[vtkusers] java memory

Jonathan Morra jonmorra at gmail.com
Mon Apr 4 10:45:26 EDT 2011


While I understand that you do not encourage .Delete(), how do you propose
deleting vtk objects created on different threads?  This seems to cause a
crash.

On Mon, Apr 4, 2011 at 6:11 AM, Sebastien Jourdain <
sebastien.jourdain at kitware.com> wrote:

> Hi guys,
>
> I did not encourage the use of Delete but instead a synchronized
> version of the VTK garbage collector across the user threads.
>
> Seb
>
> On Sun, Apr 3, 2011 at 8:49 PM, Mark Roden <mmroden at gmail.com> wrote:
> > Hi Sebastien,
> >
> > I think Jon's point is that even when he's following your
> > instructions, the memory is only being freed when he explicitly calls
> > delete.
> >
> > So he broke up his three function call into separate lines:
> >
> >    vtkPointData pointData = image.GetPointData();
> >    vtkDataArray scalars = pointData.GetScalars();
> >    scalars.FillComponent(0, 0);
> >
> > And even so, the function leaks.
> >
> >> However, if I add the following 2 lines I don't leak memory
> >   scalars.Delete();
> >   pointData.Delete();
> >
> > So to avoid the leak, he must explicitly call delete.   As a sometime
> > Java programmer, I learned that being forced to call .Delete to free
> > memory is very much against the entire paradigm of Java memory
> > management.  I think that's the crux of Jon's question: will he have
> > to explicitly call .Delete in order to handle memory?
> >
> > Best Regards,
> > Mark
> >
> > Hi Jonathan,
> >
> > I'll try my best to explain what happen here.
> >
> > When you do
> >
> > image.GetPointData(); // 1 object
> > or pointData.GetScalars(); // 1 object
> > or image.GetPointData().GetScalars(); // 2 objects
> >
> > You are getting a Java object that increase the reference count of the
> > C++ object.
> > As nothing decrease those reference count to 0, they get never deleted
> > from the C++ layer.
> > To make sure they get deleted, you either need to
> > call delete on them, or simply call the VTK garbage
> (vtkGlobalJavaHash.GC()).
> > The VTK garbage collector will check all Java objects from VTK and
> > will decrease their reference count if Java is not referencing them
> > anymore.
> >
> > Seb
> >
> >
> > On Sun, Apr 3, 2011 at 1:23 PM, Jonathan Morra <jonmorra at gmail.com>
> wrote:
> >> Another problem.  I wrote this small program and it leaks memory.  Can
> >> someone please explain why this program leaks memory.  I call new once,
> and
> >> then call delete on that object, yet I still leak memory, could someone
> >> please explain what's going on?  Is this a bug?
> >> import vtk.*;
> >> public class VTKMemoryLeak {
> >>     static {
> >>         System.loadLibrary("vtkCommonJava");
> >>         System.loadLibrary("vtkFilteringJava");
> >>         System.loadLibrary("vtkGenericFilteringJava");
> >>         System.loadLibrary("vtkGraphicsJava");
> >>         System.loadLibrary("vtkHybridJava");
> >>         System.loadLibrary("vtkImagingJava");
> >>         System.loadLibrary("vtkIOJava");
> >>         System.loadLibrary("vtkRenderingJava");
> >>         System.loadLibrary("vtkVolumeRenderingJava");
> >>         System.loadLibrary("vtkWidgetsJava");
> >>         System.loadLibrary("vtkgdcmJava");
> >>     }
> >>     public static void main(String[] args) {
> >>         for (int i=0; i<15; i++) {
> >>             vtkImageData image = new vtkImageData();
> >>             int[] extent = {0, 511, 0, 511, 0, 255};
> >>             double[] origin = {0, 0, 0};
> >>             double[] spacing = {1, 1, 3};
> >>             image.SetExtent(extent);
> >>             image.SetOrigin(origin);
> >>             image.SetSpacing(spacing);
> >>             image.SetScalarTypeToShort();
> >>             image.AllocateScalars();
> >>             image.GetPointData().GetScalars().FillComponent(0, 0);
> >>             image.Delete();
> >>         }
> >>     }
> >> }
> >> If I remove image.GetPointData().GetScalars().FillComponent(0, 0); and
> >> instead add the following, I still leak memory
> >>             vtkPointData pointData = image.GetPointData();
> >>             vtkDataArray scalars = pointData.GetScalars();
> >>             scalars.FillComponent(0, 0);
> >> However, if I add the following 2 lines I don't leak memory
> >>             scalars.Delete();
> >>             pointData.Delete();
> >>
> >> Why do I have to call Delete on objects I don't new?  This seems to have
> all
> >> the makings of a memory leak on the VTK Java wrapper.  Could someone
> please
> >> tell me what's going on?
