Reading defined values from JVM to deployed applications
Hi,
I have to read some data from database and stored in the JVM. Later based on the requirement i have to retrieve those data from JVM to the applications deployed in JVM.
Please help if there is a solution for this.
Thanks
Pinisetti
this post makes no sense, read this (http://java.sun.com/docs/books/tutorial/) and get back to us
Similar Messages
-
Dll Created In: - MFC VC
6.0
Application Exe Developed In:
- VC 6.0, C# and VB.net (Applications which are using dll)
OS: - Windows XP sp2 32bit
/ Windows Server 2008 64 bit
Problem: - Facing problem in creating socket
in a method from an already deployed application exe while same method is working from another exe from same environment from same location.
Description: - We have product component which
has an exe component and from exe we invoke a method, which is defining in dll, and that dll is developed in MFC VC6.0. In the dll we have a method which downloads images from another system after making socket connection. But every time we are getting Error
code 7, it is not giving desire result while same method is working from another exe from same environment from same location. And also me dll is deployed on many systems and giving proper output from same application.
Already Attempt: - Because error is coming on
client side so what we did, we created a driver in C# which invokes same method from same environment(on client machine) using same dll and we are astonished because it worked fine there.
Kindly Suggest: -
We are not able to figure out root cause because nothing is coming in windows event logs but what I did, for finding the problem line, I wrote logs on each line and found the exact line in application exe which is not working,
actually it is not executing Create () method,
I will give snippet of the code for understanding the problem because we are not finding any kind solution for it.
Kindly assist us in understanding and fixing this problem.
Code Snippet: -
Int Initialize (LPTSTR SiteAddress, short PortId)
try
CClientTSSocket *m_pJtsSockto;
m_pJtsSockto = new CClientTSSocket;
LONG lErr = m_pJtsSockto->ConnectTS(csIPAddress,PortId);
ErrorLog (0, 0, "--------ConnectTS has been called ------------","" );
catch(...)
DWORD errorCode = GetLastError();
CString errorMessage ;
errorMessage.Format("%lu",errorCode);
ErrorLog (0, 0, "Image System", (LPTSTR)(LPCTSTR)errorMessage);
return IS_ERR_WINDOWS;
Note: -
CClientTSSocket extends CAsyncSocket
IS_ERR_WINDOWS is a macro error code which value I found 7.
LONG ConnectTS(CString strIP, UINT n_Port)
ErrorLog(0,0,"ConnectTS is calling Create [is going to call]","");
if(!Create())
ErrorLog(0,0,"ConnectTS is calling [Create not called successfully] ","");
n_Err = GetLastError();
ErrorLog(n_Err,0,"ConnectTS is calling1111111111111111Erorrrrrrrrrrrrr","");
return NET_INIT;
ErrorLog(0,0,"ConnectTS is calling2222222222222222222","");
if(!AsyncSelect(0))
n_Err = GetLastError();
return NET_INIT;
if(!Connect(strIP,n_Port))
n_Err = GetLastError();
ErrorLog(n_Err,0,"ConnectTS","");
return SERVER_NOT_CONNECTED;
Code description: -
From
int GETImage_MT() method we call Initialize() method and pass client machine IP and Port and there we call
ConnectTS() method, In this method we Create() method and finally it returns the error code as mention in macro 7.
Logs after running the program: -
--------ConnectTS has been called ------------
ConnectTS is calling Create [is going to call]
Image System
0
Note: - According to logs, problem is coming in Create method().
Here 0 is errorMessage received in catch block. And from catch block it returns macro value 7. And when we run same method individually from same machine, same environment through same dll
from different exe, it is working fine and we are facing any kind of problem. While same problem application was working properly earlier but now continuously it showing problem.
Kindly assist us to resolve the issue.Pointer variable was already initialized; I have mention in code; kindly assist us.
Dll Created In: - MFC VC 6.0
Application Exe Developed In: - VC 6.0, C# and VB.net (Applications which are using dll)
OS: - Windows XP sp2 32bit / Windows Server 2008 64 bit
Problem: - Facing problem in creating socket
in a method from an already deployed application exe while same method is working from another exe from same environment from same location.
Description: - We have product component
which has an exe component and from exe we invoke a method, which is defining in dll, and that dll is developed in MFC VC6.0. In the dll we have a method which downloads images from another system after making socket connection. But every time we are getting
Error code 7, it is not giving desire result while same method is working from another exe from same environment from same location. And also me dll is deployed on many systems and giving proper output from same application.
