Exif. js reads the image metadata, exif. js image metadata

Exif. js reads the image metadata, exif. js image metadata

Exif. js provides the Function Extension for JavaScript to read the original image data, such as the photo direction, camera device model, shooting time, ISO sensitivity, and GPS geographic location.

• Note:

• EXIF data mainly comes from photos taken and is mostly used for mobile development and PC. This plug-in is compatible with mainstream browsers and is not supported by ie10.

• Github address

Online instance

Simple Example of instance Preview

Instance preview to obtain base64 encoded file data

Instance preview asynchronous acquisition of image data

How to load JavaScript files

1. <Script src = "exif. js"> </script>

Copy to obtain EXIF data

1. EXIF.getData(document.getElementById('imgElement'), function(){ 
2.   EXIF.getAllTags(this); 
3.   EXIF.getTag(this, 'Orientation'); 
4. }); 

Copy API method

Name	Description
EXIF. getData (img, callback)	Obtain image data Compatible with browsers that do not yet support EXIF data to obtain metadata.
EXIF. getTag (img, tag)	Obtain an image data.
EXIF. getAllTags (img)	Obtains all the data of the image. The value is returned as an object.
EXIF. pretty (img)	Obtains all the data of the image. The value is returned as a string.

EXIF ID

Name	Description
ExifVersion	Exif version
FlashPixVersion	FlashPix version
ColorSpace	Color Gamut and Color Space
PixelXDimension	Effective Image Width
PixelYDimension	Effective Image Height
ComponentsConfiguration	Image Construction
CompressedBitsPerPixel	Color bit per pixel during compression
MakerNote	Information set by the manufacturer
UserComment	User comment
RelatedSoundFile	Associated sound file
DateTimeOriginal	Creation Time
DateTimeDigitized	Digital Creation Time
SubsecTime	Date and time (SEC)
SubsecTimeOriginal	Original date time (SEC)
SubsecTimeDigitized	Original date and time digitalization (seconds)
ExposureTime	Exposure time
FNumber	Optical circle Value
ExposureProgram	Exposure Program
Spectralsensiti.pdf	Spectral Sensitivity
ISOSpeedRatings	Sensitivity
OECF	Photoelectric conversion function
ShutterSpeedValue	Shutter speed
ApertureValue	Lens Aperture
BrightnessValue	Brightness
ExposureBiasValue	Exposure Compensation
MaxApertureValue	Maximum aperture
SubjectDistance	Distance
MeteringMode	Metering method
Lightsource	Light Source
Flash	Flashlight
SubjectArea	Subject Region
FocalLength	Focal Length
FlashEnergy	Flashlight strength
SpatialFrequencyResponse	Spatial Frequency Response
FocalPlaneXResolution	Focal Length plane x axis resolution
FocalPlaneYResolution	Focal Length plane Y axis resolution
FocalPlaneResolutionUnit	Focal Length plane Resolution Unit
SubjectLocation	Subject location
ExposureIndex	Exposure index
SensingMethod	Image Sensor Type
FileSource	Source File
SceneType	Scenario type (1 = direct shooting)
CFAPattern	CFA Mode
CustomRendered	Custom Image Processing
ExposureMode	Exposure mode
WhiteBalance	White Balance (1 = automatic, 2 = manual)
DigitalZoomRation	Digital zoom
FocalLengthIn35mmFilm	35mm film focal length
SceneCaptureType	Scene Shooting type
GainControl	Scenario Control
Contrast	Contrast
Saturation	Saturation
Sharpness	Sharpness
DeviceSettingDescription	Device Setting Description
SubjectDistanceRange	Subject distance range
InteroperabilityIFDPointer
ImageUniqueID	Unique image ID

Tiff Problems

Name	Description
ImageWidth	Image Width
ImageHeight	Image Height
BitsPerSample	Bit Sampling Rate
Compression	Compression Method
PhotometricInterpretation	Pixel Synthesis
Orientation	Shooting direction
SamplesPerPixel	Number of shards
PlanarConfiguration	Data Arrangement
YCbCrSubSampling	Color-phase sampling ratio
YCbCrPositioning	Color phase Configuration
XResolution	X-direction resolution
YResolution	Y-direction resolution
ResolutionUnit	Resolution Unit
StripOffsets	Image Data Location
RowsPerStrip	Number of rows per band
StripByteCounts	Bits per zip
JPEGInterchangeFormat	Jpeg soi offset
JPEGInterchangeFormatLength	JPEG bits
TransferFunction	Transfer Function
WhitePoint	White Color
PrimaryChromaticities	Main Color
YCbCrCoefficients	Color Space conversion matrix Coefficient
ReferenceBlackWhite	Black/white reference value
DateTime	Date and Time
ImageDescription	Image Description and Source
Make	Producer
Model	Model
Software	Software
Artist	Author
Copyright	Copyright information

GPS Problems

Name	Description
GPSVersionID	GPS version
GPSLatitudeRef	North-south latitude
GPSLatitude	Latitude
GPSLongitudeRef	Things Sutra
Gpslongpolling	Longitude
GPSAltitudeRef	Altitude reference value
GPSAltitude	Altitude
GPSTimeStamp	GPS Timestamp
GPSSatellites	Measurement Satellite
GPSStatus	Receiver status
GPSMeasureMode	Measurement Mode
GPSDOP	Measurement Accuracy
GPSSpeedRef	Speed Unit
GPSSpeed	GPS receiver speed
GPSTrackRef	Reference
GPSTrack	Moving position
Gpsimgdireref ref	Image Orientation reference
GPSImgDirection	Image Orientation
GPSMapDatum	Geographic measurement data
GPSDestLatitudeRef	Target latitude reference
GPSDestLatitude	Target latitude
GPSDestLongitudeRef	Target longitude reference
Gpsdestlong.pdf	Target longitude
GPSDestBearingRef	Target location reference
GPSDestBearing	Target Location
GPSDestDistanceRef	Target distance reference
GPSDestDistance	Target Distance
GPSProcessingMethod	GPS processing method name
GPSAreaInformation	GPS zone function variable name
GPSDateStamp	GPS Date
GPSDifferential	GPS correction

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