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Calculates the deviation for a series of exposures and film densities as against a given 'normal' zone and density.
Interfaces, classes and traits for Zone system deviation, (*1)
, (*2)
$ composer require filmtools/ndeviation
<?php use FilmTools\NDeviation\NDeviation; use FilmTools\NDeviation\NDeviationFormatter; // Short title is optional; $ndev = new NDeviation( 2 ); $ndev = new NDeviation( 2, "push +2" ); // Grab values $ndev->getValue(); // 2.0 $ndev->getType(); // "push +2" // Nice formatting: $formatter = new NDeviationFormatter; echo $formatter( $ndev ); // "𝑵 +2" // …can cope with strings echo $formatter( "2.2" ); // "𝑵 +2.2" echo $formatter( "foo" ); // "foo"
use FilmTools\NDeviation\NDeviationInterface; public function getValue() : ?float; public function getType() : ?string; public function valid() : bool;
use FilmTools\NDeviation\NDeviationInterface; use FilmTools\NDeviation\NDeviationProviderInterface; public function getNDeviation() : NDeviationInterface;
Calculates the deviation for a series of exposures and film densities as against a given 'normal' zone and density.
Calculates the deviation for a series of exposures and film densities as against a given 'normal' zone and density.