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bazaar

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  • »bazaar« ist der Autor dieses Themas

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1

Samstag, 19. September 2009, 20:12

Entire high of flat pano

Hello,

i has a question about flat partial panoramas i export in multires with krmultires..

All panos i export are configured to see the entire large seen. excellent for horizontal panoramas.

But i wondered for vertical panoramas, where are the lines to change to have all the high of vertical panoramas?

Thank you!!

Greets,

Xavier

2

Samstag, 19. September 2009, 21:07

Hi bazzar,

I am not absolutely sure but, looking at the doc, it seems that the vfov is automatically calculated if not set manualy.
Partial and cylindrical panos:
  • krpano supports now also partial spherical and cylindrical panos.
  • the view is automatically limited to the area of the image (limitview="auto"), but it's necessary to set "fisheye" to "0" for correct limiting.
  • new parameters for the image tag:
    • "hfov" - hortizontal field of view of the image (default=360)
    • "vfov" - vertical field of view of the image (default=automatically calculated)
    • "voffset" - vertical offset (default=0)
If I am not on mistake, this is possible because three datas are known: the image width, height and the hfov....

Then, try the same way as always you do. ;-)

Hope this can help.

Salut.

bazaar

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3

Samstag, 19. September 2009, 23:19

Thank you Michel,

but this doesn't work... if spherical if selected, this ask you for hov, but both 5° or 50° answer return bad results, and only entire larger of vertical panorama..

And for flat pano, nothing is asked...

Bye,
Salut :)

bazaar

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4

Samstag, 19. September 2009, 23:42

OK,

this should be those parameters:

Zitat

limitview
possible values:
"off" - no limiting
"auto" - automatic limiting (default)
"range" - limit to the area set by "hlookatmin","hlookatmax","vlookatmin","vlookatmax"
"lookat" - limit the lookat angle to "hlookatmin","hlookatmax","vlookatmin","vlookatmax"
(when using range limiting the fisheye effect should be set to 0)
But i haven't found yet the exact parameters to see all higher of the pano, and to see it in the center of screen...

bazaar

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5

Samstag, 19. September 2009, 23:54

So,

i think this could seem that:

Zitat

<view hlookat="0"
vlookat="0"
fov="5"
maxpixelzoom="1.00"
fovmax="5"
limitview="range"
hlookatmin="-5"
hlookatmax="+5"
vlookatmin="-1,5"
vlookatmax="+1,5"
/>
But i have a problem: when i go out of the picture at screen, i can't come back into it...
Someone have any solution?

Thanks,

Xavier

6

Sonntag, 20. September 2009, 00:27

Hi bazaar,

Can you give a link to see what is going wrong? I am confusing in trying to understand the problem. *blink* *confused* *smile*

Salut.

bazaar

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7

Sonntag, 20. September 2009, 00:29

ok,

just time to upload..

:)

bazaar

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8

Sonntag, 20. September 2009, 00:52

here is the kind of panorama:

http://www.xavierspertini.com/demo/vitrail/

with this code:

Zitat


<view hlookat="0"
vlookat="0"
fov="5"
maxpixelzoom="0.75"
fovmax="5"
limitview="true"
hlookatmin="-2.5"
hlookatmax="+2.5"
vlookatmin="-1.3"
vlookatmax="+1.3"
/>

9

Sonntag, 20. September 2009, 00:55

Hi bazaar,

I have found this about simulating a flat/2D pano (hfov=1):
XML example - simulating a flat/2D pano (hfov=1):

Quellcode

1
2
3
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5
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<krpano>
    <view fisheye="0" fovmin="0.01" />
    <image type="SPHERE" hfov="1">
        <shpere url="flatpano.jpg" />
    </image>
</krpano>

Perhaps this can help.
Anyway, waiting see your link. ;-)

Salut.

bazaar

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10

Sonntag, 20. September 2009, 01:09

Zitat

Anyway, waiting see your link. ;-)
Thanks,
will see tomorrow i think..

Link is just above
Maybe waiting for the new one? :)

Have a good night!
Xavier

11

Sonntag, 20. September 2009, 03:01

Hi Xavier,

The better <view> code I have found was this one:

Quellcode

1
2
3
4
5
6
7
8
9
10
11
12
<view hlookat="0"
vlookat="0"
fov="2.61"
maxpixelzoom="0.75"
fovmax="2.61"
fovmin="0.01"
limitview="lookat"
hlookatmin="-0.4"
hlookatmax="0.4"
vlookatmin="-1.25"
vlookatmax="+1.25"
/>


fov="2.61" is from the aspect ratio of your image. ratio = 1 : 2.61
hlookatmin + hlookatmax would sum 1 ...... hlookatmin="-0.5" hlookatmax="0.5"
vlookatmin + vlookatmax would sum 2.61 .. vlookatmin="-1.3" vlookatmax="1.3"
To avoid extreme zoom pan left right up down to be centred, I have reduced a little each value.
I my opinion, it would be better to disable the mouse usercontrol giving some buttons to navigate.
I do not know if something better is possible.
Better would be to limit the view on a hfovmax and vfovmax basis. (do not know if I explain well here)

Hope this can help.

Salut.

12

Montag, 21. September 2009, 23:58

Hi,

just to let know - the next krpano 1.0.8 beta 9 - has an automatic mode for displaying the pano at full height (size),

best regards,
Klaus

bazaar

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13

Dienstag, 22. September 2009, 10:27

Well thank you Klaus *smile*
Is there any date to remember? *tongue*

Xavier

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