[mapserver-users] Mapscript shapeObj->toWKt() orms_shapeObjfromWkt problem.

Steve Lime Steve.Lime at dnr.state.mn.us
Thu Apr 2 13:05:52 PDT 2009


Will look at getting the patch into 5.4 before the first release candidate.

Steve

>>> On 4/1/2009 at 3:54 PM, in message <C5F93ECA.1B49C%pmoen at nd.gov>, "Moen, Paul
T." <pmoen at nd.gov> wrote:
> I changed my Geos to version 3.0.3 and the error changed from "Segmentation 
> fault" to "Bus error".
> I also looked at the ticket Assefa indicated below and am wondering if that 
> was related to the buffer or to the same problem I am having?  The script I 
> am having problems does nothing more than create a new shape object from a 
> wkt and then re-output the wkt from the shape object.  The object seems to be 
> created fine, because I can get the number of lines with $drawnShp->numlines.  
> I can also create a new shape object with the other shape object constructer 
> as follows and the output works.
> 
> <?php
>     dl('php_mapscript.so');
>     $drawnShp = ms_newShapeObj(MS_SHAPE_POLYGON);
>     $line = ms_newLineObj();
>     $line->addXY(1207657,478875);
>     $line->addXY(1208230,478275);
>     $line->addXY(1207452,477811);
>     $line->addXY(1207043,478520);
>     $line->addXY(1207657,478875);
>     $drawnShp->add($line);
>     error_log($drawnShp->numlines);
>     error_log($drawnShp->towkt());
> ?>
> 
> Is this specifically a problem with Geos 3.1 and the function 
> ms_shapeObjFromWkt()?  Which version of Mapserver will have the patch in 
> ticket 2929?
> 
> Thanks,
> 
> Paul
> 
> On 4/1/09 12:33 PM, "Yewondwossen Assefa" <yassefa at dmsolutions.ca> wrote:
> 
> Not helping here but I have tested your script on windows with Mapserver
>   5.2.2 and 5.4 and the script runs ok. The geos version used in this
> case is geos 2.2.3. Do you know what version of geos you are using?
> There was a recent fix done toward geos support in MapServer and the
> problem from what I remember was occurring with geos 3.1 (Is that
> correct Tom ?)
> 
>   (http://trac.osgeo.org/mapserver/ticket/2929 
> 
> Best Regards
> 
> Moen, Paul T. wrote:
>> I get a segmentation fault when I run the following simple script with
>> PHP MapScript on Mac OSX 10.5.6 running the latest versions from
>> www.kyngchaos.com 
>>
>> #!/usr/local/php5cgi/bin/php -q
>> <?php
>>     dl('php_mapscript.so');
>>     $newwkt = 'MULTIPOLYGON(((1207657 478875,1208230 478275,1207452
>> 477811,1207043 478520,1207657 478875)))';
>>     $drawnShp = ms_shapeObjFromWkt($newwkt);
>>     echo $drawnShp->toWKT();
>> ?>
>>
>> /Library/WebServer/CGI-Executables/mapserv -v
>> MapServer version 5.2.2 OUTPUT=GIF OUTPUT=PNG OUTPUT=JPEG OUTPUT=WBMP
>> OUTPUT=SWF OUTPUT=SVG SUPPORTS=PROJ SUPPORTS=AGG SUPPORTS=FREETYPE
>> SUPPORTS=ICONV SUPPORTS=WMS_SERVER SUPPORTS=WMS_CLIENT
>> SUPPORTS=WFS_SERVER SUPPORTS=WFS_CLIENT SUPPORTS=WCS_SERVER
>> SUPPORTS=SOS_SERVER SUPPORTS=GEOS INPUT=EPPL7 INPUT=POSTGIS INPUT=OGR
>> INPUT=GDAL INPUT=SHAPEFILE
>>
>> The only output is;
>> Segmentation fault
>>
>> The php version is 5.2.9 and the same thing happens with php versions
>> 5.2.8, 5.2.5.
>>
>> *MapServer Version    *MapServer version 5.2.2 OUTPUT=GIF OUTPUT=PNG
>> OUTPUT=JPEG OUTPUT=WBMP OUTPUT=SWF OUTPUT=SVG SUPPORTS=PROJ SUPPORTS=AGG
>> SUPPORTS=FREETYPE SUPPORTS=ICONV SUPPORTS=WMS_SERVER SUPPORTS=WMS_CLIENT
>> SUPPORTS=WFS_SERVER SUPPORTS=WFS_CLIENT SUPPORTS=WCS_SERVER
>> SUPPORTS=SOS_SERVER SUPPORTS=GEOS INPUT=EPPL7 INPUT=POSTGIS INPUT=OGR
>> INPUT=GDAL INPUT=SHAPEFILE
>> *PHP MapScript Version    *($Revision: 7937 $ $Date: 2008-09-30 07:37:46
>> -0700 (Tue, 30 Sep 2008) $)
>>
>>
>> Anybody else run into this this error?  How do I get more debug information?
>>
>>
>> Thanks,
>>
>> Paul
>>
>>
>> ------------------------------------------------------------------------
>>
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>> mapserver-users mailing list
>> mapserver-users at lists.osgeo.org 
>> http://lists.osgeo.org/mailman/listinfo/mapserver-users 
> 
> 
> --
> ----------------------------------------------------------------
> Assefa Yewondwossen
> Software Analyst
> 
> Email: assefa at dmsolutions.ca 
> http://www.dmsolutions.ca/ 
> 
> Phone: (613) 565-5056 (ext 14)
> Fax:   (613) 565-0925
> ----------------------------------------------------------------



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