Already Attempt: - Because error is coming
on client side so what we did, we created a driver in C# which invokes same method from same environment (on client machine) using same dll and we are astonished because it worked fine there.
Kindly Suggest:
- We are not able to figure out root cause because nothing is coming in windows event logs but what I did, for finding the problem line, I wrote logs on each line and found the exact line in application exe which is not
working, actually it is not executing Create () method, I will give snippet of the code for understanding
the problem because we are not finding any kind solution for it. Kindly assist us in understanding and fixing this problem.
Code Snippet: -
Int Initialize (LPTSTR SiteAddress, short PortId)
try
CClientTSSocket *m_pJtsSockto;
m_pJtsSockto = new CClientTSSocket;
LONG lErr = m_pJtsSockto->ConnectTS(csIPAddress,PortId);
ErrorLog (0, 0, "--------ConnectTS has been called ------------","" );
catch(...)
DWORD errorCode = GetLastError();
CString errorMessage ;
errorMessage.Format("%lu",errorCode);
ErrorLog (0, 0, "Image System", (LPTSTR)(LPCTSTR)errorMessage);
return IS_ERR_WINDOWS;
Note: - CClientTSSocket extends CAsyncSocket
IS_ERR_WINDOWS is a macro error code which value I found 7.
LONG ConnectTS(CString strIP, UINT n_Port)
ErrorLog(0,0,"ConnectTS is calling Create [is going to call]","");
if(!Create())
ErrorLog(0,0,"ConnectTS is calling [Create not called successfully] ","");
n_Err = GetLastError();
ErrorLog(n_Err,0,"ConnectTS is calling1111111111111111Erorrrrrrrrrrrrr","");
return NET_INIT;
ErrorLog(0,0,"ConnectTS is calling2222222222222222222","");
if(!AsyncSelect(0))
n_Err = GetLastError();
return NET_INIT;
if(!Connect(strIP,n_Port))
n_Err = GetLastError();
ErrorLog(n_Err,0,"ConnectTS","");
return SERVER_NOT_CONNECTED;
Code description: - From int GETImage_MT() method
we call Initialize() method and pass client machine IP and Port and there we call ConnectTS() method, In
this method we Create() method and finally it returns the error code as mention in macro 7.
Logs after running the program: -
--------ConnectTS has been called ------------
ConnectTS is calling Create [is going to call]
Image System 0
Note: - According to logs, problem is coming in Create method(). Here
0 is errorMessage received in catch block. And from catch block it returns macro value 7. And when we run same method individually from same machine, same environment through same dll from different exe, it is working fine and we are facing any kind of problem.
While same problem application was working properly earlier but now continuously it showing problem.
Kindly assist us to resolve the issue. -
Reading any value from table into a string (Especially date etc..)
How would I read any value from a table into a string?
Currently doing the following...
data ret_val type string.
select single (wa_map-qes_field) from z_qekko into ret_val
where
angnr = _angnr.
When the source field is a date it bombs though.
The result goes into a BDCDATA-fval.
regards
Dylan.Tried...
1 DATA: lp_data TYPE REF TO DATA.
2 FIELD-SYMBOLS: <value> TYPE ANY.
3 CREATE DATA lp_data LIKE (wa_map-qes_field).
4 ASSIGN lp_data->* TO <value>.
5 SELECT SINGLE (wa_map-qes_field) FROM zquadrem_qekko INTO <value> WHERE angnr = _angnr.
Complains that (wa_map-qes_field) is not defined in line 3.
Think that the bracket thing is only available via SQL.
What about CREATE DATA lp_data type ref to object. ?
Would the above declaration work?
regards -
Reading each value from spreadsheet file with delay (multiple rows and columns)
Hi,
a) I want to read EACH VALUE from a spreadsheet file having multiple rows and columns WITH DELAY. I am attaching my VI and sample datalog file for reference (tempsensor.txt).I need to do so because as soon as I read put ON the Sensor button on front panel, LV reads all the values at one go. I need the values for each temperature to be displayed after a delay.
b) Secondly, I would like to read another file containing the state of four antennas (deployed:1; undeployed:0). I am logging state of each antenna in each column of the file(magnet.txt) I need to have four LEDS on front panel to display state of the antennas. I dont know what I have done for antennas in my VI is right or wrong. I guess thats rhe wrong way to approach the problem. Please help!!!(column1: Antenna1 state ; Column2:Antenna2 state.. and so..on..)
