Findclouds Manual 21
The final screenshot shows
another image that was
loaded after adjusting and
was rotated automatically by
the given offset angle of -4°. It
is easy to see, that all the
values of Longitude, Latitude,
Centring and Offset Angle
most likely are accurate,
because the sun pointer
matches the position of
moved sun. The arrowhead of
sun pointer is not meant to
point exact to the middle of
the sun and also a little difference in angle won't be a problem, because area of sunmask is a good
deal bigger than area of the sun.
2.7.3 Calibration of zenith angle
This is the configuration window for adjusting the field of view by zenith angle.
It shows a image after being centred, north orientated and fitted into the window by borders of
