Problem creating a binarize image

Hi,
I have a problem creating a binarized image.
I have an java.awt.Image from Twain (with the Morena Framework) I have to compressing with COMPRESSION_GROUP4. Before I must obtain a binarized RenderedImage.
Before I have need of one single-band image.
With this code I succeed to obtain a single-band image but for acquired images with 100 dpi resolution only and moreover images have inverted colors.
How I can obtain single-band images with resolution larger than 100 dpi?
public static RenderedImage binarizer(RenderedImage img){
        double[][] matrix = {{ 1.0 , 1.0 , 1.0 , 0.0}};
        ParameterBlock pb1 = new ParameterBlock();
        pb1.addSource(img);
        pb1.add(matrix);
        RenderedImage bandCombinedImage = JAI.create("bandcombine",pb1);
        RenderedImage binarizedImg = JAI.create("binarize", bandCombinedImage, new Double(1));
        return binarizedImg;
//..

OK it seems no one can help, so I'll try a different question;
The reason I want to create an encrypted disk image is because I've been everywhere on the 'net' and cant find out how to password protect a folder on my Mac.
This seems like something that should be very straight forward, but for the life of me I cant find what I'm looking for. Every post I read refers to creating an encrypted disk image, or playing with folder permissions - non of which actually achieve the desired result.
Surely its not that hard create a folder that requires a password to be viewed??

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Problems creating a disk image on an external hard drive

Hiya,
I've been trying to create a disk image on my dad's external hard drive to hold my back-ups all day with no luck. I've managed small ones, e.g. a few MB, but when trying to create images 20 or 40 GB in size (which is what I need), it isn't working.
When I've tried creating them in Disk Utility with the place to save them to as the external HD, it says "Unable to create... Illegal seek" which doesn't explain much to me! I have been successful in creating a large disk image on my own HD, but when I try to move it to the external HD, it says "Sorry the operation could not be completed because an unexpected error occured (Error code -1309)."
Extra info:
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Thanks alot,
Charity

Found the answer. It was formatted for Windows.

Problem creating a disk image

Hello I'm trying to create an encrypted disk image on one of my external hard drives using the OSX Disk Utility, and am receiving the following error:
'unable to create "file Name.dmg". (no such file or directory)'
I'm creating the disk image as read/write, and with 128-bit AES encryption.
I've tried to create another disk image on my OSX HD (not an external), and still get an error, only this time:
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OK it seems no one can help, so I'll try a different question;
The reason I want to create an encrypted disk image is because I've been everywhere on the 'net' and cant find out how to password protect a folder on my Mac.
This seems like something that should be very straight forward, but for the life of me I cant find what I'm looking for. Every post I read refers to creating an encrypted disk image, or playing with folder permissions - non of which actually achieve the desired result.
Surely its not that hard create a folder that requires a password to be viewed??

Problem creating encrypted disk image

I have just moved from an Aluminium PB G4 with 10.3.9, on which I successfully created encrypted disk images and sparse images.
I now want to do the same on a brand new WD My Book attached to the new Macbook Pro. I open Disk Utility and click New Image. But when I do so, there are fewer options than there are on the old machine. I only have
Save As
Where
Image Format
Encryption
No option for specifying size, no sparse option.
Also, if I try and create a dmg on the My Book, I get 'Unable to create "myfilename.dmg". (Invalid argument)'
Any suggestions? Thanks

V.K.'s suggestion worked. Thank you. But now I've found that I get the full set of options in Disk Utility too. Baffled.
In the week I've been using my new Macbook Pro, I seem to be getting eerily similar experiences, i.e. apps don't work right, then I quit and next time they behave themselves. Yes, I know it sounds weird.
Is this an appropriate place for me to ask further questions. Namely, what's the best place to find out about 1. read/write v. sparse disk v. sparse bundle? 2. partitions - should I used them, whatever they are? and 3. why are the bigger disk images called CDs and DVDs? If I want a passworded place to put files on my external drive, bigger than 500MB, is there any reason not to use one of the CD/DVD size options?
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Problem creating an linking image