Any help would be greatly appreciated!!
Thanks in advance,
Ratnesh
FYI: The first column in my datalog file represents timestamp(number of seconds elapsed), second column: reading for temperature sensor 1, third column: reading for temperature senosr 2, and so on. I am using approx. 11 temperature sensors.
Also, I have generated the log files for the reference purpose only. They do not represent the actual values. They are far away from actual values.
Attachments:
01032005.zip 30 KBLook at this modified version of your VI. After looking at it, I determined that a shift reggister was not required in this case.
Lynn
Attachments:
MultiSensors.2.vi 85 KB -
RE: (forte-users) Reading return value from Javaprogram
when using the RunCommand method you can specify the an error file:
task.part.os.RunCommand(command = l_tdCommandLine,
isSynchronous = TRUE,
inputFile = Nil,
outputFile = Nil,
errorFile = l_ErrorFile.GetLocalName(TRUE));
BEGIN
l_ErrorFile.Open(SP_AM_READ);
EXCEPTION
WHEN Ex: FileResourceException DO
l_ErrorFile = NIL;
task.ErrorMgr.Clear();
END;
IF l_ErrorFile <> NIL THEN
l_tdFileContents : TextData = New();
l_ErrorFile.ReadText(l_tdFileContents);
l_ErrorFile.Close();
END IF;
Have you java program output the return value to the standard IO. This way
you will have an error file that you can read from Forte.
ka
-----Original Message-----
From: Anthony D [mailto:saigonxyahoo.com]
Sent: Tuesday, September 12, 2000 7:49 AM
To: forte-userslists.xpedior.com
Subject: (forte-users) Reading return value from Java program
Hi,
Does anyone know whether Forte application can
read a return value from a Java program?
I'm using the RunCmd method to invoke the Java
program. I'd like to read the return value from the
Java program. How do I go about doing it?
Any suggestion will be appriciated.
Thanks
AD
http://mail.yahoo.com/
For the archives, go to: http://lists.xpedior.com/forte-users and use
the login: forte and the password: archive. To unsubscribe, send in a new
email the word: 'Unsubscribe' to: forte-users-requestlists.xpedior.comwhen using the RunCommand method you can specify the an error file:
task.part.os.RunCommand(command = l_tdCommandLine,
isSynchronous = TRUE,
inputFile = Nil,
outputFile = Nil,
errorFile = l_ErrorFile.GetLocalName(TRUE));
BEGIN
l_ErrorFile.Open(SP_AM_READ);
EXCEPTION
WHEN Ex: FileResourceException DO
l_ErrorFile = NIL;
task.ErrorMgr.Clear();
END;
IF l_ErrorFile <> NIL THEN
l_tdFileContents : TextData = New();
l_ErrorFile.ReadText(l_tdFileContents);
l_ErrorFile.Close();
END IF;
Have you java program output the return value to the standard IO. This way
you will have an error file that you can read from Forte.
ka
-----Original Message-----
From: Anthony D [mailto:saigonxyahoo.com]
Sent: Tuesday, September 12, 2000 7:49 AM
To: forte-userslists.xpedior.com
Subject: (forte-users) Reading return value from Java program
Hi,
Does anyone know whether Forte application can
read a return value from a Java program?
I'm using the RunCmd method to invoke the Java
program. I'd like to read the return value from the
Java program. How do I go about doing it?
Any suggestion will be appriciated.
Thanks
AD
http://mail.yahoo.com/
For the archives, go to: http://lists.xpedior.com/forte-users and use
the login: forte and the password: archive. To unsubscribe, send in a new
email the word: 'Unsubscribe' to: forte-users-requestlists.xpedior.com -
Problem reading RFC values from IRecordSet !!!!
Hi All,
I am having some problem reading values from IRecordSet. Can not seem to parse the output structure from RFC. AM using connector gateway service to execute BAPI_EXCHRATE_GETCURRENTRATES.
