<html>
<head>
<meta http-equiv="Content-Type" content="text/html;
charset=windows-1252">
</head>
<body text="#000000" bgcolor="#FFFFFF">
Hi Gavin,<br>
Cool - I missed that bit of the blurb.<br>
What's nice is that it allows one to script the build-vrt process
and use parts of filenames as your processing order :-) (rather
than alphabetical etc)<br>
Regards & thanks,<br>
Zoltan<br>
<br>
<div class="moz-cite-prefix">On 2018/03/16 11:59, Gavin Fleming via
qgis-za-user wrote:<br>
</div>
<blockquote type="cite"
cite="mid:687AC4EB-B727-4D40-82B4-ECB52ACA592D@gmail.com">
<meta http-equiv="Content-Type" content="text/html;
charset=windows-1252">
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=""
moz-do-not-send="true">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=""
moz-do-not-send="true">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/"
moz-do-not-send="true">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"
moz-do-not-send="true">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"
moz-do-not-send="true">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"
moz-do-not-send="true">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"
moz-do-not-send="true">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"
moz-do-not-send="true">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"
moz-do-not-send="true">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"
moz-do-not-send="true">https://lists.osgeo.org/mailman/listinfo/qgis-za-user</a><span
class="Apple-converted-space"> </span><br class="">
</blockquote>
<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="">_______________________________________________</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="">
<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="">qgis-za-user mailing list</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="">
<a href="mailto:qgis-za-user@lists.osgeo.org"
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="" moz-do-not-send="true">qgis-za-user@lists.osgeo.org</a><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="">
<a
href="https://lists.osgeo.org/mailman/listinfo/qgis-za-user"
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="" moz-do-not-send="true">https://lists.osgeo.org/mailman/listinfo/qgis-za-user</a><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>
</blockquote>
</div>
<br class="">
</div>
<br>
<fieldset class="mimeAttachmentHeader"></fieldset>
<br>
<pre wrap="">_______________________________________________
qgis-za-user mailing list
<a class="moz-txt-link-abbreviated" href="mailto:qgis-za-user@lists.osgeo.org">qgis-za-user@lists.osgeo.org</a>
<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>
</pre>
</blockquote>
<br>
<pre class="moz-signature" cols="72">--
=============================================
Zoltan Szecsei GPrGISc 0031
Geograph (Pty) Ltd.
GIS and Photogrammetric Services
P.O. Box 7, Muizenberg 7950, South Africa.
Mobile: +27-83-6004028
Fax: +27-86-6115323 <a class="moz-txt-link-abbreviated" href="http://www.geograph.co.za">www.geograph.co.za</a>
=============================================</pre>
</body>
</html>