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<div><br></div><div><br></div><div><br></div><div>Mar 5, 2021, 11:06 by marc_marc@mailo.com:<br></div><blockquote class="tutanota_quote" style="border-left: 1px solid #93A3B8; padding-left: 10px; margin-left: 5px;"><div>Le 05.03.21 à 10:50, Richard Fairhurst a écrit :<br></div><blockquote>You really do not need two keys to express this.<br></blockquote><div><br></div><div>I agree, but the fact that each tool has to build a list of values<br></div><div>and then classify them into main groups is not ideal either.<br></div></blockquote><div>Why? Different tools will have different needs and<br></div><div>data consumers will need to make their own decisions.<br></div><div><br></div><div>For example surface=grass_paver is horrible for bicycles and fine for cars,<br></div><div>surface=sand is bad for cars and bicycles, fine or maybe preferable<br></div><div>for hikers.<br></div><blockquote class="tutanota_quote" style="border-left: 1px solid #93A3B8; padding-left: 10px; margin-left: 5px;"><div>you have made such a list, others also make such a list and with each<br></div><div>new value, you have to make a new piece of code to say that the new<br></div><div>"ultra precise" value is in practice in category A or B<br></div></blockquote><div>What is preferable to taking classification from some external dataset.<br></div><blockquote class="tutanota_quote" style="border-left: 1px solid #93A3B8; padding-left: 10px; margin-left: 5px;"><div>at least there should be a way to build this list in a collaborative way<br></div><div>and easily readable by a program, this would allow to build a<br></div><div>preprocessor to group all the ultra detailed values into larger groups<br></div><div>for those who do not need to make the difference between a paving_stone<br></div><div>variant A and variant B.<br></div></blockquote><div>That would be far more complex.<br></div><div><br></div><div>BTW, you may use <a href="https://wiki.openstreetmap.org/wiki/Data_items">https://wiki.openstreetmap.org/wiki/Data_items</a><br></div><div>for that.<br></div><div><br></div><div>But it would not be not useful at least in cases known to me.<br></div><div>For any place where I processed surface values I would prefer<br></div><div>a manually curated list.<br></div> </body>
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