How to use JS to read image format information

Question

Here is a JPG image that opens as follows，How to read “Exif”?

as:
 
 function readFile(file) {
	if (!file.exists) {
		alert( "Cannot find file: " + deodeURI(file.absoluteURI));
		}
	else{
		file.encoding = "BINARY";
	 
		file.open("r", "TEXT", "????");
		var str = file.read().toSource();
		file.close();

return str;
		}
}
alert(readFile(File("c:/1.jpg")))

JJMack · Answer

Why is this question in a Photoshop forum. Photoshop Scripting can process a documents metadata for example EXIF data if it exists. There is no need for a Photoshop script to read a documents backing file. EXIF data is not about image format its information about image capture. That metadata may be in many image file type file format not just jpeg file format. If the file is open in Photoshop as a document that data has been read by Photoshop and can be processed using a Photoshop script. For example:

// This script was hacked from one I downloaded from the web JJMack 2008

/*  Script to stamp copyright and camera data of shot   */

// This script is supplied as is. It is provided as freeware.
// The author accepts no liability for any problems arising from its use.

/*
<javascriptresource>
<about>$$$/JavaScripts/StampExif/About=JJMack's Stamp Exif.^r^rCopyright 2009 Mouseprints.^r^rScript utility for action.^rNOTE:Add Text Layer with Fomatted EXIF Data!</about>
<category>JJMack's Action Utility</category>
</javascriptresource>
*/

// enable double-clicking from Mac Finder or Windows Explorer
#target photoshop // this command only works in Photoshop CS2 and higher

// bring application forward for double-click events
app.bringToFront();

// ensure at least one document open
if (!documents.length) {
	alert('There are no documents open.', 'No Document');
}

// if at least one document exists, then proceed
else {
	main();
}

///////////////////////////////////////////////////////////////////////////////
// main - main function
///////////////////////////////////////////////////////////////////////////////
function main() {

	/* Null business owner */
	var Biz = "";
	var Owner = "";

	/* Variables You can hard code your business owner here */
	var Biz = "Mouseprints";
	var Owner = "John J McAssey";
        /*  sizeFactor influences text size 1 will use largest font 2 will half that font size	*/
	var sizeFactor = 1;
        /* textX and TextY positions text placement 0 and 0 Top Left corner of image in pixels	*/
	var textX = 0;									
	var textY = 0;	
	/* Internal Photoshop Text name								*/								
        var fontName = "ArialMT";
	var fontName = "TimesNewRomanPSMT";
	var fontName = "Tahoma";
	/* Text Color										*/
	textColor = new SolidColor;						
	textColor.rgb.red = 255;
	textColor.rgb.green = 255;
	textColor.rgb.blue = 255;
	/* END Variables You can hard code your business owner here */

        // remember users Ruler avd Type Units and set ours
	var strtRulerUnits = app.preferences.rulerUnits;
	var strtTypeUnits = app.preferences.typeUnits;
	app.preferences.rulerUnits = Units.PIXELS;
 	app.preferences.typeUnits = TypeUnits.PIXELS;

	/* Trying to figure out font size for the number of lines to cover the document height		*/
	/* and getting setting text area to cover the document was a trip. Adobe Postscript trip	*/
	/* I believe that 72 or 72.27 Point/Pica Size Photoshop Preference maybe I should see if	*/
	/* I could retrieve it. Anyway mine is set to 72 Setting the document resolution taking		*/
	/* the document width and dividing by 72 would probably yield number of characters that		*/
	/* would fit in the document width. Setting the documents resolution comes into play		*/
	/* with Photoshop text support. Using the documents height and dividing the by the number	*/
	/* of lines of text I needed I hoped would yield the font size I needed. However that		*/
	/* did not work the text area was correct the number of text lines did not fit. I needed	*/
	/* to use a smaller font.  When the document resolution is set to 72 DPI and I set a text	*/
	/* layer font size to 72 and the text area the number of pixels I want and observing		*/
	/* Photoshop's text options bar there I see a one 1 to one relationship. 72 px = 72 px.		*/
	/* If I set the documents resolution lower and set a Photoshop text layer font size to		*/
	/* 72 px I see Photoshop scale the number to a lower number of pixels in the option bar.	*/
	/* Just what I needed. Setting the Documents resolution to 60 DPI let the number of line	*/
	/* I needed fit on the document. However Photoshop also scaled the text area I set down		*/
	/* in size and that number of lines did not fit within that area. I needed to scale the		*/
	/* text area up. Scaling the Text area up using 72/resolution did the trick... 			*/
        var testres = 60;
	res = app.activeDocument.resolution;
	if(res!=testres){ app.activeDocument.resizeImage(app.activeDocument.width.value,app.activeDocument.height.value,testres); }



