one approach looks something like this:
1) run two instances of weewx, one for the vantage, and one for the airmar.
weewxd /etc/weewx/vantage.conf
weewxd /etc/weewx/airmar.conf
be sure that the two configuration files refer to:
- separate databases, e.g., /var/lib/weewx/vantage.sdb and
var/lib/weewx/airmar.sdb
- separate HTML_ROOT, e.g., /var/www/vantage and /var/www/airmar
that way you can verify that each component works, no matter how you might
combine data later
2) create a skin that combines the data, with a structure like this:
mkdir /etc/weewx/skins/combined
/etc/weewx/skins/combined/skin.conf
/etc/weewx/skins/combined/index.html.tmpl
the skin.conf will indicate different databases for images, like this:
[ImageGenerator]
...
[[day_images]]
# show barameter from both stations in the barometer graph
[[[daybarometer]]]
[[[[vantage]]]]
data_binding = vantage_binding
data_type = barometer
label = vantage
[[[[airmar]]]]
data_binding = airmar_binding
data_type = barometer
label = airmar
# show only airmar in the wind graph
[[[daywindspeed]]]
[[[[windSpeed]]]]
data_binding = airmar_binding
[[[[windGust]]]]
data_binding = airmar_binding
the index.html.tmpl will use data bindings for any references to variables
(see the customization guide for the syntax for that).
3) create a config file, say 'combined.conf', just for generating reports
from the combined databases.
...
[Station]
...
station_type = unspecified
[StdReport]
[[combined]]
skin = combined
[DataBindings]
[[vantage_binding]]
database = vantage_sqlite
manager = weewx.wxmanager.WXDaySummaryManager
table_name = archive
schema = schemas.wview.schema
[[airmar_binding]]
database = vantage_sqlite
manager = weewx.wxmanager.WXDaySummaryManager
table_name = archive
schema = schemas.wview.schema
[Databases]
[[vantage_sqlite]]
database_name = vantage.sdb
database_type = SQLite
[[airmar_sqlite]]
database_name = airmar.sdb
database_type = SQLite
4) finally, run wee_reports regularly (e.g., via cron) with your combined
config file (and customized skin)
wee_reports /etc/weewx/combined.conf
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