[mapserver-users] TYPE UNION and STYLEITEM

[Jeff McKenna]

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?