[solved] Image orientation issue
Hello,
I have a problem with image orientation.
I am using Arch64 and KDE 4.4.5 from Arch.
When I look at my pictures in digikam (1.3.0) or gwenview, portrait pictures are displayed fine. If I send them with thunderbird, portrait images are displayed with landscape orientation.
The only workaround I found is to rotate twice the image with digikam (once on the right and once on the left to set it back to previous orientation).
I have noticed that EXIF information change...does anyone have the same issue and knows what is the cause of it ?
before, orientation is "droit, haut" = "right, top"
after, orientation is "haut, gauche" = "top, left" and width and heigth size is set...
regards
Last edited by supercow (2010-07-08 17:20:11)
Digital cameras create images that aren't rotated as such -- as plain images they're always in landscape format. If your camera has an orientation sensor, it will merely hint at the intended orientation by setting the exif orientation value in the jpeg file (instead of really rotating the image and creating a jpeg with a portrait format).
Not all programs interpret all exif data. Programs that don't interpret the exif orientation (as thunderbird seems to do it) will display the image as it is (always in landscape), while others (like digikam) use the exif data to decide on how to rotate the image for display. So digikam is just smart enough to show the image in it's "logical" portrait format while it's "physically" remains in landscape format.
To make a real portrait jpeg, you have to really rotate it and adjust the exif orientation accordingly, which is what effectively happens if you use digikam in the way you describe it. So that's not a workaround, but required to make sure that all programs display the images in the desired format, and not just those that are smart enough to honor the exif orientation.
See the jpegexiforient and jpegautotran programs for an explanation and an alternative way to rotate images based on their exif orientation value.
Last edited by hbekel (2010-07-07 21:55:00)
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// Project site: http://devstage.blogspot.com/2011/02/extract-jpg-exif-metadata-in.html
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package
import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.display.Loader;
import flash.display.LoaderInfo;
import flash.events.Event;
import flash.events.EventDispatcher;
import flash.events.ProgressEvent;
import flash.net.URLRequest;
import flash.net.URLStream;
import flash.utils.ByteArray;
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private var m_loadThumbnail:Boolean = false;
private var m_urlStream:URLStream = null;
private var m_data:ByteArray = new ByteArray();
private var m_exif:Object = new Object;
private var m_exifKeys:Array = new Array();
private var m_intel:Boolean=true;
private var m_loc:uint=0;
private var m_thumbnailData:ByteArray = null;
private var m_thumbnailBitmapData:BitmapData=null;
private var DATASIZES:Object = new Object;
private var TAGS:Object = new Object;
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m_urlStream.addEventListener( ProgressEvent.PROGRESS, dataHandler);
m_urlStream.load(urlReq);
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public function getThumbnailBitmapData():BitmapData{
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DATASIZES[1] = 1;
DATASIZES[2] = 1;
DATASIZES[3] = 2;
DATASIZES[4] = 4;
DATASIZES[5] = 8;
DATASIZES[6] = 1;
DATASIZES[7] = 1;
DATASIZES[8] = 2;
DATASIZES[9] = 4;
DATASIZES[10] = 8;
DATASIZES[11] = 4;
DATASIZES[12] = 8;
TAGS[0x010e] = 'ImageDescription';
TAGS[0x010f] = 'Make';
TAGS[0X0110] = 'Model';
TAGS[0x0112] = 'Orientation';
TAGS[0x011a] = 'XResolution';
TAGS[0x011b] = 'YResolution';
TAGS[0x0128] = 'ResolutionUnit';
TAGS[0x0131] = 'Software';
TAGS[0x0132] = 'DateTime';
TAGS[0x013e] = 'WhitePoint';
TAGS[0x013f] = 'PrimaryChromaticities';
TAGS[0x0221] = 'YCbCrCoefficients';
TAGS[0x0213] = 'YCbCrPositioning';
TAGS[0x0214] = 'ReferenceBlackWhite';
TAGS[0x8298] = 'Copyright';
TAGS[0x829a] = 'ExposureTime';
TAGS[0x829d] = 'FNumber';
TAGS[0x8822] = 'ExposureProgram';
TAGS[0x8827] = 'IsoSpeedRatings';
TAGS[0x9000] = 'ExifVersion';
TAGS[0x9003] = 'DateTimeOriginal';
TAGS[0x9004] = 'DateTimeDigitized';
TAGS[0x9101] = 'ComponentsConfiguration';
TAGS[0x9102] = 'CompressedBitsPerPixel';
TAGS[0x9201] = 'ShutterSpeedValue';
TAGS[0x9202] = 'ApertureValue';
TAGS[0x9203] = 'BrightnessValue';