	/* Define var to be used to avoid undefined */
	var expTime = "";
	var expPgm = "";
	var expCmp = "";
	var mtrMode = "";
	var ev = "";
	var flshCode = "";
	var flshMode = "";
	var focLength = "";
	var Fstop = "";
	var ISO = "";
	var Model = "";
	var CameraModel = "";
	var Artist = "";
	var maxF = "";
	var wbMode = "";
	var phoTime = "";
	var picYr = "";
	var lens = "";
	var cpyrt = "";
	var remShutter = "";
	var remAperture = "";
	var remISO = "";
	var lat = "";
	var latRef = "";
	var lon = "";
	var lonRef = "";

	var docName = app.activeDocument.name;
	/* END var to be used to avoid undefined */

	try {   // get active document
		var doc = app.activeDocument;
	}
	catch (e){
		alert("No Document Open..." );
	}

	var exifInfo = "";


	
try {
		// alert( "doc.info.exif=" + doc.info.exif );
		var numExifItems = doc.info.exif.length;
		//alert(doc.info.exif);
		// alert( "numExifItems=" + numExifItems );
                for (var i = 0; i < doc.info.exif.length; i++){
 			exifInfo = exifInfo + doc.info.exif[i][0] + " = " + doc.info.exif[i][1] + "\r";

/* ---------------------------------- Extracting Data I want to Stamp  formated ----------------------------------------------------------------------- */
                        checkThisItem(doc.info.exif[i][0], doc.info.exif[i][1])
			key=doc.info.exif[i][0];
			keyData=doc.info.exif[i][1];
			// alert ("Key=" + key + " Data=" + keyData );

			if (key == "Artist") {
				// alert ("Key=" + key + " Data=" + keyData );
				Artist =("By " + keyData + "  ");
			}
 			if (key == "Date Time Original") {
				// alert ("Key=" + key + " Data=" + keyData );
				var phoTime = keyData;
				var dateArray1 = phoTime.split(" ", 2);
				phoTime = dateArray1[0];
				phoHour = dateArray1[1];
				var dateArray2 = phoTime.split(":");
				var monthsArray = ["January","February","March","April","May","June","July","August","September","October","November","December"];
				phoTime = monthsArray[dateArray2[1]-1]+" " + dateArray2[2]+ ", " + dateArray2[0] +" @ " + phoHour;
				var picYr = dateArray2[0];
			}
			if (key == "Model") {
				// alert ("Key=" + key + " Data=" + keyData );
				Model = (keyData + "  ");
			}
			if (key == "Max Aperture Value") {
				// alert ("Key=" + key + " Data=" + keyData );
				maxF = ("maxF " + keyData + " ");
				maxF = ( keyData + " ");
			}
			if (key == "Focal Length") {
				// alert ("Key=" + key + " Data=" + keyData );
				focLength = ("@ " +keyData + "  ");
			}
			if (key == "Exposure Program") {
				// alert ("Key=" + key + " Data=" + keyData );
				expPgm = (keyData + "  ");
				if (expPgm == "Not defined") { expPgm = "Exposure Program Not Recorded  "; }
			}
			if (key == "Exposure Bias Value") {
				// alert ("Key=" + key + " Data=" + keyData );
				expCmp = ("Bias " + keyData + "  ");
			}
			if (key == "Metering Mode") {
				//alert ("Key=" + key + " Data=" + keyData );
				mtrMode = (keyData + " Metering  ");
			}
			if (key == "White Balance") {
				// alert ("Key=" + key + " Data=" + keyData );
				wbMode = ("White Balance " + keyData + "  ");
			}
			if (key == "ISO Speed Ratings") {
				// alert ("Key=" + key + " Data=" + keyData );
				ISO = ("ISO " + keyData + "  ");
				remISO = keyData;
			}
			if (key == "Exposure Time") {
				// alert ("Key=" + key + " Data=" + keyData );
				expTime = ("Tv " + keyData + "  ");
				remShutter = keyData;
			}
			if (key == "F-Stop") {
				//alert ("Key=" + key + " Data=" + keyData );
				Fstop = ("Av " + keyData + "  ");
				remAperture = keyData;
			}
			if (key == "Flash") {
				// alert ("Key=" + key + " Data=" + keyData );
				var flshCode = keyData;
				var flshMode = "Flash Code=" + flshCode + "  ";
				if(flshCode==1){var flshMode = "Firing Flash   ";}
				if(flshCode==9){var flshMode = "Firing Flash   ";}
				if(flshCode==13){var flshMode = "Firing Flash   ";}
				if(flshCode==15){var flshMode = "Firing Flash   ";}
				if(flshCode==25){var flshMode = "Firing Flash   ";}
				if(flshCode==29){var flshMode = "Firing Flash   ";}
				if(flshCode==31){var flshMode = "Firing Flash   ";}
				if(flshCode==65){var flshMode = "Firing Flash   ";}
				if(flshCode==69){var flshMode = "Firing Flash   ";}
				if(flshCode==71){var flshMode = "Firing Flash   ";}
				if(flshCode==73){var flshMode = "Firing Flash   ";}
				if(flshCode==77){var flshMode = "Firing Flash   ";}
				if(flshCode==79){var flshMode = "Firing Flash   ";}
				if(flshCode==89){var flshMode = "Firing Flash   ";}
				if(flshCode==93){var flshMode = "Firing Flash   ";}
				if(flshCode==95){var flshMode = "Firing Flash   ";}
				if(flshCode==0){var flshMode = "without Flash   ";}
				if(flshCode==16){var flshMode = "without Flash   ";}
				if(flshCode==24){var flshMode = "without Flash   ";}
				if(flshCode==88){var flshMode = "without Flash   ";}
				if(flshCode==32){var flshMode = "No Flash   ";}
			}

