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--></style></div><div><br></div><div>Hello<br></div><div><br data-mce-bogus="1"></div><div>Quick comment about metadata<br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><div>Datacite metadata schema is rather widely used in research data services.<br data-mce-bogus="1"></div><div>Recent metadatamodels have <br data-mce-bogus="1"></div><div> "<!--StartFragment-->GeoLocation -> <!--StartFragment-->geoLocationPolygon"<!--EndFragment--> attribute <!--EndFragment-->that is defined as follows:<br></div><div><br data-mce-bogus="1"></div><div style="padding-left: 30px;" data-mce-style="padding-left: 30px;"> <!--StartFragment-->A drawn polygon area, defined by a set of points and lines connecting the points in a closed chain. A polygon is delimited by geographic points. Each point is defined by a longitudelatitude pair. The last point should be the same as the first point. P<!--StartFragment-->olygon that crosses the anti-meridian (i.e. the 180th meridian) can be represented by cutting it into two polygons such that neither crosses the anti-meridian.<!--EndFragment--> <!--EndFragment--> </div><div><br data-mce-bogus="1"></div><div>On metadata harvesting point of view, it would be nice, if your metadata model would be compatible with datacite metadata model.<br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><div>For more information, see <!--StartFragment--><a href="https://schema.datacite.org/" data-mce-href="https://schema.datacite.org/">https://schema.datacite.org</a><!--EndFragment--> <br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><div data-marker="__SIG_PRE__">--<br>Ari Lukkarinen, <br>CSC - Tieteen tietotekniikan keskus Oy / CSC - IT Center for Science Ltd.<br>E-mail: ari.lukkarinen@csc.fi | Tel: +358-9-4572241 | Mob: +358-50-3819720</div><div><br><span id="zwchr" data-marker="__DIVIDER__">----- On 11 Oct, 2019, at 10:45, Moncoiffe, Gwenaelle <gmon@bodc.ac.uk> wrote:<br></span></div><div data-marker="__QUOTED_TEXT__"><blockquote style="border-left:2px solid #1010FF;margin-left:5px;padding-left:5px;color:#000;font-weight:normal;font-style:normal;text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12pt;">
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<p class="MsoNormal">Dear SeaVox and SDC-tech colleagues,</p>
<p class="MsoNormal">The description field in the SeaVox Salt and Fresh water body gazeteer (C19), contains the minimum and maximum latitudes and longitudes that forms the bounding box around a sea area. A bounding box is defined as the rectangle formed by
the maximum lat/lon of the area of interest with its sides drawn parallel to the lines of longitude and latitude. While this is can be a useful and simple way to locate the extent of the sea area, it can result in areas that are much larger than the sea area
itself. </p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">In order to address this shortcoming, we are proposing to add the pair coordinates of the minimum area bounding box. This defines a rectangle around the area of interest that is not forced to be parallel to the lines of longitude and latitude.</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">The proposal is as follows:</p>
<p class="MsoNormal">#1 Keep the bounding box coordinates as they currently are;</p>
<p class="MsoNormal">#2 Add the minimum area bounding box (MABB) as coordinate pairs – this gives a rectangle around the sea area that does not have to be parallel to the lines of latitude/longitude</p>
<p class="MsoNormal">#3 Use geoJSON to structure the information</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">Below is our proposed geoJSON structure for the bounding box as min/max lat/lon and the minimum area bounding box as pair lat/lon coordinates:</p>
<p class="MsoNormal">{</p>
<p class="MsoNormal"> "type": "Feature",</p>
<p class="MsoNormal"> "bbox": [-10.0, -10.0, 10.0, 10.0],</p>
<p class="MsoNormal"> "geometry": {</p>
<p class="MsoNormal"> "type": "Polygon",</p>
<p class="MsoNormal"> "coordinates": [</p>
<p class="MsoNormal"> [</p>
<p class="MsoNormal"> [-10.0, -10.0],</p>
<p class="MsoNormal"> [10.0, -10.0],</p>
<p class="MsoNormal"> [10.0, 10.0],</p>
<p class="MsoNormal"> [-10.0, 10.0],</p>
<p class="MsoNormal"> [-10.0,-10.0]</p>
<p class="MsoNormal"> ]</p>
<p class="MsoNormal"> ]</p>
<p class="MsoNormal"> }</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">}</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">Please let us know if you have any concerns, questions or suggestion to improve this proposal.</p>
<p class="MsoNormal">Kind regards</p>
<p class="MsoNormal">Gwen.</p>
</div>
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