Re: [sdw] Question about derived results (#1144)

@jennet that is all good. That scenario was one of the motivating factors for making the observed-property and feature-of-interest explicit. The feature-of-interest associated with an observation should always be the 'proximate' FOI, for which the OP of the observation is a characteristic. In some of the earlier OGC documents we described explicit scenarios where the OP and FOI evolved through a data processing chain, e.g. in remote sensing where the initial FOI is a solid angle based on the sensor, and the OP is light amplitude at various wavelengths, while the final FOI is a tract of the landscape and the OP is vegetation cover or similar. Intermediate stages have 'scene' as the FOI, and NDVI as the OP ... 

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Received on Wednesday, 21 October 2020 22:49:36 UTC