<div dir="ltr"><div>mtb:scale=yes is like surface=yes it has no real meaning, mtb:scale is a scale from 0 flat surface to 6 obstacle taller than a human.</div><div><br></div><div>Actually I think mtb:scale is easier to use than smoothness : it's a more objective tag.</div><div>(Sometime I think stating smoothness with average size of gravel/obstacle in cm would be much easier and objective tagging, but that is an other subject.)<br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">Le sam. 4 avr. 2020 à 23:57, Marc M. <<a href="mailto:marc_marc_irc@hotmail.com">marc_marc_irc@hotmail.com</a>> a écrit :<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Le 04.04.20 à 15:47, Kevin Kenny a écrit :<br>
> how does a mapper who isn't expert enough to grade accurately<br>
> the difficulty of a MTB trail, but can<br>
> clearly see, 'a road bike wouldn't work here'<br>
<br>
it's very subjective<br>
an example of a situation that was not well described with<br>
surface/inclined/... tags ?<br>
<br>
you may use =yes as default value when you don't use a more precise<br>
value -> mtb:scale=yes ?<br>
<br>
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</blockquote></div><br clear="all"><br>-- <br><div dir="ltr" class="gmail_signature">Florimond Berthoux</div></div>