Processing Forum

Processing libraries

[1 Reply]
- 11-Mar-2013 12:24 AM
- Forum: Integration and Hardware
Could someone tell me a little more about the libraries we have to use in order to have the processing sketch running outside of the sketchbook? Or where can I read what each of them does?

core.jar, opengl.jar, jogl.jar, gluegen-rt.jar

Thanks in advance!

Help with NPE (Processing & Netbeans)

[12 Replies]
- 05-Mar-2013 06:52 AM
- Forum: Programming Questions
Can someone help me with this NPE?

I am trying to move my sketch (which runs perfectly in processing IDE) in netbeans and when I run it I get this NPE.

In my sketch I create in the main class an object from the second one and call the .display function.

Exception in thread "Animation Thread" javax.media.opengl.GLException: java.lang.NullPointerException

at jogamp.opengl.awt.AWTThreadingPlugin.invokeOnOpenGLThread(AWTThreadingPlugin.java:98)

at jogamp.opengl.ThreadingImpl.invokeOnOpenGLThread(ThreadingImpl.java:196)

at javax.media.opengl.Threading.invokeOnOpenGLThread(Threading.java:164)

at javax.media.opengl.awt.GLCanvas.maybeDoSingleThreadedWorkaround(GLCanvas.java:831)

at javax.media.opengl.awt.GLCanvas.display(GLCanvas.java:419)

at processing.opengl.PGL.requestDraw(Unknown Source)

at processing.opengl.PGraphicsOpenGL.requestDraw(Unknown Source)

at processing.core.PApplet.run(Unknown Source)

at java.lang.Thread.run(Thread.java:662)

Caused by: java.lang.NullPointerException

at processing.core.PApplet.lights(Unknown Source)

at org.me.ClearDay.display(ClearDay.java:18)

at org.me.WeatherApplet.draw(WeatherApplet.java:76)

at processing.core.PApplet.handleDraw(Unknown Source)

at processing.opengl.PGL$PGLListener.display(Unknown Source)

at jogamp.opengl.GLDrawableHelper.displayImpl(GLDrawableHelper.java:189)

at jogamp.opengl.GLDrawableHelper.display(GLDrawableHelper.java:177)

at javax.media.opengl.awt.GLCanvas$DisplayAction.run(GLCanvas.java:934)

at jogamp.opengl.GLDrawableHelper.invokeGLImpl(GLDrawableHelper.java:425)

at jogamp.opengl.GLDrawableHelper.invokeGL(GLDrawableHelper.java:364)

at javax.media.opengl.awt.GLCanvas$DisplayOnEventDispatchThreadAction.run(GLCanvas.java:951)

at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:199)

at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:646)

at java.awt.EventQueue.access$000(EventQueue.java:84)

at java.awt.EventQueue$1.run(EventQueue.java:607)

at java.awt.EventQueue$1.run(EventQueue.java:605)

at java.security.AccessController.doPrivileged(Native Method)

at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)

at java.awt.EventQueue.dispatchEvent(EventQueue.java:616)

at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)

at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)

at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)

at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)

at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)

at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)

Thanks in advance!

jar that gains dynamically parameters

[4 Replies]
- 05-Mar-2013 03:53 AM
- Forum: Integration and Hardware
Greetings,

I have created a sketch which I want to export as a jar applet and pass it dynamically parameters.

I believe there is way where I will have a String attribute in the sketch waiting for an parameter.

And after that I probably will pass the parameters from a <script> from a web app.

Any suggestions?

Thanks in advance!

Exception in thread "Animation Thread"

[0 Replies]
- 06-Feb-2013 08:58 AM
- Forum: Integration and Hardware
Greetings,

I have created a jsp/servlet application and I also have 2 Processing applets which work fine on their own.

the first is 2D so it only needs the core.jar

the second is 3D so it needs more libraries (code.jar,jogl.jar,glugen.jar,opengl.jar)

Through the servlet I post them on my main page in the same way.

out.println("< applet code =\"org.me.Cloudy.class\" archive= \"Cloudy.jar,core.jar,opengl.jar,gluegen-rt.jar,gluegen-rt-natives-windows-amd64.jar,jogl.all.jar,jogl-all-natives-windows-amd64.jar\" WIDTH=\"400\" HEIGHT=\"200\"></ applet >");

out.println("<applet code=\"org.me.sun.Sun_2D.class\" archive= \"Sun_2D_Applet.jar,core.jar\" WIDTH=\"500\" HEIGHT=\"500\"></applet>");

