On Fri, May 31, 2019 at 08:59:08PM +0000, marc marc wrote: > I don't understand the logic of changing the meaning of a tag recently > validated by a proposal without prior consultation. > a natural siphon was before your modification a waterway=pressurised, > now no more. > > the fact that the approved proposal did not want to go into the details > of speologies is not a sufficient argument. > > the fact that some contributors do not know if the whole underground > part of the river is a syphon or not is not a sufficient argument > either, in this case it is sufficient to use location=underground as > proposed in the image of the propal. > but if someone knows that a section is a pressurized siphon, it's a good > thing he refine the info
The idea that you should map anything in a natural cave as "pressurised" is a fundamentally flawed concept. The water level drops a few inches and suddenly the "pipe" is no longer water filled or only parts of it. Other parts of the cave will become pressurised after a rain that fills the cave with water? The fact that it has been approved only demonstates that our approval process is defying reality and physics <g> Richard _______________________________________________ Tagging mailing list Tagging@openstreetmap.org https://lists.openstreetmap.org/listinfo/tagging