smoothing with discontinuities

[samhatchett]

Issue by jamesuber
Friday Nov 01, 2013 at 17:39 GMT
Originally opened as https://github.com/CitiLogics/epanet-rtx/issues/7

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Revisiting some DMA flow processing involving calculated tank flows and pump flows... if we really want to process these data in a refined manner, we'd start by admitting there should be first derivative discontinuities in the resulting series, due to discrete pump on/off decisions and the resulting impacts on pump and tank flow.

This comes out of an annoyance about the degree of smoothing needed to avoid negative DMA demands. You can see what is going on in the raw data, but there's no way to retain the discrete changes after smoothing the data with a MA. Possibly something like a MA filter with discontinuity detection?