> >> On Wed, Mar 30, 2011 at 5:47 AM, Sebastien Jourdain
> >> <sebastien.jourdain at kitware.com> wrote:
> >>>
> >>> Hi Jonathan,
> >>>
> >>> I will try to look closer into this weekend, for your other question
> >>> about Java+VTK project,
> >>> you should start a new thread with that in subject.
> >>> Although, I did wrote some but they are not all available online.
> >>>
> >>> Seb
> >>>
> >>> On Tue, Mar 29, 2011 at 7:38 PM, Jonathan Morra <jonmorra at gmail.com>
> >>> wrote:
> >>> > I will try and write something small to highlight the problems.
> >>> >  However,
> >>> > two places where I currently must execute vtk code outside the EDT is
> >>> > the
> >>> > following.
> >>> > 1.  My program reads data from disk in the form of a vtkPolyData, and
> I
> >>> > want
> >>> > to store the data as binary vtkImageData's.  This conversion from
> >>> > vtkPolyData to vtkImageData is time consuming, and will freeze the UI
> if
> >>> > I
> >>> > do it on the EDT.  Here is an example snippet.
> >>> >         ExecutorService loadingThreadPool =
> >>> >
> >>> >
> Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors());
> >>> >         for (int i = 0; i < numOrgans; i++) {
> >>> >             vtkPolyData data = thePolyReader.GetOutput(i);
> >>> >             vtkPolyData dataCopy = new vtkPolyData();
> >>> >             dataCopy.DeepCopy(data);
> >>> >             String organName = // get organ name
> >>> >             if (organName == null || organName.isEmpty()) {
> >>> >                 dataCopy.Delete();
> >>> >                 continue;
> >>> >             }
> >>> >             loadingThreadPool.submit(new LoadOneROI(dataCopy,
> >>> > organName));
> >>> >         }
> >>> >     private class LoadOneROI extends Thread {
> >>> >         private String organName;
> >>> >         private vtkPolyData data;;
> >>> >         public LoadOneROI(vtkPolyData data, String organName) {
> >>> >             this.data = data;
> >>> >             this.organName = organName;
> >>> >         }
> >>> >         public void run() {
> >>> >             vtkImageData theImage = createBinaryImage(data);
> >>> >             ENV.getInstance().getDataManager().setOrgan(organName,
> >>> > theImage);
> >>> >             data.Delete();
> >>> >         }
> >>> >     }
> >>> > public vtkImageData createBinaryImage(vtkPolyData data) {
> >>> >         vtkLinearExtrusionFilter extruder = new
> >>> > vtkLinearExtrusionFilter();
> >>> >         extruder.SetInput(data);
> >>> >         extruder.Update();
> >>> >         vtkPolyData extruderOutput = extruder.GetOutput();
> >>> >         extruder.Delete();
> >>> >         vtkImageData binaryOrgan = // Get blank binary image of
> correct
> >>> > size
> >>> >         vtkPolyDataToImageStencil pol2Stenc = new
> >>> > vtkPolyDataToImageStencil();
> >>> >         pol2Stenc.SetTolerance(0);
> >>> >         pol2Stenc.SetInput(extruderOutput);
> >>> >         pol2Stenc.SetInformationInput(binaryOrgan);
> >>> >         pol2Stenc.Update();
> >>> >         vtkImageStencilData pol2StencOutput = pol2Stenc.GetOutput();
> >>> >         extruderOutput.Delete();
> >>> >         pol2Stenc.Delete();
> >>> >         vtkImageStencil stencil = new vtkImageStencil();
> >>> >         stencil.SetInput(binaryOrgan);
> >>> >         stencil.ReverseStencilOn();
> >>> >         stencil.SetStencil(pol2StencOutput);
> >>> >         stencil.Update();
> >>> >         pol2StencOutput.Delete();
> >>> >         final vtkImageData stencilOutput = stencil.GetOutput();
> >>> >         stencil.Delete();
> >>> >         return stencilOutput;
> >>> >     }
> >>> > 2.  I need to be able to create a vtkPolyData from a binary
> >>> > vtkImageData,
> >>> > and this also can take too long (depending on the complexity and size
> of
> >>> > the
> >>> > vtkPolyData) and will cause the UI to hang if it's done on the EDT.
