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<blockquote type="cite"
cite="mid:dc76e49edefa4a0bbafb603fe86c91e5@iosb.fraunhofer.de">
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<div>If it is not possible to get this information, could you
point out the code snippet that performs the rectification
step?</div>
<div>Since GDAL's code base is quite large, it is not easy to
find the appropriate location.<br>
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Entry point of the logic to compute the transformation from source
pixel coordinates to target pixel coordinates<br>
<p><a class="moz-txt-link-freetext" href="https://github.com/OSGeo/gdal/blob/master/gdal/alg/gdaltransformer.cpp#L1380">https://github.com/OSGeo/gdal/blob/master/gdal/alg/gdaltransformer.cpp#L1380</a></p>
<p>And in the first step of this transformation, when using
polynomial adjustment of GCPs, you'll use:<br>
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<p><a class="moz-txt-link-freetext" href="https://github.com/OSGeo/gdal/blob/master/gdal/alg/gdal_crs.cpp">https://github.com/OSGeo/gdal/blob/master/gdal/alg/gdal_crs.cpp</a><br>
</p>
<p>Even<br>
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<p>-- </p>
<pre class="moz-signature" cols="72"><a class="moz-txt-link-freetext" href="http://www.spatialys.com">http://www.spatialys.com</a>
My software is free, but my time generally not.</pre>
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