Here is the code,
MappedRecord input = rf.createMappedRecord("input");
input.put("DATE",new String("01011990"));
input.put("DATE_TYPE", new String("V"));
input.put("RATE_TYPE", new String("M"));
MappedRecord output = (MappedRecord) ix.execute(ixspec, input);
Object rs = null;
IRecordSet recSet = null;
Object result = output.get("EXCH_RATE_LIST");
if (result == null) {
response.write("<BR>null");
rs = new String(" ");
} else if (result instanceof IRecordSet) {
IRecordSet irs = (IRecordSet) result;
response.write("<BR>Got some dataaa");
IRecordMetaData rsmd = null;
rsmd = irs.retrieveMetaData();
irs.beforeFirst();
while(irs.next()){
response.write("Row::"+irs.getString("RATE_TYPE")+" "+irs.getString("FROM_CURR")+" "+irs.getString("EXCH_RATE"));
Am getting the pritn statement, Got Some Data on the PDK component.
But somehow not able to read the values from IRecordSet
What is the mistake here?
Pls help
Edited by: Aakash Jain on Oct 11, 2008 12:22 AMHi
Try in this way.
IRecordSet resultTable = (IRecordSet)outputParams.get("TABLE_NAME");
for(resultTable.beforeFirst(); resultTable.next(); ) {
response.write(resultTable.getString(0));
response.write(resultTable.getString(1));
Thanks -
Subprocess 33 was not successful. Master cannot read return value from S 33
Hi All,
We are on BI 7.0 SP 19.
We have submitted a planning sequence in the background with automatic packaging.
The planning sequence has two steps:
Step 1. Z_PLNG_FUNCTION1
Step 2. Z_PLNG_FUNCTION2
As per automatic packaging, the system chose 0ACCOUNT for packaging.
When submitted, each step has been submitted to 30 packages as 30 subprocesses.
For Step 1, the log shows that All subprocesses executed.
For Step 2, the log shows that the subprocess 33 and 58 failed, which means subprocess #3, and # 28 for the step 2 as the subprocess is numbered in the log in combination with step 1.
The messages in the log for the failed subprocesses are as follows:
@5C\QError@ Subprocess 33 was not successful
@5C\QError@ Master cannot read return value from subprocess 33
@5C\QError@ Subprocess 58 was not successful
@5C\QError@ Master cannot read return value from subprocess 58
Our question is on how to find the exact cause of the subprocess failure.
I tried to look for the details on the error messages, they have been not helpful.
What is meant by 'Master cannot read return value from subprocess' and how to get the exact cause of the failure?
Thanks in advance,
Best Regards,
- ShashiShashi,
implement the following notes and check again:1368659, 1525723, 1532061.
Regards,
Marc
SAP Techology RIG -
Hi all :
I try to read Boolean value from xml file , please see attach file , all the time this error rise
I know that The XML tag describing the type of data does not match, how can I get Boolean value " 1" or "0 "
Thanks
wisam
Attachments:
untitled1.JPG 115 KBYou are not trying to read boolean.. you are trying to read a DBL.
To read a DBL you must first write a DBL to XML.
To read a boolean replace the DBL with a boolean -
Child package cannot read param value from parent ssis package
Hi all,
I think I must be crazy !! i have a big problem in my ssis project .
i have more than 40 package one parent and 39 childs
i use configuration method to get variable values from parent to child packages and it work well .. but when i copy my ssis project
to the production server i face the following problem .. childs package didn't read the variables values from the parent package
i revised the configuration many times i can't find any missing !!
any help please ...
Thanks,Do not copy the packages from the projet to the production server, but you must generate the manifest installation including your configuration, and deploy them.
Note : not forget to include the configuration.
To learn more about how to install the package :
Lesson 1:
http://msdn.microsoft.com/en-us/library/ms365332(v=sql.105).aspx
Lesson 2 :
http://msdn.microsoft.com/en-us/library/ms365329(v=sql.105).aspx
Lesson 3 :
http://msdn.microsoft.com/en-us/library/ms365321(v=sql.105).aspx -
How will read the value from Adobe Reader/Viewer in c# windows App
I m using VS2005 . working in windows appliction. i am using adobe Reader 9, Then the new pdf document open inside the Acrobat adobe reader , Exsiting PDF file is created by Adobe Forms(Adobe LiveCycle designer and Adobe pro 9).
Using the Class is:
1.AcroExch.App
2.AcroExch.AVDoc
3.AcroExch.pdDoc
4.Acrobat.CAcroApp
namespace is:
using AxAcroPDFLib;
using AFORMAUTLib;
using Acrobat;
Using DLL is:
1. Interop.Acrobat
2. Interop.AcroPDFLib
3. Interop.AFORMAUTLib
4. AxInterop.AcroPDFLib
My problem is,
I am Working in
PDFis open inside the adobe reader/Viewer, but i can not able to get the value from PDF Forms.
