Christy,
I did more tests: with beta6 my example (the one on the mapserver site)
works, but with the recent beta7 and rc1 the union layer is never styled
through styleitem auto.
Tamas did something change in beta7 in the union code?
-jeff
--
Jeff McKenna
MapServer Consulting and Training Services
http://www.gatewaygeomatics.com/
On 11-05-03 1:46 PM, Christy Nieman wrote:
Hello,
I was wondering if someone could let me know if my logic here is flawed...
I am testing layers of TYPE UNION. I have two point data files and if I
have classes in the UNION'ed layer, they draw correctly. E.g.:
# ==================================================
# Layer: Layer 1 for union
# ==================================================
LAYER
NAME "layer_1_for_union"
STATUS OFF
TYPE POINT
SIZEUNITS PIXELS
DATA "points1"
END
# ==================================================
# Layer: Layer 2 for union
# ==================================================
LAYER
NAME "layer_2_for_union"
STATUS OFF
TYPE POINT
SIZEUNITS PIXELS
DATA "points2"
END
# ==================================================
# Layer: UNION Layer
# ==================================================
LAYER
NAME "union_layer"
STATUS DEFAULT
TYPE POINT
SIZEUNITS PIXELS
CONNECTIONTYPE UNION
CONNECTION "layer_1_for_union,layer_2_for_union"
PROCESSING "ITEMS=TYPE,ELEV"
CLASS
NAME "At 4ft or lower"
EXPRESSION ([ELEV] <= 4)
STYLE
SYMBOL 'circle'
COLOR 0 255 0
SIZE 15
END
END
CLASS
NAME "Above 4ft"
EXPRESSION ([ELEV] <= 100)
STYLE
SYMBOL 'circle'
COLOR 0 255 255
SIZE 15
END
END
CLASS
NAME "Other"
STYLE
SYMBOL 'circle'
COLOR 180 180 180
SIZE 15
END
END
END
However, if I have styling in the source layers (i.e. layer_1_for_union
and layer_2_for_union) and use STYLEITEM "AUTO" in the union layer, the
two source layers must have STATUS DEFAULT for anything to show up
(which, I think, causes them to be drawn twice?).
Am I missing something with how UNIONs and STYLEITEM "AUTO" work? Or is
this how it was designed?
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