On 13 February 2021 00:28:54 GMT, Abrimaal wrote:
>I have made thousands of panoramas and I still don't understand how the
>
>selector "anchor this image for exposure" works.
The anchor image retains the Ev exposure value during optimisation. A good
anchor image has few 'blown-out' overexposed areas.
What you are noticing is that Hugin also has a project-wide Ev setting, which
the assistant automatically sets to the average of all the photos in the
project, so your anchor image may look different in the output because this
average looks at all photos together.
You can change this global Ev in the panorama tab of the fast preview: set it
to the same value as the anchor, and the anchor will have no exposure
adjustment; there is also a reset to average button; and + - buttons that raise
lower the global Ev by ⅓ of a stop to brighten/darken your final panorama.
--
Bruno
--
A list of frequently asked questions is available at:
http://wiki.panotools.org/Hugin_FAQ
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