wwp@yahoogroups.com:
Re: Compression sphere\cylinder
Erik Krause 2005-Jul-22 21:43:00
Am Friday, July 22, 2005 um 23:25 schrieb Krzysztof Wojciechowski:
> My experience is not big, I made just few cylindrical panos 360xabout60
> and I still learn.
> Donald wrote: "Aim for 400-500 k for your standard version, and make it
> look good when displayed at about 570 pixels wide. This should be easy for
> a cylinder, and not too hard for a cubic"
> In general yours small spherical panos are about 1500x3000. I think if I
> want your quality I should make mine 1500 high also. Then I will have
> about 7500 width.
> 1500x3000= 4 500 000
> 1500x7500=11 250 000
> In my opinion cylindrical is harder to compress. Could somebody explain
> where is error in my thinking, please.
In order to get the same angular resolution (pixels per degree) your
360? pano should be 3000 pixels wide - exactly the same as the
sperical one (then both have 8.3 pixels/degree resolution). This
gives a total of 1 800 000 pixels - less than half the amount of the
spherical.
best regards
--
Erik Krause
Offenburger Str. 33
79108 Freiburg