			if (key == "GPS Latitude") {
				//alert ("Key=" + key + " Data=" + keyData );
				lat= ("Lat: " + keyData.replace(/\.00/g,'') + " ");
			}
			if (key == "GPS Latitude Ref") {
				//alert ("Key=" + key + " Data=" + keyData );
				latRef= (keyData + "  ");
			}
			if (key == "GPS Longitude") {
				//alert ("Key=" + key + " Data=" + keyData );
				lon= ("Lon: " + keyData.replace(/\.00/g,'') + " ");
			}
			if (key == "GPS Longitude Ref") {
				//alert ("Key=" + key + " Data=" + keyData );
				lonRef= (lon + keyData + "  ");
			}
			
		}

		/* Copyright Year(s) */
		var thisYr, toDay		
		var toDay = new Date();
		var thisYr = toDay.getYear() + 1900;
		if(picYr!="" && thisYr!=""){ var cpyrt =  picYr + "-" + thisYr + "  ";}
		if(picYr=="" && thisYr!=""){ var cpyrt =  thisYr + "  ";}
		if(picYr==thisYr){ var cpyrt =  thisYr + "  ";}
		/* For cameras that don't set Artist or set unknown in the Exif substitute Owner if set */
		if(Artist=="" && Owner!=""){var Artist = "By  " + Owner + "   ";}
		if(Artist=="By unknown  " && Owner!=""){var Artist = "By  " + Owner + "   ";}
		/*  Lens info  */
		xml = app.activeDocument.xmpMetadata.rawData;
		lensOffset = xml.indexOf("<aux:Lens>") + "<aux:Lens>".length;
		if(lensOffset > 0) {
			lens = xml.substr(lensOffset, xml.length - lensOffset);
			lens = lens.substr(0,lens.indexOf("</aux:Lens>"));
		}
		/* Hack for my cameras with fixed lens */
		if(lens=="" && Model=="E990  "){var lens = "9-28mm";}
		if(lens=="" && Model=="E-20,E-20N,E-20P  "){var lens = "9-36mm";}
		if(lens=="" && Model=="E-10  "){var lens = "9-36mm";}
		if(lens=="" && Model=="E-10          "){
			var Model = "E-10  ";
			var lens = "9-36mm";
		}
		if(lens=="" && Model=="Canon PowerShot SD700 IS  "){var lens = "5.8-23.2mm";}
		if(lens!=""){var lens = lens + "  ";}
		else {var lens = "Unknown Lens  ";}
		/* Hack for my ultra compact cameras program mode not recorded */
		if(Model=="Canon PowerShot SD700 IS  "){var expPgm = "Ultra Compact Camera  ";}

		//alert (remShutter + " " + remAperture + " " + remISO);
                ev = calcEV(remShutter, remAperture, remISO);