Hi,
i wrote an image processing servlet.
The problem is that i store the processed image as jpeg in a file, but when i generate and send the html linking this image, image itself is not yet created, so resulting page doesn't display image.
Is there any way for waiting creation of image before sending html linking it???
This is the code, i use ImageJ library for image processing:
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
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         Iterator i = FileItems.iterator();
         FileItem item = (FileItem) i.next();
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         BufferedImage img = ImageIO.read(instream);
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            catch (Exception e) {
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              "<HEAD><TITLE>Upload Message</TITLE></HEAD>\n" +
              "<BODY>\n" +
              "<H1>this is processed image" +
              "</H1>\n" +
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            out.close();
        } catch( Exception ex ) {
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Problem solved.
Error was that image were created in a wrong directory.
I replaced orginal code for images directory path with this:
String path=this.getServletContext().getRealPath("")+"/images";
f= new FileOutputStream(path+"/"+rotatedImageName);
.......................

Problem creating several image maps (linking to different pdf files) RoboHelp 8

Hi,
I have a problem creating several image map hotspots (that link to different .pdf files), from the same image using RoboHelp 8 HTML (WebHelp project).
After compiling, the first image map hotspot created, opens the .pdf file correctly. Unfortunately, when clicking on the other image hotspots, I get an error " Cannot find file...<file path>... Make sure path or Internet address is correct".
All the pdf documents are located in the same folder within the project.
Can anyone help?

Have you added the target files as baggage?
See www.grainge.org for RoboHelp and Authoring tips
@petergrainge

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I am trying to create a disk image of an iDVD project which I can burn to an external DVD drive. I am using iDVD 5. I go to file, and select Save as Disk Image. The movie renders for several hours, but when it gets to Burn, nothing. Burn is selcted in the iDVD window and says: Current Operation: Writing, but the progress bar for Burn remains empty for hours until I cancel. iDVD can't be selected in the menu bar after Burn is selected in iDVD. If I go to Force Quit, it says "iDVD (not reponding)".
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Ken
G4 Mac OS X (10.4.4)

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My movie is of a school show. I was finally successful when I deleted some numbers. Apparently the problem I posted was because my movie was too long for Best Performance. I did upgrade to iLife 6 in the process of figuring out what was wrong. I'm not sure if this is the reason, but I was able to get 72 minutes of video on my DVD with Best Performance (everything I've seen said the maximum is 60 minutes). The Status menu in Project Info of iDVD 6 says I have 72 minutes of video which takes up 3.9 GB of a 4.2 GB DVD. Once again, this being my first time, I'm not sure if this is because I'm using iLive 06.
One word of caution about iLive 06 (and I am speculating here). I think it is created to work optimally with the newly released Macs with the Intel processor. They run twice as fast as G4s. I found my iMovie and iDVD to be clunky when I edited after the upgrade. Many edits would have up to a five second pause before you got (what I call) the spinning beach ball and then the beach ball would spin for five to ten seconds before you could do the edit. I think I am going to move up my Mac upgrade schedule.
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I'm thinking of buying a Lenovo S300
Very cheap and lighweight
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I bought an ASUS laptop with no disc drive... and basically, there was no way I could boot up with an external DVD drive or USB
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Hi
Which application do you use to create the image?
I use the Symantec ghost and Im very satisfied. I have created an image file which was placed at the second application and if something going wrong Im able to install the OS from the image file.
Furthermore this unit support RAID and the RAID driver must be installed to recognize the HDD.

Problem with display an image on JFrame in Java 6

I'm trying to display an image on JFrame in this way:
1.) I'm creating a variable in the class:
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public void paint(Graphics g) {
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        g.drawImage(imgSpeaker, 330, 230, null);
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the image is not refreshed (repainted). What I'm doing wrong? I've been used this solution in Java 5 and everything
works perfectly. Any of described methods aren't depricated... Anyone can help me?

