How can I save an object Image in a file with .jpg or .gif format?

Greetings
I'm programming a Ray Tracer but now I need to know like save an object Image in a file with .jpg or .gif format. Could anyone help me, please? It's very important to me do this as soon as possible. Thanks.

In 1.4 you have ImageIO available ... javax.imageio.ImageIO.write is the method to call.
- David

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Hi,
I've got a problem in my app.
Namely, my app stores data as objects written to the files. Everything is OK, when I write some data (objects of a class defined by me) to the file (by using writeObject method from ObjectOutputStream) and then I'm reading it sequencially by the corresponding readObject method (from ObjectInputStream).
Problems start when I add new objects to the already existing file (to the end of this file). Then, when I'm trying to read newly written data, I get an exception:
java.io.StreamCorruptedException
at java.io.ObjectInputStream.readObject0(Unknown Source)
at java.io.ObjectInputStream.readObject(Unknown Source)
Is there any method to avoid corrupting the stream? Maybe it is a silly problem, but I really can't cope with it! How can I write new objects to the existing file with already written objects?
If anyone of you know something about this issue, please help!
Jai

Here is a piece of sample codes. You can save the bytes read from the object by invoking save(byte[] b), and load the last inserted object by invoking load.
* Created on 2004-12-23
package com.cpic.msgbus.monitor.util.cachequeue;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.RandomAccessFile;
* @author elgs This is a very high performance implemention of Cache.
public class StackCache implements Cache
    protected long             seed    = 0;
    protected RandomAccessFile raf;
    protected int              count;
    protected String           cacheDeviceName;
    protected Adapter          adapter;
    protected long             pointer = 0;
    protected File             f;
    public StackCache(String name) throws IOException
        cacheDeviceName = name;
        f = new File(Const.cacheHome + name);
        raf = new RandomAccessFile(f, "rw");
        if (raf.length() == 0)
            raf.writeLong(0L);
     * Whne the cache file is getting large in size and may there be fragments,
     * we should do a shrink.
    public synchronized void shrink() throws IOException
        int BUF = 8192;
        long pointer = getPointer();
        long size = pointer + 4;
        File temp = new File(Const.cacheHome + getCacheDeviceName() + ".shrink");
        FileInputStream in = new FileInputStream(f);
        FileOutputStream out = new FileOutputStream(temp);
        byte[] buf = new byte[BUF];
        long runs = size / BUF;
        int mode = (int) size % BUF;
        for (long l = 0; l < runs; ++l)
            in.read(buf);
            out.write(buf);
        in.read(buf, 0, mode);
        out.write(buf, 0, mode);
        out.flush();
        out.close();
        in.close();
        raf.close();
        f.delete();
        temp.renameTo(f);
        raf = new RandomAccessFile(f, "rw");
    private synchronized long getPointer() throws IOException
        long l = raf.getFilePointer();
        raf.seek(0);
        long pointer = raf.readLong();
        raf.seek(l);
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     * (non-Javadoc)
     * @see com.cpic.msgbus.monitor.util.cachequeue.Cache#load()
    public synchronized byte[] load() throws IOException
        pointer = getPointer();
        if (pointer < 8)
            return null;
        raf.seek(pointer);
        int length = raf.readInt();
        pointer = pointer - length - 4;
        raf.seek(0);
        raf.writeLong(pointer);
        byte[] b = new byte[length];
        raf.seek(pointer + 4);
        raf.read(b);
        --count;
        return b;
     * (non-Javadoc)
     * @see com.cpic.msgbus.monitor.util.cachequeue.Cache#save(byte[])
    public synchronized void save(byte[] b) throws IOException
        pointer = getPointer();
        int length = b.length;
        pointer += 4;
        raf.seek(pointer);
        raf.write(b);
        raf.writeInt(length);
        pointer = raf.getFilePointer() - 4;
        raf.seek(0);
        raf.writeLong(pointer);
        ++count;
     * (non-Javadoc)
     * @see com.cpic.msgbus.monitor.util.cachequeue.Cache#getCachedObjectsCount()
    public synchronized int getCachedObjectsCount()
        return count;
     * (non-Javadoc)
     * @see com.cpic.msgbus.monitor.util.cachequeue.Cache#getCacheDeviceName()
    public String getCacheDeviceName()
        return cacheDeviceName;
}

