Re: [darktable-user] lens correction for Canon Powershot G7 X under darktable 2.4.1 and Ubuntu 16.04 LTS

2018-02-08 Thread Michael Rasmussen 
On Thu, 8 Feb 2018 17:43:26 -0500
Šarūnas  wrote:

> 
> Does running `lensfun-update-data` make a difference? (It is provided by
> the liblensfun-bin package.)
> 
Running the command above gives (among others):

Canon
Canon PowerShot G7
PowerShot G7
canonG7
4.843


Canon
Canon PowerShot G7 X
PowerShot G7 X (3:2)
canonG7X
2.72


Canon
Canon PowerShot G7 X 4:3
PowerShot G7 X (4:3)
canonG7X
2.94


Canon
Canon PowerShot G7 X 16:9
PowerShot G7 X (16:9)
canonG7X
2.85


Canon
Canon PowerShot G7 X Mark II
PowerShot G7 X Mark II (3:2)
canonG7X
2.72


Canon
Canon PowerShot G7 X Mark II 4:3
PowerShot G7 X Mark II (4:3)
canonG7X
2.94


Canon
Canon PowerShot G7 X Mark II 16:9
PowerShot G7 X Mark II (16:9)
canonG7X
2.85


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Re: [darktable-user] lens correction for Canon Powershot G7 X under darktable 2.4.1 and Ubuntu 16.04 LTS

2018-02-08 Thread Michael Rasmussen 
On Thu, 8 Feb 2018 19:00:17 -0500
Patrick Shanahan  wrote:

> 
> seems it would be simple to do.  have you tried?
> 
Fetches latest camera and lens corrections used in DT. Run the command
as root to install system wide or runs as user to install for running
user.

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Re: [darktable-user] lens correction for Canon Powershot G7 X under darktable 2.4.1 and Ubuntu 16.04 LTS

2018-02-08 Thread Patrick Shanahan 
* Šarūnas  [02-08-18 17:46]:
> On 02/08/2018 04:34 PM, Michael Rasmussen wrote:
> > Hi Tanja,
> > 
> > I have posted this to the list as well so that other readers can follow
> > the discussion.
> > 
> > The reason behind the older version of the library on your installation
> > is because you a running latest LTS version from Ubuntu while I am
> > running Debian Unstable which means the version of my libraries are the
> > latest versions that are not considered experimental. But since you
> > have the library installed this is not the reason for your problem.
> > 
> > On Thu, 8 Feb 2018 21:28:29 +0100
> > "Tanja Etzelstorfer"  wrote:
> > 
> >> Hi Michael!
> >>  
> >> The dpkg command gives the following output:
> >>  
> >> liblensfun-data                    install
> >> liblensfun0                    install
> >>  
> >> seems this is an older version..
> 
> Does running `lensfun-update-data` make a difference? (It is provided by
> the liblensfun-bin package.)

seems it would be simple to do.  have you tried?



-- 
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Re: [darktable-user] lens correction for Canon Powershot G7 X under darktable 2.4.1 and Ubuntu 16.04 LTS

2018-02-08 Thread Šarūnas 
On 02/08/2018 04:34 PM, Michael Rasmussen wrote:
> Hi Tanja,
> 
> I have posted this to the list as well so that other readers can follow
> the discussion.
> 
> The reason behind the older version of the library on your installation
> is because you a running latest LTS version from Ubuntu while I am
> running Debian Unstable which means the version of my libraries are the
> latest versions that are not considered experimental. But since you
> have the library installed this is not the reason for your problem.
> 
> On Thu, 8 Feb 2018 21:28:29 +0100
> "Tanja Etzelstorfer"  wrote:
> 
>> Hi Michael!
>>  
>> The dpkg command gives the following output:
>>  
>> liblensfun-data                    install
>> liblensfun0                    install
>>  
>> seems this is an older version..

Does running `lensfun-update-data` make a difference? (It is provided by
the liblensfun-bin package.)

