[mapserver-users] Multiline string error

Rahkonen Jukka (Tike) jukka.rahkonen at mmmtike.fi
Thu Aug 14 07:51:03 PDT 2014


Hi,

This was fun, I had never tried anything like this before.

Works for me on Windows with a week old Mapserver build from gisinternals. Big thanks for Tamas for the builds by the way.

-Jukka-

> -----Alkuperäinen viesti-----
> Lähettäjä: mapserver-users-bounces at lists.osgeo.org [mailto:mapserver-users-
> bounces at lists.osgeo.org] Puolesta Lime, Steve D (MNIT)
> Lähetetty: 14. elokuuta 2014 17:40
> Vastaanottaja: Ian Walberg; mapserver-users at lists.osgeo.org; mapserver-
> dev at lists.osgeo.org
> Aihe: Re: [mapserver-users] Multiline string error
> 
> One quick thing to do would be to take OGR out of the mix. Just set up a mapfile
> with the feature in question as a WKT inline feature. Something like:
> 
> LAYER
>   NAME 'badwkt'
>   TYPE LINE
>   STATUS DEFAULT
>   FEATURE
>     WKT ' MULTILINESTRING ((-110.220980 38.982832, -110.220887 38.982863, -
> 110.221614 38.982708, -110.220980 38.982832),(-110.220980 38.982832, -
> 110.220887 38.982863, -110.221614 38.982708, -110.220980 38.982832))'
>   END
>   CLASS
>     STYLE COLOR 0 0 0 END
>   END
> END
> 
> Then try to draw... If this fails then it's a MapServer issue.
> 
> Steve
> 
> -----Original Message-----
> From: Ian Walberg [mailto:ian.walberg at airborne.aero]
> Sent: Wednesday, August 13, 2014 9:38 PM
> To: Lime, Steve D (MNIT); mapserver-users at lists.osgeo.org; mapserver-
> dev at lists.osgeo.org
> Subject: RE: Multiline string error
> 
> Steve,
> 
> Version 6.4.1 built on the same machine with the same settings does not have
> the issue.
> 
> Regards
> 
> Ian
> 
> -----Original Message-----
> From: Ian Walberg
> Sent: Wednesday, August 13, 2014 3:43 PM
> To: 'Lime, Steve D (MNIT)'; 'mapserver-users at lists.osgeo.org'; 'mapserver-
> dev at lists.osgeo.org'
> Subject: RE: Multiline string error
> 
> Steve,
> 
> We will add some debug to the OGR read later today or tomorrow.
> 
> How do I turn on the maximum debug?
> 
> Thanks
> 
> Ian
> 
> -----Original Message-----
> From: Ian Walberg
> Sent: Wednesday, August 13, 2014 3:20 PM
> To: 'Lime, Steve D (MNIT)'; mapserver-users at lists.osgeo.org; mapserver-
> dev at lists.osgeo.org
> Subject: RE: Multiline string error
> 
> Steve,
> 
> OGR connection to SQLITE DB.
> 
> Regards
> 
> Ian
> 
> -----Original Message-----
> From: Lime, Steve D (MNIT) [mailto:Steve.Lime at state.mn.us]
> Sent: Wednesday, August 13, 2014 8:46 AM
> To: Ian Walberg; mapserver-users at lists.osgeo.org; mapserver-
> dev at lists.osgeo.org
> Subject: RE: Multiline string error
> 
> How are you submitting the WKT to MapServer? Is it via MapScript, via inline
> features or some other mechanism?
> 
> Steve
> 
> -----Original Message-----
> From: mapserver-dev-bounces at lists.osgeo.org [mailto:mapserver-dev-
> bounces at lists.osgeo.org] On Behalf Of Ian Walberg
> Sent: Wednesday, August 13, 2014 10:01 AM
> To: mapserver-users at lists.osgeo.org; mapserver-dev at lists.osgeo.org
> Subject: Re: [mapserver-dev] Multiline string error
> 
> Devs,
> 
> The MULTILINE string below gives the following in mapprimitive.c and then as
> the first shape has 0 points the msSmallMalloc fails as the size passed to it is -8.
> 
> [Wed Aug 13 07:55:10 2014].618971 Shape contains 2 parts.
> [Wed Aug 13 07:55:10 2014].618987       Part 0 contains 0 points.
> [Wed Aug 13 07:55:10 2014].619001       Part 1 contains 3 points.
> [Wed Aug 13 07:55:10 2014].619016               0: (882.383078, 511.333078)
> [Wed Aug 13 07:55:10 2014].619032               1: (825.909890, 260.048026)
> [Wed Aug 13 07:55:10 2014].619049               2: (882.383078, 511.333078)
> 
> Any clues what we should look at next?
> 
> This same source data file and layer work with older versions of mapserver 6.
> 
> Thanks
> 
> Ian
> 
> -----Original Message-----
> From: mapserver-users-bounces at lists.osgeo.org [mailto:mapserver-users-
> bounces at lists.osgeo.org] On Behalf Of Ian Walberg
> Sent: Monday, August 11, 2014 3:53 PM
> To: mapserver-users at lists.osgeo.org; mapserver-dev at lists.osgeo.org
> Subject: [mapserver-users] Multiline string error
> 
> Folks,
> 
> With Mapserver 6.5-dev from git and GDAL 1.9.1 the line below either does not
> draw or causes mapserv to error and not render an image without an error
> message.
> 
> MULTILINESTRING ((-110.220980 38.982832, -110.220887 38.982863, -
> 110.221614 38.982708, -110.220980 38.982832),(-110.220980 38.982832, -
> 110.220887 38.982863, -110.221614 38.982708, -110.220980 38.982832))
> 
> Changing the final digit on either of the first or last lats/longs and it draws ok!
> 
> Any ideas?
> 
> Thanks
> 
> Ian
> 
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