Jody Garnett wrote:
>
> This does seem confusing; what does the SLD specification say anchor
> point is. I belive anchor point
> is defined relative to "the_geom" (ie centroid of a polygon or
> linestring, or the actual point). Try creating
> one using the styleFactory if you have to; and then fill in the blanks.
>
> My guess would be Expression x and Expression y are actually:
>
> sb.createAnchorPoint(Expression offsetX, Expression offesetY)
>
> And the main reason to do an expression is so you can do something like
> sin( angle )*distance, cose( angle )*distance where angle and distance
> are other attributes of your feature....
>
> Jody
>
>
Hum, if that was the case, then
sb.createAnchorPoint(sb.literalExpression(1.5), sb.literalExpression(1.5))
should work in principle, but instead nothing happens. The only time I got
this to work was for a data set that actually had XCOORD and YCOORD
attributes hence my AnchorPoint was given by
AnchorPoint anchorPoint =
sb.createAnchorPoint(sb.attributeExpression("XCOORD"),
sb.attributeExpression("YCOORD"));
gaby
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