Hi,

Why not to offer a really cutting edge Spatialite support with OpenJUMP? 
Dowload sizes are not at all huge 

- jts 1.4 snapshot - no extra
- sqlite-jdbc-3.8.0-20130827.035027-1.jar  - 3.5 MB
- spatialite-4.2.0-test-win-x86 (native Spatialite dlls for Win-32) 2.5 MB 
zipped
- spatialite-4.2.0-test-win-amd64 (native Spatialite dlls for Win-32) 2.6 MB 
zipped

All these are not offially available with any other GIS program so we could 
stand on a peak for a while. Packages take only 9 MB extra space when zipped 
and under 40 MB after unzipping the dll files. I have made tests with 32-bit 
and 64-bit Windows. Both the pure java blob reading and advanced Spatialite 
stuff seems to work OK. For testing with spatialite dlls I placed the all the 
dll files into lib\ext and added the following string into spatialite connection
?spatialite=spatialite.dll

Ede may know how to install the native 32/64 bit stuff so that right version 
will be selected and that the spatialite.dll finds right versions of the 
dependencies.

About real spatialite support for Linux and Mac, I have no idea about how to do 
that. It looks like 80% of OJ downloads are for Windows so perhaps it would be 
acceptable to support only Windows at first. The download links for the Windows 
binaries can be found from document
http://www.gaia-gis.it/gaia-sins/spatialite-cookbook/html/java.html

I guess that there will be stable packages soon but today the download links 
are 
http://www.gaia-gis.it/gaia-sins/spatialite-4.2.0-test-win-x86.7z
http://www.gaia-gis.it/gaia-sins/spatialite-4.2.0-test-win-amd64.7z

The speed is really good.  On a 64-bit laptop the direct blob reader gets 
500000 OpenStreetMap multipolygons in 4 seconds, and reading the same polygons 
reprojected to other SRS with Spatialite binaries takes 34 seconds.

-Jukka-

________________________________________
Lähettäjä: edgar.sol...@web.de [edgar.sol...@web.de]
Lähetetty: 25. joulukuuta 2013 12:25
Vastaanottaja: OpenJump develop and use
Aihe: Re: [JPP-Devel] OJ 1.7, DB Query, Spatialite and JTS

Jukka & all,

would you like to see the SQLite jdbc driver part of DBQuery extension or 
rather download it separately for sake of small distro size?