Although the 2D works fine and shows up on the main page I get this error from the 3D

Exception in thread "Animation Thread" java.lang.NullPointerException

at javax.media.opengl.GLProfile.getProfileMap(GLProfile.java:1885)

at javax.media.opengl.GLProfile.get(GLProfile.java:766)

at javax.media.opengl.GLProfile.getDefault(GLProfile.java:553)

at javax.media.opengl.GLProfile.getDefault(GLProfile.java:564)

at processing.opengl.PGL.initPrimarySurface(Unknown Source)

at processing.opengl.PGraphicsOpenGL.initPrimary(Unknown Source)

at processing.opengl.PGraphicsOpenGL.requestDraw(Unknown Source)

at processing.core.PApplet.run(Unknown Source)

at java.lang.Thread.run(Unknown Source)

Can anyone help me?

Thanks in advance!

Call PApplet from jsp

[3 Replies]
- 20-Jan-2013 05:05 AM
- Forum: Integration and Hardware
Greetings

I have created a sketch that runs and gives me the .jar file to use.

After that I call it from my jsp in order to view it in the browser with the

<applet code="org.me.sun.Sun_2D" archive="Sun_2D_Applet.jar" width="600" height="480"/></applet>

however I get a NoClassDefFoundError processing/core/PApplet.

I am using netbeans and have already imported the core library in the project and the applet in the war content packaging as netbeans states in their tutorial. I can view the tutorials applet in the browser.

http://netbeans.org/kb/docs/web/applets.html#create

Can anyone help me?

Thanks in advance.

Array Object Logical Error

[2 Replies]
- 05-Dec-2012 12:37 PM
- Forum: Programming Questions
Greetings

I am studing the book Learning Processing by Daniel Shiffman

I am at the exercise 9-7 trying to do the advanced problem and my classes are

~~~~~~~~~~~~~~~~~~~~~~~~~~~

Snake s0;

Snake s1;

void setup() {

size(displayWidth/2,displayHeight/2);

smooth();

// Initialize

s0 = new Snake(50);

s1 = new Snake(25);

}

void draw() {

background(255);

// Update and display

s0.update(mouseX-30,mouseY);

s0.display();

// Update and display

s1.update(mouseX+30,mouseY);

s1.display();

}

~~~~~~~~~~~~~~~~~~~~~~~~

class Snake {

Point[] points;

// The constructor determines the length of the snake

Snake(int n) {

points = new Point[n];

for(int i = 0; i < points.length; i++){

points[i] = new Point(0,0);

}

}

void update(int newX, int newY) {

// Shift all elements down one spot.

// xpos[0] = xpos[1], xpos[1] = xpos = [2], and so on.

// Stop at the second to last element.

for (int i = 0; i < points.length-1; i++ ) {

points[i] = points[i+1];

points[i] = points[i+1];

}

// Update the last spot in the array with the mouse location.

points[points.length-1].x = newX;

points[points.length-1].y = newY;

}

void display() {

// Draw everything

for (int i = 0; i < points.length; i++ ) {

// Draw an ellipse for each element in the arrays.

// Color and size are tied to the loop's counter: i.

stroke(0);

fill(255-i*5);

ellipse(points[i].x,points[i].y,i,i);

}

}

}

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

class Point {

int x;

int y;

Point(int x_, int y_) {

x = x_;

y = y_;

}

}

Could someone tell me what is the problem?

The ouput should be
http://www.learningprocessing.com/exercises/chapter-9/exercise-9-7/

NoClassDefFoundError processing/core/PApplet

[6 Replies]
- 23-Nov-2012 10:28 AM
- Forum: Integration and Hardware
Greetings

I am trying to create a processing applet and view it in a jsp

All the coding is done in netbeans

The applet runs on its own and

gives me the right output on the processing pop up output

But when I call it like this from the jsp

<applet code="org.me.myProject" archive="My_Applet.jar" width="600" height="480"/></applet>

I get

NoClassDefFoundError processing/core/PApplet

Anyone that can help me?

Thanks in advance

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