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<p class="MsoNormal">Hi,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US">See <a href="https://gis.stackexchange.com/questions/371579/geotiff-to-envi-gdal-translation-causes-rotation">
https://gis.stackexchange.com/questions/371579/geotiff-to-envi-gdal-translation-causes-rotation</a><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I verified that GDAL 3.2.0dev gives an error for the test image “Warning 1: Geotransform matrix has non rotational terms”.  However, the ENVI header has a line<br>
map info = {Transverse Mercator, 1, 1, 32371999.5, 5679999.5, 1.95121951219512, 1.95121951219512, rotation=90}<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Rotation is handled in <a href="https://github.com/OSGeo/gdal/blob/master/gdal/frmts/raw/envidataset.cpp#L632">
https://github.com/OSGeo/gdal/blob/master/gdal/frmts/raw/envidataset.cpp#L632</a> and it is tested in this autotest
<a href="https://github.com/OSGeo/gdal/blob/master/autotest/gdrivers/envi.py#L312">
https://github.com/OSGeo/gdal/blob/master/autotest/gdrivers/envi.py#L312</a><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><br>
In the data used for the test <a href="https://github.com/OSGeo/gdal/blob/master/autotest/gdrivers/data/envi/rotation.hdr">
https://github.com/OSGeo/gdal/blob/master/autotest/gdrivers/data/envi/rotation.hdr</a> the rotation appears on the last line<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">map info = { UTM , 1.000 , 1.000 , 736600.089 , 4078126.750 , 2.7000000000e+00 , 2.7000000000e+00 , 12 , North , WGS-84 , units=Meters , rotation=-66.00000000 }<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">-Jukka Rahkonen-<o:p></o:p></span></p>
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