/* ---------------------------------- END Extracting Data I want to Stamp  formated -------------------------------------------------- */
			
		//}
	}
	catch (e){
		alert("No EXIF data exists..." );
	}


	if ( exifInfo == "" ) {
		alert( "No EXIF data exists..." );
	}
	else {
		// alert( "exifInfo=" + exifInfo );

		text_layer = doc.artLayers.add();						// Add a Layer
		text_layer.name = "EXIF Stamp";							// Name Layer
		text_layer.kind = LayerKind.TEXT;						// Make Layer a Text Layer
		text_layer.textItem.color = textColor;						// set text layer color

/* Do not set TextType to Pargarph Text for StampEXIF so action can position text layer
 		text_layer.textItem.kind = TextType.PARAGRAPHTEXT;				// Set text layers text type
 */

		text_layer.textItem.font = fontName;						// set text font
		text_layer.blendMode = BlendMode.NORMAL						// blend mode
		text_layer.textItem.fauxBold = false;						// Bold
		text_layer.textItem.fauxItalic = false;						// Italic
		text_layer.textItem.underline = UnderlineType.UNDERLINEOFF;			// Underlibn
		text_layer.textItem.capitalization = TextCase.NORMAL;				// Case
		text_layer.textItem.antiAliasMethod = AntiAlias.SHARP;				// antiAlias

//		var fontSize = Math.round((doc.height- textY) / ((numExifItems +1) * sizeFactor)); // Calulate font size to use Item nomber + last \r
		/* Calulate font size to use for StampExit keep size same for landscape and portrait base on document size */
		if (doc.width >= doc.height) {var fontSize = Math.round(doc.height / (30 * sizeFactor));}
		else {var fontSize = Math.round(doc.width / (30 * sizeFactor));}
		if (fontSize<10){fontSize=10};							// don't use Font size smaller then 10
		text_layer.textItem.size = fontSize;						// set text font Size

//		text_layer.textItem.position = Array(textX, textY );				// set text layers position in and down
		text_layer.textItem.position = Array(textX, (textY + fontSize ));		// set text layers position in and down for Stamp add in fontsize

		textWidth = ((doc.width - textX) * 72/testres );				// Text width document width - offset
		textHeight = ((doc.height - textY) * 72/testres );				// Text height document height - offset
/* Do not set Text Area for StampEXIF so action can position text layer
		text_layer.textItem.width = textWidth;						// set text area width
		text_layer.textItem.height = textHeight;					// set text area height
 */

/*
 		alert(
		"res=" + res + " sizeFactor=" + sizeFactor + " numExifItems=" + numExifItems
		+ "\r" + "fontsize=" + fontSize + " font=" +fontName
		+ "\r" + "Image area width=" + doc.width + " height=" + doc.height
		+ "\r"	+ "text area width=" + textWidth + " height=" + textHeight
		+ "\r"	+ "Text Position top left=" + textX + "," + textY
		+ " bottom right=" + (textX + textWidth )+ "," + (textY +  textHeight )
		);
 */

/*
		try{
			text_layer.textItem.contents = exifInfo;
		}
		catch (er) {
			alert("Error Setting Contents...");
		}
 */

/* -----------------------------------------  Data Stamp  format ----------------------------------------------------------------------- */
		if (!app.activeDocument.info.copyrightNotice=="") {var Notice = app.activeDocument.info.copyrightNotice; }
		else { var Notice = "Copyright \u00A9 " + Biz  + " " + cpyrt; }	
		if (lat!="" && lon!="") { gps = "\r" + lat +latRef + lon + lonRef;}
		else {gps = ""; }
		text_layer.textItem.contents =  "Picture  " + docName + "  " + Notice 
		+ "\r" + Artist + phoTime
		+ "\r" + Model  + lens + maxF + focLength
		+ "\r" + expPgm + expCmp + mtrMode + ev
		+ "\r" + wbMode + ISO  + expTime + Fstop + flshMode + gps;

		if (app.activeDocument.info.instructions == "" ) {
			app.activeDocument.info.instructions = "Picture  " + docName + "  Copyright \u00A9 " + Biz + " " + cpyrt
			+ "\r" + Artist + phoTime
			+ "\r" + Model  + lens + maxF + focLength
			+ "\r" + expPgm + expCmp + mtrMode + ev
			+ "\r" + wbMode + ISO  + expTime + Fstop + flshMode +gps;
		}

