Yes, I also use erect2cubic, but to have it you need to install Bruno
Postle's Panotools::Script <http://search.cpan.org/dist/Panotools-Script/>.
If someone need it for windows I have it already compiled as a portable
version.

Cheers,

Carlos E G Carvalho (Cartola)
http://cartola.org/360
http://cartola.org/panoforum



2012/6/11 Tim Nugent <timnug...@gmail.com>

> erect2cubic might help here:
>
> erect2cubic
> Takes an equirectangular image and produces a .pto file suitable for
> extracting six cube faces.
>
> Usage:
>    /usr/local/bin/erect2cubic --erect=myerectangular.tif
> --ptofile=cubic.pto
>
> Options:
>    --filespec (panotools format, defaults to 'TIFF_m')
>    --roll     (degrees)
>    --pitch    (degrees, use -90 if nadir is in centre)
>    --yaw      (degrees, adjust position of first cubeface)
>    --face     (cubeface size in pixels, defaults to optimum)
>
>
> On 11 June 2012 16:16, Carl von Einem <c...@einem.net> wrote:
>
>> In the upper areas of an equirectangular image the information is so
>> compressed that it's not easy to use clone tools etc.
>> Usually it helps to reproject to cube faces which have a rectilinear
>> projection and cover 90 x 90 degrees. Especially for the zenith (also the
>> nadir) that helps a lot!
>>
>> So with Hugin, you can load your equirect back into a new project as your
>> input file (lens type: equirectangular, 360 degrees hfov).
>>
>> In "Images" tab set pitch to -90 degrees (in the Fast preview window you
>> can now see the zenith in the center).
>>
>> In "Stitcher" tab set projection to rectilinear and fov to 90 x 90.
>> Press "calculate optimal size" and stitch.
>>
>> With the original panotools this could be done in Photoshop but I bet
>> this would also possible with Kays Python scripts, right?
>>
>> Here is a HowTo for the nadir:
>> <http://panospace.wordpress.**com/2008/03/18/edit-the-nadir/<http://panospace.wordpress.com/2008/03/18/edit-the-nadir/>
>> **>
>>
>> Here is more about it in the panotools wiki:
>> <http://wiki.panotools.org/**Extracting_and_inserting_**rectilinear_Views<http://wiki.panotools.org/Extracting_and_inserting_rectilinear_Views>
>> >
>>
>> Cheers,
>> Carl
>>
>> Carlos Eduardo G. Carvalho (Cartola) schrieb am 11.06.12 16:52:
>>
>>> When using "other images" notice that you can repeat the same image as
>>> many times as you need and do masks so that only the sky on it is used.
>>>
>>> Another approach would be to substitute the whole sky for another... a
>>> sky is a sky :)
>>>
>>> Cheers,
>>>
>>> Carlos E G Carvalho (Cartola)
>>> http://cartola.org/360
>>> http://cartola.org/panoforum
>>>
>>>
>>>
>>> 2012/6/11 Calvin McDonald <c...@ckmcdonald.com <mailto:c...@ckmcdonald.com
>>> >>
>>>
>>>
>>>    Carlos:
>>>
>>>    Thanks so much for taking the time to respond.  Your tips will help
>>>    me out.
>>>
>>>    I do play with masking a bit but I wouldn't call it methodical at
>>>    all.  I kind of do a hit-and-miss approach as I have little skill at
>>>    it.  Occasionally I generate improvement with masks but usually
>>>    not.  I haven't tried using other images.  I'll give that a try.  My
>>>    PS skills improve with every pano I make.  However, I have a long
>>>    way to go to fully use the capability of the tool.  Thanks for the
>>>    image editing pointers - they will help.
>>>
>>>    Calvin
>>>
>>>
>>>
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