> >>> >     private class OrganViewer extends SwingWorker<vtkPolyData, Void>
> {
> >>> >         private String organ;
> >>> >         public OrganViewer(String organ) {
> >>> >             this.organ = organ;
> >>> >         }
> >>> >         public String getOrgan() {
> >>> >             return organ;
> >>> >         }
> >>> >         public vtkPolyData doInBackground() {
> >>> >             currentlyBuildingModes.add(organ);
> >>> >             vtkPolyData organMesh = getOrganMesh(organ);
> >>> >             return organMesh;
> >>> >         }
> >>> >         public void done() {
> >>> >             vtkPolyData organMesh = null;
> >>> >             try {
> >>> >                 organMesh = get();
> >>> >             }
> >>> >             catch (Exception e) {
> >>> >                 // If this gets here that means that the
> >>> >                 // swing worker was cancelled, so in that case
> >>> >                 // just return
> >>> >                 return;
> >>> >             }
> >>> >             vtkPolyDataMapper mapper = new vtkPolyDataMapper();
> >>> >             mapper.SetInput(organMesh);
> >>> >             vtkActor actor = new vtkActor();
> >>> >             actor.SetMapper(mapper);
> >>> >             actor.GetProperty().SetRepresentationToSurface();
> >>> >             renWin.GetRenderer().AddActor(actor);
> >>> >             currentActors.put(organ, actor);
> >>> >             currentlyBuildingModes.remove(organ);
> >>> >             Render();
> >>> >         }
> >>> >     }
> >>> > public synchronized vtkPolyData getOrganMesh(String organ) {
> >>> >         vtkMarchingCubes marching = new vtkMarchingCubes();
> >>> >         vtkImageData image = binaryOrgans.get(organ);
> >>> >         marching.SetInput(image);
> >>> >         marching.ComputeGradientsOff();
> >>> >         marching.ComputeNormalsOff();
> >>> >         marching.ComputeScalarsOff();
> >>> >         marching.SetValue(0, 0.5);
> >>> >         marching.Update();
> >>> >         vtkPolyData marchingOutput = marching.GetOutput();
> >>> >         if (marchingOutput.GetNumberOfPoints() == 0)
> >>> >             return marchingOutput;
> >>> >
> >>> >         // The decimation makes the render time much faster
> >>> >         vtkDecimatePro decimate = new vtkDecimatePro();
> >>> >         decimate.SetInput(marchingOutput);
> >>> >         decimate.SetTargetReduction(0.6);
> >>> >         decimate.Update();
> >>> >         vtkPolyData decimateOutput = decimate.GetOutput();
> >>> >         vtkSmoothPolyDataFilter smooth = new
> vtkSmoothPolyDataFilter();
> >>> >         smooth.SetInput(decimateOutput);
> >>> >         smooth.SetNumberOfIterations(200);
> >>> >         smooth.BoundarySmoothingOn();
> >>> >         smooth.FeatureEdgeSmoothingOn();
> >>> >         smooth.SetRelaxationFactor(0.1);
> >>> >         smooth.Update();
> >>> >         vtkPolyData smoothOutput = smooth.GetOutput();
> >>> >         return smoothOutput;
> >>> >     }
> >>> > There are more instances like this, but these are two main ones.  But
> >>> > again,
> >>> > is there any project that uses Java + VTK?  I would be really curious
> to
> >>> > see
> >>> > one.
> >>> > On Tue, Mar 29, 2011 at 4:26 PM, Sebastien Jourdain
> >>> > <sebastien.jourdain at kitware.com> wrote:
> >>> >>
> >>> >> Multi-threading is not an easy thing to deal with and this is not
> >>> >> related specifically to VTK and Java.
> >>> >> An easy fix, is to execute all VTK code (creation, update, delete)
> >>> >> inside the EDT. But this brings the question: Why do you create VTK
> >>> >> object outside the EDT. If you share that peace of code, I might be
> >>> >> able to fix it. Although you need to be sure that's the only place
> >>> >> where you do a "new vtkXXX() / b.SetXXX()"  outside the EDT.
> >>> >>
> >>> >> A better approach to everyone could be to create a very basic code
> >>> >> sample that highlight the problem with memory and GC that I could
> fix
> >>> >> and provide as a demonstration application for the community.
> >>> >>
> >>> >> Seb
> >>> >>
> >>> >>
> >>> >> On Tue, Mar 29, 2011 at 7:09 PM, Jonathan Morra <jonmorra at gmail.com
> >
> >>> >> wrote:
> >>> >> > Honestly, I'm having a lot of trouble with this.  Are there any
> >>> >> > sizable projects out there that use Java + VTK successfully that I
> >>> >> > might
> >>> >> > be
> >>> >> > able to have a look at?
