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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Hi Markus, everyone,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Thank you for your all of the information.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">As for the i.fusion.hpf method, I am unable to install on Windows 7 with GRASS 7.0.4. The g.extention module does not allow me to connect to github to install
the extension as noted in the g.extension documentation page. If I understand what I read correctly, I would need to download and install the Source Code version or version 7.2. Also, Moritz Lennert’s reply stated that it works in 7.2 but not in 7.0 which
I have been using.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I was able to resolve my issue (export the composite image so that it can be opened in Global Mapper and Photoshop) by opening it in QGIS using the GRASS Tools
plugin. Click “Add raster layer” button and navigate to the composite image and click OK. Once it was added to QGIS, I right-clicked the raster layer in the Layer menu and selected the Save As… option. Then in the Save As… window, I selected “rendered image”
as the output and left all other options as the default. This newly exported image allowed me to open the it in other programs.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Thank you,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Michele Toma<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><a href="mailto:michele.toma@airborne.aero">michele.toma@airborne.aero</a></span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><a href="www.airborne.aero">www.airborne.aero</a></span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><img border="0" width="133" height="36" id="Picture_x0020_1" src="cid:image001.jpg@01D1E3F7.C406C3E0" alt="New Small2"></span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> neteler.osgeo@gmail.com [mailto:neteler.osgeo@gmail.com]
<b>On Behalf Of </b>Markus Neteler<br>
<b>Sent:</b> Thursday, July 21, 2016 7:28 AM<br>
<b>To:</b> Michele Toma<br>
<b>Cc:</b> grass-user@lists.osgeo.org<br>
<b>Subject:</b> Re: [GRASS-user] Exporting RGB Composite Images to GeoTIFF<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">Hi,<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Thu, Jul 21, 2016 at 2:53 AM, Michele Toma <<a href="mailto:michele.toma@airborne.aero" target="_blank">michele.toma@airborne.aero</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Hi everyone (again),<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">I am having trouble exporting a composite RGB image into a GeoTIFF format that I can open in Global Mapper, Photoshop, or other programs. This is using Landsat 8 imagery. I am able
to open the composite image in QGIS, but not in Global Mapper or Photoshop. <o:p>
</o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Below is a list of steps that I took to get the image. I am unsure of what settings to use when using r.out.gdal to export my image so that it works in other programs. I am using
GRASS 7.0.4.<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p>1.<span style="font-size:7.0pt"> </span>Import Landsat 8 imagery<o:p></o:p></p>
<p>2.<span style="font-size:7.0pt"> </span>Convert the DN to reflectance/radiance<o:p></o:p></p>
<p style="margin-left:1.0in">a.<span style="font-size:7.0pt"> </span>i.landsat.toar input=LC81100362016082LGN00_B output=LC81100362016082LGN00_refl metfile=LC81100362016082LGN00_MTL.txt<o:p></o:p></p>
<p>3.<span style="font-size:7.0pt"> </span>Perform pansharpening with i.fusion.brovey addon<o:p></o:p></p>
<p style="margin-left:1.0in">a.<span style="font-size:7.0pt"> </span>i.fusion.brovey -l ms1=LC81100362016082LGN00_refl2@Osaka ms2=LC81100362016082LGN00_refl3@Osaka ms3=LC81100362016082LGN00_refl4@Osaka pan=LC81100362016082LGN00_refl8@Osaka output_prefix=brovey<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">BTW: this method is superior (the addon can be installed with g.extension):<br>
<a href="https://github.com/NikosAlexandris/i.fusion.hpf">https://github.com/NikosAlexandris/i.fusion.hpf</a><o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">[...]<br>
<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Another method that I have tried using an example on the r.out.gdal documentation page:<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Courier New";color:black">i.group group=brovey_group input=brovey.red,brovey.green,brovey.blue</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Courier New";color:black">g.region rast=brovey.blue -p</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Courier New";color:black">r.out.gdal in=brovey_group output=brovey_group.tif type=Float64 \</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Courier New";color:black"> createopt="PROFILE=GeoTIFF,INTERLEAVE=PIXEL,TFW=YES"</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Courier New";color:black"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:black">The result is an image with distorted colors when opened in QGIS. Water has turned a reddish brown color.</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">[...]<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Please try to create the group in order B G R, not R G B:<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Courier New";color:black">i.group group=brovey_group input=brovey.blue,brovey.green,brovey.red</span><o:p></o:p></p>
<p class="MsoNormal"><br>
and then export it as above.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Best,<o:p></o:p></p>
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<p class="MsoNormal">Markus<br>
<br clear="all">
<o:p></o:p></p>
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<p class="MsoNormal"><br>
-- <o:p></o:p></p>
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<p class="MsoNormal">Markus Neteler<br>
<a href="http://www.mundialis.de" target="_blank">http://www.mundialis.de</a> - free data with free software<br>
<a href="http://grass.osgeo.org" target="_blank">http://grass.osgeo.org</a><br>
<a href="http://courses.neteler.org/blog" target="_blank">http://courses.neteler.org/blog</a><o:p></o:p></p>
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