On 12/12/2012 11:07 PM, Terry Duell wrote:
Hello Federico,
On Thu, 13 Dec 2012 07:48:22 +1100, Federico <[email protected]> wrote:
Hi all. I don't have a real camera, I use my phone. When I load photos,
Hugin asks me to enter some camera and lens data which phones specs don't
include.
Lens type: Normal (rectilinear) (I guess phones have normal lenses)
HFOV: <missing>
Focal Length: 3.43
Focal Length Multiplier: <missing>
The camera says it has a horizontal view angle of 66.4, but that is
not in
the exif data.
As those 3 values are related, I now know that entering a Focal Length
Multiplier of 7.71059 yields a HFOV of 66.4.
Is this OK? Maybe my guessing technique has some flaw you can detect.
You can enter a 'guessed' value for the hfov and hugin will usually
figure out a value close to the correct one.
As I understand it, hugin really needs a set of images that make up a
360 deg view to be able to figure out the correct values for the hfov of
the images.
I've noticed something, maybe there's something going on? When I import
a set of photos from my junk phone camera, Hugin asks me for the HFOV et
al. If I select the same photos in a folder, right click and select
"Hugin PTO Generator," the generated PTO file has what turns out to be a
good HFOV value. So is PTO Generator doing something Hugin isn't?
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