Started doing the Multi - Filter component for dives.

[Thomas Maisl]

Am 26.09.2014 14:16:51 schrieb Robert Helling:
>
>> Someone talked about extending the image loading infrastructure to include
>> the option to write the depth at the time a picture was taken into the
>> EXIF data of a picture.
>>
>> Last week while teaching a class I talked to a marine biologist who
>> thought this would be a killer feature to have when they do population
>> studies...
>
>
> do you really think an exif field is a good place for that? I am not too
> sure about whether one can simply add further fields to exif and even if
> one could, what software (besides subsurface itself) would be able to
> read that data. One could use the z coordinate of the geolocation field
> but that would be misuse and still not really parseble.
see ticket #165, there are two designated fields, `exif:GPSAltitudeRef` and
`exif:GPSAltitude` available.
> I could think of other ways to export the depth information of images:
> Spit out a html file with links to the images and the depth in captions
> (i.e. human readable), add the depth to the filename, write out a text
> file with file names and depth info.
A list with filename and depth would be a good  start.

Just my 2c
Thomas