Before I read your reply I edited units.py and added LakeElev to
group_altitude at the bottom of the ...Dicts whatever-that-is, gave it
some time, had a bourbon, and lo and behold it is now printing out
lake elevation as ""LakeElev 594.75 feet" instead of 594.750000
But I'm going to read your section Assigning a unit group to see what
I did wrong. Don't know how I missed that.
Thanks
Phil
On Sun, Jul 16, 2023 at 10:44 PM Tom Keffer <tkef...@gmail.com> wrote:
>
> The answer is that you're confusing units (such as "inHg") with observation
> types (such as "LakeElev").
>
> The [[[[StringFormats]]]] section uses units as keys, not observation types.
> If LakeElev is measured in meters, it will use whatever formatting has been
> specified for meters.
>
> I suspect that you have not specified which unit group LakeElev is in, so
> WeeWX is just printing out the raw, unformatted value. See the section
> Assigning a unit group for how to do this. Once it's a member of a unit group
> (say "group_altitude") it will use whatever unit that group is measured in
> (usually meters or feet) and follow the formatting conventions for that unit.
>
> Or, maybe you have already done that and something else is wrong, in which
> case, come back and give us more details.
>
> -tk
>
> On Sun, Jul 16, 2023 at 11:45 AM Messy Potamia <messypota...@gmail.com> wrote:
>>
>> re: "3. I'm not following your question about "LakeElev". I don't know
>> what that is."
>> I have a ultrasonic range sensor (MaxBotix) which uses ttyS0 on the pi
>> which some python code (which has been working very well for several
>> years and still is) which writes a single line of text containing two
>> values to a file. My /home/weewx/bin/user/lakedata.py reads the first
>> value, converts it to a float, and stores it in the new parameter I
>> added to the weewx.sdb using the utility to add a column. Using a
>> sqlitebrowser i verified that column is populating every 5 minutes.
>> The name of the column is LakeElev; weewx is successfully displaying
>> that data since I've added it to the proper skins/configs.
>> The only problem is, even after reading & rereading the guides, I
>> don't get how I tell weewx to treat that as a fully organized
>> measurement. For instance, added "[[[[StringFormats]]]]
>> inHg = %.2f" to weewx.conf and it indeed gives the desired
>> format to barometer. However, my attempts to provide a format to
>> LakeElev has met with acute disaster. Here's a segment from my
>> weewx.conf with comments:
>>
>> [[[[StringFormats]]]]
>>
>> count = %d
>> foot = %.2f
>> inch2 = %.1f
>> inHg = %.2f
>> # LakeElev = %.2f #DOES NOTHING
>> # $current.LakeElev.format(format_string="%.2f")
>> #CRASHES STDREPORT THREAD
>> # current.LakeElev.format(format_string="%.2f")
>> #CRASHES ENGINE
>>
>> As you can see I still don't know what I'm doing. Here's the contents
>> of my lakedata.py, which is working fine, but notice the #Note I wrote
>> to myself in it:
>>
>> #!/usr/bin/env python
>>
>> #file user/lakedata.py
>> import weewx
>> import weewx.units
>> from weewx.engine import StdService
>>
>> class AddLakedata(StdService):
>>
>> def __init__(self, engine, config_dict):
>> # Initialize my superclass first:
>> super(AddLakedata, self).__init__(engine, config_dict)
>> # Bind to any new archive record events:
>> self.bind(weewx.NEW_ARCHIVE_RECORD, self.new_archive_packet)
>>
>> def new_archive_packet(self, event):
>>
>> #(code that reads two measurements from a file)
>> with open("/home/pi/wxdata/weewxmbdata.dat") as f:
>> for line in f:
>> numbers_str = line.split()
>> numbers_float = [float(x) for x in
>> numbers_str]
>> value1 = numbers_float[0]
>> value2 = numbers_float[1]
>>
>> event.record['LakeElev'] = value1
>> # event.record['lakeWaveheight'] = value2
>>
>> #
>> #Am I supposed to assign this to a units group? Which is best? What if I
>> don't?
