Re: [Lensfun-users] Add more information in lensfun

2015-07-24 Thread Torsten Bronger
Hallöchen! Fabien Castan writes: >>> Currently, we are storing the diagonal (represented by the >>> cropfactor). Since the image itself provides the aspect ratio, >>> this also provides the sensor width. >> >> Ok, I will use that! > > It's not really good, because it creates some rounding error.

Re: [Lensfun-users] Add more information in lensfun

2015-07-24 Thread Fabien Castan
> Currently, we are storing the diagonal (represented by the >> cropfactor). Since the image itself provides the aspect ratio, this >> also provides the sensor width. >> > > Ok, I will use that! > It's not really good, because it creates some rounding error. It could be great to record the raw va

Re: [Lensfun-users] Add more information in lensfun

2015-07-14 Thread Fabien Castan
> > Currently, we are storing the diagonal (represented by the > cropfactor). Since the image itself provides the aspect ratio, this > also provides the sensor width. > Ok, I will use that! But I plan to extend this information because some cameras are able > to operate in different modes (resol

Re: [Lensfun-users] Add more information in lensfun

2015-07-14 Thread Torsten Bronger
Hallöchen! Fabien Castan writes: > [...] > > Are you interested to add information like sensor width in your > database? Currently, we are storing the diagonal (represented by the cropfactor). Since the image itself provides the aspect ratio, this also provides the sensor width. But I plan to

[Lensfun-users] Add more information in lensfun

2015-07-14 Thread Fabien Castan
Hi, I'm working to use lensfun inside OpenMVG, an open source library for Multiple View Geometry which provides Structure from Motion pipelines. http://openmvg.readthedocs.org Just to explain the context: 3D reconstruction algorithms compute the geometry of the scene and retrieve internal camera p