TAGS[0x9204] = 'ExposureBiasValue';
TAGS[0x9205] = 'MaxApertureValue';
TAGS[0x9206] = 'SubjectDistance';
TAGS[0x9207] = 'MeteringMode';
TAGS[0x9208] = 'LightSource';
TAGS[0x9209] = 'Flash';
TAGS[0x920a] = 'FocalLength';
TAGS[0x927c] = 'MakerNote';
TAGS[0x9286] = 'UserComment';
TAGS[0x9290] = 'SubsecTime';
TAGS[0x9291] = 'SubsecTimeOriginal';
TAGS[0x9292] = 'SubsecTimeDigitized';
TAGS[0xa000] = 'FlashPixVersion';
TAGS[0xa001] = 'ColorSpace';
TAGS[0xa002] = 'ExifImageWidth';
TAGS[0xa003] = 'ExifImageHeight';
TAGS[0xa004] = 'RelatedSoundFile';
TAGS[0xa005] = 'ExifInteroperabilityOffset';
TAGS[0xa20e] = 'FocalPlaneXResolution';
TAGS[0xa20f] = 'FocalPlaneYResolution';
TAGS[0xa210] = 'FocalPlaneResolutionUnit';
TAGS[0xa215] = 'ExposureIndex';
TAGS[0xa217] = 'SensingMethod';
TAGS[0xa300] = 'FileSource';
TAGS[0xa301] = 'SceneType';
TAGS[0xa302] = 'CFAPattern';
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private function dataHandler(e:ProgressEvent):void{
//EXIF data in top 64kb of data
if(m_urlStream.bytesAvailable >= 64*1024){
m_urlStream.readBytes(m_data, 0, m_urlStream.bytesAvailable);
m_urlStream.close();
processData();
private function processData():void{
var iter:int=0;
//confirm JPG type
if(!(m_data.readUnsignedByte()==0xff && m_data.readUnsignedByte()==0xd8))
return stop();
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var ff:uint=0;
var marker:uint=0;
for(iter=0;iter<5;++iter){ //cap iterations
ff = m_data.readUnsignedByte();
marker = m_data.readUnsignedByte();
var size:uint = (m_data.readUnsignedByte()<<8) + m_data.readUnsignedByte();
if(marker == 0x00e1) break;
else{
for(var x:int=0;x<size-2;++x) m_data.readUnsignedByte();
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if(!(ff == 0x00ff && marker==0x00e1)) return stop();
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var i:uint;
var exifHeader:Array = [0x45,0x78,0x69,0x66,0x0,0x0];
for(i=0; i<6;i++) {if(exifHeader[i] != m_data.readByte()) return stop();}
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m_intel = (m_data.readByte()!=0x4d);
m_data.readByte(); //redundant
for(i=0; i<6;i++) {m_data.readByte();} //read rest of TIFF header
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m_loc = 8;
readIFD(0);
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if(m_thumbnailData){
var loader:Loader = new Loader();
loader.contentLoaderInfo.addEventListener(Event.COMPLETE, thumbnailLoaded);
loader.loadBytes(m_thumbnailData);
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private function readIFD(ifd:int):void{
var iter:int=0;
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var subexifJump:uint=0;
var thumbnailAddress:uint=0;
var thumbnailSize:int=0;
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var numEntries:uint;
if(m_intel) numEntries = m_data.readUnsignedByte() + (m_data.readUnsignedByte()<<8);
else numEntries = (m_data.readUnsignedByte()<<8) + (m_data.readUnsignedByte());
if(numEntries>100) numEntries=100; //cap entries
m_loc+=2;
for(iter=0; iter<numEntries;++iter){
//Read tag
var tag:uint;
if(m_intel) tag = (m_data.readUnsignedByte()) + (m_data.readUnsignedByte()<<8);
else tag = (m_data.readUnsignedByte()<<8) + (m_data.readUnsignedByte());
//read type
var type:uint;
if(m_intel) type = (m_data.readUnsignedByte()+(m_data.readUnsignedByte()<<8));
else type = (m_data.readUnsignedByte()<<8)+(m_data.readUnsignedByte()<<0);
//Read # of components
var comp:uint;
if(m_intel) comp = (m_data.readUnsignedByte()+(m_data.readUnsignedByte()<<8) + (m_data.readUnsignedByte()<<16) + (m_data.readUnsignedByte()<<24));
else comp = (m_data.readUnsignedByte()<<24)+(m_data.readUnsignedByte()<<16) + (m_data.readUnsignedByte()<<8) + (m_data.readUnsignedByte()<<0);
//Read data
var data:uint;
if(m_intel) data= m_data.readUnsignedByte()+(m_data.readUnsignedByte()<<8) + (m_data.readUnsignedByte()<<16) + (m_data.readUnsignedByte()<<24);
else data = (m_data.readUnsignedByte()<<24)+(m_data.readUnsignedByte()<<16) + (m_data.readUnsignedByte()<<8) + (m_data.readUnsignedByte()<<0);
m_loc+=12;
if(tag==0x0201) thumbnailAddress = data; //thumbnail address
if(tag==0x0202) thumbnailSize = data; //thumbnail size (in bytes)
if(TAGS[tag] != undefined){
//Determine data size
if(DATASIZES[type] * comp <= 4){
//data is contained within field
m_exif[TAGS[tag]] = data;
m_exifKeys.push(TAGS[tag]);
else{
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jumpT.name = TAGS[tag];
jumpT.address=data;
jumpT.components = comp;
jumpT.type = type;
