I have been running a dual-weewx setup for nearly a year, having added an
Ecowitt system mainly for air quality, with a separate custom DB.
I have been running two separate skins, based on Seasons, with a few charts
including binding from the other DB.
I thought I should really do it properly, and just set up a single skin
with everything I wanted, but I am having problems when there are no data
required from the default binding.
Initially I thought that it was failing *whenever *there was no data from
the default binding, but it seems stranger than that.
The simplest example is co2: The following stanza fails to produce
anything:
[[[dayco2]]]
data_binding = "ecowitt_binding"
[[[[co2]]]]
However, the following works...
[[[dayco2]]]
data_binding = "ecowitt_binding"
[[[[co2]]]]
[[[[barometer]]]]
Note that I am using the ecowitt binding for all data, and the ecowitt
barometer fields are empty, so the plot I get is only for the CO2.
So, from the combinations that I have tried, it seems that
1. you *can *do a plot containing data only in the secondary binding -
sometimes
2. you *cannot *do a plot if none of the data names exist in the default
binding.
3. At least one of the data types named inside square brackets *must
exist in the default binding*, irrespective of whichever binding
supplies the data.
4. I could not trick it by specifying a known name, such as
"[[[[inTemp]]]]" and then overriding with "data_type = co2"
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