Newbie

[Gowtham Ashok]

Hello DigiKam Developers,

Introduction

I am Gowtham Ashok (IRC:gwty) , a 2nd year CS undergrad at Madras Institute of Technology, Chennai,India.

I would like to be a contributor to digiKam, and possibly do a GSoC project on the same[was thinking on the lines of Cloud Integration Export Plugin].

Relevant things I have done:

-made non-trivial QT C++ application with QT Creator.

-compiled and run digiKam from anongit source.

What I want to do

Mr.Caullier suggested me to look at the Small Projects to Introduce Students(from digikam-users mailing list).

I would like to work on removing the internal Clapack Library.

To my understanding, the Clapack Library is used in the Sharpen filter to perform matrix operations. 

The problem found was the requirement of an additional library Clapack(which depended on Fortran), when a better library(Eigen), which used pure C++ Code was available.

Please correct me if I am wrong, and suggest me what I have to do next.

Thanks

_______________________________________________
Digikam-devel mailing list
[hidden email]
https://mail.kde.org/mailman/listinfo/digikam-devel

[Gilles Caulier-4]

2013/3/9 Gowtham Ashok <[hidden email]>

Hello DigiKam Developers,

Introduction

I am Gowtham Ashok (IRC:gwty) , a 2nd year CS undergrad at Madras Institute of Technology, Chennai,India.

I would like to be a contributor to digiKam, and possibly do a GSoC project on the same[was thinking on the lines of Cloud Integration Export Plugin].

Relevant things I have done:

-made non-trivial QT C++ application with QT Creator.

-compiled and run digiKam from anongit source.

About Cloud Export project, i let Smit Mehta to give information and details.

 

What I want to do

Mr.Caullier suggested me to look at the Small Projects to Introduce Students(from digikam-users mailing list).

I would like to work on removing the internal Clapack Library.

To my understanding, the Clapack Library is used in the Sharpen filter to perform matrix operations. 

Exactly. More precisely, Refocus Filter, and only this one :

https://projects.kde.org/projects/extragear/graphics/digikam/repository/revisions/master/entry/libs/dimg/filters/sharp/refocusfilter.cpp 

 

The problem found was the requirement of an additional library Clapack(which depended on Fortran),

yes, originally, but a converted to C version exist and it integrated to digiKam core here :

https://projects.kde.org/projects/extragear/graphics/digikam/repository/revisions/master/show/libs/3rdparty/clapack

 

when a better library(Eigen), which used pure C++ Code was available.

Yes, Eigen. Take a care that currently there is also another one named Atlas, which is conditional to replace clapack if available.

The goal, as you can read in bug-report, is to replace Atlas optional dependency by Eigen, and remove clapack from digiKam core.

Removing Atlas have been decided because it's a more complex dependency to manage. It's a huge GUI. Also some part of KDE depend already of Eigen, not Atlas.

Refocus filter, and only this one must become optional in GUI, if Eigen is available. Sharp and UnsharpMask filter must be always available in GUI.

Uncomplete Patch already exist in bugzilla. It must be improved, especially about cmake script to detect and manage Eigen and code to compile accordingly with dependency results.

 

Gilles Caulier

_______________________________________________
Digikam-devel mailing list
[hidden email]
https://mail.kde.org/mailman/listinfo/digikam-devel

[Smit Mehta]

Hi Gowtham

Thanks for your interest in digiKam. I have listed all the tasks a student is expected to do along with the idea only on http://community.kde.org/GSoC/2013/Ideas. For a detailed discussion, better mail me privately, so that we dont spam the entire group.

On Sat, Mar 9, 2013 at 1:36 PM, Gilles Caulier <[hidden email]> wrote:

2013/3/9 Gowtham Ashok <[hidden email]>

Hello DigiKam Developers,

Introduction

I am Gowtham Ashok (IRC:gwty) , a 2nd year CS undergrad at Madras Institute of Technology, Chennai,India.

I would like to be a contributor to digiKam, and possibly do a GSoC project on the same[was thinking on the lines of Cloud Integration Export Plugin].

Relevant things I have done:

-made non-trivial QT C++ application with QT Creator.

-compiled and run digiKam from anongit source.

About Cloud Export project, i let Smit Mehta to give information and details.

 

What I want to do

Mr.Caullier suggested me to look at the Small Projects to Introduce Students(from digikam-users mailing list).

I would like to work on removing the internal Clapack Library.

To my understanding, the Clapack Library is used in the Sharpen filter to perform matrix operations. 

Exactly. More precisely, Refocus Filter, and only this one :

https://projects.kde.org/projects/extragear/graphics/digikam/repository/revisions/master/entry/libs/dimg/filters/sharp/refocusfilter.cpp 

 

The problem found was the requirement of an additional library Clapack(which depended on Fortran),

yes, originally, but a converted to C version exist and it integrated to digiKam core here :

https://projects.kde.org/projects/extragear/graphics/digikam/repository/revisions/master/show/libs/3rdparty/clapack

 

when a better library(Eigen), which used pure C++ Code was available.

Yes, Eigen. Take a care that currently there is also another one named Atlas, which is conditional to replace clapack if available.

The goal, as you can read in bug-report, is to replace Atlas optional dependency by Eigen, and remove clapack from digiKam core.

Removing Atlas have been decided because it's a more complex dependency to manage. It's a huge GUI. Also some part of KDE depend already of Eigen, not Atlas.

Refocus filter, and only this one must become optional in GUI, if Eigen is available. Sharp and UnsharpMask filter must be always available in GUI.

Uncomplete Patch already exist in bugzilla. It must be improved, especially about cmake script to detect and manage Eigen and code to compile accordingly with dependency results.

 

Gilles Caulier

_______________________________________________
Digikam-devel mailing list
[hidden email]
https://mail.kde.org/mailman/listinfo/digikam-devel

--
Smit Mehta
Junior year, B.Tech
Computer Science and Engineering
IIT Madras
[phone]

_______________________________________________
Digikam-devel mailing list
[hidden email]
https://mail.kde.org/mailman/listinfo/digikam-devel