Hi all,
I don't find "area_fraction_of_solar_zenith_angle" to be understandable
and I'm not sure the phrase makes sense. I don't see how you can have
an "area of a solar zenith angle" (or an area_fraction of an angle).
One could also be misled into thinking this was somehow related to the
solid angle associated with a cone defined by the zenith angle.
Perhaps some other variant on the earlier suggestions would be better.
(either 3 names, or something related to "distributions" ... afterall
the quantity is calculated by considering the normalized histogram of
pixels (of equal area) placed in 3 different bins: day, night, and
"twilight").
best regards,
Karl
On 1/3/14 12:33 PM, Randy Horne wrote:
Dear Jonathan:
RE:
The first sentence is not clear to me. Does it mean, "The fraction of the
horizontal area where the solar zenith angle is within a specified range"?
Yes, that is what it means.
Incorporating this more clear statement yields the following:
area_fraction_of_solar_zenith_angle
definition:
The fraction of the horizontal area where the solar zenith angle is within a
specified range. A coordinate variable of solar_zenith_angle with boundaries
indicating the range must be specified.
very respectfully,
randy
On Jan 3, 2014, at 2:53 PM, Jonathan Gregory <[email protected]> wrote:
Dear Randy
a single standard name of area_fraction_of_solar_zenith_angle is fine. This
form could be useful for area fractions of other angles, such as platform
zenith angle.
Yes, true. If you're happy with it, then fine.
As far as a definition goes, how about:
fraction of horizontal area resulting from the projection of the solar zenith
angle. A
coordinate variable of solar_zenith_angle with boundaries indicating the
angular extent must be specified.
The first sentence is not clear to me. Does it mean, "The fraction of the
horizontal area where the solar zenith angle is within a specified range"?
An advantage of this more general quantity is that you could contain day,
night, twilight and any other such fraction in a single data variable, if
you wanted to, by having a dimension of size more than one for the solar
zenith angle.
Best wishes
Jonathan
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Randy C. Horne ([email protected])
Principal Engineer, Excalibur Laboratories Inc.
voice & fax: (321) 952.5100
url: http://www.excaliburlabs.com
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