Is there any way to prevent symbols being clipped/rendered at tile edges using
just mapserver?
I have created direction arrows as a filled vector symbol and placed these as
follows:-
SYMBOL
NAME "arrow"
TYPE vector
FILLED true
POINTS
0 0.4
1 0.4
1 0
2 0.8
1 1.6
1 1.2
0 1.2
0 0.4
END
ANCHORPOINT 1 0.8
END
STYLE
GAP -300.0
COLOR 128 128 128
OUTLINECOLOR 0 0 0
SYMBOL "arrow"
SIZE 12.0
ANGLE AUTO
OFFSET 10 -99
END
When viewed as a WMS layer in open layers I find that arrows placed on a line
close to a tile edge are being clipped. The layer uses Request parameters and
cannot be proxied through map cache. As you can see below it uses %worker% to
pick the right table.
DATA "wkb_geometry from (SELECT work_item_sequence as seq,
count(work_item_sequence), (st_collect(route_line)) as wkb_geometry FROM
ng_worker.worker_%worker%_route_table GROUP by work_item_sequence ORDER by
work_item_sequence ASC ) AS FOO using unique seq using srid=27700"
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