On Jan 2, 6:38pm, David Holland wrote: } On Tue, Jan 01, 2019 at 12:03:31PM -0500, Greg Troxel wrote: } > > my sensor does fill ->value_cur with mPa, so pressure does fit into the } > > "everything else"-else{} with ->cur_value / 1000000.0 for printout in kPa. } > } > Until very recently I had never seen pressure in kPa. For atmospheric } > pressure, the standard unit seems to be hPa. I realize that's a } > less-normal SI prefix, but it happens to match mbar. But, I am seeing } > kPa more tha last 6 months. } } Environment Canada was reporting pressure in kPa when I was a kid. Did } they stop? } } > So, I wonder why you are choosing kPa vs hPa, and if that choice ends } > up being a framework choice for everything. And how the rest of the } > world deals with this issue. } } Most of the world uses millibars and occasionally labels them hPa. } Since judging by the patch the framework isn't up to handling both, } the best course is probably to use and label as millibars and just } duck the occasional brickbat from metrication nuts.
I'm pretty sure that millibars and hPa is metric as well. }-- End of excerpt from David Holland