Thanks for your code, I've been tryed to apply your solution (with create a Buffered Image), but it still not working correctly. Firstly, the image isn't loading, and secondly the basic problem is not give in. Why have you been using "bg2d.draw(img, x, y, w, h, frame);" not in the paint method?
I'm use "Free Design" layout. Below I put on completly code from Netbeans.
import java.awt.Graphics;
import java.awt.Image;
import java.awt.MediaTracker;
import java.awt.image.BufferedImage;
public class ImageTest extends javax.swing.JFrame {
    private Image imgSpeaker = null;
    private BufferedImage bi = null;
    private MediaTracker trop = null;
    public ImageTest() {
            initComponents();
            trop = new java.awt.MediaTracker(this);
            imgSpeaker = java.awt.Toolkit.getDefaultToolkit().getImage("D:\\speaker.gif");
            try {
                trop.addImage(imgSpeaker, 0);
                trop.waitForID(0);
            } catch (java.lang.Exception e) {
                java.lang.System.err.println(e);
            bi = new java.awt.image.BufferedImage(100, 100, java.awt.image.BufferedImage.TYPE_INT_RGB);
            java.awt.Graphics2D bg2d = (java.awt.Graphics2D) bi.createGraphics();
            trop.addImage(bi, 1);
//            java.io.File f = new java.io.File("D:\\speaker.gif");
//            try {
//                bi = javax.imageio.ImageIO.read(f);
//            } catch (IOException e) {
//               java.lang.System.err.println(e);
    public void paint(Graphics g) {
//      super.paint(g);
       try {
            trop.waitForAll();
        } catch (Exception e) {
            System.err.println(e);
        g.drawImage(bi, 50, 100, imgSpeaker.getHeight(this), imgSpeaker.getHeight(this), this);
    // <editor-fold defaultstate="collapsed" desc=" Generated Code ">
    private void initComponents() {
        jButton1 = new javax.swing.JButton();
        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        jButton1.setText("jButton1");
        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                .addContainerGap(283, Short.MAX_VALUE)
                .addComponent(jButton1)
                .addGap(44, 44, 44))
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                .addContainerGap(252, Short.MAX_VALUE)
                .addComponent(jButton1)
                .addGap(25, 25, 25))
        pack();
    }// </editor-fold>
    public static void main(String args[]) {
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new ImageTest().setVisible(true);
    private javax.swing.JButton jButton1;
}