jumps.push(jumpT);
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if(m_intel) {
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//string
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for(var compGather:int=0;compGather<jumpTarget.components;++compGather){
field += String.fromCharCode(m_data.readByte());
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if(jumpTarget.name=='DateTime' ||
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parseInt(array[2]), parseInt(array[3]),
parseInt(array[4]), parseInt(array[5]));
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m_exif[jumpTarget.name] = jumpData;
m_exifKeys.push(jumpTarget.name);
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//jump to subexif area to obtain meta information
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readIFD(ifd);
if(ifd==1 && thumbnailAddress && m_loadThumbnail){
//jump to obtain thumbnail
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m_thumbnailData = new ByteArray();
m_data.readBytes(m_thumbnailData, 0, thumbnailSize);
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// read the next IFD
if(nextIFD){
for(;m_loc<nextIFD;++m_loc) m_data.readUnsignedByte();
if(ifd==0 && nextIFD)
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dispatchEvent(new Event(Event.COMPLETE));
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kamesh419 wrote:
Hi all,
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Image reloading Issue - Imagefix
Hi all,
I have requirement like a grid component with images (Thumbnails).I have used the code of from javafx site(Thumnails.fx etc)
view style:Microsoft explorer view with thumbnail
Problem:Image reloading Issue - Imagefix
When i deleting selected image from the grid i am create the object of imagegrid for updated list of images.The problem i am facing after 3 o4 continious sequences the images were not displaying on grid.Every time insert/deleting on image grid functionality i am creating image grid object even though problem still exist.
//Code is like
def image :ImageFix =getImage();
function getImage():ImageFix{
if(url.endsWith(".pdf")){
url=url.replaceAll(".pdf","001.png");
var pdfThumbnai:File=new File(url);
if(not pdfThumbnai.exists()){
ImageFix{
backgroundLoading:true
preserveRatio:true
height:100
width:100
url:"{__DIR__}images/pdf-file-logo-icon.jpg";
//applicationContext.pdfThumbnail;
else{
ImageFix {
height:100
width:100
backgroundLoading:true
preserveRatio:true
url:"file:///{url}"
else ImageFix{
backgroundLoading:true
preserveRatio:true
height:100
width:100
url:url
// the image variable setting imageView for following variable
def imageView : ImageView = ImageView {
smooth: false
cache: true
image: image
cursor:Cursor.HAND
fitHeight:100
fitWidth:100
onMouseClicked: function(evt : MouseEvent) : Void
println("count value in Image Grid is {count}");
var id:Integer;
if(evt.clickCount >= 2)
applicationContextDMS.indexOfImg=count;
println("fileVectorObj {fileVectorObj}");
showOCRScreen(count,folderID,fileVectorObj);
if(evt.clickCount==1)
applicationContextDMS.indexOfImg=count;
selectImage(this);
// Scale the thumbnail up when the mouse enters.
onMouseEntered: function(evt: MouseEvent) : Void
gr.visible=true;
onMouseExited: function( e: MouseEvent ):Void {
gr.visible=false;
Please help out resolve this issuse.
Thanks in advanceThe only work around that I found was to rename the image file. Once renaming occurred, the image file when updated was rendered correctly. I have read an earlier bug report that claimed this was fixed. I do not believe it to be so. If anyone has any additional information please present it.
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Can you lock the background image orientation?
Hello all
Is there a way to lock the image orientation? When I turn the iPad, I want the apps to rotate, but I want the background image to stay portrait.
If not, is there someplace i can suggest the feature?
Thanks!No. It will orient along with your view. You can post feedback here: http://www.apple.com/feedback/
-
Image Quality issue with script
So I recently wrote a simple script to output an image at a bunch of different resolutions. However, I am running into an image quality issue that I don't run into when I do the same thing manually.
Here is an example image showcasing the image: http://terminalvelocity.ca/temp/notworking.jpg
As you can see along the top of the model's forhead there is destinct color fragmentation. Which seems very strange.
