Inserting sdo_geometry object

I'm trying to insert an sdo_geometry object as an oracle.sql.STRUCT object using a prepared statement in Java but can't get it right: keep getting :"Inconsistent java and sql object types" message. Does any1 have an example or can help plz?

Hi!
Yes, the GML, WKT and WKB functions at 10gR2 are all 2D.
I have a package that I recently extended to include a TO_3D() function (it already has a TO_2D() function).
The package also has an AsEWKT which will return an sdo_geometry that is 2, 3 or 4D into an "extended" WKT format which is based on the next release of the OGC standard (and as in the Open Source FDO package). I have a VB6 library that implements an AsEWKT function. It would, most likely, not take me that much time to convert this to ToEWKT() but you could do it yourself by downloading the existing packages/VB6 code from my website at www dot spatialdbadvisor dot com.
I have not uploaded the changed package with the TO_3D() function in it onto my website (for free download) but if you contact me I will let you know when it is has been uploaded. My email address is: simon at spatialdbadvisor dot com.
You could get some GML 3 compliant Java code and drop it in the database with a PL/SQL wrapper over it. There is code in GeoTools to spatial objects to/from Oracle SDO_Geometry format and I guess there might be something in there for reading GML 3.0. There is a GML2Geometry function in the packages that uses Java but I have not done one for GML3ToGeometry. But it would be a useful start.
Hope this helps!
regards
S

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/Anders

The current releases of ODP.NET do not support object types, hence no "proper" SDO_GEOMETRY support. You can retrieve the data as an XML-type as illustrated here:
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Hi, guys.
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Regards,
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Attachments:
ActiveX Container.png ‏26 KB
Property Node.png ‏35 KB

Hello,
Probably you can
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How to get the x1,y1 and z1 coordinates out of an sdo_geometry object?

Hello,
i have stored several boxes into an sdo_geometry object like the following:
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mdsys.sdo_elem_info_array(1,1003,3),
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I know how it works to get x1,y1 and z1 over a java-prog. But i want to get them with a sql-statement as i also want to get the min and max x1,y1,z1.
Hope there is anybody that can help me. Thanks in advance.
Markus Veith

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SELECT t.GEOMETRY.SDO_POINT.x,t.GEOMETRY.SDO_POINT.y
FROM TABLE T
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You'll need to use a loop in PL/SQL, eg:
SET SERVEROUT ON
DECLARE
i number;
j NUMBER;
BEGIN
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i := 1;
while i < sel.<geom_column>.sdo_ordinates.count LOOP
j:= sel.GEOMETRY.sdo_ordinates(i);
dbms_output.put_line(j);
i := i + 1;
j:= sel.GEOMETRY.sdo_ordinates(i);
end loop;
dbms_output.put_line(j);
END LOOP;
END;
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Hi all,
formerly in sql developer at my query result tab, the sdo_geometry objects used to look like this: mdsys.sdo_geometry(2001, 8307, sdo_point_type(12, 8, null), null, null)
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Welcome to the forum.
Thanks for reposting here. The people that read this forum use and know sql developer so you should be able to get help.
I'm not familiar with SDO_GEOMETRY but I did find this other recent thread in this forum.
You might want to look at it to see if it has any info you can use.
Re: SQL Developer 3.0.04 - SDO_GEOM Issues
That thread has this reply at the bottom
>
To add to Gary, the SDO_GEOMETRY cell will now show "SDO_GEOMETRY" & you can see it's value in the popup cell viewer/editor (double clicking inside the cell & then clicking the "..." button).
>
Is that what you needed?
That thread also mentions this thread
Re: SQLD 3.1EA - Fails to render resultset output containing SDO_GEOMETRY
Where one of the developers appears to say that made is not show the content automatically to address a performance issue. So maybe the double-click will work to display it when you want it or maybe there is a tools-preference setting.

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Ole2 question about inserting document object in Word

I thought I had it figured out but it doesn't seem to work. From a Oracle Forms 6i application, I want to insert an object(a file) in a word document as an icon.
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, IconIndex:=1, IconLabel:= _
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,'Word.Document.8'
ole2.set_property (holeformat
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,'IconLabel'
,'string defining the location of the file object'
When I run the code I get the following message from MS Word:
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This application is not available to open this object.
Make sure the application is properly installed and that it has not deleted, moved or renamed."
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Sure, that's because you specifically tell it to. Your script inserts a 'new field' which is analogous to Word's dynamic text objects (date, time, page number, etc.)
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tell selection
type text text "Left message " & (current date as text)
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which will look more like: "6/10/10 3:26:50 PM"
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Multiple SDO_GEOMETRY Objects of type CIRCLE with the same LOCATION

Can i have a single MERCHANT LOCATION hold multiple SDO_GEOMETRY Objects of type CIRCLE ?
For example the use case , i need to have a SDO_GEOMETRY TYPE CIRCLE circle defined for a single MERCHANT LOCATION with a 2 Mile radius as well as a 5 Mile Radius.
is that even possible with Spatial? I know i can add a single geometry for a merchant at once, but i want to give the user the flexibility of choosing the type of geometry for the merchant based on set of rules. hence want to check if this can be done or not?
Thanks in Advance

