[mapserver-users] Rendering of adjacent dashed lines

[Rahkonen Jukka (MML)]

Hi,

The only method that really works is to remove adjacent lines. Your trick seems to be the same as this https://knowledge.autodesk.com/support/autocad-map-3d/troubleshooting/caas/sfdcarticles/sfdcarticles/Using-a-dashed-line-symbol-with-adjacent-polygons-masking.html
but they used a wider white line. However, it feels usable only if the background is also white and there are no lines very close to each other.

-Jukka Rahkonen-


Ziegler Stefan wrote:

> Hi 

> I'm trying to render some lines with a pattern. This works and looks great as long as the lines are not adjacent. When the lines share a common border the dashed lines may look ugly since one dashed line is rendered on top of the other rendered dashed line. I tried to add a white solid line under the dashed line:

    CLASS
      STYLE
        COLOR 255 255 255 
        WIDTH 2
        LINECAP BUTT
      END              
      STYLE
        COLOR 0 0 0
        WIDTH 2
        LINECAP BUTT
        PATTERN 20 4 2 4 2 4 END        
      END  
    END


But the behaviour is still the same. Is there a trick/workaround for this? I'm using MapServer 7.0.1.

Best regards
Stefan Ziegler



Freundliche Grüsse 
Stefan Ziegler 
Kantonsgeometer / Leiter Amt für Geoinformation

Amt für Geoinformation
Rötistrasse 4 
4500 Solothurn 

Telefon +41 32 627 75 96
Telefax +41 32 627 75 98 
stefan.ziegler at bd.so.ch
http://www.so.ch 

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