[mapserver-users] duplicate labels

[Andy Colson]

Lars Lingner wrote:
> Andy Colson schrieb:
>> Hi All,
>>
>>
>> Here is a screen shot:
>>
>> http://maps.camavision.com/map.jpg
>>
>>
>> There are, as far as I can tell, 4 lines.  The label is duplicating and
>> I dont want it too.  Here is the layer from the mapfile:
>>
>>
>>     LAYER
>>         NAME annotate_pin
>>         TYPE line
>>         STATUS on
>>         CLASS
>>             NAME "HIGHLIGHT"
>>             STYLE
>>                 COLOR 0 255 0
>>                 OUTLINECOLOR 0 255 0
>>                 WIDTH 3
>>             END
>>             LABEL
>>                 TYPE truetype
>>                 FONT "Vera"
>>                 SIZE 10
>>                 COLOR 0 0 0
>>                 ANGLE follow
>>                 POSITION auto
>>                 BACKGROUNDCOLOR 255 255 255
>>                 MINDISTANCE 900
>>             END
>>         END
>>     END
>>
>>
>> I have played with MINDISTANCE from 0 to 99,000 and it does not seem to
>> make a difference.  I googled a little but have not found a useful answer.
>>
> 
> If you want to use MINDISTANCE you have to set the SIZEUNITS parameter
> at layer level like this:
> 
> LAYER
>  ...
>  SIZEUNITS meters # one of [pixels|feet|inches|kilometers|meters|miles]
>  ...
>  LABEL
>   ...
>   MINDISTANCE 500
>   ...
>  END
>  ...
> END
> 
> So the label wouldn't repeated for distances smaller than 500 meter.
> 
> 
> Lars
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That didn't seem to work.  It made all my fonts really small, but the 
labels still duped.

The help says layer.sizeUnits "Sets the unit of CLASS object SIZE", does 
that include label font size?

It defaults to pixels, yes?  Wouldnt a really big MINDISTANCE still have 
removed dups?

-Andy