Hi Jukka,

Bingo!!!
That was the 100 000 000,- euro idea!

create index on t_line_invis using gist ( geom );

Now I see the geometries in openjump.

But I see a problem with small tables creating
without indices.
What can we do with this?

Uwe


Am 28.03.2013 08:25, schrieb Rahkonen Jukka:
> Hi Uwe,
>
> Try to add spatial index to your test tables and see what happens then.  
> OpenJUMP is doing query as
> SELECT ST_AsBinary(ST_Estimated_Extent)
> It is fast and I think the right way to do it in OpenJUMP but I do not 
> believe that it can work work without spatial index.
> http://postgis.refractions.net/documentation/manual-1.4/ST_Estimated_Extent.html
>
> -Jukka-
>
>
> ________________________________________
> Lähettäjä: Uwe Dalluege [uwe.dallu...@hcu-hamburg.de]
> Lähetetty: 28. maaliskuuta 2013 8:29
> Vastaanottaja: OpenJump develop and use
> Cc: Michaël Michaud
> Aihe: Re: [JPP-Devel] Unknown WKB type 0 and change coord_dimension
>
> Hi Michaël,
>
> I see it is not so easy to find this bug.
> I will make some other tests and let you know.
>
> But have you tried my test I have posted at 26.03.2013
> (PostGIS Layer invisible; Zoom To Full Extent)?
>
> ...
>
> I have a problem with Zoom To Full Extent
> with the new PostGIS reader!
> Using PostgreSQL 9.2.1 with PostGIS 2.0.
>
> I created two tables with SQL.
>
> This table (t_line) works fine:
>
> drop table if exists t_line;
> CREATE TABLE t_line ( lnr integer, geom geometry ( LINESTRING, 0 ) );
> INSERT INTO t_line VALUES
>     ( 1, ST_GeometryFromText ( 'LINESTRING ( 200.0 200.0, 250.0 230.0,
> 210.0 250.0 )', 0 ) );
> INSERT INTO t_line VALUES
>     ( 2, ST_GeometryFromText ( 'LINESTRING ( 100.0 100.0, 150.0 130.0,
> 110.0 150.0 )', 0 ) );
>
> SELECT * FROM t_line;
>
>
> This table (t_line_invis) is invisible after Zoom To Full Extent:
>
> drop table if exists t_line_invis;
> CREATE TABLE t_line_invis ( lnr integer, geom geometry ( LINESTRING, 0 ) );
> INSERT INTO t_line_invis VALUES
>     ( 1, ST_GeometryFromText ( 'LINESTRING ( 2000.0 2000.0, 2500.0 2300.0,
> 2100.0 2500.0 )', 0 ) );
> INSERT INTO t_line_invis VALUES
>     ( 2, ST_GeometryFromText ( 'LINESTRING ( 1000.0 1000.0, 1500.0 1300.0,
> 1100.0 1500.0 )', 0 ) );
>
> SELECT * FROM t_line_invis;
> ...
>
> Uwe
>
> Am 27.03.2013 19:36, schrieb Michaël Michaud:
>> Hi,
>>
>> I can't see the "WKB type 0" problem in the above sequence.
>> Is it solved or is it repeatable with another sequence.
>>
>>> No, I do not tested it with r3404+
>>> but I done the modification inside the source code.
>>>
>>> Now I test r3412.
>>> Do you made the modification in r3412?
>>>
>>> I see that the coord_dimension has changed from 2 to 3:
>>>
>>>
>>> 1. I open my project GeoCity with a .jml layer
>>> Wohngebiet.
>> Did you change the dataset ? (I used Gebaeudeprivat instead)
>>> 2. Saving this jml-layer to PostGIS.
>>> 3. Close OpenJUMP (important)!
>>> 4. Start OJ again and open the table Wohngebiet
>>> in PostGIS
>>> 5. No Such Element Exception
>>> and I see no geometries
>> I could not reproduce this today, but I have seen that before.
>> I have already tried to find a solution but it's a bit tricky.
>> I think we will have to live with it some time...
>>> 6. "Zoom To Full Extent" and I see the geometries.
>> As I told you, full extent of a database layer can contains too
>> many features for OpenJUMP, and I think it is more safe not
>> to do it automatically after the first import. If it is not down,
>> the layer may be empty (probably related to the No such
>> element exception though)
>>> 7. Now I load the table again and there is no more
>>> the error "No Such Element Exception".
>> And after the first "Zoom to extent", the driver extracts data
>> in a zone where there IS data.
>>> 8. Close OJ.
>>> 9. Start OJ and load the table Wohngebiet.
>>> 10. The error "No Such Element Exception" appears.
>>> 11. Set srid to 31467 to the layer Wohngebiet.
>>> 12. Save the PostGIS layer Wohngebiet under a new name wg31467.
>>> 13. The coord_dimension of wg31467 is not 2 but 3!
>> According to my tests and to the code the geometry coord dimension
>> should be 2, but there may be strange behaviour as the code tests a
>> few geometries and if it finds a single z, it save as a GeometryZ, otherwise
>> it should save as Geometry.
>> Is it possible that you edited a z on a geometry ?
>>> 14. Load the table wg31467 and there are no geometries!
>>> No errors and no geometries.
>> Cannot reproduce that.
>> Is it possible that you have moved and that your windows do not
>> intersects data anymore ?
>>
>> Michaël
>>>
>>> I hope you can reproduce this.
>>>
>>> Have a nice day
>>>
>>> Uwe
>>>
>>> ------------------------------------------------------------------------------
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>>
>>
>> ------------------------------------------------------------------------------
>> Own the Future-Intel® Level Up Game Demo Contest 2013
>> Rise to greatness in Intel's independent game demo contest.
>> Compete for recognition, cash, and the chance to get your game
>> on Steam. $5K grand prize plus 10 genre and skill prizes.
>> Submit your demo by 6/6/13. http://p.sf.net/sfu/intel_levelupd2d
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>>
>
> ------------------------------------------------------------------------------
> Own the Future-Intel® Level Up Game Demo Contest 2013
> Rise to greatness in Intel's independent game demo contest.
> Compete for recognition, cash, and the chance to get your game
> on Steam. $5K grand prize plus 10 genre and skill prizes.
> Submit your demo by 6/6/13. http://p.sf.net/sfu/intel_levelupd2d
> _______________________________________________
> Jump-pilot-devel mailing list
> Jump-pilot-devel@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel
>

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Compete for recognition, cash, and the chance to get your game 
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Submit your demo by 6/6/13. http://p.sf.net/sfu/intel_levelupd2d
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