( This Pdf forms is Some more Control Design is Available)
Ex:
I have Attached my Pdf disgn file. Please see this Pdf file.
I am not able to get the value from inside window(adobe Reader/Viewer), but i can able to get the value from the out side of adobe viewer/Reader.
This coding not working properly,
try
CAcroAVDoc AcroExchAVDoc = default(CAcroAVDoc);
CAcroApp AcroExchApp = default(CAcroApp);
CAcroPDDoc oDoc = default(CAcroPDDoc);
AFORMAUTLib.AFormApp AFormAut = default(AFORMAUTLib.AFormApp);
AFORMAUTLib.Field Field = default(AFORMAUTLib.Field);
AFORMAUTLib.Fields Fields = default(AFORMAUTLib.Fields);
bool OK = false;
AcroExchApp = new AcroApp();
oDoc = new AcroPDDoc();
AcroExchAVDoc = new AcroAVDoc();
AFormAut = new AFormAppClass();
//AcroExchApp = (Acrobat.AcroApp)Activator.CreateInstance(Type.GetTypeFromProgID("AcroExch.App" ));
//oDoc = (Acrobat.AcroPDDoc)Activator.CreateInstance(Type.GetTypeFromProgID("AcroExch.PD Doc"));
//AcroExchAVDoc = (Acrobat.AcroAVDoc)Activator.CreateInstance(Type.GetTypeFromProgID("AcroExch.AV Doc"));
//AFormAut = (AFORMAUTLib.AFormApp)Activator.CreateInstance(Type.GetTypeFromProgID("AFormAut .App"));
bool bOK = AcroExchAVDoc.Open(pdfWindowLeft.src, "Temp"); ' some time not true
' if ok (true) then
if (bOK)
Fields = (AFORMAUTLib.Fields)AFormAut.Fields;
foreach (Field myField in Fields)
if (myField.Name == "form1[0].#subform[0].Id[0]") ' field value not get from the inside window
string Id = myField.Value; ' not getting a answare
if (myField.Name == "form1[0].#subform[0].PatientName[0]")
string PatientName = myField.Value;
if (myField.Name == "form1[0].#subform[0].Email[0]")
string Email = myField.Value;
if (myField.Name == "form1[0].#subform[0].PhoneNo[0]")
string PhoneNo = myField.Value;
if (myField.Name == "form1[0].#subform[0].Address[0]")
string Address = myField.Value;
catch (Exception Ex)
lbl_Result.Text = Ex.Message;
finally
Conn.Close();
This coding is working properly,
try
String FORM_NAME = addressLeft.Text;
//String FORM_NAME = Application.StartupPath + "\\..\\..\\..\\..\\..\\TestFiles\\SampleForm.pdf";
// Initialize Acrobat by cretaing App object.
CAcroApp acroApp = new AcroAppClass();
// Show Acrobat Viewer
acroApp.Show();
// Create an AVDoc object
CAcroAVDoc avDoc = new AcroAVDocClass();
// Open the pdf
if (!avDoc.Open(FORM_NAME, ""))
lbl_Result.Text = "Cannot open" + FORM_NAME + ".\n";
return;
// Create a IAFormApp object, so that we can access the form fields in
// the open document
IAFormApp formApp = new AFormAppClass();
// Get the IFields object associated with the form
IFields myFields = (IFields)formApp.Fields;
// Get the IEnumerator object for myFields
IEnumerator myEnumerator = myFields.GetEnumerator();
bool bFound = false;
// Fill the "Name" field with value "John Doe"
while (myEnumerator.MoveNext())
// Get the IField object
IField myField = (IField)myEnumerator.Current;
// If the field is "Name", set it's value to "John Doe"
// form1[0].#subform[0].Name[0]
if (myField.Name == "form1[0].PatientInformation[0].Id[0]")
//form1[0].#subform[0].Id[0]
bFound = true;
lbl_id.Text = myField.Value;
//form1[0].#subform[0].Name[0]
if (myField.Name == "form1[0].PatientInformation[0].PatientName[0]")
bFound = true;
lbl_name.Text = myField.Value;
if (myField.Name == "form1[0].PatientInformation[0].Email[0]")
bFound = true;
lbl_email.Text = myField.Value;
if (myField.Name == "form1[0].PatientInformation[0].PhoneNo[0]")
bFound = true;
lbl_phoneno.Text = myField.Value;
if (myField.Name == "form1[0].PatientInformation[0].Address[0]")
bFound = true;
lbl_address.Text = myField.Value;
can u anyone help me. It's very urgent for my project.