Problem in Loading Multiple image in Single Sprite/MovieClip

Hi All,
I am having a killing problem in loading multiple images in single movie clip/sprite using a separate class.
Here is the ImageLoader.as class
package com.project.utils{
    import com.project.*;
    import com.project.utils.*;
    import flash.events.EventDispatcher;
    import flash.display.MovieClip;
    import flash.events.Event;
    import flash.events.ProgressEvent;
    import flash.display.Loader;
    import flash.events.IOErrorEvent;
    import flash.net.URLLoader;
    import flash.events.MouseEvent;
    import flash.net.URLRequest;
    import flash.display.Bitmap;
    public class ImageLoader extends EventDispatcher {
        public var imgloader:Loader;
        public var imgMc:MovieClip;
        public var imgObject:Object;
        public var loaded:Number;
        public function ImageLoader():void {
            imgMc = new MovieClip();
            imgObject = new Object();
            imgloader = new Loader();
        public function loadImage(imgHolder:MovieClip, imgObj:Object):void {
            imgMc = new MovieClip();
            imgObject = new Object();
            imgloader = new Loader();
            imgMc = imgHolder;
            imgObject = imgObj;
            imgloader.contentLoaderInfo.addEventListener(Event.COMPLETE,onImgLoad);
            imgloader.contentLoaderInfo.addEventListener(ProgressEvent.PROGRESS,onImgLoadProgress);
            imgloader.contentLoaderInfo.addEventListener(IOErrorEvent.IO_ERROR,onImageLoadFailed);
            imgloader.load(new URLRequest(imgObj.FilePath));
        private function onImgLoad(Evt:Event):void {
            var image:Bitmap = Bitmap(Evt.target.content);
            try {
                imgMc.removeChildAt(0);
            } catch (error:Error) {
            imgMc.addChild(image);
            try {
                if (imgObject.URL != undefined) {
                    imgMc.buttonMode = true;
                    imgMc.removeEventListener(MouseEvent.CLICK, onImageClicked);
                    imgMc.addEventListener(MouseEvent.CLICK, onImageClicked);
            } catch (err:Error) {
            dispatchEvent(new CustomEvent("CustomEvent.ON_IMGE_LOAD"));
        private function onImageClicked(evt:MouseEvent):void {
            trace("Image Attrs:"+imgObject.URL +" Target "+imgObject.Target);
        private function onImgLoadProgress(Evt:ProgressEvent):void {
            if (Evt.bytesLoaded>0) {
                loaded = Math.floor((Evt.bytesLoaded*100)/Evt.bytesTotal);
                dispatchEvent(new CustomEvent("CustomEvent.ON_IMGE_LOAD_PROC",loaded));
        private function onImageLoadFailed(Evt:IOErrorEvent):void {
            trace("Image Loading Failed");
            dispatchEvent(new CustomEvent("CustomEvent.ON_IMGE_LOAD_FAIL"));
Here I am loading some images using the above class in a for loop, like
            for (var i=0; i < 3; i++) {
                //imgLoader=new ImageLoader;
                imgLoader.addEventListener("CustomEvent.ON_IMGE_LOAD",onImageLoad);
                var target:MovieClip=videolist_mc["list" + mcCount + "_mc"];
                target.list_mc.visible=false;
                var imgObj:Object=new Object;
                imgObj.FilePath=list[i].Thumbnail;
                imgObj.Url=list[i].Url;
                imgObj.Target=list[i].Target;
                target.list_mc.urlObj=new Object ;
                target.list_mc.urlObj=imgObj;
                imgLoader.loadImage(target.list_mc.imgholder_mc,imgObj);
                target.list_mc.lable_txt.htmlText="<b>" + list[i].Label + "</b>";
                target.list_mc.imgholder_mc.buttonMode=true;
                target.list_mc.imgholder_mc.addEventListener(MouseEvent.CLICK,onItemPressed);
                mcCount++;
In this case, the ImageLoader.as works only on the last movie clip from the for loop. For example, if i am trying to load three image in three movie clips namely img_mc1,img_mc2 and img_mc3 using the for loop and ImageLoader.as, I am getting the image loaded in the third movie clip only img_mc.
See at the same time, If i uncomment onething in the for loop that is
//imgLoader=new ImageLoader;
its working like a charm. But I know creating class objects in a for loop is not a good idea and also its causes some other problems in my application.
So, help to get rid out of this problem.
Thanks
-Varun

