How to call a python program in labview 7?

Hi
I want to call a Vtk python program in labview .Is it possible to open the program in the same front pannel of the labview program.
Thanking you
Shri

HI
Thanks for the thread, but I am using the Python script that mainly has VTK and output for my program is a 3D model presented in vtk window. The thread provides examples that mainly pass strings.
Now I would like to know if it is possible to open this vtk window in labview or even as a separate floating window (since the window gets closed after the python program is finished)
Thanking you
Shri

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How can we call a C program in Labview

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Thanking You

hi there
well, then we need more information what you mean with a "C program". are you talking about C source code, a command line executable, a high end executable with a GUI, a dll, ActiveX.... what are the parameters you have to pass? what parameters are returned from the "C program"? please post some code....
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Message was edited by: Jayanthi Jayaraman

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Here I have two questions:
1)
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GOT IT !!!
I had to change the name of the method in .h file generated by javah command. On doing
javac -d ../../classes HelloWorld.java
go to the ../../classes directory (where you have the class file) and do
javah HelloWorld
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JNIEXPORT void JNICALL Java_HelloWorld_display(JNIEnv *, jobject);
I added the package name too:
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gives .o file
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How to call a C program in java PACKAGE

am trying to call a method implemented in C from java.
I followed the instructions of sun.java.com tutorial for the simple example of HelloWorld. It works fine.
BUT, when I try to do the same in a package, I run into a lot of trouble. I did the following :
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package GUI;
import java.io.*;
class HelloWorld {
public native void displayHelloWorld();
static {
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public void callinghello() {
callip();
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2. javah -jni HelloWorld -- to create HelloWorld.h
3. wrote HelloWorldImp.c
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I get this error
Exception in thread "main" java.lang.NoClassDefFoundError: OrionGUI/HelloWorld
Can anyone help me. If you have any links to how to call native methods in package, please let me know. Thanks.

GOT IT !!!
I had to change the name of the method in .h file generated by javah command. On doing
javac -d ../../classes HelloWorld.java
go to the ../../classes directory (where you have the class file) and do
javah HelloWorld
I got a HelloWorld.h file in which I had
JNIEXPORT void JNICALL Java_HelloWorld_display(JNIEnv *, jobject);
I added the package name too:
JNIEXPORT void JNICALL Java_GUI_HelloWorld_display(JNIEnv *, jobject);
The HelloWorldImp.c file should have the same name (ie with package) and be in the same directory(ie ../../classes)
compile and build the shared library to get "libhello.so" file
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gives .o file
gcc -shared -o libhello.so HelloWorldImp.o
gives .so file
then run java with the command in my first message. It works.
Thanks for the reply "thedracle".

How to call a python program in labview 7?

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