Package gov.nih.mipav.model.file

Class MetadataExtractor.PhotographicConversions

java.lang.Object

gov.nih.mipav.model.file.MetadataExtractor.PhotographicConversions

Enclosing class:

MetadataExtractor

public static final class MetadataExtractor.PhotographicConversions
extends Object

Contains helper methods that perform photographic conversions.

Author:

Drew Noakes https://drewnoakes.com

Field Summary

Fields

Modifier and Type	Field	Description
static final double	ROOT_TWO

Constructor Summary

Constructors

Modifier	Constructor	Description
private	PhotographicConversions()

Method Summary

Modifier and Type	Method	Description
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 Details

ROOT_TWO

public static final double ROOT_TWO

Constructor Details

PhotographicConversions

private PhotographicConversions()
                         throws Exception

Throws:

Exception

Method Details

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