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  1. Spatial Information Systems
  2. SIS-378

Too aggressive simplification of some units of measurement

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    Details

    • Type: Bug
    • Status: Open
    • Priority: Major
    • Resolution: Unresolved
    • Affects Version/s: 0.8
    • Fix Version/s: 1.0, 1.1
    • Component/s: Utilities
    • Labels:
      None

      Description

      In the left column, some units used by the World Meteorological Organisation (WMO). In the right column, the result of parsing with Apache SIS. Some simplifications are too aggressive, in particular with dimensionless units like radians.

      WMO units SIS 0.8 parsing SIS 0.8 SIS 1.0
      K m2 kg-1 s-1 K⋅m²∕(kg⋅s)
      m m6 m-3 m⁴
      Pa s-1 kg∕(m⋅s³)
      S m-1 A²⋅s³∕(kg⋅m³)
      kg kg-1 m s-1 m∕s
      m2/3 s-1 0.3333333333333333⋅m²∕s
      J kg-1 m²∕s²
      mol mol-1  
      mol s-1 mol∕s
      K s-1 K∕s
      m s-1 m∕s
      m s-2 m∕s²
      Pa m kg∕s²
      m3 s-1 m³∕s
      kg m-2 s-1 kg∕(m²⋅s)
      μg m-3 1.0E-9⋅kg∕m³
      K m-1 K∕m
      W m-2 kg∕s³
      N m-2 Pa
      (m2 s sr)-1 -1⋅m²⋅s
      kg m-2 kg∕m²
      kg m-3 kg∕m³
      K*m s-1 K⋅m∕s
      cm/day cm∕d
      m-2 s rad-1 s∕m²
      N m-2 s kg∕(m⋅s)
      kg kg-1 s-1 Hz
      kg/kg*kg/kg  
      K*m/s K⋅m∕s
      kg/kg*Pa/s kg∕(m⋅s³)
      kg/kg*m/s m∕s
      day d
      µg m-3 1.0E-9⋅kg∕m³
      Pa*Pa kg²∕(m²⋅s⁴)
      W m-2 Hz-1 kg∕s²
      W sr-1 m-2 kg∕s³
      N m-1 kg∕s²
      W m-1 sr-1 kg⋅m∕s³
      m-2 s-1 ∕(m²⋅s)
      ° °
      kg kg-1  
      s m-1 s∕m
      W m-3 sr-1 kg∕(m⋅s³)
      K*Pa/s K⋅kg∕(m⋅s³)
      m3 m-3  
      V m-1 kg⋅m∕(s³⋅A)
      m2 s-2 m²∕s²
      m2 s-1 m²∕s
      mol m-3 mol∕m³
      psu psu
      J m-2 kg∕s²
      kg-2 s-1 ∕(kg²⋅s)
      K*K K²
      kg m-3 s-1 kg∕(m³⋅s)
      m3 s-1 m-1 m²∕s
      (kg m-3) (m s-1) kg∕(m²⋅s)
      W m-2 nm-1 9.999999999999999E8⋅kg∕(m⋅s³)

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              • Assignee:
                desruisseaux Martin Desruisseaux
                Reporter:
                desruisseaux Martin Desruisseaux
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                Dates

                • Created:
                  Updated: