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<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Hi,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">I noticed that the survey foot is now deemed obsolete
<a href="https://www.nist.gov/pml/us-surveyfoot">https://www.nist.gov/pml/us-surveyfoot</a> since 1<sup>st</sup> of January. Should/could there be warnings in GDAL/Proj about that? Or will also the corresponding entries in the EPSG database become obsolete
in time?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">-Jukka Rahkonen-<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US">Lähettäjä:</span></b><span lang="EN-US"> gdal-dev <gdal-dev-bounces@lists.osgeo.org>
<b>Puolesta </b>Even Rouault<br>
<b>Lähetetty:</b> maanantai 9. tammikuuta 2023 21.10<br>
<b>Vastaanottaja:</b> Kirk Waters - NOAA Federal <kirk.waters@noaa.gov>; gdal-dev@lists.osgeo.org<br>
<b>Aihe:</b> Re: [gdal-dev] feet converting to meters unexpectedly<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p>Hi,<o:p></o:p></p>
<p>This is indeed <a href="https://eur06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2FOSGeo%2Fgdal%2Fissues%2F6839&data=05%7C01%7Cjukka.rahkonen%40maanmittauslaitos.fi%7Cff99c3d359784e7f45ce08daf2752dad%7Cc4f8a63255804a1c92371d5a571b71fa%7C0%7C1%7C638088882332787798%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=50fmqgZrGZQQdpKoc1fOlTL0yhI2z1Wf9Dabs0KwExs%3D&reserved=0">
https://github.com/OSGeo/gdal/issues/6839</a> which has been fixed in GDAL 3.6.1.<o:p></o:p></p>
<p>Even<o:p></o:p></p>
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<p class="MsoNormal">Le 09/01/2023 à 19:48, Kirk Waters - NOAA Federal via gdal-dev a écrit :<o:p></o:p></p>
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<p class="MsoNormal">I think I've gotten this solved for my purposes now, but I'm reporting it here in case anyone else might run across issues using gdal in a conda environment. If I make a conda environment containing:<o:p></o:p></p>
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<p class="MsoNormal">python<o:p></o:p></p>
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<p class="MsoNormal">pdal=2.4.2<o:p></o:p></p>
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<p class="MsoNormal">gdal<o:p></o:p></p>
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<p class="MsoNormal">(which ends up with gdal version 3.5.1, pdal version 2.4.2), I get a weird behavior where<o:p></o:p></p>
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<p class="MsoNormal">gdalwarp input.tif output.tif <o:p></o:p></p>
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<p class="MsoNormal">will change the values in the raster as if it is converting from feet to meters. My example raster where I see this has georeferencing of EPSG:3521+6360 and is a 32-bit floating point DEM. My use case would have more arguments to gdalwarp,
but I simplified to the minimum that showed the problem.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">If I change the environment package list for conda to not specify the pdal version, I'll get pdal version 2.4.3 and gdal version 3.6.2 and the raster will convert correctly. <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I did note that in a setup where it converts the values, I see this warning:<o:p></o:p></p>
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<p class="MsoNormal">Warning 1: Unknown units=US survey foot<o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:"Arial",sans-serif">Kirk Waters, PhD </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:"Arial",sans-serif">NOAA Office for Coastal Management</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:"Arial",sans-serif">Applied Sciences Program </span><o:p></o:p></p>
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<p class="MsoNormal">Phone: 843-284-6962 (New as of 2022) <span style="font-family:"Arial",sans-serif"> </span>
<o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:"Arial",sans-serif"><a href="https://eur06.safelinks.protection.outlook.com/?url=http%3A%2F%2Fcoast.noaa.gov%2Fdigitalcoast&data=05%7C01%7Cjukka.rahkonen%40maanmittauslaitos.fi%7Cff99c3d359784e7f45ce08daf2752dad%7Cc4f8a63255804a1c92371d5a571b71fa%7C0%7C1%7C638088882332787798%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=mFBiuSZzlkEop5b4qQLEcKr1Xmmmu1sGw0NxxOE0dj4%3D&reserved=0" target="_blank">coast.noaa.gov/digitalcoast</a></span><o:p></o:p></p>
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<pre>_______________________________________________<o:p></o:p></pre>
<pre>gdal-dev mailing list<o:p></o:p></pre>
<pre><a href="mailto:gdal-dev@lists.osgeo.org">gdal-dev@lists.osgeo.org</a><o:p></o:p></pre>
<pre><a href="https://eur06.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.osgeo.org%2Fmailman%2Flistinfo%2Fgdal-dev&data=05%7C01%7Cjukka.rahkonen%40maanmittauslaitos.fi%7Cff99c3d359784e7f45ce08daf2752dad%7Cc4f8a63255804a1c92371d5a571b71fa%7C0%7C1%7C638088882332787798%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=3ZnHOEI50I0QfHU5qO6IIOZlEMB4WFJRaBhAaB0vW%2Bk%3D&reserved=0">https://lists.osgeo.org/mailman/listinfo/gdal-dev</a><o:p></o:p></pre>
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<pre>-- <o:p></o:p></pre>
<pre><a href="https://eur06.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.spatialys.com%2F&data=05%7C01%7Cjukka.rahkonen%40maanmittauslaitos.fi%7Cff99c3d359784e7f45ce08daf2752dad%7Cc4f8a63255804a1c92371d5a571b71fa%7C0%7C1%7C638088882332944041%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=3XoD5Rxng%2BozCi%2FyIAClJLUZHwuJnAhXM%2BAjTn4QtrM%3D&reserved=0">http://www.spatialys.com</a><o:p></o:p></pre>
<pre>My software is free, but my time generally not.<o:p></o:p></pre>
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