-- 
Šarūnas Burdulis
math.dartmouth.edu/~sarunas



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Re: [darktable-user] lens correction for Canon Powershot G7 X under darktable 2.4.1 and Ubuntu 16.04 LTS

2018-02-08 Thread Michael Rasmussen 
Hi Tanja,

I have posted this to the list as well so that other readers can follow
the discussion.

The reason behind the older version of the library on your installation
is because you a running latest LTS version from Ubuntu while I am
running Debian Unstable which means the version of my libraries are the
latest versions that are not considered experimental. But since you
have the library installed this is not the reason for your problem.

On Thu, 8 Feb 2018 21:28:29 +0100
"Tanja Etzelstorfer"  wrote:

> Hi Michael!
>  
> The dpkg command gives the following output:
>  
> liblensfun-data                    install
> liblensfun0                    install
>  
> seems this is an older version..
>  
>  
>  
> Gesendet: Donnerstag, 08. Februar 2018 um 18:33 Uhr
> Von: "Michael Rasmussen" 
> An: darktable-user@lists.darktable.org
> Betreff: Re: [darktable-user] lens correction for Canon Powershot G7 X under 
> darktable 2.4.1 and Ubuntu 16.04 LTS
> On Thu, 8 Feb 2018 18:21:05 +0100
> "Tanja Etzelstorfer"  wrote:
> 
> >  
> > All help is higly appreciated! :)
> if you run this commamd: dpkg --get-selections |grep liblens
> 
> Do you get this output?
> 
> liblensfun-data-v1 install
> liblensfun1:amd64 install
> 
> dpkg -s liblensfun-data-v1
> 
> Description: Lens Correction library - Data
> Lensfun is an opensource database of photographic lenses and their
> characteristics. It contains three kinds of objects:
> * mounts
> * cameras
> * lenses
> .
> It is used in various photo-related software in which it allows the
> correction of various artifacts:
> * distortion
> * transveral (also known as lateral) chromatic aberrations
> * vignetting
> * colour contribution of the lens (correcting said "yellowish" or "blueish"
> images)
> 
> 
> --
> Hilsen/Regards
> Michael Rasmussen
> 
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Re: [darktable-user] lens correction for Canon Powershot G7 X under darktable 2.4.1 and Ubuntu 16.04 LTS

2018-02-08 Thread Michael Rasmussen 
On Thu, 8 Feb 2018 18:21:05 +0100
"Tanja Etzelstorfer"  wrote:

>  
> All help is higly appreciated! :)
if you run this commamd: dpkg --get-selections |grep liblens

Do you get this output?

liblensfun-data-v1  install
liblensfun1:amd64   install

dpkg -s liblensfun-data-v1

Description: Lens Correction library - Data
 Lensfun is an opensource database of photographic lenses and their
 characteristics. It contains three kinds of objects:
  * mounts
  * cameras
  * lenses
 .
 It is used in various photo-related software in which it allows the
 correction of various artifacts:
  * distortion
  * transveral (also known as lateral) chromatic aberrations
  * vignetting
  * colour contribution of the lens (correcting said "yellowish" or "blueish"
images)


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[darktable-user] lens correction for Canon Powershot G7 X under darktable 2.4.1 and Ubuntu 16.04 LTS

2018-02-08 Thread Tanja Etzelstorfer 
Hi all!

 

I hope this is the correct environment for my question:

 

When importing the RAW files from my Canon Powershot G7 X (.CR2) they appear strange. It seems the aperture is visible and also some strange cropping/zoom.. I googled a lot and came up with the idea that probably the lens profile is not correct. And really, under darktable 2.4.1 running on Ubuntu, the profile for Canon Powershot G7 X is missing. Under windows and darktable 2.4.1 the profile is there.

How can I import the correct lens profile under Ubuntu?

 

All help is higly appreciated! :)

Best,

Tanja


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