..ede

On 24.12.2013 23:37, Rahkonen Jukka wrote:
> Hi,
>
> To be best compatible with the next version of Spatialite native binaries it 
> would be good to use a jdbc driver for SQLite version 3.8. A snapshot is 
> available at
> https://oss.sonatype.org/content/repositories/snapshots/org/xerial/sqlite-jdbc/3.8.0-SNAPSHOT/sqlite-jdbc-3.8.0-20130827.035027-1.jar
>
> SQlite 3.7.x will work fine for direct reading of Spatialite blobs but 3.8.x 
> version is needed for loading the next version of Spatialite as an extension.
> http://www.gaia-gis.it/gaia-sins/spatialite-cookbook/html/java.html
>
> -Jukka Rahkonen-
> ________________________________________
> edgar soldin wrote:
>
>> i would make including sqlite jar depending on how your extension handles 
>> it. meaning, we actually package your extension, so if it is included in 
>> there it'll end up in OJ, if not you hopefully have it documented in a 
>> readme or such ;)
>
> ..ede
>
> On 24.12.2013 16:33, Larry Reeder wrote:
>> Hey Ede,
>>
>> I tested with OpenJUMP-20131224-r3854-PLUS (jar installer, installing on 
>> Linux), and it didn't work initially due to missing sqlite JDBC jars.   I 
>> added the jdbc jar to the classpath (put it in lib/ext/jumpdbquery-0.9.0) 
>> and multigeometries worked great.   If you want to add SQLite JDBC drivers 
>> to the OpenJump package, you can download them here:  
>> https://bitbucket.org/xerial/sqlite-jdbc/downloads.   Alternatively, the 
>> maven pom dependency entry is:
>>
>> <dependencies>
>>     <dependency>
>>       <groupId>org.xerial</groupId>
>>       <artifactId>sqlite-jdbc</artifactId>
>>       <version>3.7.2</version>
>>     </dependency>
>> </dependencies>
>>
>>
>>
>> I tested on Linux with both sqlite-jdbc-3.7.2.jar  and the more recent 
>> sqlite-jdbc-3.7.15-M1.jar.
>>
>> I think we discussed this previously, but theSQLite jars are Apache 2.0 
>> licensed, so should be suitable for repackaging with OpenJump.
>>
>> Thanks...........                 lreeder
>>
>>
>> On Tue, Dec 24, 2013 at 3:23 AM, <edgar.sol...@web.de 
>> <mailto:edgar.sol...@web.de>> wrote:
>>
>>     Larry, Jukka,
>>
>>     i just committed jts 1.14 snapshot to OJ trunk. could one of you please 
>> check if the spatialite multigeometry bug has vanished finally?
>>
>>     happy holidays.. ede
>>
>>
>>     On 23.12.2013 04 <tel:23.12.2013%2004>:40, Martin Davis wrote:
>>     > Thanks, Larry.  Patch is commited.
>>     >
>>     > Martin
>>     >
>>     >
>>     > On Sun, Dec 22, 2013 at 9:22 AM, Larry Reeder <lnree...@gmail.com 
>> <mailto:lnree...@gmail.com> <mailto:lnree...@gmail.com 
>> <mailto:lnree...@gmail.com>>> wrote:
>>     >
>>     >     Martin,   I've attached a patch for WKBReader that uses the 
>> initial endian flag for multigeometries and ignores the flag for contained 
>> geometries if the endianness flag is something besides the XDR/NDR flags.  
>> The patch also includes a test case that use multigeometries exported from 
>> the Spatialite internal BLOB format.
>>     >
>>     >     The patch was made against a recent checkout of JTS 1.14 from the 
>> Sourceforge SVN.   Can you apply to the JTS trunk? Let me know if you'd like 
>> me to submit it in some other way.
>>     >
>>     >     Thanks...........              lreeder
>>     >
>>     >
>>     >
>>     >
>>     >     On Mon, Dec 2, 2013 at 4:12 PM, Martin Davis <mtncl...@gmail.com 
>> <mailto:mtncl...@gmail.com> <mailto:mtncl...@gmail.com 
>> <mailto:mtncl...@gmail.com>>> wrote:
>>     >
>>     >         That strategy still makes sense to me.
>>     >
>>     >         M
>>     >
>>     >
>>     >         On Mon, Dec 2, 2013 at 2:51 PM, Larry Reeder 
>> <lnree...@gmail.com <mailto:lnree...@gmail.com> <mailto:lnree...@gmail.com 
>> <mailto:lnree...@gmail.com>>> wrote:
>>     >
>>     >             Now that cold is here, I've got  more time to stay indoors 
>> and code.  I'm willing to submit a JTS patch with sample data and unit tests.
>>     >
>>     >             Martin, in implementing the patch, I will be following the 
>> guidance in your suggestion on April 21, 2013:
>>     >
>>     >             " The WKBReader can be changed to only switch endianess 
>> when
>>     >             the code is one of the two specified in the standard (0 = 
>> BigEndian, 1 =
>>     >             LittleEndian). If any other code is read then the 
>> endianess will be left
>>     >             unchanged.  That should handle the SpatialLite BLOB 
>> format, right? And
>>     >             it avoids any explicit dependency on magic numbers from 
>> SpatialLite.
>>     >             And it still allows switching endianness mid-WKB, as per 
>> the standard,
>>     >             should anyone be so perverse as to do that."
>>     >
>>     >             Let me know if you see any problems there.
>>     >
>>     >             Thanks...........               lreeder
>>     >
>>     >
>>     >             On Mon, Dec 2, 2013 at 3:39 PM, Martin Davis 
>> <mtncl...@gmail.com <mailto:mtncl...@gmail.com> <mailto:mtncl...@gmail.com 
>> <mailto:mtncl...@gmail.com>>> wrote:
>>     >
>>     >                 I have very little time to look at this by year-end, 
>> I'm afraid.
>>     >
>>     >                 Did someone have code to commit for fixing this?  
>> (with sample data for unit tests) ?
>>     >
>>     >
>>     >
>>     >
>>     >                 On Mon, Dec 2, 2013 at 1:30 PM, <edgar.sol...@web.de 
>> <mailto:edgar.sol...@web.de> <mailto:edgar.sol...@web.de 
>> <mailto:edgar.sol...@web.de>>> wrote:
>>     >
>>     >                     On 02.12.2013 22:11, Rahkonen Jukka wrote:
>>     >                     > Hi,
>>     >                     >
>>     >                     > We have many exciting new features and I suppose 
>> we will have a great new OpenJUMP 1.7 rather soon. It would be excellent to 
>> have a well working Spatialite support in OJ 1.7 Plus through DB Query 
>> plugin, but the issue with reading multigeometries remains [1]. Martin 
>> almost promised to make a fix into JTS [2] but  I do not see such a commit 
>> in the JTS code [3]. The best I can hope to happen is to get the fix into 
>> the new BSD/EPL licensed JTS release [4] but perhaps Martin is busy with 
>> other things and that will not happen.
>>     >                     >
>>     >                     > Do we have other alternatives for making the DB 
>> Query plugin to work well with Spatialite on current OJ than flipping in the 
>> old JTS version when Spatialite support is on a wishlist? Taking an old 
>> jts-1.12.jar and renaming it into jts-1.13.jar makes the plugin happy but 
>> probably breaks some cool new stuff and is thus a poor workaround.
>>     >                     >
>>     >                     > [1] 
>> http://sourceforge.net/p/jts-topo-suite/bugs/36/
>>     >                     > [2] 
>> http://sourceforge.net/p/jts-topo-suite/mailman/message/31118630/
>>     >                     > [3] 
>> http://sourceforge.net/p/jts-topo-suite/code/commit_browser
>>     >                     > [4] 
>> http://sourceforge.net/p/jts-topo-suite/mailman/message/31422827/
>>     >                     >
>>     >
>>     >                     i already proposed an alternative,
>>     >                     
>> http://comments.gmane.org/gmane.comp.java.jts.topo-suite.user/6
>>     >
>>     >                     but Larry wanted to wait for Martin..
>>     >                     @Larry, Martin: what's your take on this nearing 
>> the end of this year?
>>     >
>>     >                     ..ede
>>     >
>>     >
>>     >
>>     >
>>     >
>>     >
>>
>>     
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