package com.project.utils{
    import com.project.*;
    import com.project.utils.*;
    import flash.events.EventDispatcher;
    import flash.display.MovieClip;
    import flash.events.Event;
    import flash.events.ProgressEvent;
    import flash.display.Loader;
    import flash.events.IOErrorEvent;
    import flash.net.URLLoader;
    import flash.events.MouseEvent;
    import flash.net.URLRequest;
    import flash.display.Bitmap;
    public class ImageLoader extends EventDispatcher {
        public var imgloader:Loader;
        public var imgMc:MovieClip;
        public var imgObject:Object;
        public var loaded:Number;
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// better add you movieclip to the stage if you want to view anything added to it.
            imgMc = new MovieClip();
            imgObject = new Object();
            imgloader = new Loader();
        public function loadImage(filepath:String):void {
            imgloader.contentLoaderInfo.addEventListener(Event.COMPLETE,onImgLoad);
            imgloader.contentLoaderInfo.addEventListener(ProgressEvent.PROGRESS,onImgLoadPr ogress);
            imgloader.contentLoaderInfo.addEventListener(IOErrorEvent.IO_ERROR,onImageLoadF ailed);
            imgloader.load(new URLRequest(filepath));
        private function onImgLoad(Evt:Event):void {
            var image:Bitmap = Bitmap(Evt.target.content);
            try {
                imgMc.removeChildAt(0);
            } catch (error:Error) {
            imgMc.addChild(image);
            try {
                if (imgObject.URL != undefined) {
                    imgMc.buttonMode = true;
                    imgMc.removeEventListener(MouseEvent.CLICK, onImageClicked);
                    imgMc.addEventListener(MouseEvent.CLICK, onImageClicked);
            } catch (err:Error) {
            dispatchEvent(new CustomEvent("CustomEvent.ON_IMGE_LOAD"));
        private function onImageClicked(evt:MouseEvent):void {
            trace("Image Attrs:"+imgObject.URL +" Target "+imgObject.Target);
        private function onImgLoadProgress(Evt:ProgressEvent):void {
            if (Evt.bytesLoaded>0) {
                loaded = Math.floor((Evt.bytesLoaded*100)/Evt.bytesTotal);
                dispatchEvent(new CustomEvent("CustomEvent.ON_IMGE_LOAD_PROC",loaded));
        private function onImageLoadFailed(Evt:IOErrorEvent):void {
            trace("Image Loading Failed");
            dispatchEvent(new CustomEvent("CustomEvent.ON_IMGE_LOAD_FAIL"));
Here I am loading some images using the above class in a for loop, like
            for (var i=0; i < 3; i++) {
                var imgLoader:ImageLoader=new ImageLoader();
                imgLoader.addEventListener("CustomEvent.ON_IMGE_LOAD",onImageLoad);
                var target:MovieClip=videolist_mc["list" + mcCount + "_mc"];
                target.list_mc.visible=false;
                var imgObj:Object=new Object;
                imgObj.FilePath=list[i].Thumbnail;
                imgObj.Url=list[i].Url;
                imgObj.Target=list[i].Target;
                target.list_mc.urlObj=new Object ;
                target.list_mc.urlObj=imgObj;
                imgLoader.loadImage(pass the image file's path/name);
                target.list_mc.lable_txt.htmlText="<b>" + list[i].Label + "</b>";
                target.list_mc.imgholder_mc.buttonMode=true;
                target.list_mc.imgholder_mc.addEventListener(MouseEvent.CLICK,onItemPressed);
                mcCount++;

How to create a background image for each item in a List object

Hello.
I am trying to create a background image that displays whenever a user posts something to a list. For example when a user posts text it would appear in a list. The new item in the list would contain a specific background image with the users text appearing on top of the background image. I do not want a background image for the entire list, rather each item within the list.
I am not sure how clear this is so I added an image below. When a user enters text in and clicks the "post-it" button their text would appear below with the sticky note background.
I am not sure which list type would be best for this problem or how to create insert the image, so I am open to suggestions.
Thank you for your help. Any advice or guidance will be greatly appreciated!

Hi
the easiest way would be with itemRenderer.
You have to do two things:
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2. create a flex component myRenderer that will be the single item. This can be a canvas with a background image and a text field on it.
When you add a new item to the list, a new myRenderer item will be created and the data property will be passed to it. So you have to put "data" in your textField.
If you need more help try looking at Tour de Flex samples, they're pretty easy.
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Error in creating an HDR image in photoshop using light room. Help please.

Hi so I am trying to create an HDR image using the latest version of photoshop and light room.
Just finished doing all the steps needed before I select my images and click (edit in > merge to HDR pro in photoshop ) it opens Photoshop and gives me an error saying "Merge To HDR.jsx could not be found." and my files don't open. what does this mean and how do I fix it?

difficult to reproduce. But it might be a data conversion problem.
e.g. try
to_char(a.num_tabs)If that's not the error comment out certain lines or xmltags and test which one is the reason for the error.
Edited by: Sven W. on Sep 9, 2011 3:13 PM - typo correction

Unable to create restore disk image with Disk Utility

I've tried three times in order to create a restore image of the users' volume of my Powerbook. I followed exactly the procedure explained typing "man asr" in a terminal window. I booted the Powerbook in target disk mode while connected to my iMac G5 from which Disk utility was run. Every time the disk image creation failed with a log report like this:
Creating Image HOME_HD.dmg
Initializing...
Copying...
/Volumes/HOME_HD: Authentication error
Initializing...
Finishing...
Initializing...
Creating...
Copying...
could not access /Volumes/HOME_HD/./Users/delos/Music/iTunes/iTunes Music/David Bowie/The Best Of David Bowie 1974-1979/01 Sound And Vision.m4a - Input/output error
Finishing...
Unable to create HOME_HD - Input/output error.
I don't know how my imported music could create such a problem to Disk utility, nevertheless I removed the incriminated song from the Music library but another one raised to be not accessible. Then I booted the powerbook from the supplied Tiger DVD too, and I got an error over the music file, something about an allocation that was 190 instead of 1, I got the volume repaired from Disk utility but the Disk image creation failed again without any hint because booting from DVD does not allow to save log file anywhere. Why on Earth I can't manage such a critical task as back up under Tiger while using Panther everything worked like a charm following the same procedure? Is anyone experiencing something similar?
Greetings
Gianmarco

