Raise helpful exceptions for irradiance.gti_dirint #2347
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kandersolar
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Jan 29, 2025
adriesse
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Jan 30, 2025
adriesse
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Jan 30, 2025
| @@ -2368,6 +2368,9 @@ def gti_dirint(poa_global, aoi, solar_zenith, solar_azimuth, times, | |||
| irradiance, Solar Energy 122, 1037-1046. | |||
| :doi:`10.1016/j.solener.2015.10.024` | |||
| """ | |||
| # check input data and raise Exceptions where data will cause the | |||
| # algorithm to fail | |||
| _gti_dirint_check_input(aoi) | |||
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I wouldn't bother with a function for this.
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I wouldn't either if this was the only condition to check. But I'm certain there are other data requirements which we haven't deduced yet and thought it helpful to put the function in place to collect checks.
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There's probably some pythonic aphorism for these situations.
Co-authored-by: Anton Driesse <[email protected]>
kandersolar
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* add a function to test inputs for gti_dirint * linter * linter * linter * whatsnew * review * Update pvlib/irradiance.py Co-authored-by: Anton Driesse <[email protected]> * update test --------- Co-authored-by: Anton Driesse <[email protected]>
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[] Updates entries indocs/sphinx/source/referencefor API changes.docs/sphinx/source/whatsnewfor all changes. Includes link to the GitHub Issue with:issue:`num`or this Pull Request with:pull:`num`. Includes contributor name and/or GitHub username (link with:ghuser:`user`).remote-data) and Milestone are assigned to the Pull Request and linked Issue.gti_dirintcould fail for a number of not-well-defined conditions. One known condition is reported in #1342, where all inputs have AOI >= 90.I could not determine exactly how much data is "required" by
gti_dirint. For instance, if there are insufficient daily data with 60 < AOI < 85 (see these lines), the function will proceed withkt_prime_gte_90= np.nanand will basically assume that the day is entirely clear at this line. I can't say that's a failure of the code, but I'm skeptical thatgti_dirintwill return anything meaningful. I don't know if we want to check, or what exception or warning to raise.In any case, the check added in this PR closes the issue reported in #1342, and sets up
gti_dirintto have additional checks added, should that be desired.