> >>> >> >
> >>> >> > On Tue, Mar 29, 2011 at 2:26 PM, Sebastien Jourdain
> >>> >> > <sebastien.jourdain at kitware.com> wrote:
> >>> >> >>
> >>> >> >> If you have few place where you handle VTK object outside the
> EDT,
> >>> >> >> then you should use a lock (cf. java.util.concurrency) to make
> sure
> >>> >> >> that either the GC or a working thread is running but nether
> both.
> >>> >> >> As
> >>> >> >> the GC is going to run in the EDT, you don't care with the code
> that
> >>> >> >> is already handle inside the EDT, just the code that create
> >>> >> >> vtkObjects
> >>> >> >> inside another thread.
> >>> >> >>
> >>> >> >> Although, depending on your code design, a call to .Delete()
> might
> >>> >> >> be
> >>> >> >> fine if you know that you won't induce any concurrency between an
> >>> >> >> EDT
> >>> >> >> that will try to render images (call update on each filter of the
> >>> >> >> pipeline) and another thread that is removing an object that is
> >>> >> >> referenced inside that pipeline.
> >>> >> >>
> >>> >> >> Seb
> >>> >> >>
> >>> >> >> On Tue, Mar 29, 2011 at 4:16 PM, Jonathan Morra <
> jonmorra at gmail.com>
> >>> >> >> wrote:
> >>> >> >> > With all this in mind (that I'm using a multithreaded
> >>> >> >> > environment).
> >>> >> >> >  Do
> >>> >> >> > you
> >>> >> >> > think it makes more sense to use vtk's garbage collector or
> just
> >>> >> >> > call
> >>> >> >> > .Delete() on every vtk data object I create?
> >>> >> >> >
> >>> >> >> > On Tue, Mar 29, 2011 at 12:05 PM, Sebastien Jourdain
> >>> >> >> > <sebastien.jourdain at kitware.com> wrote:
> >>> >> >> >>
> >>> >> >> >> Hi Jonathan,
> >>> >> >> >>
> >>> >> >> >> > I definitely use one thread to create vtkObjects and then
> other
> >>> >> >> >> > threads
> >>> >> >> >> > access them in a
> >>> >> >> >> > thread safe manner.  I thought this was OK.
> >>> >> >> >>
> >>> >> >> >> This is OK, but if your objects are part of the pipeline which
> is
> >>> >> >> >> rendered, then all the VTK objects (of that pipeline) should
> be
> >>> >> >> >> accessed through the EDT.
> >>> >> >> >>
> >>> >> >> >> That's precisely why the delete and most of the calls should
> be
> >>> >> >> >> done
> >>> >> >> >> in
> >>> >> >> >> the EDT.
> >>> >> >> >> But if you have a processing loop (Not the EDT) that create a
> set
> >>> >> >> >> of
> >>> >> >> >> VTK object and you call the GC in the EDT, you have a
> concurrency
> >>> >> >> >> issue here... That's the only thing that I'm saying.
> >>> >> >> >>
> >>> >> >> >> Seb
> >>> >> >> >>
> >>> >> >> >> On Tue, Mar 29, 2011 at 2:55 PM, Jonathan Morra
> >>> >> >> >> <jonmorra at gmail.com>
> >>> >> >> >> wrote:
> >>> >> >> >> > Sorry, I forgot to mention that in all my current test cases
> >>> >> >> >> > I'm
> >>> >> >> >> > calling
> >>> >> >> >> > the
> >>> >> >> >> > method cleanSystem(false), so I'm never
> >>> >> >> >> > calling vtkGlobalJavaHash.DeleteAll();.  In fact you can see
> in
> >>> >> >> >> > the
> >>> >> >> >> > stack
> >>> >> >> >> > trace the following line
> >>> >> >> >> > vtk.vtkGlobalJavaHash.GC()I+73
> >>> >> >> >> > so I'm definitely not calling DeleteAll().  For threads, I
> was
> >>> >> >> >> > under
> >>> >> >> >> > the
> >>> >> >> >> > impression that vtkGlobalJavaHash.GC() should always be
> called
> >>> >> >> >> > from
> >>> >> >> >> > the
> >>> >> >> >> > EDT
> >>> >> >> >> > if I have any objects that are used for rendering (which I
> have
> >>> >> >> >> > a
> >>> >> >> >> > bunch
> >>> >> >> >> > of).
