sequence of circular
>>>>arcs ARE NOT DRAWN.
>>>>> No error message is generated by mapserver, but the objects
>>>>are not shown in
>>>>> the map.
>>>>>
>>>>> Example:
>>>>> INSERT INTO AX_BES_GEBLINIE (FID,GEOM) VALUES
>>>>>
>>>>(14196363,mdsys.sdo_geometry(2002,82032,null,mdsys.sdo_elem_inf
>>>>o_array(1,2,2),mdsys.sdo_ordinate_array(4512474.1948,5426555.09
>>>>79,4512473.3318,5426554.2349,4512474.1948,5426553.3719,4512475.
>>>>0578,5426554.2349,4512474.1948,5426555.0979)));
>>>>>
>>>>> (Background:
>>>>> In my mailing from May 2007 I reported that these Objects are drawn
>>>>> correctly by mapserver. This statement is indeed
>>>>reproducable correct using
>>>>> mapserver 4.10.x. This is independent from the used oracle
>>>>version ( 9i or
>>>>> 10g ).
>>>>> Now, using mapserver 5.2.0 these objects are not drawn
>>>>anymore. No error
>>>>> message is produced. This is also independent from the used
>>>>oracle version (
>>>>> 9i or 10g ). )
>>>>>
>>>>> The old problem:
>>>>> ============
>>>>> Polygons made up of a connected sequence of circular arcs
>>>>ARE NOT DRAWN. No
>>>>> error message is generated by mapserver, but the objects are
>>>>not shown in
>>>>> the map.
>>>>>
>>>>> (This problem was already reported in May 2007. The
>>>>behaviour did not change
>>>>> from mapserver 4.10.x to 5.2.0)
>>>>>
>>>>> Example:
>>>>> INSERT INTO AX_GEBAEUDE (FID,GEOM) VALUES
>>>>>
>>>>(14079065,mdsys.sdo_geometry(2003,82032,null,mdsys.sdo_elem_inf
>>>>o_array(1,1003,2),mdsys.sdo_ordinate_array(4505553.2585,5430757
>>>>.2937,4505551.1659,5430755.2011,4505553.2585,5430753.1085,45055
>>>>55.3511,5430755.2011,4505553.2585,5430757.2937)));
>>>>>
>>>>>
>>>>> Oracle Documentation:
>>>>> =================
>>>>> Reading the Oracle Docs, I think all the objects are correct
>>>>defined. The
>>>>> geometries are validating by oracle 9i and oracle 10g (Using
>>>>the st_valid -
>>>>> method, e.g. SELECT a.GEOM.ST_IsValid()
>>>>> FROM ax_bes_geblinie a WHERE a.fid = 14196363;).
>>>>>
>>>>>
>>>>>
>>>>> Does anybody know a solution how to draw these objects with
>>>>mapserver ?
>>>>>
>>>>> greetings
>>>>> Herbert
>>>>>
>>>>> _______________________________________________
>>>>> mapserver-users mailing list
>>>>> mapserver-users at lists.osgeo.org
>>>>> http://lists.osgeo.org/mailman/listinfo/mapserver-users
>>>>>
>>>>>
>>>>
>>>
>>
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