[Geomoose-users] switch layer at a particular zoom level?

Christopher Hughes chughes at co.lincoln.or.us
Thu Oct 24 08:30:28 PDT 2019


You can set scales in the MAPFILE for a particular layer. See a contours
example below (pardon the formatting).
We have a separate 10ft contours data set with MINSCALE 0 and MAXSCALE 1000
so one turns on when the other turns off:


LAYER
      NAME "Contours"
      DATA "./lincdata/elev40"
      STATUS on
      MINSCALE 1000
      MAXSCALE 8000
      TYPE LINE
      LABELITEM "contour"
      CLASS
         NAME "40 Foot Contours"
         STYLE
         pattern 40 6 6 6 6 end
        width 1
        COLOR 190 190 190
      END
       LABEL
         TYPE TrueType
         FONT "arial"
         SIZE 8.25
         COLOR 170 170 170
         OUTLINEWIDTH 1
         POSITION auto
         PARTIALS false
         BUFFER 1
         ANGLE auto
       END
  END
END


Best,

Chris Hughes

GIS Analyst
Lincoln County

On Thu, Oct 24, 2019 at 8:22 AM Mark Volz <MarkVolz at co.lyon.mn.us> wrote:

> Hello,
>
>
>
> Is it possible to have GeoMOOSE 2.x switch between two sources at a
> particular zoom level?  As a user zooms into the map, I would like to
> switch between a political map and an air photo map.  Unfortunatly I am not
> sure which tags I should use to do this, and where I should add the tags.
> My best guess is that I will need to add the max and min scales at the map
> source level, but please correct me if I am wrong.
>
>
>
>
>
> For example can we set the scale at the map source level?
>
> <map-source name="StandardBackgroundWMS" type="wms" reference="false"
> tiled="true" width="256" height="256" buffer="false"
> transition_Effect="resize" maxscale = 50000>
>
> <map-source name=”PoliticalMapWMS” type="wms" reference="false"
> tiled="true" width="256" height="256" buffer="false"
> transition_Effect="resize" minscale = 50001>
>
>
>
> <layer title="Standard Background" src="PoliticalMapWMS/PoliticalMap:
> WMSServer/AirPhotoBackground " status="on" legend="false"
> show-legend="false" identify="false"/>
>
>
>
> Thanks!
>
>
>
> Sincerely,
>
> *Mark Volz, GISP*
>
>
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> Geomoose-users at lists.osgeo.org
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-- 
Chris Hughes

GIS Analyst
Lincoln County Surveyor Department
880 NE 7th St. l Newport, OR 97365
Tel: (541) 574 1283
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