Thanks for ur replay,
Regards
Ganesaselvam.IFirst off - the code you wrote won't work with Reader, it will only work with Adobe Acrobat.
Second, LiveCycle Designer-based forms are a special type of PDF and don't use AcroForms, they use an XML-based forms grammar. Therefore, the AcroForms API calls aren't designed to work with them. You should be using the JSObject bridge code along with JavaScript to access the values of the fields. -
How to read enumerated values from an OPC server via Datasocket
Hi Labviewers,
I am using LV8.2 and I am trying to find if it is possible to read enumerations from an OPC server via Datasocket, not just the values.
I can successfully read a value for an OPC server via Datasocket and I get a value for example 3, is it possible to get the enumeration/string that corresponds to this value i.e. "Open".
Many thanks in advance
DimitrisHi Sarah,
With the input type as variant I get the following response:
1 <-This is the current numeric value of the parameter
4 Attribute(s):
'Quality' -> 192
'TimeHigh' -> 29861723
'TimeLow' -> -665408304
'Timestamp' -> 39.238E+3
With the Input set to Enum constant I get no values or strings coming back. With the Input set to Ring constant I just get the numeric value
Dimitris -
Reading filter values from dtp in routine of transformation
Hello,
I try to read a date from the filter of a dtp and propagate this value during the transformation in a routine. this is my code
DATA:
*Date parameter from DTP
i_calday type /BI0/OICALDAY,
i_date(16) type n.
data: t_filter_values type RSBK_TH_RANGE,
l_filter_values like line of t_filter_values.
t_filter_values = p_r_request->GET_TH_RANGE( ).
* get DTP
LOOP AT t_filter_values into l_filter_values.
move l_filter_values-high to i_date.
EXIT.
ENDLOOP.
I_calday = i_date+8(8).
RESULT = I_CALDAY.
but when dubbing my code t_filter_values is always empty and I do not see the selections from the dtp. please do you have an idea what is wrong?
thanksHello
I found the error thanks to Ghuru Balaji S,
now the code is working:
DATA:
t_filter_values type RSBK_TH_RANGE,
i_filter_values like line of t_filter_values ,
i_calday type /BI0/OICALDAY,
i_date(16) type n.
t_filter_values = P_R_REQUEST->get_TH_RANGE( ).
READ TABLE t_filter_values with KEY
FIELDNM = 'DATEFROM' into i_filter_values.
move i_filter_values-high to i_date.
I_calday = i_date+8(8).
RESULT = I_CALDAY.
problem was that I had other selection in the dtp
Edited by: Margit Schütz on Dec 27, 2010 4:08 PM -
Problem when Reading Multiple values from Arduino to Vb
Hi Mates,
I am getting 4 values from Arduino using Serial.Println statement 4 times. How do I need to receive these values to 4 different variables in VB without using any buttons. We have to serial data received as per my knowledge.
I've written the following code in VB.
Imports System
Imports System.ComponentModel
Imports System.Threading
Imports System.IO.Ports
Public Class Form1
Dim myPort As Array 'COM Ports detected on the system will be stored here
Delegate Sub SetTextCallback(ByVal [text] As String) 'Added to prevent threading errors during receiveing of data
Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load
SerialPort1.PortName = "COM5" 'Set SerialPort1 to the selected COM port at startup
SerialPort1.BaudRate = 9600 'Set Baud rate to the selected value on
SerialPort1.Open()
'Timer1.Start()
End Sub
Private Sub SerialPort1_DataReceived(ByVal sender As Object, ByVal e As System.IO.Ports.SerialDataReceivedEventArgs) Handles SerialPort1.DataReceived
ReceivedText(SerialPort1.ReadLine()) 'Automatically called every time a data is received at the serialPort
End Sub
Private Sub ReceivedText(ByVal [text] As String)
'compares the ID of the creating Thread to the ID of the calling Thread
If Me.rtbReceived.InvokeRequired Then
Dim x As New SetTextCallback(AddressOf ReceivedText)
Me.Invoke(x, New Object() {(text)})
Else
Me.rtbReceived.Text &= [text]
End If
End Sub
End Class
How do I need to differentiate the values in ReceivedText function and How can I display those values in 4 text boxes. I am able to display all the values in rtbReceived text box as 100200300400100200300400... So on
Assume values from Arduino are 100, 200, 300 & 400
Your suggestions would be more helpful to complete my project, Thanks in Advance
Thanks,
SanthoshHow do I need to differentiate the values in ReceivedText function and How can I display those values in 4 text boxes. I am able to display all the values in rtbReceived text box as 100200300400100200300400... So on
Assume values from Arduino are 100, 200, 300 & 400
Based on the example you have provided you would simply use the String.Substring function to break the string apart ot every 4 characters.
