<div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Jan 19, 2017 at 7:55 AM, Even Rouault <span dir="ltr"><<a href="mailto:even.rouault@spatialys.com" target="_blank">even.rouault@spatialys.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><u></u>
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</span><p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">It seems that in ArcGIS 9.3, .aux.xml had their <GeodataXform> right at the root of the XML tree (so not at all compatible with GDAL .aux.xml formalism), and that in ArcGIS 10, they moved it as a GDAL PAM xml:ESRI metadata domain.</p>
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<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px">I've just added in trunk support for reading those GCPs. The "fun" fact is that the (pixel,line) coordinates of GCPs are given not in pixels from the top-left corner of the image but in inches from the bottom-left corner...</p><span class="">
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<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"><br></p></span></div></blockquote><div><br></div><div>Outstanding! This is just what I need.</div><div><br></div><div>I was able to use today's version from GISInternals (great site, by the way!!) to convert my files to a regular georeferenced GeoTIFF with</div><div><br></div><div>gdalwarp -tps USGS.tif output.tif</div><div><br></div><div>Thanks very much,</div><div><br></div><div>carl</div></div></div></div>