Data transfer from matlab to labview

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  Hello. I try to display the RGB 3 dimensions image matrix / table (from MATLAB) in LabVIEW. MATLAB returns a matrix 3D with RGB data, but it seems that LabVIEW takes only the 2D matrices. Is there anyway to display the image in labview?

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  K

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• Table data transfer from one page to another page in the OFA

  Hi all

  Could you please help me with the following requirements. I'm transferring the first records of the selected page to the second page, but running in question.

  I have 2 custom OAF pages:

  1st Page is the search looking for an invoice and invoice page, the user can select "multiple entries" (her table with a multiple selection area) and click transfer.

  Internally, the button calls the setForwardUrl method and call the 2nd page, where the second page contains region Advacned table to display the records selected the 1st page.

  Because the user can select more than 1 record in the search box on the first page, I want to hold all the rows in a table of Hashmap with integer index and transfers them to the 2nd page. Here is the syntax of hashmap that I use:

  map of java.util.HashMap < Integer, InvoiceRow > new < Integer, InvoiceRow > = (); Here InvoiceRow is a CLASS structure personalized with InvoiceNumber and as variables inside customer number.

  But if I passed the HashMap above to the setForwardURL method, the JDeveloper throw an exception indicating that the message "setForwardURL cannot invoke".

  Could you please help me how can I transfer the first page of records multiselected on the second page?

  Enjoy your time.

  -Vincent

  Mohamed, the approach that I told you can try below way:

  public String getSelectedData()
  {
  String whereclause = "(";"
  String whereclause1 = "(";"
  XXCONTAINLINESVOImpl vo = this.getXXCONTAINLINESVO1 ();
  OAViewObject vo = (OAViewObject) getXXDPECONTAINLINESVO1 ();
  System.out.println ("debTEST" + punload);
  Rank [] sumVoRow = vo.getFilteredRows ("Select1", "Y");
        
  System.out.println ("deb multi select test" + sumVoRow.length);
  If (sumVoRow! = null & sumVoRow.length > 0)
  {
  for (int i = 0; i)< sumvorow.length;="" i++)="">
           
          
  String wipEntityId =
  sumVoRow [i].getAttribute("LineId").toString ();
            
              
  WhereClause = whereclause + sumVoRow [i].getAttribute("LineId").toString () + ",";
               
  System.out.println ("deb multi select test" + whereclause);
          
  }
  }
  If (whereclause.length () > 0 & whereclause.charAt (whereclause.length () - 1) == ',')
  {
          
  B StringBuilder = new StringBuilder (whereclause);
  ("b.Replace (WhereClause.LastIndexOf (","), whereclause.lastIndexOf (", ") + 1," ")");
  WhereClause = b.toString ();
  whereclause return;
            
  }
  System.out.println ("deb where test clause" + whereclause);
         
  whereclause return;
  }

  This method will return the value as: whereclause = (111,222,333) then put it in a varibale session and go to method of CO below

  ----------------------------
  public void processPOData (String wherclause)
  {

  String query = getXXDPECONTAINDATAVO1 () .getQuery (); Old stringbuffer queryStringBuffer = new StringBuffer();
  String newwhereclause = "LINE. LINE_ID IN "+ wherclause;

  System.out.println ("NEW DEB where clause:" + newwhereclause);
  StringBuffer stringbuffer = new StringBuffer();
                        
  StringBuffer.Append ("SELECT rownum LINE_NUM, A.* (" ");
  StringBuffer.Append (Query);
  StringBuffer.Append ('where');
  StringBuffer.Append (newwhereclause);
                     
  ViewDefImpl viewdefimpl is getXXDPECONTAINDATAVO1 () .getViewDefinition ();.

  viewdefimpl.setQuery (stringbuffer.toString ());
                     
      
             
  System.out.println ("DEB NEW QUERY TEST:"+stringbuffer.toString()); ")
  getXXDPECONTAINDATAVO1 () .executeQuery ();
            
  }

  Let me know if stil you face to deliver you

  Thnaks

  Deb

• data transfer from one table to another and by generating a primary key

  Hello experts,
  
  Well, I have 2 paintings and I need to move columns in one of them.
  the problem is state that the primary key of the second table has to go in a column in the first table, and I generate a primary key in the first table as well. How to generate the primary key

  You can insert the value of key primary agent_id from agent table via before level trigger for insertion line. The agent_id value can be generated through a sequence.

  the trigger code can be as

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  create or replace trigger trg_agent_id before insert
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  for each row
  declare
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  Begin
     select seq_agent.nextval into v_agent_id from dual;
     :new.agent_id:= v_agent_id;
  End;
  

  So when will pull you insert tasks than this agent_id value will be added. And you will not get error

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  Wireless is the worst...

  And if your laptop is missing ethernet then maid in love at first sight are excellent. However the thunderbolt cables are ridiculous price. It can be even cheaper to buy a bolt of lightning for the ethernet card and a connecting cable ethernet... that are a little money... all this, it's cheaper than a cable long enough thunderbolt.

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  My questions are:

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  Thank you in advance.

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  Thank you very much for the reply.

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• LabVIEW arduino uno bad data transfer

  Hello

  I have some problems with the transfer of data from the arduino uno to labview.

  I did a VI where I can control the power of a heater with measurements of temperature with arduino uno.

  The problem is that from time to time the incorrect temperature is captured in labview by missing the number or a number, for example. LabVIEW gets 1.25 ° C instead of 15.25 ° C or 2000 ° C instead of 20.00.

  When I look at the program arduino tracer series these errors do not occur. So I guess it will be a problem with the settings of labview or my VI.

  Parts joined a set of data extracted from the VI and VI himself and the arduino script

  Yes.  The Subvi has 2 major problems.

  The first is as I said.  You set up and close the serial port each iteration.  There is a risk that the device could be send data that you won't miss the moment, that the port is closed.  (Even if she doesn't really explain why you miss the decimal point in the middle of the data bytes.  Serial ports must be configured and opened when the program starts.  Writing and reading within the loop.  And not closed when the program ends.

  The second major problem.  Why you have the property Bits of data cable up to the number of bytes to read.  Bytes and pieces is two different entities.  And in this case, the data bits is the number of bits of data defined by the configuration of the serial port.  Probably 8 and would still be 8 and has nothing to do with the number of bytes actually in the serial port.  Number of bytes to read is how many bytes you want to actually read the serial port, could be 1, 50, 1000,...

  Is your device send data continuously without asking?  Should I use a stop character?  If this isn't, by using a stop as a return character, carriage or line break, then it should.  It will help you to break the ASCII data that crosses into packets.  Configure your serial port is set up to search for characters of endpoint and it would be a line break character. Use the termination character, and tells your VISA read an arbitrarily large number.  A number that is larger than the longest message that you expect to receive.  The VISA read will return as soon as she sees the character of judgment and you give a full data package.

  It is often a good idea to have a communication protocol of request/response with your device.  You write a command that says 'give me the value.  It reads and responds to the back and gives value.  Otherwise if he sends just data continuously without asking confirmation and that you do not read fast enough, you could extend your serial port (which would give an error and you could lose data), and even before that, you could read old data which is at the front of your stamp series while your device has already sent hundreds of data points more after that.