Here is the script, it is pretty simple, it asks for a few simple config options. (the above image was created using default settings). It then figures out the correct ratios and loops through doing each resize, saving the image, then reverting the history so each iteration uses the original image data and not the resized version:
doc = app.activeDocument;
openFilePath = Folder.selectDialog ("Where do you want the images to be saved?");
maxSize = Number(prompt("What would you like to be the maximum length of the long edge? (Image is never upsized) (pixels)", 2800));
minSize = Number(prompt("What would you like to be the minimum length of the long edge? (pixels)", 100));
gap = Number(prompt("How much smaller should each image be? (pixels)", 100));
quality = Number(prompt("What quality would you like the JPG exported as (0-12)", 10));
var size;
var primary;
var secondary;
if(doc.width > doc.height){
primary = doc.width;
secondary = doc.height;
}else{
primary = doc.height;
secondary = doc.width;
var ratio = secondary/primary;
var size = [];
for(var i = maxSize;i>minSize;i-=gap){
var p = i
var s = i * ratio;
size.push([p,s]);
var w;
var h;
var n;
for(var i in size){
if(doc.width > doc.height){
w = n = size[i][0];
h = size[i][1];
}else{
w = size[i][1];
n= h = size[i][0];
if(doc.width >= w && doc.height >= h){
doc.resizeImage(w,h,null,ResampleMethod.BICUBICSHARPER);
jpgFile = new File(openFilePath+"/"+n+".jpeg" )
jpgSaveOptions = new JPEGSaveOptions()
jpgSaveOptions.embedColorProfile = false
jpgSaveOptions.formatOptions =
FormatOptions.STANDARDBASELINE
jpgSaveOptions.matte = MatteType.NONE
jpgSaveOptions.quality = quality
app.activeDocument.saveAs(jpgFile, jpgSaveOptions, true,Extension.LOWERCASE);
doc.activeHistoryState = doc.historyStates[doc.historyStates.length-2];
In comparison, here is an example of an image of the exact same resolution that does not exhibit this issue at all:
The steps taken to save this image were as follows: http://photography.terminalvelocity.ca/content/images/2012/avery_konrad_6/horizontal/1500. jpg
Image > Resize > Bicubic Sharper (1500px);
Save For Web
Jpeg
Quality 75
Optimzed: true
Progressive: false
Blur: 0
Convert to sRGB: true
Anyway, as you can see, The manually exported image does not have any of the quality issues that are present within the scripted image. I am pretty new to photoshop scriping so am assuming it has something to do with me missing some sort of option in the save settings. Any help would be swell.
Also note, this doesn't occur on all images, I usually don't see an issue when using the script, however, something about the tones of this particular photo make it really obvious.
I am using the latest version of Photoshop CS6 (creative cloud) on Max OSX
thanks so much!I'm on windows find the bicubicsharper does not work well it the image being resized has been highly sharpened all ready. Because of my Photoshop preferences I had to make minor modification to your script. I'm also a bit colorblind so i don't see many color issues so I include a screen capture if what windows does with your image and script.
var orig_ruler_units = app.preferences.rulerUnits;
app.preferences.rulerUnits = Units.PIXELS; // Set the ruler units to PIXELS
doc = app.activeDocument;
openFilePath = Folder.selectDialog ("Where do you want the images to be saved?");
maxSize = Number(prompt("What would you like to be the maximum length of the long edge? (Image is never upsized) (pixels)", 2800));
minSize = Number(prompt("What would you like to be the minimum length of the long edge? (pixels)", 100));
gap = Number(prompt("How much smaller should each image be? (pixels)", 100));
quality = Number(prompt("What quality would you like the JPG exported as (0-12)", 10));
var size;
var primary;
var secondary;
if(doc.width > doc.height){
primary = doc.width;
secondary = doc.height;
}else{
primary = doc.height;
secondary = doc.width;
var ratio = secondary/primary;
var size = [];
for(var i = maxSize;i>minSize;i-=gap){
var p = i
var s = i * ratio;
size.push([p,s]);
var w;
var h;
var n;
for(var i in size){
if(doc.width > doc.height){
w = n = size[i][0];
h = size[i][1];
}else{
w = size[i][1];
n= h = size[i][0];
if(doc.width.value >= w && doc.height.value >= h){
doc.resizeImage(w,h,null,ResampleMethod.BICUBICSHARPER);
jpgFile = new File(openFilePath+"/"+n+".jpeg" )
jpgSaveOptions = new JPEGSaveOptions()
jpgSaveOptions.embedColorProfile = false
jpgSaveOptions.formatOptions =
FormatOptions.STANDARDBASELINE
jpgSaveOptions.matte = MatteType.NONE
jpgSaveOptions.quality = quality
app.activeDocument.saveAs(jpgFile, jpgSaveOptions, true,Extension.LOWERCASE);
doc.activeHistoryState = doc.historyStates[doc.historyStates.length-2];
app.preferences.rulerUnits = orig_ruler_units; // Reset units to original settings
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