https://msdn.microsoft.com/en-us/library/aka44szs%28v=vs.110%29.aspx
You could do that in a loop that changes the starting character position from 0 in an increment of 4.
However I suspect that won't work properly, either because there are characters that you are not revealing as a result of the way that you are display your results, or because your data gets out of sync.
If your device sends synchronizing characters (such as an end-of-record byte, or perhaps just a CrLf) then the correct process is to append (not overwite) the text you receive. Use a string, not a text box text property, for this buffer. Then you need
to break apart this buffer by scanning forward until you find a complete message - a record identifier and enough (12?) following characters to create a full sentence. Then break it apart using substrings.
If your device data stream does not include something that marks the beginning or end of a complete transmission then you can still try breaking it apart every four characters, and see how reliable it is. -
Reading grayscale values from saved image
Hi,
I've written several methods that crop, convert to grayscale, histogram equalise and then resize a colour jpeg image for preparing sets of images for a face detection neural network. The next thing I want to do is to write a method that allows me to read that saved grayscale images pixel values back as singular grayscale values from the RGB values that were used to save the jpeg. I used this code to create the 2D array of grayscale pixel values
for (int i = 0; i < imageWidth; i++)
for (int j=0; j <imageHeight; j++)
grayRGB[i][j] = (rgb[i][j] & 0xff000000) | (eqGray[i][j]<<16) | (eqGray[i][j]<<8) | (eqGray[i][j]);
img.setRGB(i, j, grayRGB[i][j]);
}and then used this code to resize the image:
BufferedImage resized = new BufferedImage(20,20,1);
Graphics2D g = resized.createGraphics();
g.drawImage(img, 0, 0, 20, 20, null);
g.dispose();my class gets the RGB values on instantiation as follows:
//get RGB pixel values for image loaded
for (int i = 0; i < imageWidth; i++)
for (int j=0; j <imageHeight; j++)
rgb[i][j]= inputImage.getRGB(i,j);
//perform bitwise shift rgb information values to obtain appropriate values for each colour pixel
r[i][j]= (rgb[i][j] >> 16) &0xff;
g[i][j]= (rgb[i][j] >> 8) &0xff;
b[i][j]= (rgb[i][j]) &0xff;
}Is there a way to get the grayscale values directly from an image that is already converted to grayscale without having to perform the grayscale conversion method again, perhaps using a similar bitwise shift?
Thanks
Nickanswering this myself for those lost souls like i was a while ago:
the answer is very simple when you get to know it :) : use a signed type for your image. this can be achieved by using the Format Operator (javax.media.jai.operator.FormatDescriptor). an example as follows :
BufferedImage bufferedImage= someimage...
ParameterBlock pb = new ParameterBlock();
pb.addSource(bufferedImage);
pb.add(DataBuffer.TYPE_SHORT);
RenderedImage formattedImage =
JAI.create("format", pb, null);
// you may use as well TYPE_DOUBLE or TYPE_FLOATimage could be of any type such as PlanarImage, BufferedImage, RenderedImage etc..
then all you need to do is read your pixel values by using an iterator such as RectIter or RandomIter to access pixel values etc..
San -
Getting value from portal or bsp application to selection screen parameter
Daer SDNer's.
Is there any possibility of getting value from bsp application and that value to be passed to selection paramater of bw query varaiable.
concept as follows.
report is based on vendor related information. particular vendor having user id in bsp or portal for accessing reports. if he selects bw query in portal or bsp dash board. that same vendor name or id shoukd be pass to default vendor selection entry in bi... so only that particular vendor details should display.....
HarikrishnaDear Arun,
thanks for the reply. can i dynamically get the values to selection parmaters from bsp or else i need to mantain those user ids(vendor name) in bw. could you explain on it. if possible provide some sample code on it.
Thanks
Harikrishna N
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