[mapserver-users] placement of labels from two different layers that have the same feature shape

[Brent Fraser]

Mark,

   I seem to recall the point labeling is more sophisticated (it has 9 positions 
to choose from) than polygon labeling.  Perhaps you could generate parcel and 
lot centroids and label them instead?  One side-effect would be if the parcel 
was in the view, but the centroid was not, then the label would not be shown...

Brent Fraser

Mark Volz wrote:
> Hello,
> 
> I am creating a map for parcels and lots.  If possible I would like to 
> label both layers at the same time.  However, since many of the parcels 
> and lots have the same, or similar feature shapes the lot labels are not 
> always displayed.  How can I make sure that labels from both layers get 
> displayed inside their respective polygons, while still utilizing label 
> collision avoidance / detection?
> 
> I have already looked at a couple keywords:
> 
> Position:   Does not move the lot layer far enough away so the label 
> still is under the envelope from the parcel label
> 
> Label offset:  I was able to label both layers at the same time.  
> However, there were many cases where the label was displayed outside of 
> the lot polygon.
> 
> Wrap:  apparently when wrap is used the blank space is still considered 
> part of the label envelope, so even if I both labels could have fit the 
> second label did not show up as label collision avoidance already placed 
> a label in that area.
> 
> Force / wrap combination:  I could use a force / wrap combination.  
> However, the results might look bad on an area with a small parcel and lot.
> 
>  
> 
> Thanks
> 
> Mark Volz
> 
> 
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