A quick 'n' dirty trial shows substantial improvement. I'll pursue this further.
Thanks for the help. BugBear On 21 September 2015 at 21:04, Paul Womack <pwom...@papermule.com> wrote: > Ah - I was optimising "everything", so your advice may well be what I > need. I'll try it and report back. > > BugBear > > On 21 September 2015 at 20:27, Bruno Postle <br...@postle.net> wrote: > >> >> >> On 21 September 2015 11:02:10 BST, paul womack wrote: >> >Under what conditions would the exposure parameters for an image remain >> >unchanged (and, as far as I can tell, wrong) under exposure >> >optimisation? >> >> When exposure optimisation misbehaves, then you need to try these, in >> order: reset to camera EXIF Eev values; if this is OK, then try just >> optimising Eev without any other photometric parameters; probably >> optimising color balance is safe at this point too. >> >> Vignetting calculation requires a large overlap between photos; >> similarly, response curve calculation requires heavy vignetting and/or >> variable exposures between shots. >> >> (You can't calculate the sensor response curve with a set of photos on >> locked exposure and a lens with no vignetting) >> >> -- >> Bruno >> >> -- >> A list of frequently asked questions is available at: >> http://wiki.panotools.org/Hugin_FAQ >> --- >> You received this message because you are subscribed to the Google Groups >> "hugin and other free panoramic software" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to hugin-ptx+unsubscr...@googlegroups.com. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/hugin-ptx/E365A1AD-8B7E-45DE-9112-48139735D229%40postle.net >> . >> For more options, visit https://groups.google.com/d/optout. >> > > -- A list of frequently asked questions is available at: http://wiki.panotools.org/Hugin_FAQ --- You received this message because you are subscribed to the Google Groups "hugin and other free panoramic software" group. To unsubscribe from this group and stop receiving emails from it, send an email to hugin-ptx+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/hugin-ptx/CAES-0n8fe%3DbQnFHtMf%2BgVzwAiG6uC%3D7K8N8GZP_xS6m3HQ4yCg%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
