com.drew.imaging
Class PhotographicConversions

java.lang.Object
  com.drew.imaging.PhotographicConversions

public class PhotographicConversions
extends java.lang.Object

Contains helper methods that perform photographic conversions.

Field Summary

static double

ROOT_TWO

Method Summary

static double	apertureToFStop(double aperture) Converts an aperture value to its corresponding F-stop number.
static double	shutterSpeedToExposureTime(double shutterSpeed) Converts a shutter speed to an exposure time.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

ROOT_TWO

public static final double ROOT_TWO

Method Detail

apertureToFStop

public static double apertureToFStop(double aperture)

Converts an aperture value to its corresponding F-stop number.

Parameters:

aperture - the aperture value to convert

Returns:

the F-stop number of the specified aperture

shutterSpeedToExposureTime

public static double shutterSpeedToExposureTime(double shutterSpeed)

Converts a shutter speed to an exposure time.

Parameters:

shutterSpeed - the shutter speed to convert

Returns:

the exposure time of the specified shutter speed