	}

	if(res != testres){ app.activeDocument.resizeImage(app.activeDocument.width.value,app.activeDocument.height.value,res); }

	app.preferences.rulerUnits = strtRulerUnits;
	app.preferences.typeUnits = strtTypeUnits;

}
///////////////////////////////////////////////////////////////////////////////
// END - main function
///////////////////////////////////////////////////////////////////////////////

// -----------------------------------------
// calcEV()
// -----------------------------------------
function calcEV(shutter, aperture, iso) {
	evString = new String("");
	isoValue = new Number(0);
	shutterValue = new Number(0);
	apertureValue = new Number(0);
	evValue = new Number(0);
	apertureValue = aperture;
	apertureValue = apertureValue.substr(2,apertureValue.length -2); // Strip off "f/"
	shutterValue = shutter;
	shutterValue = shutterValue.substr(0,shutterValue.indexOf(" ")); // Strip off ending " sec"
	if ( shutterValue.indexOf("/") != -1) {
		topShutter = shutterValue.substr(0,shutterValue.indexOf("/"));
		bottomShutter = shutterValue.substr(shutterValue.indexOf("/") + 1,shutterValue.length -(shutterValue.indexOf("/") + 1));
		shutterValue = topShutter / bottomShutter;
	}
	isoValue = iso;
	//alert ("apertureValue = " + apertureValue +  " shutterValue = " + shutterValue + " isoValue = " + isoValue );
	if (isoValue>0 && shutterValue>0 && apertureValue>0) {
		evValue = Math.LOG2E * Math.log(Math.pow(apertureValue, 2) * (1 / shutterValue) * (100 / isoValue));
		evValue = Math.round(evValue * 10) / 10;
		evString = "EV " + evValue;
	}
	return evString;;
}






function checkThisItem(key, keyData) {
	// alert("Key=" + key + " Data=" + keyData );

}

/* -------------------------------------------------------------------------------------------