Hi Lee, thank you for your answer, indeed I've just read carefully your article few hours ago, while I googled the net to find some hints on my issue. I think that I've followed exactly the right procedure to make the back up image, and can't find what is wrong. Actually Disk utility Repair disk successfully repaired the allocation bit (whatever that means) of the music files but that wasn't enough to let the creation of the disk image. Quite odd that the music files where recognized as messed up by Disk utility only booting from Tiger DVD and not while the Powerbook was connected to an iMac running Tiger too.
I'll do further investigation during weekend.
Greetings
Gianmarco

Unable to create a 'computer image' for system recovery purposes using an external drive!

Just finished another very frustrating long session with HP Tech Support without a resolution to a simple problem.
This laptop is only 4 months old, but the hard drive is failing, according to constant notifications, and repeated BIOS hard drive diagnostic tests.
I wanted to be sure that all back-up/system restore precautions were taken. Not much to 'back-up' because the laptop is new. The standard 'back-up' was easily done on a 4 GB flash drive.
I followed instructions for 'create a system image' in order to make a 'copy of the drives required to restore your computer if your hard drive or computer ever stops working' (instructions right on the page).
I wanted to create this 'system image' on an external flash drive. First attempt at storing a system image failed because: 'the drive is not formatted with NTSF. The G flash drive was easily formatted to NTSF. Repeated attempts at copying now failed because: 'the drive is not a valid back-up location' (!?).
I see absolutely no clear reason why a 'computer image' cannot be created on a flash drive that has been correctly formatted.
HP Tech Support claims that the reason for this is a 'Windows incompatibility with the program' (used to create a 'system image?).
No solution was given. According to HP Tech Support, this is now a 'Windows software problem', which doesn't make any sense to me.
Standard CD-R data disks (the only ones I have on hand now) are not big enough: 700 MB capacity, but a DVD-R data disk, which has 4.7 GB capacity, may not be enough (especially in the future) for the creation of a 'system image'.
Since HP Tech Support is incapable of solving a straightforward problem like this, I am asking for some more experience tech geek to bring me up to speed on this whole issue of 'system image' creation, for the purpose of computer restoration, as I am hesitant to go ahead and remove the hard drive, if I haven't properly done everything to 'back-up' as much as I can.

Again: HP Tech Support cannot answer this question for me.
I posted the above problem onto the Windows Recovery forum also.
There are super-experienced people that view these questions. (I meant the term 'geek' in an appreciative way: without users solving problems, everything would grind to a halt!).
Please, if there is anyone who can comment on this, whether the whole issue of 'system image' is redundant, whether it is necessary at all, I would be grateful for a stab at this.
I have the sense that the answer is staring me right in the face, yet even HP Tech Support has no idea what it is.

Trying to create HD disk image on external drive

I'm trying to use the disc utility to create a disk image of my HD, saved to an external drive (500 GB, My Book) via FireWire. After choosing the appropriate origin and destination info on the drop-down menus, and clicking Save, I get a dialogue box that for an instant shows the operation in progress, then reverts to: Unable to save DMG, resources busy. I might not have the exact words, but it's very close.
What am I doing wrong? What resource is "busy", the HD or the external? The dialogue box doesn't indicate that info. I'm not aware of any obvious conflicts. No other applications are running.

Were you trying to copy the Mac OS volume?
I think the OS itself is a big program that is running. So somehow the source is changing every minuets. You may try SuperDuper! or Carbon copy cloner to do what you want, both of which are free, at least some of the main functions are. They should have no problem when dealing with the OS that is currently running.

Problem creating a binarize image

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