remapping HDR projections

radiance-general
1

Hi All,

I have some 360deg HDR images in equirectangular format. Does anyone
know how to extract 180degrees equiangular fisheye images out of those?

I am guessing is some magic combination of pcomb command lines.

Any thoughts anyone?

Thanks,

Giovanni

2

I think I used Imagemagick for this. Somewhere in the IM online examples I
found a command to do it and buried it in my scripts. Will take me a bit to
find it but you can try the IM online docs and examples yourself.

Regards,
Thomas

···

On Mon, Oct 15, 2012 at 11:58 AM, Giovanni Betti < [email protected]> wrote:

Hi All, ****

** **

I have some 360deg HDR images in equirectangular format. Does anyone know
how to extract 180degrees equiangular fisheye images out of those?****

I am guessing is some magic combination of pcomb command lines.****

Any thoughts anyone?****

** **

Thanks,****

Giovanni****

** **

** **

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Radiance-general mailing list
[email protected]
http://www.radiance-online.org/mailman/listinfo/radiance-general

3

The IM documentation is here:

http://www.imagemagick.org/Usage/distorts/#circular_distorts

Of course you have to use the HDR capable version of ImageMagick and you
need to experiment a bit to make it fit your needs.

Regards,
Thomas

···

On Tue, Oct 16, 2012 at 9:16 PM, Thomas Bleicher <[email protected]>wrote:

I think I used Imagemagick for this. Somewhere in the IM online examples I
found a command to do it and buried it in my scripts. Will take me a bit to
find it but you can try the IM online docs and examples yourself.

Regards,
Thomas

On Mon, Oct 15, 2012 at 11:58 AM, Giovanni Betti < > [email protected]> wrote:

Hi All, ****

** **

I have some 360deg HDR images in equirectangular format. Does anyone know
how to extract 180degrees equiangular fisheye images out of those?****

I am guessing is some magic combination of pcomb command lines.****

Any thoughts anyone?****

** **

Thanks,****

Giovanni****

** **

** **

_______________________________________________
Radiance-general mailing list
[email protected]
http://www.radiance-online.org/mailman/listinfo/radiance-general

4

Thanks for the pointer, I never tried ImageMagik but seems worth playing
around with!

I'll let you know if I succeed (or fail!)

···

From: Thomas Bleicher [mailto:[email protected]]
Sent: 17 October 2012 14:11
To: Radiance general discussion
Subject: Re: [Radiance-general] remapping HDR projections

The IM documentation is here:

http://www.imagemagick.org/Usage/distorts/#circular_distorts

Of course you have to use the HDR capable version of ImageMagick and you
need to experiment a bit to make it fit your needs.

Regards,

Thomas

On Tue, Oct 16, 2012 at 9:16 PM, Thomas Bleicher <[email protected]> wrote:

I think I used Imagemagick for this. Somewhere in the IM online examples
I found a command to do it and buried it in my scripts. Will take me a
bit to find it but you can try the IM online docs and examples yourself.

Regards,

Thomas

On Mon, Oct 15, 2012 at 11:58 AM, Giovanni Betti <[email protected]> wrote:

  Hi All,

  I have some 360deg HDR images in equirectangular format. Does
anyone know how to extract 180degrees equiangular fisheye images out of
those?

  I am guessing is some magic combination of pcomb command lines.

  Any thoughts anyone?

  Thanks,

  Giovanni

  _______________________________________________
  Radiance-general mailing list
  [email protected]
  http://www.radiance-online.org/mailman/listinfo/radiance-general