[MapServer-users] Layer is opaque

[Atlanta Geek]

Thank, that gave me the hint I needed.  jpegs were being requested and not
pngs.  It turned out  the leaflet app I was using defaulted to jpegs even
though I told leaflet the layer was transparent.  I forced png and it
worked.

On Thu, Apr 20, 2023 at 3:51 PM Rahkonen Jukka <
jukka.rahkonen at maanmittauslaitos.fi> wrote:

> Hi,
>
>
>
> Work for me in two different ways with this test layer
>
>
>
> LAYER
>
>       NAME "layername"
>
>       TYPE POLYGON
>
>       FEATURE
>
>       POINTS 10 5 15 10 5 10 10 5 END
>
>       END #feature
>
>     # opacity defined with COMPOSITE
>
>       COMPOSITE
>       OPACITY 70
>      END # COMPOSITE
>
>       METADATA
>
>       'wms_title' 'layername'
>
>       "wms_srs" "EPSG:4326"
>
>       END #metadata
>
>     CLASS
>
>         STYLE
>
>             #alternatively opacity defined in style
>
>             #OPACITY 80
>
>             COLOR  210 155 100
>
>         END #style
>
>         END #class
>
>         END #layer
>
>
>
> The outputformat must be png, jpeg does not support opacity/transparency.
>
>
>
> -Jukka Rahkonen-
>
>
>
> *Lähettäjä:* MapServer-users <mapserver-users-bounces at lists.osgeo.org> *Puolesta
> *Atlanta Geek
> *Lähetetty:* torstai 20. huhtikuuta 2023 16.03
> *Vastaanottaja:* mapserver <MapServer-users at lists.osgeo.org>
> *Aihe:* [MapServer-users] Layer is opaque
>
>
>
> I am trying to use mapserver to display some data but unfortunately the
> map in not visible below the layer. My configuration of my mapserver is
> below. Any guidance would be appreciated.
>
>
>
> MAP
> IMAGETYPE png
> MAXSIZE 4000
> SIZE 800 800
> EXTENT -9583207 3548826 -8999182 4183713
> UNITS meters
> IMAGECOLOR "#FF000000"
> WEB
>    METADATA
>       "wfs_title" "mapserverdemo"
>       "wfs_enable_request" "*"
>       "wfs_onlineresource" "
> http://localhost:8080/mapserv?map=/etc/mapserver/wms.map"
>       "ows_enable_request" "*"
>       "wms_srs" "EPSG:3857 EPSG:4326"
>       "wfs_srs" "EPSG:3857 EPSG:4326"
>       "labelcache_map_edge_buffer" "-1"
>       "wms_title" "OpenStreetMap"
>       "wms_feature_info_mime_type" "text/plain text/html application/json"
>    END
>    IMAGEPATH "/ms4w/tmp/ms_tmp/"
>    IMAGEURL "/ms_tmp/"
> END
> DEBUG 1
> CONFIG "MS_ERRORFILE" "stderr"
> PROJECTION
>    "init=epsg:3857"
> END
> OUTPUTFORMAT
>   NAME "jpeg_png"
>   MIMETYPE "image/vnd.jpeg-png"
>   DRIVER AGG/MIXED
>   IMAGEMODE RGBA
>   FORMATOPTION "TRANSPARENT_FORMAT=png"
>   FORMATOPTION "OPAQUE_FORMAT=jpeg"
> END
>
>
> LAYER
>     STATUS DEFAULT
>     TYPE POLYGON
>     NAME "h3_polygons"
>     GROUP "h3"
>     CONNECTIONTYPE postgis
>     CONNECTION "host=host.docker.internal dbname=h3demo user=postgres
> password=postgres port=5432"
>     DATA "geom from pop6 using unique fld using srid=4326"
>     COMPOSITE
>       OPACITY 70
>     END # COMPOSITE
>     CLASS
>       STYLE
>          OUTLINECOLOR 0 0 255
>          WIDTH 3
>       END
>       STYLE
>          COLOR 255 0 0
>          OPACITY 10
>       END
>    END
>
>
>
>   PROJECTION #source
>     "init=epsg:4326"
>   END
> END
>
> END
>
>
>
> --
>
> http://www.atlantageek.com
>


-- 
http://www.atlantageek.com
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