I want to read tif file and encrypt it by aes. who can help me?

I have several questions:
1. Is there a java api to read and write tif files. this api can read the header of tif(IFH) and add something into the header.
2. Is there a java api to encypt the stream of tif file by AES?
Thanks a lot!!! every superman comes here and helps me.
Thank u

1. Is there a java api to read and write tif files. this api can read the header of tif(IFH) and add something into the header.javax.imageio.ImageIO
2. Is there a java api to encypt the stream of tif file by AES?javax.crypto.CipherOutputStream

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<div style="position:absolute;top:47px;left:37px;font-family:'Times New Roman';font-size:10pt;white-space:nowrap;">
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<div style="position:absolute;top:1083px;left:151px;font-family:'Times New Roman';font-size:1pt;white-space:nowrap;">
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<div style="position:absolute;top:131px;left:415px;font-family:'Times New Roman';font-size:10pt;white-space:nowrap;"><b>Number of Shares </b>
</div>
<div style="position:absolute;top:147px;left:458px;font-family:'Times New Roman';font-size:10pt;white-space:nowrap;"><b>Held </b>
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<div style="position:absolute;top:220px;left:531px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">
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<div style="position:absolute;top:220px;left:618px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">13.42%
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<div style="position:absolute;top:421px;left:663px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">
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<div style="position:absolute;top:462px;left:663px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">
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<div style="position:absolute;top:494px;left:161px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">Merrill Lynch Equities (Australia)
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<div style="position:absolute;top:502px;left:472px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">4,325,000
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<div style="position:absolute;top:502px;left:531px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">
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<div style="position:absolute;top:502px;left:663px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">
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<div style="position:absolute;top:542px;left:472px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">4,150,000
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<div style="position:absolute;top:542px;left:531px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">
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</div>
<div style="position:absolute;top:542px;left:663px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">
</div>
<div style="position:absolute;top:575px;left:161px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">Bond Street Custodians Limited - A/C
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<div style="position:absolute;top:590px;left:161px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">Institutional
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<div style="position:absolute;top:583px;left:472px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">2,750,000
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<div style="position:absolute;top:583px;left:531px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">
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<div style="position:absolute;top:583px;left:625px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">1.01%
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<div style="position:absolute;top:583px;left:663px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">
</div>
<div style="position:absolute;top:623px;left:161px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">Cogent Investment Operations Pty Ltd 2,599,321
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<div style="position:absolute;top:623px;left:531px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">
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<div style="position:absolute;top:623px;left:625px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">0.96%
</div>
<div style="position:absolute;top:623px;left:663px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">
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<div style="position:absolute;top:663px;left:161px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">Skeet Nominees Pty Ltd 2,276,736
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<div style="position:absolute;top:663px;left:531px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">
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<div style="position:absolute;top:663px;left:663px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">
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<div style="position:absolute;top:704px;left:161px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">Diederik de Boer 1,917,561
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<div style="position:absolute;top:704px;left:531px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">
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<div style="position:absolute;top:704px;left:625px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">0.71%
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<div style="position:absolute;top:704px;left:663px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">
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<div style="position:absolute;top:744px;left:161px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">Ecapital Nominees Pty Limited 1,594,736
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<div style="position:absolute;top:744px;left:531px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">
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<div style="position:absolute;top:744px;left:625px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">0.59%
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Thanks..........................

FileToArray or readline to read a file and show the information in a textbox

CVI I am a beginner and have some basic questions.
Currently I am using CVI 2009th
I want to open a file and transform it into another format. The most important information to be displayed on the GUI.
For text output, I use the textbox.
With readline everything has worked, but for my data rows rather is impractical.
That's why I tried the same with FileToArray. But the array does not display in the text box.
I just do not know exactly how the textbox works. Does the textbox made a formfeed after a certain number of characters? Or I can write text in succession away?
Here are a few lines from my code.
// FileToArray  FileToArray (pathname, &fcsLine, VAL_CHAR, fcsfile_numberofelements, 1, VAL_GROUPS_TOGETHER, VAL_GROUPS_AS_ROWS, VAL_ASCII);
// What is the right way to diplay text with filetoarray?
SetCtrlVal (tabPanelINFO, TABINFO_FCS_VERSION, fcsLine);
InsertTextBoxLine(tabPanelFCS, TABFCS_FCSBOX, -1, fcsLine);  // ReadLine while (ReadLine (fcsfile_open, fcsLine, fcsfile_numberofelements) >= 0)
{ InsertTextBoxLine(tabPanelFCS, TABFCS_FCSBOX, -1, fcsLine); }
Solved!
Go to Solution.

Ok, so you are dealing with bynary data to read from the file. First of all, the post you linked refers to FileToArray () function, an I/O function which opens a file, reads its content in memory and closes it. It is basically different from ReadLine or ScanFile functions: ArrayToFile is useful to read files with numeric data only, which is not your case.
On the other hand, ReadLine actually reads file content into a string, without splitting it into data fields. On the data you have posted, ReadLine will read the entire field into a single string, since inside the data no linefeed is present. It will be up to you to extract from the string the values you need. It is possibly not the best approach...
Another option can be to read directly from binary format into memory, defining an appropriate datatype to read in file content. I don't know FDS file format (which of them is? ) so I made a rough trial to describe the data structure: knowing the exact data format you will be able to define the appropriate structure; the result will be something like that:
typedef struct {
   char type[3];
   char   version[7];
   char n1[32][8];
   char header[95];
   char   data[291];
} fds_format;
fds_format s;
fH = fopen ("c:\\FCS file.fcs", "rb");
fread ((char *)&s, sizeof(fds_format), 1, fH);
fclose (fH);
My attempt correctly scans all (hypothetic ) fields in text section, doing nothing in the binary section which is simply read int 'data' field.
I understand that this is not so simple to understand: I will be glad to clarify your doubts if any.
Message Edited by Roberto Bozzolo on 02-12-2010 05:31 PM
Proud to use LW/CVI from 3.1 on.
My contributions to the Developer Zone Community
If I have helped you, why not giving me a kudos?

