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Re: hugin lens settings (was:Is there anything Ptgui can do thatpanotools cant)

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  • Garrett Unglaub
    Thank you I will check it out
    Message 1 of 19 , Nov 4, 2008
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      Thank you I will check it out

      --- In PanoToolsNG@yahoogroups.com, "John Houghton" <j.houghton@...> wrote:
      > --- In PanoToolsNG@yahoogroups.com, "Garrett Unglaub" <cruc10@>
      > wrote:
      > >
      > > Well, the actual problem is the fact that i keep getting a donut
      > > shaped pano in hugin with the same settings as ptgui.
      > Maybe you are relying too much on automatic features. These don't
      > always work perfectly - neither in Hugin nor in PTGui. Have you
      > checked the control point assignments, particularly those between
      > images in the neighborhood of the obvious discontinuities of the
      > output image? With some intelligent manual intervention, you can
      > easily get more-or-less identical results from both PTGui and Hugin.
      > As it's a 360 degree panorama, the hfov of the lens will be evaluated
      > accurately by the optimizer, provided you have a good spread of
      > control points. The optimizer gives a lot of control over what does
      > and doesn't get changed in the optimization if you choose to use it.
      > It can often help if you initialize the yaw values of the images to
      > their approximate known values. (In PTGui, use the Fill Yaw button on
      > the Image Parameters tab to automatically calculate the values).
      > While your PTGui result is quite good, it could do with levelling to
      > get the vertical features properly upright. (Don't overlook the
      > cloud reflections in the lake, which should also be vertically
      > aligned). If you aren't familiar with using t1 (vertical line)
      > control points, I suggest you take a look at this tutorial:
      > http://www.johnhpanos.com/levtut.htm
      > John
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