Hi Martin,
Martin Tomko schrieb:
Dear geo... folks,
following the AR discussion recently, I thought this may be the right
forum to ask, as I assume that Android and iphone devices are widely
used by mobile AR developers.
Would you by any chance know where to find the folllowing information?:
- physical sensor sizes (that is, in mm).
- optical focal length (preferable) or focal length in 35mm equivalent
I did not worked on an implementation yet, but I would assume that you
can read out this parameters from the particular systems OS.
Are you asking for some Android or iPhone API calls, to get this
information or do you mean something else?
Alternatively, do you guys know what angle of view do these devices
have (as far as I know, there is no zoom, so it should be only one
value, right)? For whatever view-based application these parameters
are crucial to compute the visible field of view. And as far as I can
tell, they are not available anywhere...
As far as I know there is zoom. And it should be possible to get the
actual zoom state from the device OS itself.
regards,
Christian
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