Perform Calculation on EXIF using XMP?

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LTRusty
Posts: 2
Joined: Mon Sep 12, 2022 8:09 pm

Perform Calculation on EXIF using XMP?

Post by LTRusty »

My altitude data sucks. For whatever reason, the relative altitude (stored in XMP under drone-dji:RelativeAltitude) is correct; but the absolute altitude (drone-dji:AbsoluteAltitude) and EXIF_GPS Altitude are both wrong.

I know how to perform a calculation on EXIF_GPS Altitude: task Set EXIF/IPTC Tag, and set the tag value to, for instance, "EXIF_GPS Altitude + 50." That will add 50M to all of my altitudes. This does not do what I want.

What I need to have happen is to set the tag EXIF_GPS Altitude with a value of "drone-dji:RelativeAltitude+X," where X is local elevation above sea level, and then go back and replace "drone-dji:AbsoluteAltitude" with the modified EXIF_GPS Altitude. How do I make this happen?
LTRusty
Posts: 2
Joined: Mon Sep 12, 2022 8:09 pm

Re: Perform Calculation on EXIF using XMP?

Post by LTRusty »

Anything? Anyone?

Bueller?
Argyle
Posts: 2
Joined: Tue Nov 15, 2022 10:14 pm

Re: Perform Calculation on EXIF using XMP?

Post by Argyle »

I've noticed there is very little in terms of responses since early early in the year. Makes you wonder if the software is abandoned or if the developers were conscripted.
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