: Strange request for information...

[jasonwinters]

Greetings All!

   I have a rather different use in mind for something like this... I
don't know if there is software around that will
do what I want, but thought this project would be a good start.

  What I would like to do is create an "art" project that uses panoramas
and time...  You can pan around the picture, and
then "zoom" through time.  The idea was to use the zoom features of
something like Marble and supply my own layers
of different "resolution", with different images (taken at different
times) that would reveal when the user zoomed in.

  Is there software around that can be modified to do something like
this?  Can I replace the images in Marble with
my own, to accomplish something like this?

Thanks in advance!

Jason
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[Torsten Rahn-2]

Hi,

Your request isn't as strange as you might think ;)
In fact using Marble as a panorama viewer is something that I'd like to have
implemented properly at some point.

Am Mittwoch 21 Oktober 2009 14:00:56 schrieb Jason Winters:
>   What I would like to do is create an "art" project that uses panoramas
> and time...  You can pan around the picture, and
> then "zoom" through time.  The idea was to use the zoom features of
> something like Marble and supply my own layers
> of different "resolution", with different images (taken at different
> times) that would reveal when the user zoomed in.

Have a look at

http://www.kdedevelopers.org/node/3269
 
The information presented there is a bit outdated already but
it should provide a good starting point to see how you could achieve
your goal. And the best thing is that you don't even need to change source
code in order to make Marble a "Panorama Viewer".

If you have further questions then you can also ask on IRC (freenode,
#marble).

Once you succeed it would be great if you could document your steps and
experience here:

http://techbase.kde.org/Projects/Marble

Regards,

Torsten
 

>   Is there software around that can be modified to do something like
> this?  Can I replace the images in Marble with
> my own, to accomplish something like this?
>
> Thanks in advance!
>
> Jason
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[jasonwinters]

Greetings Torsten,

Torsten Rahn wrote:

Your request isn't as strange as you might think ;)
In fact using Marble as a panorama viewer is something that I'd like to have
implemented properly at some point.
  

Sounds good! :}

Am Mittwoch 21 Oktober 2009 14:00:56 schrieb Jason Winters:
  

  What I would like to do is create an "art" project that uses panoramas
and time...  You can pan around the picture, and
then "zoom" through time.  The idea was to use the zoom features of
something like Marble and supply my own layers
of different "resolution", with different images (taken at different
times) that would reveal when the user zoomed in.
    

Have a look at 

http://www.kdedevelopers.org/node/3269
 
  

I looked through there, and gave some of it a try.  Aside from the small problem of creating
the maps (easy enough to make a utility to do that), the maps are all 8 bit, i.e, grayscale.  This
is not what I had in mind... :}   It did look like the generic concept will work, if it's possible
to change that...

  It looks like you have a grayscale map, and then use tiles of a particular type to fill in the color
and details.  While this is fine for a map, using it as an image doesn't work...   because the color
is in the image, not tiles. :}

  How hard do you think it would be to increase the data from 8 to 24 (or even 30) bit?  So I can
use a full color image (and of course, use full saturation)?

Thanks!

Jason
 

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[Torsten Rahn-2]

Hi Jason,

Colorizing grayscale images is just one out of many possible modes in Marble.

You can use 24 bit images now already:

Just use e.g. the dgml file for the "bluemarble" theme (aka "Satellite View) as
a template.

Also I wonder what utility you are thinking of. Because once you adjusted the
dgml file and have the source file for your panorama photo in place the "map"
gets tiled automatically once you select it.

