[mapserver-users] Admin boundaries styling

[Frank Broniewski]

Yeah, that might be a solution. But I fear it might be mistaken as a
signature for railways, but at least this would make the lines appear
homogene.

thanks,
Frank

Am 2013-12-18 15:18, schrieb Brent Fraser:
> Frank,
> 
>   The best I've been able to do (with mapserv v5.6.5) is use two STYLE
> blocks, one to render a white line and the other to render the dash:
> 
>        STYLE
>          SYMBOL 0
>           WIDTH 2
>          OUTLINECOLOR 255 255 255
>        END
>        STYLE
>          SYMBOL 'dashed3'
>           WIDTH 2
>          OUTLINECOLOR 150 150 150
>        END
> 
> The white STYLE renders over top any existing dash pattern from an
> adjacent polygon.  I've tried to make the white transparent but didn't
> have any luck with that, but at least the grey dashes don't collide.
> 
> Best Regards,
> Brent Fraser
> 
> On 12/18/2013 3:37 AM, Frank Broniewski wrote:
> I came up with a similar solution - I imported the shapefile into
> GRASS and exported the boundaries again as shapefile, but your
> solution is easier to handle. But I really wish there would be a
> mapserver-only solution. I am hesitatant to create files for visual
> reasons only ...
> 
> Frank
> 
> Am 2013-12-18 11:22, schrieb Rahkonen Jukka:
>>>> Hi,
>>>>
>>>> Would it be acceptable to create a new dataset for rendering the
>>>> borders by converting polygons into linestrings and merging the
>>>> overlapping segments?  With OpenJUMP you cound do it with a single
>>>> operation Tools - Edit Geometry - Convert - Extract Segments.
>>>> Select option "Merge resulting segments" and you've done it.
>>>>
>>>> -Jukka Rahkonen-
>>>>
>>>> Frank Broniewski wrote:
>>>>
>>>>> Hi,
>>>>>
>>>>> I'm trying to get the styling right for administrative
>>>>> boundaries. The data source is a polygon shapefile with
>>>>> administrative boundaries of a certain level. I want to have a
>>>>> dashed line style to symbolize the boundary. The layer is used as
>>>>> TYPE LINE.
>>>>>
>>>>>
>>>>> The style I'm using:
>>>>>
>>>>> STYLE Color 100 100 100 Gap 4 Linecap butt Linejoin miter
>>>>> Linejoinmaxsize 3 Pattern 2 6 2 6 2 6 End Symbol "circle" Width
>>>>> 2 END
>>>>>
>>>>> Problem is that the pattern overlaps where a boundary is drawn
>>>>> more than once due to the shared nature of adjacent adminstrative
>>>>> units. Since the source is a shapefile there's no topology that
>>>>> would prevent the issue and my PostGis DB doesn't support that
>>>>> (yet)*. Here's a screenshot that displays the issue:
>>>>> http://www.geometrico.lu/devel/mapserver/boundary-styling.png As
>>>>> you can see the styling varies greatly. So - does anyone have a
>>>>> clue on how to get the styling right? It should look like in the
>>>>> lower right corner of the screenshot ...
>>>>>
>>>>> Many thanks,
>>>>>
>>>>> Frank
>>>>>
>>>>>
>>>>> * BTW: can Mapserver handle PostGIS topology geometry types?
>>>>>
>>>>>
>>>>> - -- Frank BRONIEWSKI
>>>>>
>>>>> METRICO s.à r.l. géomètres technologies d'information
>>>>> géographique rue des Romains 36 L-5433 NIEDERDONVEN
>>>>>
>>>>> tél.: +352 26 74 94 - 28 fax.: +352 26 74 94 99
>>>>> http://www.metrico.lu 

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> 
> 
> 
> 

-- 
Frank BRONIEWSKI

METRICO s.à r.l.
géomètres
technologies d'information géographique
rue des Romains 36
L-5433 NIEDERDONVEN

tél.: +352 26 74 94 - 28
fax.: +352 26 74 94 99
http://www.metrico.lu