Image Description		=
Make				= NIKON
Model				= E990
Orientation			= Normal
X Resolution			= 300.0
Y Resolution			= 300.0
Resolution Unit			= Inches
Software			= E990v1.0
Date Time			= 2000:09:01 08:11:14
yCbCr Positioning		= Cosited
Exposure Time			= 1/120 sec
F-Stop				= f/2.5
Exposure Program		= Normal program
ISO Speed Ratings		= 100
ExifVersion			= 0210
Date Time Original		= 2000:09:01 08:11:14
Date Time Digitized		= 2000:09:01 08:11:14
Compressed Bits Per Pixel	= 3.0
Exposure Bias Value		= 0.00
Max Aperture Value		= f/3.4
Metering Mode			= Pattern
Light Source			= Unknown
Flash				= 1
Focal Length			= 8.2 mm
FlashPix Version		= 0100
Color Space			= sRGB
Pixel X Dimension		= 2048
Pixel Y Dimension		= 1536
File Source			= DSC
Scene Type			= Direct Photographed Image
---------------------------------------------------------------------------------------------------------------------
Image Description		= The Prominaide Image Name %SHORT_FILE_NAME%
Width %IMAGE_WIDTH% Hight %IMAGE_HEIGHT% Size %IMAGE_SIZE_M% MB
Make				= OLYMPUS OPTICAL CO.,LTD
Model				= E-20,E-20N,E-20P
Orientation			= Normal
X Resolution			= 144.0
Y Resolution			= 144.0
Resolution Unit			= Inches
Software			= Adobe Photoshop 7.0
Date Time			= 2002:06:21 11:34:53
Artist				= John J McAssey
yCbCr Positioning		= Cosited
Copyright			= Mr McMouse
Exposure Time			= 1/50 sec
F-Stop				= f/5.6
Exposure Program		= Aperture priority
ISO Speed Ratings		= 80
ExifVersion			= 0210
Date Time Original		= 2002:05:15 17:26:51
Date Time Digitized		= 2002:05:15 17:26:51
Components Configuration	= yCbCr
Exposure Bias Value		= 0.00
Max Aperture Value		= f/2.0
Metering Mode			= Spot
Flash				= 0
Focal Length			= 9.0 mm
FlashPix Version		= 0100
Color Space			= Uncalibrated
Pixel X Dimension		= 2560
Pixel Y Dimension		= 1920
File Source			= DSC
-------------------------------------------------------------------------------------------------------------
Image Description		= OLYMPUS DIGITAL CAMERA
Make				= OLYMPUS OPTICAL CO.,LTD
Model				= E-10
Software			= 42-0133
Date Time			= 2004:06:01 15:29:17
Exposure Time			= 1/125 sec
F-Stop				= f/3.2
Exposure Program		= Normal program
ISO Speed Ratings		= 80
ExifVersion			= 0210
Date Time Original		= 2004:06:01 15:29:17
Date Time Digitized		= 2004:06:01 15:29:17
Shutter Speed			= 1/125 sec
Aperture Value			= f/3.2
Exposure Bias Value		= 0.00
Max Aperture Value		= f/2.0
Metering Mode			= Center Weighted Average
Flash				= 1
Focal Length			= 20.0 mm
File Source			= DSC
CFA Pattern 			= IFD Segment, ID = 41730
-----------------------------------------------------------------------------------------------------------------
Make 				= Canon
Model 				= Canon EOS-1D Mark II
Orientation			= Normal
X Resolution			= 240.0
Y Resolution			= 240.0
Resolution Unit			= Inches
Software			= Adobe Photoshop CS3 Windows
Date Time			= 2008:07:26 18:52:35
Artist				= McAssey
Exposure Time			= 1/60 sec
F-Stop				= f/5.6
Exposure Program		= Normal program
ISO Speed Ratings		= 400
ExifVersion			= 0221
Date Time Original		= 2008:04:05 15:14:29
Date Time Digitized		= 2008:04:05 15:14:29
Shutter Speed			= 1/60 sec
Aperture Value			= f/5.6
Exposure Bias Value		= 0.00
Max Aperture Value		= f/2.8
Metering Mode			= Pattern
Flash				= 9
Focal Length			= 50.0 mm
Color Space			= sRGB
Pixel X Dimension		= 3504
Pixel Y Dimension		= 2336
Focal Plane X Resolution	= 3098.592
Focal Plane Y Resolution	= 3097.884
Focal Plane Resolution Unit	= Inches
Custom Rendered			= Normal Process
Exposure Mode			= Auto
White Balance			= Auto
Scene Capture Type		= Standard
------------------------------------------------------------------------------------------------------------------
Make				= Canon
Model				= Canon EOS 20D
Date Time			= 2007:09:03 11:29:24
Artist				= John J McAssey
Exposure Time			= 1/800 sec
F-Stop				= f/10
Exposure Program		= Normal program
ISO Speed Ratings		= 400
ExifVersion			= 0221
Date Time Original		= 2007:09:03 11:29:24
Date Time Digitized		= 2007:09:03 11:29:24
Shutter Speed			= 1/800 sec
Aperture Value			= f/10
Exposure Bias Value		= 0.00
Max Aperture Value		= f/5.6
Metering Mode \			= Pattern
Flash				= 16
Focal Length			= 600.0 mm
Focal Plane X Resolution	= 3959.322
Focal Plane Y Resolution	= 3959.322
Focal Plane Resolution Unit	= Inches
Custom Rendered			= Normal Process
Exposure Mode			= Auto
White Balance			= Manual
Scene Capture Type		= Standard
-----------------------------------------------------------------------------------------------------------------------------
Make				= Canon
Model				= Canon PowerShot SD700 IS
Orientation			= Normal
X Resolution			= 180.0
Y Resolution			= 180.0
Resolution Unit			= Inches
Date Time			= 2007:02:25 12:39:01
yCbCr Positioning		= Centered
Exposure Time			= 1/320 sec
F-Stop				= f/11
ExifVersion			= 0220
Date Time Original		= 2007:02:25 12:39:01
Date Time Digitized		= 2007:02:25 12:39:01
Compressed Bits Per Pixel	= 5.0
Shutter Speed			= 1/320 sec
Aperture Value			= f/11
Exposure Bias Value		= 0.00
Max Aperture Value		= f/5.5
Metering Mode			= Pattern
Flash				= 88
Focal Length			= 23.2 mm
FlashPix Version		= 0100
Color Space			= sRGB
Pixel X Dimension		= 1600
Pixel Y Dimension		= 1200
Focal Plane X Resolution	= 7111.111
Focal Plane Y Resolution	= 7100.592
Focal Plane Resolution Unit	= Inches
Sensing Method			= One-chip color area sensor
File Source			= DSC
Custom Rendered			= Normal Process
Exposure Mode			= Auto
White Balance			= Auto
Digital Zoom Ratio		= 1.0
Scene Capture Type		= Standard

 */

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