> First question: what version of Hugin are you using, and from where:
> - the one that is distributed via the standard Ubuntu repositories?
> - the stable Hugin from the Hugin PPA [0]?
> - the nightly Hugin from the Hugin PPA [0]?
> - Hugin from another source / self built - please specify the details?

I'm using hugin shipped with natty. This is version
2010.4.0.854952d82c8f.

> Was Hugin responsive after the CP finding attempt?  Did Hugin return an error
> message?  If yes what?
>From the information available I can not say what went wrong.  Assuming it was
>on the program's end, it could be one of the following:
>    1- Hugin does not find the selected CP detector
>    2- The selected CP detector does not find any CP
>    3- Hugin or the selected CP finder crashed
>    4- Hugin or the selected CP finder hangs / becomes non-responsive

I reproduced the error es follows: I removed my .hugin to reset it to default 
state and removed the autopano-sift package. 
The error message is

"Warning 6 unconnected image groups found:[0], [1], [2], [3], [4], [5]
Please create control points between unconnected images using the
Control Points tab. After adding the points, press the "Align" button
again"

The list of control point detectors is
autopano-sift which is selected as default
autopano-sift-c
panomatic
macht-n-shift
align image stack

So, obviously the error is because of the default selection of the
control point finder - which is not available per default.

>    To set the default preference, go to the menu "File" -> "Preferences".  In 
> the
>    "Control Points Detectors" tab select "Hugin's CPFind" from the list and 
> hit
>    the "Set default" button.  If you do not see a reference to "Hugin's 
> CPFind"
>    in the list, hit the button "Load Defaults".

This (the "Load Defaults") helped. Now the list includes CPFind.

Since hugin does not work after fresh install (without a .hugin file)
this is still a bug in my opinion.

>    Hugin is FLOSS and as such does not tell you how you should use it.  If
>    autopano works for you, good for you.

Yes - I agree. But it seems desirable that it works per default
preferences.

>    By default Hugin 2010.4.0 and later installs its own CP finder CPFind and 
> does
>    not depend on autopano or other third-party tools.

Great.

>    CPFind was introduced in release 2010.4.0 and improved in release 2011.2.0.
>   Although no complete scientific comparison has been presented to the public
>    yet, there is plenty of evidence that points toward CPFind's superiority 
> over
>    the tools previously plugged into Hugin, including autopano.

Woks like a charm :) ..

Thanks for the detailed comments.

Matthias

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https://bugs.launchpad.net/bugs/817889

Title:
  hugin autopano dependance

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