DEFAULT means the layer will always be displayed like a background
layer, but it is dependent on MIN/MAXSCALEDENOM
ON means that if it is requested via the LAYERS=... that it can be
displayed again dependent on MIN/MAXSCALEDENOM
OFF means it will be ignored by the mapserver CGI even if its in the
LAYERS list.
OFF is useful for things like mapscript where you can define layers and
toggle them on in mapscript.
-Steve W
On 3/5/2019 7:24 AM, Sebastiano Laini wrote:
Yesterday I came across this section
https://mapserver.org/optimization/mapfile.html#layers
and I don’t understand the status behaviour and MIN/MAXSCALEDENOM
it say:
For every layer in a Map File that has a status of ON or DEFAULT,
MapServer will load that layer and prepare it for display, even if
that layer never gets displayed.
Ok, so if I setup all layers to OFF and I use MIN/MAXSCALEDENOM they
should be displayed at their zoom level? Because I tried but is not
work as expected in a web.
This is one of our layer
LAYER
NAME "YellowB"
TYPE POLYGON
MINSCALEDENOM 0
MAXSCALEDENOM 7500
STATUS DEFAULT
CONNECTIONTYPE OGR
CONNECTION "OpenData_Jan19/YellowBack.TAB"
STYLEITEM "AUTO"
CLASS
NAME "YellowB"
STYLE
COLOR 0 0 0
END
END
PROJECTION
"init=epsg:27700"
END
END
Should I use the PROJECTION tag in each layer even if the layer itself
it supposed to be in that projection?
Sebastiano Laini
Web Developer
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