[mapserver-users] symbol circle (ellipse) rendered not round but oval

[Oliver Christen]

Hi Thomas :)

thanks for the answer, but sadely it didnt solve my problem:

here are a few tests I did:

using GAP 20 gave me really weird result:
http://dev.camptocamp.com/~ochriste/tilecache6_gap_20.png

using PATTERN 1 22 END gave me better result, but the dot are still slightly oval:
http://dev.camptocamp.com/~ochriste/tilecache7_pattern.png

I wondered if the visual effect may have come from the fact im pilling up two circle one over the other, but even when trying to display only the outer or inner circles, the circle are still slightly off:
http://dev.camptocamp.com/~ochriste/tilecache4_outercircle.png
http://dev.camptocamp.com/~ochriste/tilecache5_innercircle.png
(both at once http://dev.camptocamp.com/~ochriste/tilecache3_bothcircle.png)

any other idea? ^_^
  ----- Original Message ----- 
  From: thomas bonfort 
  To: Oliver Christen 
  Cc: mapserver-users at lists.osgeo.org 
  Sent: Tuesday, January 12, 2010 3:18 PM
  Subject: Re: [mapserver-users] symbol circle (ellipse) rendered not round but oval


  hi Oliver :)

  try with GAP 20 instead of STYLE 1 20 END (which is deprecated btw, use PATTERN now)

  cheers,
  thomas


  On Tue, Jan 12, 2010 at 15:04, Oliver Christen <oliver.christen at camptocamp.com> wrote:

    hello

    I have a weird problem with symbology.
    Im rendering a line with dots, but the dots are not round but slightly oval, see image http://dev.camptocamp.com/~ochriste/tilecache.png

    Any idea what could be the cause ?

    Here is my symbol definition:

    SYMBOL
     NAME "linie-gepunkt10"
     TYPE ELLIPSE
     POINTS
      1 1
     END
     STYLE
      1 20
     END
     FILLED TRUE
    END

    and my layer's class definition:

     CLASS
      EXPRESSION "3"
      MAXSCALEDENOM 200001
      STYLE
        SYMBOL "linie-gepunkt10"
        SIZE 10
        COLOR 102 51 0
      END
      STYLE
        SYMBOL "linie-gepunkt10"
        SIZE 8
        COLOR 204 102 0
      END
     END

    and the map outputformat:

    OUTPUTFORMAT
     NAME png
     DRIVER "AGG/PNG"
     MIMETYPE "image/png"
     IMAGEMODE RGBA
     EXTENSION "png"
     FORMATOPTION "INTERLACE=OFF"
    END 
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