Bruno Postle wrote:
Fancy effects are a good thing, the more fun Hugin is to use the
better. So I really like the idea of animating the transitions between
projections.
The idea with the transitions was actually to animate unfolding of the
sphere to explain the nature of projections.
The transitions between projections actually would also be cool, however
currently I don't really have an idea how I would do this based on the
current code.
Another trick that would help comprehension would be to animate the
transition to layout mode, though this would be harder to implement.
This actually should be significantly easier I think. At list if not
easier, then it could be easily simplified.
Overlaying a standard latitude/longitude grid over the preview would
also help comprehension, I would show this with mouse-over in the
Projection mode and during animated transitions (we need less buttons
and options in Hugin not more).
Yes, this was part of the initial plan. So the idea was that the grid
would be displayed both in the overview on the sphere and in the
projection. Also the grid would contain interleaving colors, so for each
position there would be a unique color to create a more exact
correspondence between the overview grid and the projection grid.
I'm a bit confused about the overview and zoom suggestions, I think
they are orthogonal ideas.
Yes, you are right. I have included both because I'm not sure about the
time needed for both projects, so I might end up writing one proposal
for both or two separate proposals for each topic.
I like the idea of a view of a globe showing the entire sphere around
the camera, however this would need to show the following information:
* A grid that matched the latitude/longitude grid used elsewhere.
* The area with coverage by photos.
* The outline of the current panorama canvas rectangle.
* The outline of the current crop rectangle.
These would also be great additions.
With all this info, I think remapping the photos is superfluous and
would confuse the clarity of the feature as a diagram. Also if it was
a simple line drawing it could be overlaid onto the panorama in
Projection and Drag mode (again using mouse-over for visibility).
Actually once we have the setup it wouldn't be too difficult to add the
photos as well.
What would be useful would be a standard-ish immersive panorama
viewer, where panning around didn't change the panorama itself and
where the wheel mouse zoomed in and out just like QuickTimeVR. This
would be another tab in the preview.
This would be trivial afterwards, since it would just mean to position
the camera in the center of the panosphere.
You have identified that rotating groups in Drag mode is a bit strange
when the group is off-centre, the rotation point could be the 'centre
of gravity' of the group rather than the centre of the panorama.
The current Drag mode where yaw and pitch are changed actually makes
no sense when there are any XYZ mosaic camera transformations in the
project - As the optimiser will simply put the panorama back where it
was.
This doesn't need to be user configurable: when there are XYZ
parameters in the project, Drag mode should switch to an XY
transformation instead of a rotation.
This was actually what I planned on doing as a patch.
Note that we still have some unresolved issues with the fast preview:
Layout mode currently doesn't know about XYZ mosaic parameters, as a
result it draws the photos in crazy positions.
The 'old' preview still isn't integrated, if the remaining
functionality can't be reproduced with OpenGL then the 'old' preview
needs to be moved to another tab in the fast preview at some point.
We have a nice distinction between 'modes' that are switched by
changing tabs and 'actions' that are widgets within those tabs, but
there is a Panorama tab which is a mixture of tools that don't fit
anywhere else, e.g. the 'show points' mode could be another tab, but
doesn't have enough functionality to justify it (It would be nice to
somehow integrate the floating Control Points table with 'show
points').
In general I think that there should be only two tabs, the layout tab,
and a normal tab. Then in the normal tab you would have options to
choose a tool or for example enable 'indentify' mode etc. In this way I
could combine for example using the drag tool and have the control
points displayed.
Thanks a lot for your thoughts.
Best,
Darko
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