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For the Regular type the vertical grid is supposed to be equidistant (in the user coordinate space). This type can be used when we have data on equidistant hight height levels.
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The Regular type can also be used for pressure or model level data when no height information is available. In this case the 3D scene is rendered in a pressure or model level "space". Besides, because VAPOR requires vertical coordinate values increasing along the z axis the vertical coordinate values (pressure or model level number) are multiplied by -1 for VAPOR. |
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Vapor Bottom Coordinate
The name of the upper level GRIB parameter interpreted as the elevation of the upper levelsbottom elevation level. Available when Vapor Vertical Grid Type is Layered. The default value is 0.
Vapor Top Coordinate
The name of the upper level GRIB parameter interpreted as the elevation of the upper levelstop elevation level. Available when Vapor Vertical Grid Type is Layered. The default value is 16000.
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This option specifies the number of refinement levels in a VAPOR data approximation hierarchy . Starting with where the native grid resolution , of each successive level in the hierarchy is a factor of two smaller finer along each dimension. If level is 0 no hiearchy hierarchy will be created (all data will be stored at their native resolution). If level is 1 a single approximation will be created, thus the hierarchy will have two levels: the first approximation (indexed as 0 in VAPOR) and the native grid resolution , and the first approximation(indexed as 1 in VAPOR). And so on.
The default value is: 2.
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