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Purpose and use of Transformation: | This can be used e.g. for a river reach with a lot of vegetation in the summer resulting in a higher hydraulic roughness. Then, you might want to handle a rating curve for the winter period (level of 1m corresponds to 5 m3/s) and one for the summer (same water level represents only 3 m3/s due to the higher roughness). The weight value can be used for shifting inbetween: weight=0 for the winter, weight=1 for the summer, and a weight value of 0.5 for a certain time in spring when vegetation is growing. |
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Background and Exceptions: | Weight value must always be in the range 0 , 1<= weight <= 1. If ratingCurve(s) not found, then logs a warning message and sets the output to missing values. |
Input
stage input variable with stage (water level) values.
weight input variable with weight values.
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