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Thanks

A really simple method is to use the quick selection tool to outline a person or object in a photo. Holding down the alt key changes the tool action from plus to minus - so you can perfect your selection as you go along (e.g. if you accidentally select part of the background)
When you are happy with your selection of the person or object press Ctrl+J - this will automatically create a new transparent layer with your selection as shown by the checkerboard background.
You can then add any other picture or background - here I’ve used a simple green background to illustrate the point by selecting Layer > New Fill Layer > Solid Color
I then clicked on the transparent layer in the layer pallet and dragged it to the top - to reveal the green background behind my person selection.
I then selected the hand tool and the bounding box appeared - by holding down the shift key you can drag the corner handles or sides of the bounding box to resize and then click the green checkmark to confirm OK. You can then drag the image to any position in the frame of your chosen background. Save as PSD to keep your layers for later or click Layer > Flatten Image to save as Jpeg.
Click to view

How do I save/burn my images,after editing, to a disc and what format JPEG? THX!!!

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I can't seem to find a way in iPhoto 09 do this. Can I export an edited image to a file, keeping the edits intact, or do I have to use a 3rd party editing app when I edit from inside iPhoto 09?
I would prefer to use iPhoto's editing tools so should I import previously cropped images into iPhoto? If yes, what file should I use? I was wondering if anyone does this on a regular basis and if there issues doing this.
I like the editing tools in iPhoto very much. In other apps I have always cropped, resized, corrected levels and a bit of color. I am not a power user by any means and I am close to doing this all in iPhoto if I could only export the edited image to a file.
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Any advice would be greatly appreciated.
Regards,
Jim

You can edit from iPhoto by dragging to the desktop or exporting using the File -> Export command, setting the Kind to anything except original.
But you probably don’t need to:
There are many, many ways to access your files in iPhoto:
*For Users of 10.5 Only*
You can use any Open / Attach / Browse dialogue. On the left there's a Media heading, your pics can be accessed there. Apple-Click for selecting multiple pics.
Uploaded with plasq's Skitch!
You can access the Library from the New Message Window in Mail:
Uploaded with plasq's Skitch!
*For users of 10.4 and 10.5* ...
Many internet sites such as Flickr and SmugMug have plug-ins for accessing the iPhoto Library. If the site you want to use doesn’t then some, one or any of these will also work:
To upload to a site that does not have an iPhoto Export Plug-in the recommended way is to Select the Pic in the iPhoto Window and go File -> Export and export the pic to the desktop, then upload from there. After the upload you can trash the pic on the desktop. It's only a copy and your original is safe in iPhoto.
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Regards
TD

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I have an EPS file for it. Can anyone please help me ? Here is the LINK

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How can i save differnts data in the same file?

Hi all,
i need some help. I'm working on a project for students an th university. We have to devellop a programm for LEDs measurement so that all the measure data must be save in de same file. We have develloped the programm, but we have a big problem to save the measure in the same File.
When we do the first measure , the file must be created and the fisrt data gonna be save in this file that is correct
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We need some help, to know how we can change or devellop this programm so that, for the first measure , the file must be created and the fisrt data gonna be save in this file, the second measure the same file must be chose and from the third and more the measure data must be automatically save in this file without the programm ask to chose or to confirme a file?
I attach a part off this programmm
Thanks
Attachments:
SR830DSP19.vi ‏212 KB

Move the "File Dialog" where you open your new file out of the while loop. Only pass the refnum inside the loop.

How can I Save and Load the Configuration File of a VNA HP8510C with LabView

Hello, I'm working with a HP8510C. In order to simplfy the use, I try to save and to load the configuration file. Actually, such files are saved in the HP8510C, but there is only 4 places to save. It will be more interresting when I can storage this file in the computer with Labview. I don't have found anything about in the Documentation.
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Géraud DEVOS
IWE Karlsruhe

geraudIWE a écrit:
Hello, I'm working with a HP8510C. In order to simplfy the use, I try to save and to load the configuration file. Actually, such files are saved in the HP8510C, but there is only 4 places to save. It will be more interresting when I can storage this file in the computer with Labview. I don't have found anything about in the Documentation.
Has someone already deal with such a question?
Géraud DEVOS
IWE Karlsruhe
Hello GerauIWE,
Have you try to use the Hewlett-Packard 8510C Instrument Driver?
You can download it on :
http://sine.ni.com/apps/we/niid_web_display.drv_results?p_app_area=&p_man=hewlettPackard&p_keywords=8510c&p_inst_type=&p_env=845&p_drv_type=&p_int=
Best Regards,
Sanaa T
National Instruments France
Sanaa T.
National Instruments France
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>> http://www.nidays.fr/images/081110_ban_nidays09_468X60.gif

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Some emails I want to save to my computer so that i can view them without opening up my email. I used to be able to do this by saving to a documents folder as a text file. (Outlook express). I do not find this capablity in Thunderbird. if it is there, I have not found it.

