[mapserver-dev] Support for the MapInfo style zoom layering option.

[Daniel Morissette]

Tamas Szekeres wrote:
> 
> Yes that is exactly what I was proposing. How we distinguish between
> these 2 methods, should we think about an internal 'unspecified'
> value?
> like minwidth = -1 would mean that this parameter shouldn't actually
> be taken into account in msLayerIsVisible.
> 

In the case of minscaledenom/maxscaledenom, their default/disabled value 
is 0 (not -1), so I think to be consistent with the existing code we 
could go with minwidth=0 meaning that this parameter is ignored (and 
same for maxwidth=0).

Daniel
-- 
Daniel Morissette
http://www.mapgears.com/