>>
>>
>>
>> Okay something tells me there's a few things i'm leaving out in adding
>> this parameter. Like I said, back in the 3.9. days I modified some
>> file (units.py?) but was told that wasn't the best way to add my
>> lakedata parameters (which back then included LakeElevation and
>> WaveHeight).
>> I'd like to do this the preferred way.
>>
>> Thanks again, so much - - -
>> Phil
>>
>> On Sun, Jul 16, 2023 at 4:22 PM Tom Keffer <tkef...@gmail.com> wrote:
>> >
>> > Sorry. I had assumed you were still using your v3.9.1 Seasons skin. If
>> > that's the case, the tag $current.barometer is in the file
>> > Seasons/current.inc.
>> >
>> > Incidentally, there's no reason not to continue using your old skin.
>> >
>> > But, if you are actually using a V4 skin, then to answer your questions:
>> >
>> > 1. The line "#set observations = ..." is actually saying get the set of
>> > observations from $DisplayOptions. If DisplayOptions does not have an
>> > entry, then the fallback is to use just outTemp and barometer. See the
>> > configuration file skin.conf for what's in DisplayOptions.
>> >
>> > 2. You can specify an override for the barometer formatting for the unit
>> > "inHg" in weewx.conf:
>> >
>> > [StdReport]
>> > ...
>> > [[Defaults]]
>> > ...
>> > [[[Units]]]
>> > ...
>> > [[[[StringFormats]]]]
>> > inHg = %.2f
>> >
>> > 3. I'm not following your question about "LakeElev". I don't know what
>> > that is.
>> >
>> >
>> > On Sun, Jul 16, 2023 at 12:33 AM Messy Potamia <messypota...@gmail.com>
>> > wrote:
>> >>
>> >> Where do those 2 formatting statements go?
>> >> Also, why, in current.inc, is the line
>> >> #set $observations =
>> >> $to_list($DisplayOptions.get('observations_current', ['outTemp',
>> >> 'barometer']))
>> >> containing only outTemp and barometer? Where are the rest of the items
>> >> displayed in Current Conditions? Sorry I'm just not getting the
>> >> formatting layout big picture. Yes I'm reading the customization guide
>> >> but I'm having questions as I read it.
>> >> Thanks!
>> >>
>> >> On Sun, Jul 16, 2023 at 12:22 AM Tom Keffer <tkef...@gmail.com> wrote:
>> >> >
>> >> > For altitude, format it like any other tag. See the section Formatting
>> >> > options in the Customizing Guide. For example, if you do not want
>> >> > anything beyond the decimal point:
>> >> >
>> >> > $station.altitude.format("%.0f")
>> >> >
>> >> > Same with barometer. To show 2 digits:
>> >> >
>> >> > $current.barometer.format("%.2f")
>> >> >
>> >> > Whether it is in bold is a function of whatever CSS styling you are
>> >> > using.
>> >> >
>> >> > -tk
>> >> >
>> >> >
>> >> > On Sat, Jul 15, 2023 at 2:55 PM messyp...@gmail.com
>> >> > <messypota...@gmail.com> wrote:
>> >> >>
>> >> >> I got the added measurement added to the database, and into the
>> >> >> skins, however I don't need Lake Elevation to be show in so many
>> >> >> digits. I previously (3.9.1) had it showing 2 digits to the right of
>> >> >> the decimal.
>> >> >> Also, I don't know what happened but now the Barometer has changed its
>> >> >> formatting to bold and more decimal places.
>> >> >> Where do I fix this?
>> >> >> Thanks - - -
>> >> >> Current Conditions
>> >> >>
>> >> >> Outside Temperature
>> >> >> 86.1°F
>> >> >> Dew Point
>> >> >> 73.8°F
>> >> >> Outside Humidity
>> >> >> 67%
>> >> >> Barometer
>> >> >> 29.799 inHg (-0.033)
>> >> >> Wind
>> >> >> 0 mph N/A ( N/A)
>> >> >> Rain Today
>> >> >> 0.02 in
>> >> >> Rain Rate
>> >> >> 0.00 in/h
>> >> >> Inside Temperature
>> >> >> 92.6°F
>> >> >> LakeElev
>> >> >> 594.770000
>> >> >> Inside Humidity
>> >> >> 64%
>> >> >>
>> >> >> --
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