Have fun,

Torsten

Am Freitag 23 Oktober 2009 18:33:16 schrieb Jason Winters:

> Greetings Torsten,
>
> Torsten Rahn wrote:
> > Your request isn't as strange as you might think ;)
> > In fact using Marble as a panorama viewer is something that I'd like to
> > have implemented properly at some point.
>
> Sounds good! :}
>
> > Am Mittwoch 21 Oktober 2009 14:00:56 schrieb Jason Winters:
> >>   What I would like to do is create an "art" project that uses panoramas
> >> and time...  You can pan around the picture, and
> >> then "zoom" through time.  The idea was to use the zoom features of
> >> something like Marble and supply my own layers
> >> of different "resolution", with different images (taken at different
> >> times) that would reveal when the user zoomed in.
> >
> > Have a look at
> >
> > http://www.kdedevelopers.org/node/3269
>
> I looked through there, and gave some of it a try.  Aside from the small
> problem of creating
> the maps (easy enough to make a utility to do that), the maps are all 8
> bit, i.e, grayscale.  This
> is not what I had in mind... :}   It did look like the generic concept
> will work, if it's possible
> to change that...
>
>   It looks like you have a grayscale map, and then use tiles of a
> particular type to fill in the color
> and details.  While this is fine for a map, using it as an image doesn't
> work...   because the color
> is in the image, not tiles. :}
>
>   How hard do you think it would be to increase the data from 8 to 24
> (or even 30) bit?  So I can
> use a full color image (and of course, use full saturation)?
>
> Thanks!
>
> Jason
>

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[jasonwinters]

Forgot to add the group...
------------------------------------------------
Hey Torsten,

Torsten Rahn wrote:

> Hi Jason,
>
> Colorizing grayscale images is just one out of many possible modes in
> Marble.
>
> You can use 24 bit images now already:
>
> Just use e.g. the dgml file for the "bluemarble" theme (aka "Satellite
> View) as a template.
>  

Ah, I'll take a look at that.  Hadn't occurred to me they'd be different.
> Also I wonder what utility you are thinking of. Because once you
> adjusted the dgml file and have the source file for your panorama
> photo in place the "map" gets tiled automatically once you select it.
>
>  
Ah, but that's not what I want it to do!  Mostly, anyway.  What I want
to do is have it pre-zoomed
to the maximum size, and then use the 'zoom' command to actually move
between images.

For example, say I have a forest scene, and instead of starting all the
way out (looking at the
entire forest), it starts all the way in, say, looking at one tree.

 Then, the 'zoom' option controls successive images; i.e., it's summer,
but zooming in will
gradually take you into winter, on the same tree..  Thus instead of
zooming resolution, I'm
zooming time...

 Actually, I'd love to be able to do *both*, for example, using
shift-zoom for 'time' and normal
zoom for.. well, zoom.. :}

Does that make any more sense?

Thanks!

Jason
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[Torsten Rahn-2]

Hi,

Am Samstag 24 Oktober 2009 10:08:21 schrieb Jason Winters:

> > Also I wonder what utility you are thinking of. Because once you
> > adjusted the dgml file and have the source file for your panorama
> > photo in place the "map" gets tiled automatically once you select it.
> For example, say I have a forest scene, and instead of starting all the
> way out (looking at the
> entire forest), it starts all the way in, say, looking at one tree.
>  Then, the 'zoom' option controls successive images; i.e., it's summer,
> but zooming in will
> gradually take you into winter, on the same tree..  Thus instead of
> zooming resolution, I'm
> zooming time...

Well, in order to accomplish this you won't be able to "abuse" the zoom
feature without actually zooming at the same time.
However we'd like to have a "time travel" mode in Marble with a time travel
slider and such.
It's on our TODO and we'll work on having that feature (possibly for Marble
0.10.0).

For now the only workaround is this: Create different dgmls for different points
of time and then switch between them. That's the only viable workaround I can
see at the moment.
This workaround is also being used here:

http://techbase.kde.org/Projects/Marble/PalaeoMaps

Don't hesitate to post screenshots if you're successful with your panorama
pictures :-)

Regards,
Torsten

>  Actually, I'd love to be able to do *both*, for example, using
> shift-zoom for 'time' and normal
> zoom for.. well, zoom.. :}
>
> Does that make any more sense?
>
> Thanks!
>
> Jason
> _______________________________________________
> kde-edu mailing list
> kde-edu@...
> https://mail.kde.org/mailman/listinfo/kde-edu
>

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