paul womack schrieb am 04.02.14 10:03:
I was recently assembling a map from a set of (slightly overlapping)
tiles from a web site, using Hugin 2013 as supplied with Ubuntu.
This was of course a classic case for mosaic mode.
I hit two snags.
1) There is no quick/easy way to use mosaic mode - The Optimise
drop down in "Photos" tab doesn't have "positions X,Y,Z from anchor".
So I had to use "Customer parameters" on the Photos tab,
and then "hand set" the controls.
The manual setting of the custom parameters needs to be done in the
Optimizer tab. Somehow irritating that one needs to switch between these
tabs for one task.
This is VERY labour intensive. There appears
to be no way to set "all the X's" (for example),
or to unset all the Y P R's.
Somehow that worked easier with the table of check marks we had before.
I also struggle with this new approach for manually setting which
parameters to optimize. And where.
How about selecting "Custom parameters..." from the drop down list which
either opens up a dialog to set the parameters or switches to the
optimizer tab. Wait...
One akward behaviour is this: as soon as I set the drop down list in
Photos tab: Optimise: Geometric: to "Positions (y,p,r)"
the project switches into a quasi Simple mode and the Optimizer tab
vanishes (works in Expert mode, too). Try switching between "Custom
parameters" and e.g. "Everything".
What I would like to see is this:
In Photos tab I can select the optimization preset that is closest to
what I want to set. Now when I switch to "Custom parameters" this last
preset is already set in the Optimiser tab and I can fine tune my selection.
Over there I'd like to be able to
- really select/deselect the whole column (now it looks as if roll
optimzation is disabled for the "Anchor" image)
- toggle optimization of one parameter of a certain image by simply
double clicking on it.
Both was possible with the older interface.
2) I found a few mentions of mosaic mode, and
all of them recommended optimising for X,Y,Z.
This went woefully wrong for me. The only way I found
to get a stable optimisation (I was only setting 2 control
points on each overlap) was to set all Z's to 0
and not optimise for Z. (see above for complaint
on the tedium of actually doing this!).
In the particular case of mosaic mode what is the purpose of Z?
Indeed, in hugin's X,Y,Z model, what does Z mean, what does it do?
With X and Y we get a parallel translation of the plane (up/down and
sideways movement of the camera).
Z is needed when the camera also moved away or closer to the mural.
It's like 'in' and 'out' or maybe easier to memorize as 'Z'oom.
Thomas provided this link:
http://wiki.panotools.org/Stitching_a_photo-mosaic
Cheers,
Carl
--
A list of frequently asked questions is available at:
http://wiki.panotools.org/Hugin_FAQ
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