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sugartechllc / WxflowToChords

Translate and forward WeatherFlow datagrams to a CHORDS portal
GNU General Public License v3.0
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Add derived computation feature #1

Open sugartechllc opened 6 years ago

sugartechllc commented 6 years ago

Want to be able to compute derived values, using a recipe provided in the configuration.

SymPy looks like a perfect tool for implementing this.

sugartechllc commented 6 years ago

Pierce suggests just having the user provide python code.

sugartechllc commented 6 years ago

Note that compact versions of python may not directly support floating point math. Sometimes a math module is available that lets you work around this.

There may need to be some fiddling around to get code that can run on generic python systems, or which has “flavors” for python variants.

sugartechllc commented 6 years ago

From the WeatherFlow comments section:

“Project tidbit: Derived data formulas for things like sea level pressure, dew point, feels like, pressure trends, etc here: https://weatherflow.github.io/SmartWeather/api/derived-metric-formulas.html “

sugartechllc commented 6 years ago

User input and error handling provides a good tutorial for working with functions defined in strings.