<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Hi Zoltan<div class=""><br class=""></div><div class=""><blockquote type="cite" class="">If there is some amount of spatial overlapping between files, the order
of files appearing in the list of source matter: files that are listed
at the end are the ones from which the content will be fetched.<br class=""></blockquote><div class=""><br class=""></div>from <a href="http://www.gdal.org/gdalbuildvrt.html" class="">http://www.gdal.org/gdalbuildvrt.html</a> <br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On 16 Mar 2018, at 11:34, Mazano via qgis-za-user <<a href="mailto:qgis-za-user@lists.osgeo.org" class="">qgis-za-user@lists.osgeo.org</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><p style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255);" class="">Hi Zoltan<br class=""></p><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255);" class=""><div class="moz-cite-prefix" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255);">On 03/16/2018 10:18 AM, Zoltan via qgis-za-user wrote:<br class=""></div><blockquote type="cite" cite="mid:5AAB7DBB.6030609@geograph.co.za" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255);" class="">Hi,<span class="Apple-converted-space"> </span><br class="">Is there a (repeatable) way to specify the stacking order of rasters in a VRT?<span class="Apple-converted-space"> </span><br class="">Maybe by adding them one by one, oldest first?<span class="Apple-converted-space"> </span><br class=""></blockquote><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); float: none; display: inline !important;" class="">Have you tried using the plugin<span class="Apple-converted-space"> </span></span><a moz-do-not-send="true" href="https://bitbucket.org/jakimowb/virtual-raster-builder" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255);" class="">Virtual-raster-builder</a><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); float: none; display: inline !important;" class="">. It provides a nice GUI for creating stacks and it might do what you want to do.</span><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255);" class=""><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255);" class=""><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); float: none; display: inline !important;" class="">Regards</span><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255);" class=""><blockquote type="cite" cite="mid:5AAB7DBB.6030609@geograph.co.za" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255);" class=""><br class="">The National orthos in South Africa have an overlap region and as they are flown in different time periods, I want to specify the stacking order and not 'blend' the pixels or put older ones on top when viewing the VRT.<span class="Apple-converted-space"> </span><br class=""><br class=""><br class="">Thanks in advance,<span class="Apple-converted-space"> </span><br class="">Zoltan<span class="Apple-converted-space"> </span><br class=""><br class="">--<span class="Apple-converted-space"> </span><br class=""><br class="">=============================================<span class="Apple-converted-space"> </span><br class="">Zoltan Szecsei GPrGISc 0031<span class="Apple-converted-space"> </span><br class="">Geograph (Pty) Ltd.<span class="Apple-converted-space"> </span><br class="">GIS and Photogrammetric Services<span class="Apple-converted-space"> </span><br class=""><br class="">P.O. Box 7, Muizenberg 7950, South Africa.<span class="Apple-converted-space"> </span><br class=""><br class="">Mobile: +27-83-6004028<span class="Apple-converted-space"> </span><br class="">Fax: +27-86-6115323 <span class="Apple-converted-space"> </span><a class="moz-txt-link-abbreviated" href="http://www.geograph.co.za/">www.geograph.co.za</a><span class="Apple-converted-space"> </span><br class="">=============================================<span class="Apple-converted-space"> </span><br class=""><br class="">_______________________________________________<span class="Apple-converted-space"> </span><br class="">qgis-za-user mailing list<span class="Apple-converted-space"> </span><br class=""><a class="moz-txt-link-abbreviated" href="mailto:qgis-za-user@lists.osgeo.org">qgis-za-user@lists.osgeo.org</a><span class="Apple-converted-space"> </span><br class=""><a class="moz-txt-link-freetext" href="https://lists.osgeo.org/mailman/listinfo/qgis-za-user">https://lists.osgeo.org/mailman/listinfo/qgis-za-user</a><span class="Apple-converted-space"> </span><br class="">NB: This Email and its contents are subject to the Eskom Holdings SOC Ltd EMAIL LEGAL NOTICE which can be viewed at<a class="moz-txt-link-freetext" href="http://www.eskom.co.za/Pages/Email_Legal_Spam_Disclaimer.aspx">http://www.eskom.co.za/Pages/Email_Legal_Spam_Disclaimer.aspx</a><span class="Apple-converted-space"> </span><br class="">_______________________________________________<span class="Apple-converted-space"> </span><br class="">qgis-za-user mailing list<span class="Apple-converted-space"> </span><br class=""><a class="moz-txt-link-abbreviated" href="mailto:qgis-za-user@lists.osgeo.org">qgis-za-user@lists.osgeo.org</a><span class="Apple-converted-space"> </span><br class=""><a class="moz-txt-link-freetext" href="https://lists.osgeo.org/mailman/listinfo/qgis-za-user">https://lists.osgeo.org/mailman/listinfo/qgis-za-user</a><span class="Apple-converted-space"> </span><br class="">_______________________________________________<span class="Apple-converted-space"> </span><br class="">qgis-za-user mailing list<span class="Apple-converted-space"> </span><br class=""><a class="moz-txt-link-abbreviated" href="mailto:qgis-za-user@lists.osgeo.org">qgis-za-user@lists.osgeo.org</a><span class="Apple-converted-space"> </span><br class=""><a class="moz-txt-link-freetext" href="https://lists.osgeo.org/mailman/listinfo/qgis-za-user">https://lists.osgeo.org/mailman/listinfo/qgis-za-user</a><span class="Apple-converted-space"> </span><br class=""></blockquote><br style="font-family: Helvetica; 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