'''File|Save As''' gives you several options. By default it will save as a .eml file, which will need an email client to view. You can usually save by drag-and-drop, but that creates an .eml file too.
You can save as HTML by putting in an html file extension when doing File|Save As.
This add-on:
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gives you multiple options for saving one or more messages in various formats.

How can I save an email as a download file rather than a file in my email

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Every time Firefox opened

'''File|Save As''' gives you several options. By default it will save as a .eml file, which will need an email client to view. You can usually save by drag-and-drop, but that creates an .eml file too.
You can save as HTML by putting in an html file extension when doing File|Save As.
This add-on:
https://nic-nac-project.org/~kaosmos/mboximport-en.html
gives you multiple options for saving one or more messages in various formats.

How can I make waveform graph and/or excel file with two different dynamic DBL values?

As the question describes, I have two dbl sources from a load cell and linear actuator (from firgelli). I want to make a load/displacement curve from the force readings from the load cell and the displacement readings from the linear actuator. The load cell outputs an analog signal that can be acquired by a DAQ and the actuator comes in with a board and VI program to control the speed and measure the displacement of the actuator to a sample rate of my choosing. Is there a way that I can make a VI where it continues to collect data and construct the graph I'm looking for?
Solved!
Go to Solution.

A couple points about your application:
1. Synchronization. Since you're ultimate goal is a stress/strain curve, it is vital that your force and displacement data be synchronized appropriately. If your sampling is beyond a few times a second, this is not really possible without some form of hardware synchronization via either a trigger and/or sample clock. Two NI DAQ boards can be synchronized this way easily, but it seems you're using 3rd party hardware for one of these processes. Would need to know more about that board to know what options you have. You could specify what your resolution is in distance, and how fast the article will be moving, to get an idea of how fast to acquire, and how well you'll need to synchronize the data. Another option, since it appears each data stream will be sampled on a hardware-timed sample clock, they will be offset in time, but not skewed during the acquisition. You may be able to identify a feature in the data set common to each and use that to remove the timing offset after the process is completed.
2. Display. To display data during the acquisition process, I usually recommend at least one display that plots vs. time. Much easier to spot irregularities with the acquisition process that way. However, if you'd like to also plot force vs. displacement, you can use an XY Graph to plot parametrically. For Example, in your case you would use the Displacement data as the X coordinates, and the Force data as the Y coordinates.
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4. Batch vs. Real-Time Recording (Data File). If your process is short (< 30 sec) you may be better off acquiring the data, Storing it locally to the VI (Array - usually maintained in a shift register), and then writing the file with a header (acquisition parameters, test article information, data column headers) and the data all at once in batch mode to the file after the process is finished. If, however, it is longer than that you would be better off starting a data file with a header and appending the data to the file as you go, so that if something happens during your test, you at least have data up to that point.
Hope this Helps,
Kurt

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Seconded! I have a 1039x697 PSD which comes out as a 249x167 PDF! Every time! What am I doing wrong?

How can I save front panel images each time a loop iterates

So I've been working on some optical codes in LabVIEW for a while, I've read a lot of these similar questions but I can't seem to apply them directly to my situation in all cases.
I essentially have a code that shows an intensity graph that is continually modified in a for loop, I want to save a picture of that intensity graph each loop without having to manually label them. Is there something similar to the get image node that can do this. I've looked through the image acquisition in the vision VIs but only see references to hardware like cameras.
Attached is a simplified version of a changing intensity graph. With the get image I have to establish the names of 10 images and the path there before it will run and save like I want it to.
A million thanks to anyone who can help
Solved!
Go to Solution.
Attachments:
Sample image save.vi ‏19 KB

That worked wonderfully and is exactly what I need for the phase diagrams Im working with. I have a new and similar issue, I do have a camera showing us our laser source in a CCD image within my code. I was hoping to get a picture of that each iteration and hoped the solution you provided would work for both but the CCD jpgs are just black. I'm assuming I may have to use a different acquiring technique with that but dont know the best way to go.
Any help there? I cant really post a VI since the camera stuff wouldnt work but heres a screen shot of the front panel and the CCD image that id like to capture.
Attachments:
2.JPG ‏400 KB

How can I save an object Image in a file with .jpg or .gif format?

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