I think the problem is that each tile, ulass you are using metatiles
like in mapcache, is a separate mapserver request and mapserver does not
know about other requests so there is no way to filter out some watermarks.
If you use something like mapcache to generate your tiles that uses a
metatile (ie: and NxN tile image) the watermark is only drawn on the
metatile once and the the metatile is chopped into tiles.
-Steve W
On 11/26/2018 5:14 AM, Sebastiano Laini wrote:
Hi all,
Since I rewritten the code and switch from OpenLayers 2 to OpenLayers
4 I also implemented a smaller raster tile request instead of the
bigger one that they were using before, now the problem is that some
clients use watermark and the map is full of watermarks as is present
on each tile.
Is there a way to limit the number of watermark presents in the map?
This my watermark layer on the .MAP file
LAYER
NAME "credits"
GROUP "g"
STATUS DEFAULT
TRANSFORM cc
TRANSPARENCY 30
TYPE POINT
FEATURE
POINTS
-0 -20
END
END
CLASS
NAME 'oslabel'
STYLE
SYMBOL "copyright"
COLOR 0 0 0
OUTLINECOLOR 0 0 0
END
END
END
And here my copyright.sym
SYMBOLSET
SYMBOL
NAME "copyright"
TYPE PIXMAP
IMAGE "watermark.gif"
TRANSPARENT 8
END
END
Here a link where you can see the result:
https://www.traffwebdemo.co.uk/parking/basic.html
Regards,
Sebastiano Laini
Web Developer
Buchanan Computing
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