[mapserver-users] Angle Follow will accept only simple linestring don't MultiLinestring ?

[thomas bonfort]

why the double label? they seem to be the same, but in any case
multiple labels are not supported for FOLLOW.

On 13 August 2013 18:08, Andrea Peri <aperi2007 at gmail.com> wrote:
> I'm using spatialite 4.1.1,
> so use ogr to access the db.
>
>   LAYER
>     NAME "rt_topogr.50k.etichette.topon_idro_50k"
>     STATUS OFF
>     EXTENT 1554750.74 4678325.52 1771722.76 4924791.90
>     TYPE LINE
>     CONNECTIONTYPE OGR
>     CONNECTION "/path-to-spatialite/zz_topografica.sqlite"
>     DATA "select PK_UID_2, TOPO_OK, GEOMETRY from topon_idro_50k"
>     PROJECTION
>       "+init=epsg:3003 +towgs84=0,0,0,0,0,0,0"
>     END
>     METADATA
>       "wms_title" "topon_idro_50k"
>       "wms_extent" "1554750.74 4678325.52 1771722.76 4924791.90"
>     END
>     LABELCACHE ON
>     MAXSCALEDENOM 60100
>     MINSCALEDENOM 1
>     CLASS
>       NAME ''
>       MAXSCALEDENOM 60100
>       MINSCALEDENOM 1
>       LABEL
>         TEXT '[TOPO_OK]'
>         COLOR 0 85 255
>         OUTLINECOLOR 212 255 255
>         OUTLINEWIDTH 1
>         MAXSCALEDENOM 60100
>         MINSCALEDENOM 40100
>         FONT "LiberationSans-Regular"
>         TYPE truetype
>         SIZE 7
>         ANGLE FOLLOW
>         OFFSET 15 99
>         POSITION auto
>         PRIORITY 10
>         MAXOVERLAPANGLE 180.0
>         BUFFER 1
>         FORCE OFF
>         PARTIALS FALSE
>         MINDISTANCE 200
>       END
>       LABEL
>         TEXT '[TOPO_OK]'
>         COLOR 0 85 255
>         OUTLINECOLOR 212 255 255
>         OUTLINEWIDTH 1
>         MAXSCALEDENOM 40100
>         MINSCALEDENOM 1
>         FONT "LiberationSans-Regular"
>         TYPE truetype
>         SIZE 9
>         ANGLE FOLLOW
>         OFFSET 15 99
>         POSITION auto
>         PRIORITY 10
>         MAXOVERLAPANGLE 180.0
>         BUFFER 1
>         FORCE OFF
>         PARTIALS FALSE
>         MINDISTANCE 200
>       END
>     END
>   END
>
>
>
>
> 2013/8/13 thomas bonfort <thomas.bonfort at gmail.com>
>>
>> there's something strange in your error message... the
>> singleSidedBuffer stuff is in GEOS, and should have nothing to do in
>> msOGRFileNextShape. post your whole mapfile layer.
>>
>> On 13 August 2013 17:42, Andrea Peri <aperi2007 at gmail.com> wrote:
>> > Hi,
>> >
>> > I tested trasforming the multilinestring dataset in a linestring dataset
>> > but
>> > the error is still here.
>> >
>> > msDrawMap(): Image handling error. Failed to draw layer named
>> > 'rt_topogr.50k.etichette.topon_idro_50k'.
>> >
>> > msOGRFileNextShape(): OGR error. IllegalArgumentException:
>> > BufferBuilder::bufferLineSingleSided only accept linestrings
>> >
>> > So it is not really due to a multilinestring vs linestring question.
>> >
>> > The quest carry on.
>> >
>> >
>> >
>> > 2013/8/13 Andrea Peri <aperi2007 at gmail.com>
>> >>
>> >> Hi,
>> >>
>> >> Try.ing to set a label on a MULTILINESTRING dataset.
>> >>
>> >> I set a label with Follow capability.
>> >>
>> >>         ANGLE FOLLOW
>> >>
>> >> But I'm having this error:
>> >>
>> >>  msOGRFileNextShape(): OGR error. IllegalArgumentException:
>> >> BufferBuilder::bufferLineSingleSided only accept linestrings
>> >>
>> >> Is the Follow compatible with a MultiLinestring dataset or need only
>> >> simple linestrings ?
>> >>
>> >> Thx,
>> >>
>> >> --
>> >> -----------------
>> >> Andrea Peri
>> >> . . . . . . . . .
>> >> qwerty àèìòù
>> >> -----------------
>> >
>> >
>> >
>> >
>> > --
>> > -----------------
>> > Andrea Peri
>> > . . . . . . . . .
>> > qwerty àèìòù
>> > -----------------
>> >
>> > _______________________________________________
>> > mapserver-users mailing list
>> > mapserver-users at lists.osgeo.org
>> > http://lists.osgeo.org/mailman/listinfo/mapserver-users
>> >
>
>
>
>
> --
> -----------------
> Andrea Peri
> . . . . . . . . .
> qwerty àèìòù
> -----------------