<div dir="auto">One idea, probably not optimal:</div><div dir="auto"><br></div><div dir="auto">Use 3 writers.gdal stages and output each band to a different file. Then use GDAL to assemble the three files into a single TIFF. (gdalbuildvrt -separate, followed by gdal_translate to make a tiff from the VRT). </div><div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Sep 28, 2022 at 02:44 Peter Lim <<a href="mailto:peter.lim@gpslands.com">peter.lim@gpslands.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;padding-left:1ex;border-left-color:rgb(204,204,204)">
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<p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)">Using writers.gdal, we could specify only 1 dimension for 1 band to output a tif file.<u style="font-family:Calibri,sans-serif"></u><u style="font-family:Calibri,sans-serif"></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"><u style="font-family:Calibri,sans-serif"></u> <u style="font-family:Calibri,sans-serif"></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(54,95,145)">However, how do we specify 3 dimensions (Red, Green, Blue) for 3 bands to output a tif file.<u style="font-family:Calibri,sans-serif"></u><u style="font-family:Calibri,sans-serif"></u></span></p></div></div><div lang="EN-SG" link="blue" vlink="purple"><div class="m_-3443193511952364290WordSection1">
<p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(54,95,145)"><u style="font-family:Calibri,sans-serif"></u> <u style="font-family:Calibri,sans-serif"></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(54,95,145)"><u style="font-family:Calibri,sans-serif"></u> <u style="font-family:Calibri,sans-serif"></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(54,95,145)">Thank you.<u style="font-family:Calibri,sans-serif"></u><u style="font-family:Calibri,sans-serif"></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(54,95,145)"><u style="font-family:Calibri,sans-serif"></u> <u style="font-family:Calibri,sans-serif"></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(54,95,145)">Best Regards,<u style="font-family:Calibri,sans-serif"></u><u style="font-family:Calibri,sans-serif"></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(54,95,145)"><u style="font-family:Calibri,sans-serif"></u> <u style="font-family:Calibri,sans-serif"></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(54,95,145)">Peter Lim<u style="font-family:Calibri,sans-serif"></u><u style="font-family:Calibri,sans-serif"></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(31,73,125)"><u style="font-family:Calibri,sans-serif"></u> <u style="font-family:Calibri,sans-serif"></u></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:10pt;font-family:Tahoma,sans-serif">From:</span></b><span lang="EN-US" style="font-size:10pt;font-family:Tahoma,sans-serif"> Paul Harwood [mailto:<a href="mailto:runette@gmail.com" target="_blank" style="font-family:Tahoma,sans-serif">runette@gmail.com</a>]
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<b style="font-family:Tahoma,sans-serif">Sent:</b> Wednesday, 28 September 2022 3:29 pm<br>
<b style="font-family:Tahoma,sans-serif">To:</b> Peter Lim<br>
<b style="font-family:Tahoma,sans-serif">Cc:</b> pdal<br>
<b style="font-family:Tahoma,sans-serif">Subject:</b> Re: [pdal] How to generate a colored tif (RGB in 3 bands each) from colored las file<u style="font-family:Tahoma,sans-serif"></u><u style="font-family:Tahoma,sans-serif"></u></span></p>
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<p class="MsoNormal">That would be going from 3D to 2D - you probably need to specify how you want to reduce the dimensions?<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">On Wed, 28 Sept 2022 at 03:55, Peter Lim <<a href="mailto:peter.lim@gpslands.com" target="_blank">peter.lim@gpslands.com</a>> wrote:<u></u><u></u></p>
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<p class="MsoNormal"><span style="color:rgb(54,95,145)">Hi,
</span><u></u><u></u></p>
<p class="MsoNormal"> <u></u><u></u></p>
<p class="MsoNormal"><span style="color:rgb(54,95,145)">May I know is there any way to use PDAL through pipeline to generate a colored tif (RGB in 3 bands each) from colored las file with RGB.</span><u></u><u></u></p>
<p class="MsoNormal"><span style="color:rgb(54,95,145)"> </span><u></u><u></u></p>
<p class="MsoNormal"><span style="color:rgb(54,95,145)">Any help is greatly appreciated.</span><u></u><u></u></p>
<p class="MsoNormal"><span style="color:rgb(54,95,145)"> </span><u></u><u></u></p>
<p class="MsoNormal"><span style="color:rgb(54,95,145)">Thank you.</span><u></u><u></u></p>
<p class="MsoNormal"><span style="color:rgb(54,95,145)"> </span><u></u><u></u></p>
<p class="MsoNormal"><span style="color:rgb(54,95,145)">Best Regards,</span><u></u><u></u></p>
<p class="MsoNormal"><span style="color:rgb(54,95,145)"> </span><u></u><u></u></p>
<p class="MsoNormal"><span style="color:rgb(54,95,145)">Peter Lim</span><u></u><u></u></p>
<p class="MsoNormal"> <u></u><u></u></p>
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