This package contains different expressions to determine the window opening area.
| Name | Description |
|---|---|
| OpeningAreaSashCommon | Calculate geometric, projective, equivalent, and effective window opening areas, by different types of sash opening |
| OpeningAreaSashDIN16798 | Specified DIN CEN/TR 16798-8: Only valid for bottom- or top-hung opening |
| OpeningAreaSashDIN4108 | Specified DIN/TS 4108-8: Valid for different opening types |
| OpeningAreaSashHall | Specified Hall: Only valid for bottom-hung inwards opening |
| OpeningAreaSashVDI2078 | Specified VDI 2078: Only valid for bottom-hung inwards opening |
| OpeningAreaSimple | Common simple opening (no sash) |
| OpeningAreaSimpleVDI2078 | Specified VDI 2078: Simple opening (no sash) |