Darktable et nikon

[patrick L]

et comment je fais pour faire reconnaitre mes fichiers ne sont pas reconnus par darktable .

et comment savoir le format de compression nef de nikon ?

 

$ exiftool -g img_2016-10octobre-17_18-34-24_lundi.NEF
---- ExifTool ----
ExifTool Version Number         : 10.10
---- File ----
File Name                       : img_2016-10octobre-17_18-34-24_lundi.NEF
Directory                       : .
File Size                       : 23 MB
File Modification Date/Time     : 2016:10:17 18:34:24+02:00
File Access Date/Time           : 2016:10:17 21:00:17+02:00
File Inode Change Date/Time     : 2016:10:17 18:27:20+02:00
File Permissions                : rwxr-x--x
File Type                       : NEF
File Type Extension             : nef
MIME Type                       : image/x-nikon-nef
Exif Byte Order                 : Big-endian (Motorola, MM)
---- EXIF ----
Make                            : NIKON CORPORATION
Camera Model Name               : NIKON D3200
Orientation                     : Horizontal (normal)
Software                        : Ver.1.03
Modify Date                     : 2016:10:17 18:34:24
Jpg From Raw Start              : 933888
Jpg From Raw Length             : 3497061
Y Cb Cr Positioning             : Co-sited
Image Width                     : 6080
Image Height                    : 4012
Bits Per Sample                 : 12
Compression                     : Nikon NEF Compressed
Photometric Interpretation      : Color Filter Array
Strip Offsets                   : 4431360
Samples Per Pixel               : 1
Rows Per Strip                  : 4012
Strip Byte Counts               : 19712325
X Resolution                    : 300
Y Resolution                    : 300
Planar Configuration            : Chunky
Resolution Unit                 : inches
CFA Repeat Pattern Dim          : 2 2
CFA Pattern 2                   : 0 1 1 2
Subfile Type                    : Reduced-resolution image
Other Image Start               : 173568
Other Image Length              : 760313
Reference Black White           : 0 255 0 255 0 255
Exposure Time                   : 1/160
F Number                        : 4.5
Exposure Program                : Aperture-priority AE
ISO                             : 800
Sensitivity Type                : Recommended Exposure Index
Create Date                     : 2016:10:17 18:34:24
Exposure Compensation           : -4/3
Max Aperture Value              : 4.4
Metering Mode                   : Center-weighted average
Light Source                    : Unknown
Flash                           : No Flash
Focal Length                    : 55.0 mm
User Comment                    :
Sub Sec Time                    : 40
Sub Sec Time Original           : 40
Sub Sec Time Digitized          : 40
Sensing Method                  : One-chip color area
File Source                     : Digital Camera
Scene Type                      : Directly photographed
Custom Rendered                 : Normal
Exposure Mode                   : Auto
Digital Zoom Ratio              : 1
Focal Length In 35mm Format     : 82 mm
Scene Capture Type              : Standard
Gain Control                    : Low gain up
Contrast                        : Normal
Saturation                      : Normal
Sharpness                       : Normal
Subject Distance Range          : Unknown
GPS Version ID                  : 2.3.0.0
Date/Time Original              : 2016:10:17 18:34:24
TIFF-EP Standard ID             : 1 0 0 0
---- MakerNotes ----
Maker Note Version              : 2.10
Quality                         : RAW
White Balance                   : Auto
Focus Mode                      : AF-S
Flash Setting                   :
Flash Type                      :
White Balance Fine Tune         : 0 0
WB RB Levels                    : 2.19921875 1.49609375 1 1
Program Shift                   : 0
Exposure Difference             : 0
Preview Image Start             : 24076
Preview Image Length            : 91388
Flash Exposure Compensation     : 0
ISO Setting                     : 800
External Flash Exposure Comp    : 0
Flash Exposure Bracket Value    : 0.0
Exposure Bracket Value          : 0
Crop Hi Speed                   : Off (6080x4012 cropped to 6080x4012 at pixel 0,0)
Exposure Tuning                 : 0
Serial Number                   : 7421128
Color Space                     : sRGB
VR Info Version                 : 0100
Vibration Reduction             : On
VR Mode                         : Normal
Active D-Lighting               : Auto
Picture Control Version         : 0100
Picture Control Name            : Standard
Picture Control Base            : Standard
Picture Control Adjust          : Default Settings
Picture Control Quick Adjust    : Normal
Brightness                      : Normal
Hue Adjustment                  : None
Filter Effect                   : n/a
Toning Effect                   : n/a
Toning Saturation               : n/a
Time Zone                       : +01:00
Daylight Savings                : Yes
Date Display Format             : D/M/Y
ISO Expansion                   : Off
ISO2                            : 800
ISO Expansion 2                 : Off
Auto Distortion Control         : On
Lens Type                       : G VR
Lens                            : 55-300mm f/4.5-5.6
Flash Mode                      : Did Not Fire
Shooting Mode                   : Single-Frame
Contrast Curve                  : (Binary data 578 bytes, use -b option to extract)
Shot Info Version               : 0224
Firmware Version                : 1.03
NEF Compression                 : Lossy (type 2)
Noise Reduction                 : Off
NEF Linearization Table         : (Binary data 624 bytes, use -b option to extract)
WB GRBG Levels                  : 256 563 383 256
Lens Data Version               : 0204
Exit Pupil Position             : 75.9 mm
AF Aperture                     : 4.6
Focus Position                  : 0x32
Focus Distance                  : 8.91 m
Lens ID Number                  : 172
Lens F Stops                    : 4.67
Min Focal Length                : 55.0 mm
Max Focal Length                : 302.0 mm
Max Aperture At Min Focal       : 4.5
Max Aperture At Max Focal       : 5.7
MCU Version                     : 174
Effective Max Aperture          : 4.5
Raw Image Center                : 3040 2006
Retouch History                 : None
Shutter Count                   : 11448
Flash Info Version              : 0105
Flash Source                    : None
External Flash Firmware         : n/a
External Flash Flags            : (none)
Flash Commander Mode            : Off
Flash Control Mode              : Off
Flash Compensation              : 0
Flash GN Distance               : 0
Flash Color Filter              : None
Flash Group A Control Mode      : Off
Flash Group B Control Mode      : Off
Flash Group C Control Mode      : Off
Flash Group A Compensation      : 0
Flash Group B Compensation      : 0
Flash Group C Compensation      : 0
External Flash Compensation     : 0
Flash Exposure Comp 3           : 0
Flash Exposure Comp 4           : 0
Vari Program                    :
Multi Exposure Version          : 0100
Multi Exposure Mode             : Off
Multi Exposure Shots            : 0
Multi Exposure Auto Gain        : Off
High ISO Noise Reduction        : Minimal
Power Up Time                   : 2015:07:19 18:11:01
AF Info 2 Version               : 0100
Contrast Detect AF              : Off
AF Area Mode                    : Single Area
Phase Detect AF                 : On (11-point)
Primary AF Point                : Top
AF Points Used                  : Top
Contrast Detect AF In Focus     : No
File Info Version               : 0100
Directory Number                : 107
File Number                     : 7228
Retouch Info Version            : 0200
Retouch NEF Processing          : Off
---- Composite ----
Aperture                        : 4.5
Auto Focus                      : On
Blue Balance                    : 1.496094
CFA Pattern                     : [Red,Green][Green,Blue]
Image Size                      : 6080x4012
Jpg From Raw                    : (Binary data 3497061 bytes, use -b option to extract)
Lens ID                         : AF-S DX VR Nikkor 55-300mm f/4.5-5.6G ED
Lens                            : 55-300mm f/4.5-5.6 G VR
Megapixels                      : 24.4
Other Image                     : (Binary data 760313 bytes, use -b option to extract)
Preview Image                   : (Binary data 91388 bytes, use -b option to extract)
Red Balance                     : 2.199219
Scale Factor To 35 mm Equivalent: 1.5
Shutter Speed                   : 1/160
Create Date                     : 2016:10:17 18:34:24.40
Date/Time Original              : 2016:10:17 18:34:24.40
Modify Date                     : 2016:10:17 18:34:24.40
Circle Of Confusion             : 0.020 mm
Depth Of Field                  : 5.09 m (7.04 - 12.13 m)
Field Of View                   : 24.6 deg (3.89 m)
Focal Length                    : 55.0 mm (35 mm equivalent: 82.0 mm)
Hyperfocal Distance             : 33.36 m
Light Value                     : 8.7