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<p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;mso-fareast-language:EN-US">Re: Problem 1 - Following a thread “Unicode support in GDAL”[0] I tried adding “ENCODING=UTF-8” but the COG driver doesn’t support it. So I’ve taken the practical route
out of just spelling out micron instead of using the symbol.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;mso-fareast-language:EN-US">For Problem 2 there’s a new wrinkle: in spite of the warning about being unable to save the .aux.xml info into the source zip sometimes it actually does. I haven’t
sorted out when it can and can’t yet.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;mso-fareast-language:EN-US">[0]:
<a href="https://lists.osgeo.org/pipermail/gdal-dev/2021-August/054500.html">https://lists.osgeo.org/pipermail/gdal-dev/2021-August/054500.html</a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<div>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">-Matt</span><i><span style="color:#1F497D"><o:p></o:p></span></i></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal"><b><span lang="EN-US" style="font-size:11.0pt">From:</span></b><span lang="EN-US" style="font-size:11.0pt"> gdal-dev <<a href="mailto:gdal-dev-bounces@lists.osgeo.org">gdal-dev-bounces@lists.osgeo.org</a>>
<b>On Behalf Of </b><a href="mailto:Matt.Wilkie@yukon.ca">Matt.Wilkie@yukon.ca</a><br>
<b>Sent:</b> October 13, 2021 4:39 PM<br>
<b>To:</b> <a href="mailto:gdal-dev@lists.osgeo.org">gdal-dev@lists.osgeo.org</a><br>
<b>Subject:</b> [gdal-dev] Python gdal.Translate(...) and unicode in Band Descriptions.<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-fareast-language:EN-US">Hi,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-fareast-language:EN-US">The attached python script that reads from a vendor’s SPOT6 distribution archive and creates a cloud optimized geotiff. Reading and writing works, but the band description does not
take properly.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-fareast-language:EN-US">Problem 1: The greek letter Mu or
<a href="https://theasciicode.com.ar/extended-ascii-code/lowercase-letter-mu-micro-sign-micron-ascii-code-230.html">
Micron</a> in description is converted to something else. <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-fareast-language:EN-US">In: Near-Infrared (0.760 µm – 0.890 µm)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-fareast-language:EN-US">Gdalinfo: Near-Infrared (0.760
</span><span style="font-size:11.0pt;font-family:"Arial",sans-serif;mso-fareast-language:EN-US">┬╡</span><span style="font-size:11.0pt;mso-fareast-language:EN-US">m ΓÇô 0.890
</span><span style="font-size:11.0pt;font-family:"Arial",sans-serif;mso-fareast-language:EN-US">┬╡</span><span style="font-size:11.0pt;mso-fareast-language:EN-US">m)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-fareast-language:EN-US">I’m quite sure I’ve seen geotiff descriptions using the micron character before. It was seeing someone else do that the gave me the idea to do the same with our data. Maybe they
weren’t using gdal though?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-fareast-language:EN-US">Problem 2: on close it’s trying to update the source. This fails because the source is zipped, which is good because we want to leave the source untouched. However I don’t want to
rely on this to keep our house in order. What is the proper way to do this?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-fareast-language:EN-US">Example script run:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt;mso-fareast-language:EN-US">$ spot-zip-to-preview process-list-sample.csv preview 2048<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt;mso-fareast-language:EN-US">/vsizip/A:\Imagery\Work\SPOT-raw\DS_SPOT6_202008182031259_LM1_LM1_LM1_LM1_W137N63_01790.zip/DS_SPOT6_202008182031259_LM1_LM1_LM1_LM1_W137N63_01790/PROD_SPOT6_001/VOL_SPOT6_001_A/IMG_SPOT6_MS_001_A/DIM_SPOT6_MS_202008182031259_SEN_1.XML<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt;mso-fareast-language:EN-US">0.10..20...50..81..100Warning 6: driver COG does not support creation option PHOTOMETRIC<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt;mso-fareast-language:EN-US">Warning 1: Unable to save auxiliary information in /vsizip/A:\Imagery\Work\SPOT-raw\DS_SPOT6_202008182031259_LM1_LM1_LM1_LM1_W137N63_01790.zip/DS_SPOT6_202008182031259_LM1_LM1_LM1_LM1_W137N63_01790/PROD_SPOT6_001/VOL_SPOT6_001_A/IMG_SPOT6_MS_001_A/DIM_SPOT6_MS_202008182031259_SEN_1.XML.aux.xml.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-fareast-language:EN-US">The relevant part of the script:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New";mso-fareast-language:EN-US">data_in = gdal.Open(vsipath)</span><span style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New";mso-fareast-language:EN-US">#print(data_in.GetMetadata())</span><span style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New";mso-fareast-language:EN-US">if "_MS_" in ds:</span><span style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New";mso-fareast-language:EN-US">data_in.GetRasterBand(1).SetColorInterpretation(gdal.GCI_RedBand)</span><span style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New";mso-fareast-language:EN-US">data_in.GetRasterBand(1).SetDescription("Red (0.625 µm – 0.695 µm)")</span><span style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New";mso-fareast-language:EN-US">data_in.GetRasterBand(2).SetColorInterpretation(gdal.GCI_GreenBand)</span><span style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New";mso-fareast-language:EN-US">data_in.GetRasterBand(2).SetDescription("Green (0.530 µm – 0.590 µm)")</span><span style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New";mso-fareast-language:EN-US">data_in.GetRasterBand(3).SetColorInterpretation(gdal.GCI_BlueBand)</span><span style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New";mso-fareast-language:EN-US">data_in.GetRasterBand(3).SetDescription("Blue (0.455 µm – 0.525 µm)")</span><span style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New";mso-fareast-language:EN-US">#data_in.GetRasterBand(4).SetColorInterpretation("Gray")</span><span style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New";mso-fareast-language:EN-US">data_in.GetRasterBand(3).SetDescription("Near-Infrared (0.760 µm – 0.890 µm)")</span><span style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New";mso-fareast-language:EN-US">if "_P_" in ds:</span><span style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New";mso-fareast-language:EN-US">#data_in.GetRasterBand(1).SetColorInterpretation("Gray")</span><span style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New";mso-fareast-language:EN-US">data_in.GetRasterBand(1).SetDescription("Panchromatic")</span><span style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New";mso-fareast-language:EN-US">gdal.Translate(dstname, vsipath, width=w, height=h,</span><span style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New";mso-fareast-language:EN-US">format="COG",</span><span style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New";mso-fareast-language:EN-US">noData=0,</span><span style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New";mso-fareast-language:EN-US">creationOptions=options,</span><span style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New";mso-fareast-language:EN-US">callback=progress_cb,</span><span style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier New";mso-fareast-language:EN-US">callback_data='.')</span><span style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-fareast-language:EN-US">Thanks in advance for your thoughts.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-top:4.0pt;line-height:115%;text-autospace:none;vertical-align:middle">
<b><span lang="EN-US">Matt Wilkie</span></b><span style="font-size:11.0pt;line-height:115%;mso-fareast-language:EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Geomatics Developer & Administrator</span><span style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Environment <span style="color:#2E74B5">|</span> Technology, Innovation and Mapping</span><span style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">T 867-667-8133 <span style="color:#2E74B5">
|</span> </span><u><a href="http://yukon.ca/"><span lang="EN-US" style="color:windowtext">Yukon.ca</span></a></u><span style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><i>Hours: 08:30-16:30, Mon-Wed: Office, Thu: Remote, Fri: Away.</i><span style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p></o:p></span></p>
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