[mapserver-dev] Label Position Auto change?

Brent Fraser bfraser at geoanalytic.com
Sat Feb 25 12:19:55 EST 2012

Steve W.,

   If this trends toward a PROCESSING directive,  I'd like to see some 
accommodation made for "rules-based" annotation so I could specify rules 
something like:

1. Place label inside polygon.  If doesn't fit:
2. Shrink label, place label inside polygon.  If doesn't fit:
3. Rotate label, place label inside polygon.  If doesn't fit:
4. Place label outside polygon...

Could get complicated.

Best Regards,
Brent Fraser

On 2/24/2012 3:20 PM, Stephen Woodbridge wrote:
> Hi Thomas, Steve L,
> Would it be easy to change the labeling to either change the order of 
> POSITION AUTO or to add a PROCESSING directive or some other mechanism 
> to change the order.
> For example when labeling cities, I think it would look better if we 
> followed an order like:
> Upper center
> Lower center
> Center right
> Center left
> Upper right
> Upper left
> Lower right
> Lower left
> Center center - this is bad if you have a symbol because it falls over 
> the symbol, so I can see optionally leaving it out of the list.
> Obviously, not everyone will have this preference so some flexibility 
> in defining the order would make sense.
> Another idea would be to do something like:
> POSITION "UC LC CR CL UR UL LR LL"  # to specify the order (note no CC)
> This would make it easy to pass the same via a binding.
> Does anyone have any thoughts on this? Cartography, technical, other?
> I will create an enhancement ticket and summarize this thread in it.
> Thanks,
>   -Steve W
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