[hugin-ptx] Re: [OSX] Hugin 2010.1.0 svn5138 32/64-bit bundle

2010-05-05 Thread Martin Middelhoek 
Hi Harry,

I have gathered a minimum test set for you, to test the hdr
capabilities of enblend.
It is still 20MB, mainly because of the images. I don't know the
limits of the file area of this newsgroup so I put the file on my own
site.
Just download from this link:

http://www.middelhoek.com/downloads/test.zip

On May 4, 1:52 pm, Harry van der Wolf  wrote:
> Hi Martin,
>
> 2010/5/4 Martin Middelhoek 
>
> > Hi,
>
> > there is now a new problem with the control point editor on 10.6.3
> > Intel.
> > When I place a new CP it shows the zoomed-in square and crosshair, but
> > the crosshair can not be dragged with the pointer. Only when I click
> > at a different location will the square jump to the new position. The
> > Wx again?
>
> I think so. This belongs to the same error as well. I had forgotten about
> it. It means that I have to rebuild wxmac again according our patched way.
>
> > Also, as noticed before, the new enblends do not support HDR (either
> > EXR or TIFF).
>
> Yes, I did read that and I was a little suprised. Both enblend and enfuse
> were compiled against openexr and should read those files. They can't write
> exr files.
> Do you have a test set, so I can try and troubleshoot?
>
> Harry
>
>
>
>
>
> > Sorry to be the messenger of bad news...
>
> > On May 3, 2:07 pm, Harry van der Wolf  wrote:
> > > Hi mac users,
>
> > > A new 32/64-bit bundle. I might continue building these mixed
> > 4-architecture
> > > builds. The only point is that they take twice as much time to build,
> > both
> > > the "external" libraries/binaries as well as the bundle it self and that
> > it
> > > takes twice as much space.
>
> > > In this bundle:
> > > * more fixes/enhancements by Thomas Modes and James Legg.
>
> > > * Pablo's patent free panomatic still as 32bit build as the 64bit build
> > > segfaults.
>
> > > * The "Find Control Point" dialog should no longer hang on
> > > ppc/(Snow)Leopard. I don't know about Tiger as I can't test that. If it
> > > still hangs on Tiger I think I know what to do.
>
> > > * WxMac aka WxWidgets aka WxWindows upgraded from 2.8.10 to 2.8.11. Until
> > > now we needed to apply a patch as <=2.8.10 "bleeded"  through. The CP tab
> > > images would show "through" other panes if something got changed. This
> > seems
> > > to be fixed now. Please test this. It is easy to test: Set Hugin to any
> > pane
> > > but the ControlPoints pane. Open the CP table and delete some CP's. The
> > > ControlPoint pane will show up. Now change to another pane again and see
> > > what happens and repeat the CP delete in the CP table.
>
> > > As always: Information and binaries via my website
> > > <
> >http://panorama.dyndns.org/index.php?lang=en&subject=Hugin&texttag=Hugin>.
>
> > > (The binaries themselves are served from hugin.panotools.org who kindly
> > > provide the disk space and bandwidth).
>
> > > Hoi,
> > > Harry
>
> > > --
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Re: [hugin-ptx] optimization problems (translation)

2010-05-05 Thread Uwe Koch Kronberg 
Just a suggestion: I also live in America, but wouldn't use an 
"American" spell-checker; an USA-English spell-checker would be possible 
more accurate. ;-)


Pardon for the distinction.

El 05/05/10 09:26, Bruno Postle escribió:

On 5 May 2010 07:51, Oskar Sander

   

My reasoning here is for the rectilinear case. I'm not sure what happens in
the other projections, maybe there is a need to project on something else
than a plane?
 

Yes, although stitching a mosaic is more interesting, the other major
use case is for patching the nadir of spherical panoramas.

i.e. if you shoot a panorama with a tripod it isn't possible to do the
nadir without moving the tripod out of the way, this shot will have a
lot of parallax error.

The mosaic mode is ideal for fitting this extra patch into the rest of
the floor, except that currently the stitch is limited to 180deg, even
for equirectangular output. This is probably possible to work around,
but it still leaves the nadir in the centre of the panorama, which
other advantages, but which will confuse users.

   

(BTW: Is there a definition for panosphere, I had to add it to my
spell-checker which otherwise suggests pantyhose ;-)
 

Sounds like an American spell-checker, mine suggests 'ionosphere' :-).

   


--

Uwe Koch Kronberg
Enrique Koch y Cía. Ltda.
Fono: + 56 32 2543464
Fax: + 56 32 2543465
E-mail: uwe.k...@opticakoch.cl 

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Re: [hugin-ptx] optimization problems (translation)

2010-05-05 Thread Bruno Postle 
On 5 May 2010 07:51, Oskar Sander

> My reasoning here is for the rectilinear case. I'm not sure what happens in
> the other projections, maybe there is a need to project on something else
> than a plane?

Yes, although stitching a mosaic is more interesting, the other major
use case is for patching the nadir of spherical panoramas.

i.e. if you shoot a panorama with a tripod it isn't possible to do the
nadir without moving the tripod out of the way, this shot will have a
lot of parallax error.

The mosaic mode is ideal for fitting this extra patch into the rest of
the floor, except that currently the stitch is limited to 180deg, even
for equirectangular output. This is probably possible to work around,
but it still leaves the nadir in the centre of the panorama, which
other advantages, but which will confuse users.

> (BTW: Is there a definition for panosphere, I had to add it to my
> spell-checker which otherwise suggests pantyhose ;-)

Sounds like an American spell-checker, mine suggests 'ionosphere' :-).

-- 
Bruno

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Re: [hugin-ptx] optimization problems (translation)

2010-05-05 Thread Oskar Sander 
There should be ways to get around that, at least for "true" mosaics.

The limitation is that the panorama camera and mosaic projection plane is
fixed.  A mosaic can have unlimited FOV if you add up the individual mosaic
images, however the panorama camera can only have a max FOV of the plane
180.

However, in the typical rectilinear application of a mosaic the panorama
camera should overlook the view "from a distance", that is from a point
further away from the subject than the individual images.

Intuitively this may be possible to achieve by "scaling down"  the
individual images and thus the scene projected on the plane. Potential ways
to do this are for example:
* Smaller FOV (E.g. if final scene should be 90deg wide and is 10 images
long, the FOV should be 9, regardless of actual camera FOV)
* different starting Z-value that takes the cameras closer to the plane.
* A projection plane that is configurable and is farther away from the
panosphere.


My reasoning here is for the rectilinear case. I'm not sure what happens in
the other projections, maybe there is a need to project on something else
than a plane?


Cheers
O

(BTW: Is there a definition for panosphere, I had to add it to my
spell-checker which otherwise suggests pantyhose ;-)


2010/5/5 Bruno Postle 

> On Tue 04-May-2010 at 10:40 -0700, Alex Romosan wrote:
>
>> i have a panorama with a field of view greater than 180 (in this case it
>> is 218). if i try to optimize translation the edges of the panorama get
>> chopped. it took me a while to figure this out but i think i finally got
>> it. switching projections from equirectangular to orthographic ends up
>> truncating the panorama in exactly the same way. the maximum field of
>> view for an orthographic projection is 180 so that makes sense.
>>
>
> Almost, the mosaic/XYZ/translation mode works internally in rectilinear
> space which is limited to 180°, equirectangular panoramas wider than 180°
> get cropped.  I'm not sure if this is something that can be eventually
> worked-around, or if it is a fundamental limitation of the approach taken
> with the current mosaic code.
>
> --
> Bruno
>
>
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-- 
/O

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