18 lines
754 B
TypeScript
18 lines
754 B
TypeScript
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import { valueToColorInterpolated, valueToColorThreshold } from '../../helpers/interpolateColors'
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import { MeteoConversion } from '../../interfaces/interfaces'
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import { PRECIPITATION } from './constants'
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export function precipitationColors(
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encodedValue: number,
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{ reference, binaryScale, decimalScale}: MeteoConversion,
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isInterpolated = true,
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): [number, number, number, number] {
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// const rainMM = (reference + encodedValue * Math.pow(2, binaryScale)) * Math.pow(10, -decimalScale) / 1000
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const rainMM = (reference + encodedValue * Math.pow(2, binaryScale)) * Math.pow(10, -decimalScale)
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return isInterpolated
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? valueToColorInterpolated(rainMM, PRECIPITATION)
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: valueToColorThreshold(rainMM, PRECIPITATION)
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}
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