<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>Am 08.02.2019 um 00:44 schrieb <a href="mailto:tagging-request@openstreetmap.org">tagging-request@openstreetmap.org</a>:</div><br class="Apple-interchange-newline"><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><br>Message: 2<br>Date: Fri, 8 Feb 2019 10:01:28 +1100<br>From: Warin <<a href="mailto:61sundowner@gmail.com">61sundowner@gmail.com</a>><br>To:<span class="Apple-converted-space"> </span><a href="mailto:tagging@openstreetmap.org">tagging@openstreetmap.org</a><br>Subject: Re: [Tagging] A general problem: Co-ordinate sets vs.<br><span class="Apple-tab-span" style="white-space: pre; "> </span>background informations<br>Message-ID: <<a href="mailto:0f90faea-b79f-668c-c887-035114856e55@gmail.com">0f90faea-b79f-668c-c887-035114856e55@gmail.com</a>><br>Content-Type: text/plain; charset=utf-8; format=flowed<br><br>I don't know what your trying to say here?<br><br><br>This looks to me like either ;<br><br>A) 'imported data cannot be changed'!<br>The problem with that is the imported data may be wrong, inaccurate of simply old.<br></span></blockquote>It is necessary that imported geometries can be changed.</div><div>It is necessary that also other data can be actualized.</div><div><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><br>B) 'imported data cannot be used'<br>The problem here is that OSM looses a valuable and large data source.<br>Yes it can be 'wrong', 'old' and/or 'inaccurate' but it does give a starting point for improvements.<br></span></blockquote><div>But for references on definitions, names, and scientific mesurements of geographic objects,</div><div>it must be allowed to note "this value is from this source", also if the source is not ODbL</div><div>And the provider (e. g. an official environment database) has the natural right to be mentioned and to be cited correctly..</div><div>Therefore OSM has to accept Creative Commons conditions for such data.<br></div><div><br></div><div>Courses and outlines of many natural objects are mapped very roughly OSM.</div><div>Values derived from such mappings are incorrect, too, </div><div><br></div><div>For some informations, OSM cannot be more correct than offiical databases:</div><div>Official definitions may be optimal or suboptimal, but they are valid.</div><div>Means of long timelines of measurements cannot be substituted by single measurements in single visits.</div><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><br><br>Once in OSM it can be changed by anyone. Even fumble fingered me. Usually errors are picked up and corrected.<br>Even deliberate things that are wrong are picked up.<br><br></span></blockquote>I had repeated the reasons for ODbL.</div><div>ODbL necessary for the import of geometries.</div><div>But if everything in OSM is ODbL, </div><div>OSM isolates itself form references (available under Creative Commons conditions, only), which are essential for its reliability.<br><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><br>On 07/02/19 22:20, Ulrich Lamm wrote:<br><blockquote type="cite">There are very different kinds of data, OSM has to use to serve reliable correct informations itself:<br></blockquote></span><br class="Apple-interchange-newline"></blockquote></div><br></body></html>