[mapserver-users] The order of Classes in A Layer

[ibrahim saricicek]

Hi List,

Thanks a lot it works...

On Wed, Oct 20, 2010 at 5:50 PM, Fawcett, David (MPCA) <
David.Fawcett at state.mn.us> wrote:

> You could try putting an ORDER BY in your PostGIS layer definition to order
> it by area descending.
>
> David.
>
> -----Original Message-----
> From: mapserver-users-bounces at lists.osgeo.org [mailto:
> mapserver-users-bounces at lists.osgeo.org] On Behalf Of Ibrahim Saricicek
> Sent: Wednesday, October 20, 2010 9:47 AM
> To: mapserver-users at lists.osgeo.org
> Subject: [mapserver-users] The order of Classes in A Layer
>
>
> Hi List,
>
> I have several polygons in a postgis table. Some bigger polygons cover the
> smaller ones.
> How can I prevent bigger polygons drawn on smaller ones? On this case
> smaller ones cant be seen only labels are drawn.
>
> I don't know the problem is about drawing order but I think so.
> As you can see on the screenshots, the small polygons can be seen but when
> I
> zoom in some of them can't be drawn.
> The images are purple because a bigger one covers all...
>
> Thanks in advance..
>
> http://osgeo-org.1803224.n2.nabble.com/file/n5655194/zoomOut.png
> http://osgeo-org.1803224.n2.nabble.com/file/n5655194/zoomIn.png
>
> And this is my class definition;
> The bigger and smaller objects are in different visibility ranges and
> different classes!!!
>
>  CLASS
>                        EXPRESSION ('[visibility_range]' = '1000-5000')
>                        MAXSCALEDENOM 5000
>                        MINSCALEDENOM 1000
>                        NAME "GID_S"
>                        STYLE
>                                COLOR [color]
>                        END
>                        STYLE
>                                OUTLINECOLOR 20 20 20
>                                WIDTH 3
>                        END
>                        LABEL
>                                COLOR 0 0 0
>                                FONT arial
>                                TYPE truetype
>                                SIZE 8
>                                POSITION LC
>                                PARTIALS FALSE
>                                BUFFER 5
>                                OUTLINECOLOR 255 255 255
>                        END
>                END
> --
> View this message in context:
> http://osgeo-org.1803224.n2.nabble.com/The-order-of-Classes-in-A-Layer-tp5655194p5655194.html
> Sent from the Mapserver - User mailing list archive at Nabble.com.
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>
>
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