WKT Contains Scientific Notation

I have a table with an SDO geometry column. Our data is stored in Web Mercator to simplify displaying maps on a web page. My team's preferred way of shuffling geometries around is via its WKT since this is human readable and widely used. So we are fetching the WKT directly from the database using the GET_WKT() method (right term?) on the SDO geoemtry.
The problem is that when coordinates exceed 10 million in magnitude, those coordinates are represented in E notation (see http://en.wikipedia.org/wiki/Scientific_notation#E_notation). I need to convert this WKT to a .NET object for use with a particular library, and while it supports conversion from WKT, it blows up on the E notation. I'd call it a bug with the library except for the fact that Oracle itself can't parse WKTs with E notation, either. SDO_UTIL.VALIDATE_WKTGEOMETRY returns FALSE for the WKT that GET_WKT() generated, and SDO_UTIL.FROM_WKTGEOMETRY throws an error. I've also tested that SDO_UTIL.SDO_UTIL.TO_WKTGEOMETRY returns the same WKT.
A large amount of code already depends on the geometry being in WKT format, which means that switching to another format would not be an easy change. For the moment, I'm parsing the WKT using SQL Server's geometry type (see http://msdn.microsoft.com/en-us/library/microsoft.sqlserver.types.sqlgeometry_methods.aspx), and then converting it back to a WKT without E notation using its STAsText() method.
Is there a way to force Oracle to not return E notation coordinates?
This is occurring in both of the following versions of Oracle:
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Prod
PL/SQL Release 10.2.0.1.0 - Production
"CORE     10.2.0.1.0     Production"
TNS for 32-bit Windows: Version 10.2.0.1.0 - Production
NLSRTL Version 10.2.0.1.0 - Production
Oracle Database 11g Enterprise Edition Release 11.1.0.6.0 - Production
PL/SQL Release 11.1.0.6.0 - Production
"CORE     11.1.0.6.0     Production"
TNS for 32-bit Windows: Version 11.1.0.6.0 - Production
NLSRTL Version 11.1.0.6.0 - Production
Sample SQL:
The SRID in the following queries does not seem to exist out of the box in version 10 or Oracle. I ran these queries through Oracle SQL Developer.
Query:
SELECT MDSYS.SDO_GEOMETRY(2003,3785,NULL,MDSYS.SDO_ELEM_INFO_ARRAY(1,1003,1),MDSYS.SDO_ORDINATE_ARRAY(-13426771.266146,5334024.8870015,-13425624.710722,5326534.0582305,-13412553.978887,5325922.5620044,-13412936.164029,5333719.1388884,-13426771.266146,5334024.8870015)).GET_WKT() FROM DUAL;
Result:
POLYGON ((-1.3426771266146E7 5334024.8870015, -1.3425624710722E7 5326534.0582305, -1.3412553978887E7 5325922.5620044, -1.3412936164029E7 5333719.1388884, -1.3426771266146E7 5334024.8870015))
Query:
SELECT SDO_UTIL.VALIDATE_WKTGEOMETRY(MDSYS.SDO_GEOMETRY(2003,3857,NULL,MDSYS.SDO_ELEM_INFO_ARRAY(1,1003,1),MDSYS.SDO_ORDINATE_ARRAY(-13426771.266146,5334024.8870015,-13425624.710722,5326534.0582305,-13412553.978887,5325922.5620044,-13412936.164029,5333719.1388884,-13426771.266146,5334024.8870015)).GET_WKT()) FROM DUAL;
Result:
FALSE
Query:
SELECT SDO_UTIL.FROM_WKTGEOMETRY(MDSYS.SDO_GEOMETRY(2003,3785,NULL,MDSYS.SDO_ELEM_INFO_ARRAY(1,1003,1),MDSYS.SDO_ORDINATE_ARRAY(-13426771.266146,5334024.8870015,-13425624.710722,5326534.0582305,-13412553.978887,5325922.5620044,-13412936.164029,5333719.1388884,-13426771.266146,5334024.8870015)).GET_WKT()) FROM DUAL;
Result:
ORA-29532: Java call terminated by uncaught Java exception: java.lang.RuntimeException
ORA-06512: at "MDSYS.SDO_UTIL", line 172
29532. 00000 - "Java call terminated by uncaught Java exception: %s"
*Cause:    A Java exception or error was signaled and could not be
resolved by the Java code.
*Action:   Modify Java code, if this behavior is not intended.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       

Hello jpmc26,
I am going to guess that most of us live our lives between the 180s and have not really noticed this before. I would call it a bug that needs an SR opened but is the bug on the coming or the going? If you look in the Simple Features 1.2.1 specification on pages 52 and 53 they clearly say that an "approximate numeric literal" of mantissa + E + exponent is valid. However, Oracle Spatial does not support the 1.2.1 spec. Rather they support something akin to the 1.1.0 specification. On pages 28 and 29 of that version there is no mention of approximate numeric literals as it first shows up in the 1.2.0 specification.
So I would say either:
1) Oracle Spatial supporting only the 1.1.0 specification and not much interested in updating to current specifications, should remove the output of scientific notation from the SDO_UTIL.to_WKTGEOMETRY procedure (match 1.1.0 spec).
-or-
2) Oracle Spatial looking forward to future compatibility with new OGC standards, should add support for parsing scientific notation to the SDO_UTIL.from_WKTGEOMETRY procedure (prepare for 1.2.1 spec).
I guess its a policy decision on their side. Please update the posting as to what they say as I am curious about the topic.
Many folks have largely abandoned these java-based, outdated, OGC converters. Feel free to search the forum for complaints, myself being one of the complainers. When you said "a large amount of code already depends" on WKT, my first thought was that must be really slow. Writing your own SDO to WKT converter in PLSQL is really easy and I believe that's what most of us have done. The other direction is more challenging but doable - I need to rewrite mine but its works well enough for straightforward stuff.
Cheers,
Paul

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