Person with no name,
Not clear exactly what you need to do here.
You can store two circles with the same centre in a single sdo_geometry but only if you use a polygon with the circle with the greatest radius being the outer ring and the smaller radius the inner ring.
I have a utility in my free COGO plsql package that allows me to create circles for PLANAR data pretty easily as follows:
-- Function...
Create
    function CreateCircle(dCentreX in Number,
                          dCentreY in Number,
                          dRadius in Number)
    return mDSYS.sdo_geometry
    IS
      dPnt1X NUMBER;
      dPnt1Y NUMBER;
      dPnt2X NUMBER;
      dPnt2Y NUMBER;
      dPnt3X NUMBER;
      dPnt3Y NUMBER;
    BEGIN
      -- Compute three points on the circle's circumference
      dPnt1X := dCentreX - dRadius;
      dPnt1Y := dCentreY;
      dPnt2X := dCentreX + dRadius;
      dPnt2Y := dCentreY;
      dPnt3X := dCentreX;
      dPnt3Y := dCentreY + dRadius;
      RETURN MDSYS.SDO_GEOMETRY(2003,NULL,NULL,MDSYS.SDO_ELEM_INFO_ARRAY(1,1003,4),MDSYS.SDO_ORDINATE_ARRAY(dPnt1X, dPnt1Y, dPnt2X, dPnt2Y, dPnt3X, dPnt3Y));
    End;
select sdo_geometry(f.geom.sdo_gtype,
                    f.geom.sdo_srid,
                    sdo_point_type(f.centreX,f.centreY,null),
                    f.geom.sdo_elem_info,
                    f.geom.sdo_ordinates) as mcircle
from (select 10 as centreX,
               10 as centreY,
               sdo_geom.sdo_xor(cogo.CreateCircle(10,10,2),
                                cogo.CreateCircle(10,10,5),
                                0.005) as geom
          from dual ) f;
-- Results
MCIRCLE
SDO_GEOMETRY(2003,NULL,SDO_POINT_TYPE(10.0,10.0,NULL),SDO_ELEM_INFO_ARRAY(1,1003,2, 11,2003,2),SDO_ORDINATE_ARRAY(10.0,15.0, 5.0,10.0, 10.0,5.0, 15.0,10.0, 10.0,15.0, 10.0,8.0, 8.0,10.0, 10.0,12.0, 12.0,10.0, 10.0,8.0))(This geometry looks like a donut.)
Note that I have included the centre coordinates in the sdo_point of the result sdo_geometry.
To extract each ring:
-- We need a function to return number of rings in a polygon as sdo_util.getNumElems() does not
Create
Function GetNumRings( p_geometry in mdsys.sdo_geometry,
                        p_ring_type in integer /* 0 = ALL; 1 = OUTER; 2 = INNER */ )
    Return Number
Is
    v_elements   pls_integer := 0;
    v_ring_count pls_integer := 0;
    v_etype      pls_integer;
    v_ring_type pls_integer := case when ( p_ring_type is null OR
                                            p_ring_type not in (0,1,2) )
                                     Then 0
                                     Else p_ring_type
                                 End;
Begin
    If ( p_geometry is not null ) Then
      v_elements := ( ( p_geometry.sdo_elem_info.COUNT / 3 ) - 1 );
      <<element_extraction>>
      FOR v_i IN 0 .. v_elements LOOP
        v_etype := p_geometry.sdo_elem_info(v_i * 3 + 2);
        If ( ( v_etype in (1003,1005,2003,2005) and 0 = v_ring_type )
          OR ( v_etype in (1003,1005)           and 1 = v_ring_type )
          OR ( v_etype in (2003,2005)           and 2 = v_ring_type ) ) Then
           v_ring_count := v_ring_count + 1;
        End If;
      END LOOP element_extraction;
    End If;
    Return v_ring_count;
End GetNumRings;
-- Query
with circles as (
SELECT SDO_GEOMETRY(2003,NULL,SDO_POINT_TYPE(10.0,10.0,NULL),SDO_ELEM_INFO_ARRAY(1,1003,2, 11,2003,2),SDO_ORDINATE_ARRAY(10.0,15.0, 5.0,10.0, 10.0,5.0, 15.0,10.0, 10.0,15.0, 10.0,8.0, 8.0,10.0, 10.0,12.0, 12.0,10.0, 10.0,8.0))
         as geom
    FROM dual
select sdo_util.extract(a.geom,1,e.ringNo) as circle
from circles a,
       (select level as ringNo from circles a connect by level <= GETNUMRINGS(a.geom)) e;
-- Result
CIRCLE
SDO_GEOMETRY(2003,NULL,SDO_POINT_TYPE(10.0,10.0,NULL),SDO_ELEM_INFO_ARRAY(1,1003,2),SDO_ORDINATE_ARRAY(10.0,15.0, 5.0,10.0, 10.0,5.0, 15.0,10.0, 10.0,15.0))
SDO_GEOMETRY(2003,NULL,SDO_POINT_TYPE(10.0,10.0,NULL),SDO_ELEM_INFO_ARRAY(1,1003,2),SDO_ORDINATE_ARRAY(10.0,8.0, 12.0,10.0, 10.0,12.0, 8.0,10.0, 10.0,8.0))Not sure if this helps you at all....
regards
Simon

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1
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best regards,
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P.S. Sry for my English

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James : http://www.eclipselink.org

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