[gdal-dev] Question about .aux.xml sidecar file handling...

[Andrew C Aitchison]

On Thu, 19 Jan 2017, Even Rouault wrote:

> On mercredi 18 janvier 2017 06:55:49 CET Carl Godkin wrote:
>> Hi,
>>
>> I have a geological map in a pair of files called USGS.tif and
>> USGS.tif.aux.xml
>>
>> The XML seems to have ground control points (<SourceGCPs>) and a geographic
>> coordinate system (<SpatialReference>)
>
> GDAL .aux.xml files do no have <SourceGCPs> or <SpatialReference> elements,
> so it looks like this .aux.xml file is a USGS specific one (yikes!)

An .aux.xml file with <SourceGCPs> and <SpatialReference> elements
has come up before, as output from ArcGIS; see
http://osgeo-org.1560.x6.nabble.com/gdal-dev-convert-tif-tfwx-aux-xml-to-a-geotiff-td4981730.html#a4982138

> The names understood by GDAL are <GCPList> and the SRS is stored
> as a Projection attribute of <GCPList>

-- 
Andrew C Aitchison