[mapserver-users] displaying line starting and ending points

[thomas bonfort]

a couple of links:

http://trac.osgeo.org/mapserver/browser/trunk/msautotest/misc/rfc48.map
http://trac.osgeo.org/mapserver/browser/trunk/msautotest/misc/expected/rfc48.png


On Wed, Dec 10, 2008 at 16:02, thomas bonfort <thomas.bonfort at gmail.com> wrote:
> rfc48 has just entered the mapserver trunk, and will be present in 5.4
>
> to apply a style block to just the start point, you'd use something like
>
> STYLE
>  GEOMTRANSFORM "start"
>  SYMBOL "mysymbol"
>  SIZE ....
>  ANGLE AUTO #to orient the symbol along the first segment
> END
>
> you also get the "end" and "vertices" geomtransform to apply the style
> to last or intermediate points of the line.
>
> cheers,
> thomas
>
> On Wed, Dec 10, 2008 at 15:44, José María Michia
> <jose.maria.michia at gmail.com> wrote:
>> Hello,
>>
>> 2008/12/10 Raivo Alla <snaperski at gmail.com>:
>>> Hello,
>>>
>>> I have a question concerning how to draw starting and ending points of
>>> line features.
>>> One option is to create a separate points layer in ArcGIS, where all
>>> the starting and ending points of lines are in.
>>> But is' t there some better solution or workaround how to get things done ?
>>
>> Using "Postgis" as data store, let you get the start and end points
>> from line geometry with something like:
>>
>> DATA "geom from (SELECT oid,StartPoint(the_geom) FROM line_layer) as
>> foo using unique oid using SRID=-1"
>>
>> And for end points:
>>
>> DATA "geom from (SELECT oid,EndPoint(the_geom) FROM line_layer) as foo
>> using unique oid using SRID=-1"
>>
>> See:
>>
>> http://postgis.refractions.net/documentation/manual-1.3/ch06.html#id2572496
>>
>> I do not know ArcGIS. Maybe there is something similar to this.
>>
>> Saludos
>> José María
>>
>>>
>>>
>>> Humbly yours,
>>> Raivo
>>> _______________________________________________
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>>> mapserver-users at lists.osgeo.org
>>> http://lists.osgeo.org/mailman/listinfo/mapserver-users
>>>
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>