dng pitcure to jpg

[salder]

Hi,
I need to convert dng files to jpg including all exif information most important the coordinates and time.
when using image_convert() an jpg image is produced and saved, but the exif information is still the same:
e.g.
image_attributes(img.dng)
property value
1 date:create 2024-01-09T14:49:06+00:00
after image convert:
im property value
1 date:create 2024-01-09T14:49:06+00:00s(img.jpg)
it is still the same but it should be like this:
date:timestamp | 2024-01-10T09:07:14+00:00
let me know if you nedd som files some example!

Best regards
Sven Adler

[jeroen]

Can you please include an example image url and format the code we need to run in ```r such that we can easily reproduce the exact problem ?

[salder]

#I will send the images via mail!

library(magick)
dng.path<-"...../DJI_0468.DNG"
img <- image_read(dng.path,strip = FALSE)
image_attributes(img)

# property                     value
# 1                      date:create 2024-01-09T15:37:11+00:00
# 2                      date:modify 2024-01-09T15:37:16+00:00
# 3                   date:timestamp 2024-01-10T18:24:33+00:00
# 4            dng:camera.model.name                   L1D-20c
# 5                  dng:create.date 2023-08-14T09:12:01+00:00
# 6                dng:exposure.time                     1/100
# 7                     dng:f.number                         4
# 8                 dng:focal.length                  1e+01 mm
# 9  dng:focal.length.in.35mm.format                     28 mm
# 10                dng:gps.altitude                   8e+02 m
# 11                dng:gps.latitude        7e+01 deg 5' 16" N
# 12               dng:gps.longitude    2e+01 deg 2e+01' 18" W
# 13                 dng:iso.setting                     1e+02
# 14                        dng:lens               0-0mm f/0-0
# 15                dng:lens.f.stops                      0.00
# 16                   dng:lens.type                          
# 17                        dng:make                Hasselblad
# 18   dng:max.aperture.at.max.focal                         0
# 19   dng:max.aperture.at.min.focal                         0
# 20          dng:max.aperture.value                         3
# 21            dng:max.focal.length                      0 mm
# 22            dng:min.focal.length                    0.0 mm
# 23               dng:serial.number            0K8THCE0120186
# 24                    dng:software               10.00.14.05
# 25                dng:wb.rb.levels       2.89844 1.83594 1 0

image_convert(img,format = "jpeg")->img_jpg
image_attributes(img_jpg)
#the same as above

#the image attributes av en jpg file should look like this
jpg.path<-"L:/drönare i branter/klimpfjall/DJI_0001.jpg"
img <- image_read(jpg.path,strip = FALSE)
image_attributes(img)

#the img_jpg enfolds not the right propertys which makes it not readable from other programs.
#a function that makes it possible to define the atributes might be a simple resolution, set_attributes?