Valores da escala JavaScript
function convertRange( value, r1, r2 ) {
return ( value - r1[ 0 ] ) * ( r2[ 1 ] - r2[ 0 ] ) / ( r1[ 1 ] - r1[ 0 ] ) + r2[ 0 ];
}
convertRange( 328.17, [ 300.77, 559.22 ], [ 1, 10 ] );
>>> 1.9541497388276272
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