[MapServer-dev] More precise WMS GetFeatureInfo for point symbols: ask for opinions

[Even Rouault]

Hi,

In https://github.com/MapServer/MapServer/pull/7318 I've introduced an 
enhancement to be able to identify with WMS GetFeatureInfo point 
features through their symbols, rather than just a square centered 
around their position. This helps for symbols that are not centered 
(offset), or whose shape is not square.

I've extende MapServer syntax to be able to enable that mode, and 
configure how it works. If you read the PR, you'll see there is a bit of 
a debate on how to best express that conffiguration. Either through a 
new IDENTIFICATION block as a child of a LAYER block, or using 
PROCESSION directive or wms_ METADATA items. Are there thoughts about that?

Thanks,

Even

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