Reading a file and changing one part of the file

I am trying to read a file and then I want to change the first value on each line. The file I am reading is a .HEADER file. Which is just read in notepad I am just opening this like a txt file. I get no say at all how this file is created originally
I want to change the value on the first line the a new title plus the ext .dat. The file is below. This stays the same format just with different values.
ECG000 1 171 26112 9:14:56 23/04/2002
ECG000 8 43(0) 8 127 79 -24066 0 AED trace
I want to change the ECG000 to a new value eg Pat1.dat on the first line and Pat1 on the second line. When I read this file in and output to the dos window I get ECG000 0 0 0 and that is it. Any ideas why this is happening and how I can replace the values in the file??
     private void FileExt() throws IOException
          System.out.println("In function");
          BufferedReader br = new BufferedReader(new FileReader("c:\\Projects\\FirstSupport\\ECG000.HEADER"));
          String s;
          Vector data = new Vector();
          ECGFile = new FileWriter("c:\\Projects\\FirstSupport\\ECG.txt",true);
          System.out.println("Reading the file");
          while ((s = br.readLine()) != null)
          data.add(s);
          System.out.println(s);
          System.out.println("Finished");
          String label = s.substring(0, s.indexOf(" "));
          System.out.println(label);
          String newLabel = (label+".dat");
          System.out.println(newLabel);
     }

I think this is what you're looking for:     private void FileExt() {
          java.util.List data=new ArrayList();
          String s;
          try {
               BufferedReader br=new BufferedReader(new InputStreamReader(
                    new FileInputStream(new File("ECG000.HEADER"))));
               while ((s = br.readLine()) != null) {
                    data.add(s);
                    System.out.println(s);
               br.close();
          catch (FileNotFoundException fnfe) {
               System.out.println("Input file not found");
               return;
          catch (IOException ioe) {
               ioe.printStackTrace();
               return;
          ListIterator li=data.listIterator();
          try {
               PrintWriter ECGFile=new PrintWriter(new FileOutputStream(
                    new File("ECG.txt")));
               while(li.hasNext()) {
                    s=(String)li.next();
                    if (s.substring(0, 6).equals("ECG000")) {
                         s="Pat1.dat"+s.substring(6, s.length());
                    ECGFile.println(s);
               ECGFile.close();
          catch (FileNotFoundException fnfe1) {}
     }Mark

Read from file and plot data against timestamp

Hello,
I know that there are already many posts regarding the question I m about to ask. But, I somehow dont seem to achieve what I want using the suggestions given in the other posts.
My problem is that, I have a file with the first column as a time stamp containing hour, minute, second and millisecond. The second column in a set of pressure values. I want to plot a graph of these pressure values against the timestamp recorded in this .txt file. Whatever I do, the timestamp values seem to skip by a couple of seconds.
How do i do this correctly?
Also, Is it advisable to use the read from file or the read from spreadsheet file vi? Kindly help me out.
Thanks and regards.

Hey, I was having a similar issue the other day. The first problem I had was how to open the file and actually get the timestamp information. Since I'm using LabView 8.0, I had to go into Read Spreadsheet File and create a new vi to open strings (in an array form). That's the Read Spreadsheet File (string) vi below. Then, I had to figure out how to convert the string of a timestamp to something meaningful to me. The Timestamp2.vi is how I did that below. I'm also including a little test file. So, to run Timestamp2.vi, you will have to input the right base path, and have the Read Spreadsheet File (string).vi in the same place as Timestamp2. Hope that helps. I think I'm finally getting this stuff, so let me know if it doesn't work.
Attachments:
Test.txt ‏1 KB
Timestamp2.vi ‏28 KB
Read From Spreadsheet File (String).vi ‏25 KB

How to upload the tif file and Display into Iframe

Hi all,
   My requirement is to upload 'n' number of tif files and display the file name in dropdown.
   If i select the file name, it should display the file in Iframe.
My problem is i am not able to upload the tif file.
try{
      byte []by=new byte[wdContext.currentContextElement().getPhotoResource().read(true).available()];
      wdContext.currentContextElement().getPhotoResource().read(true).read(by);
      String ext=wdContext.currentContextElement().getPhotoResource().getResourceType().getFileExtension();
      WDWebResourceType res=wdContext.currentContextElement().getPhotoResource().getResourceType();
      IWDResource resource=null;
      resource=WDResourceFactory.createResource(by,"sample",WDWebResourceType.getWebResourceTypeForFileExtension(ext));
       wdContext.currentContextElement().setPhoto(resource.toString());
          catch(Exception e){
In the above code Photo is Iframe Context variable.
If i upload tif file means it directly giving Save and Open options is giving.
Please how to slove this probelm...........................
Thanks,
Suni

Hi Satya,
In HTML a TIF file can be displayed as"
<html>
<body>
<object height="100%" width="100%"
type="image/tiff" data="PO.tif">
</object>
</body>
</html>
Hope it helps.
Regards,
Alka

I want to read tif file and encrypt it by aes. who can help me?

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