<div dir="ltr">Thanks for the reply, Jukka. <div><br></div><div><div>I found "wcs_band_uom" in the docs but I can't seem to make the value I put into my map file appear in the DescribeCoverage output. (The link you sent doesn't work for me.)</div><div><br></div><div>I do see this though:</div><div><br></div><div><div class="gmail-line" style="color:rgb(0,0,0);font-family:monospace;font-size:13px"><span class="gmail-html-tag"><swe:field<span class="gmail-html-attribute"> <span class="gmail-html-attribute-name">name</span>="<span class="gmail-html-attribute-value">band</span>"</span>></span></div><div class="gmail-opened" style="margin-left:1em;font-family:monospace;font-size:13px"><div class="gmail-folder" id="gmail-folder13" style=""><div class="gmail-line" style="color:rgb(0,0,0)"><span class="gmail-folder-button gmail-fold" style="display:inline-block;width:10px;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;background-color:initial;vertical-align:bottom;height:10px"></span><span class="gmail-html-tag"><swe:Quantity></span></div><div class="gmail-opened" style="margin-left:1em"><div class="gmail-line" style="color:rgb(0,0,0)"><span class="gmail-html-tag"><swe:nilValues/></span></div><div class="gmail-line" style=""><span class="gmail-html-tag" style="background-color:rgb(243,243,243)"><font color="#ff0000"><swe:uom<span class="gmail-html-attribute" style=""> <span class="gmail-html-attribute-name">code</span>="<span class="gmail-html-attribute-value">W.m-2.Sr-1</span>"</span>/></font></span></div><div class="gmail-folder" id="gmail-folder14" style="color:rgb(0,0,0)"><div class="gmail-line"><span class="gmail-folder-button gmail-fold" style="display:inline-block;width:10px;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;background-color:initial;vertical-align:bottom;height:10px"></span><span class="gmail-html-tag"><swe:constraint></span></div><div class="gmail-opened" style="margin-left:1em"><div class="gmail-folder" id="gmail-folder15"><div class="gmail-line"><span class="gmail-folder-button gmail-fold" style="display:inline-block;width:10px;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;background-color:initial;vertical-align:bottom;height:10px"></span><span class="gmail-html-tag"><swe:AllowedValues></span></div><div class="gmail-opened" style="margin-left:1em"><div class="gmail-line"><span class="gmail-html-tag"><swe:interval></span>-3.4028e+38 3.4028e+38<span class="gmail-html-tag"></swe:interval></span></div><div class="gmail-line"><span class="gmail-html-tag"><swe:significantFigures></span>12<span class="gmail-html-tag"></swe:significantFigures></span></div></div><div class="gmail-line"><span class="gmail-html-tag"></swe:AllowedValues></span></div></div></div><div class="gmail-line"><span class="gmail-html-tag"></swe:constraint></span></div></div></div><div class="gmail-line" style="color:rgb(0,0,0)"><span class="gmail-html-tag"></swe:Quantity></span></div></div></div><div class="gmail-line" style="color:rgb(0,0,0);font-family:monospace;font-size:13px"><span class="gmail-html-tag"></swe:field></span></div></div><div><br></div><div>The "swe:uom code" would seem to be what I want to affect. For some reason I see the value "watts per square meter per steradian" which appears nowhere in my map file so I wonder if it's some sort of default baked into the code or something. (I had seen that before but hadn't bothered to try to figure out what it was until just now. That's weird.)</div></div><div><br></div><div>Thanks for your help,</div><div><br></div><div>carl</div><div><br></div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Jan 11, 2022 at 11:57 PM Rahkonen Jukka (MML) <<a href="mailto:jukka.rahkonen@maanmittauslaitos.fi">jukka.rahkonen@maanmittauslaitos.fi</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
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<p class="MsoNormal"><span>Hi,<u></u><u></u></span></p>
<p class="MsoNormal"><span><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">WCS users are supposed to read the metadata with DescribeCoverage, for example
<a href="https://avoin-visukuva.nls.fi/ortokuvat-ja-korkeusmallit/wcs/v1?service=WCS&version=2.0.1&request=DescribeCoverage&coverageID=ortokuva_vari" target="_blank">
https://avoin-visukuva.nls.fi/ortokuvat-ja-korkeusmallit/wcs/v1?service=WCS&version=2.0.1&request=DescribeCoverage&coverageID=ortokuva_vari</a><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">The units can be configured in the mapfile with “wcs_band_uom”. I do not know if it is possible to configure the outputformat to write uom also into the TIFF. That is something that
GDAL should do.<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">-Jukka Rahkonen-<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
<div style="border-right:none;border-bottom:none;border-left:none;border-top:1pt solid rgb(225,225,225);padding:3pt 0cm 0cm">
<p class="MsoNormal"><b>Lähettäjä:</b> MapServer-users <<a href="mailto:mapserver-users-bounces@lists.osgeo.org" target="_blank">mapserver-users-bounces@lists.osgeo.org</a>>
<b>Puolesta </b>Carl Godkin<br>
<b>Lähetetty:</b> keskiviikko 12. tammikuuta 2022 3.58<br>
<b>Vastaanottaja:</b> Mapserver-Users (<a href="mailto:mapserver-users@lists.osgeo.org" target="_blank">mapserver-users@lists.osgeo.org</a>) <<a href="mailto:mapserver-users@lists.osgeo.org" target="_blank">mapserver-users@lists.osgeo.org</a>><br>
<b>Aihe:</b> [mapserver-users] WCS layer units question...<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">Hi,<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">I have a local WCS & WMS server.<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">I am trying to figure out if I can somehow define the Z units of a terrain layer I'm serving.<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">The single band from the individual GeoTIFF files providing the terrain data looks like this (from gdalinfo):<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal"><span style="font-family:"Courier New"">Band 1 Block=512x512 Type=Float32, ColorInterp=Gray<br>
Description = Layer_1<br>
NoData Value=-999999<br>
Unit Type: m <===================================== units are meters<br>
Metadata:<br>
LAYER_TYPE=athematic<br>
RepresentationType=ATHEMATIC</span><u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">but when I download a GeoTIFF using a WCS GetCoverage request on this layer, the GeoTIFF's single band just looks like this:<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal"><span style="font-family:"Courier New"">Band 1 Block=571x3 Type=Float32, ColorInterp=Gray</span><u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">without "Unit Type." <u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">I also tried using <u></u><u></u></p>
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<p class="MsoNormal"><span style="font-family:"Courier New""> UNITS Meters</span><u></u><u></u></p>
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<p class="MsoNormal">in my LAYER definition in my map file (copying an example I found among the case studies on the web site) but it didn't seem to have any effect. <u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">Is there some way to define and retrieve the Z units for a WCS server? <u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">Thanks very much.<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">carl<u></u><u></u></p>
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