> >>> >> >> >> >  I spent a lot of time making this program work in a
> >>> >> >> >> > multithreaded
> >>> >> >> >> > environment.  I separated all calls to any rendering objects
> >>> >> >> >> > and
> >>> >> >> >> > do
> >>> >> >> >> > them
> >>> >> >> >> > in
> >>> >> >> >> > the EDT.  VTK calls to non-rendering objects I do in other
> >>> >> >> >> > threads
> >>> >> >> >> > sometimes.  Are you saying that if a VTK object is created
> in a
> >>> >> >> >> > given
> >>> >> >> >> > thread, it must also be disposed of in that same thread?  I
> >>> >> >> >> > definitely
> >>> >> >> >> > use
> >>> >> >> >> > one thread to create vtkObjects and then other threads
> access
> >>> >> >> >> > them
> >>> >> >> >> > in
> >>> >> >> >> > a
> >>> >> >> >> > thread safe manner.  I thought this was OK.
> >>> >> >> >> >
> >>> >> >> >> > On Tue, Mar 29, 2011 at 11:41 AM, Sebastien Jourdain
> >>> >> >> >> > <sebastien.jourdain at kitware.com> wrote:
> >>> >> >> >> >>
> >>> >> >> >> >> Do you call that method ? This will remove all the VTK
> object
> >>> >> >> >> >> that
> >>> >> >> >> >> have been created through Java regardless if you are still
> >>> >> >> >> >> using
> >>> >> >> >> >> them
> >>> >> >> >> >> or not.
> >>> >> >> >> >>
> >>> >> >> >> >> > vtkGlobalJavaHash.DeleteAll();
> >>> >> >> >> >>
> >>> >> >> >> >> Have you got an idea in which thread you are using the VTK
> >>> >> >> >> >> objects ?
> >>> >> >> >> >> If not, you do have a problem. VTK is not thread safe
> >>> >> >> >> >> therefore
> >>> >> >> >> >> you
> >>> >> >> >> >> should make sure (like swing) that any VTK code get
> executed
> >>> >> >> >> >> in
> >>> >> >> >> >> the
> >>> >> >> >> >> EDT. (creation, setting, update...)
> >>> >> >> >> >>
> >>> >> >> >> >> Seb
> >>> >> >> >> >>
> >>> >> >> >> >> PS: On the other hand, if you know what you are doing, you
> can
> >>> >> >> >> >> use
> >>> >> >> >> >> VTK
> >>> >> >> >> >> in a multi-threaded environment with sometime some
> >>> >> >> >> >> synchronization
> >>> >> >> >> >> with the EDT.
> >>> >> >> >> >>
> >>> >> >> >> >> On Tue, Mar 29, 2011 at 2:26 PM, Jonathan Morra
> >>> >> >> >> >> <jonmorra at gmail.com>
> >>> >> >> >> >> wrote:
> >>> >> >> >> >> > OK, I'm still getting a lot of JNI errors when I run the
> >>> >> >> >> >> > vtkGarbageCollector
> >>> >> >> >> >> > that look like the following.  Do you have any idea
> what's
> >>> >> >> >> >> > going
> >>> >> >> >> >> > on
> >>> >> >> >> >> > here?
> >>> >> >> >> >> > Here is the code that it is being called from
> >>> >> >> >> >> > private static class MyVTKClean implements Runnable {
> >>> >> >> >> >> >         private boolean runVTKDelete;
> >>> >> >> >> >> >         private int numDelete;
> >>> >> >> >> >> >         public MyVTKClean(boolean runVTKDelete) {
> >>> >> >> >> >> >             this.runVTKDelete = runVTKDelete;
> >>> >> >> >> >> >         }
> >>> >> >> >> >> >         public synchronized void run() {
> >>> >> >> >> >> >             if (runVTKDelete)
> >>> >> >> >> >> >                 numDelete =
> vtkGlobalJavaHash.DeleteAll();
> >>> >> >> >> >> >             else
> >>> >> >> >> >> >                 numDelete = vtkGlobalJavaHash.GC();
> >>> >> >> >> >> >         }
> >>> >> >> >> >> >         public int getNumDelete() {
> >>> >> >> >> >> >             return numDelete;
> >>> >> >> >> >> >         }
> >>> >> >> >> >> >     }
> >>> >> >> >> >> >
> >>> >> >> >> >> > // I think the VTK clean up has to run
> >>> >> >> >> >> >     // on the EDT, so we'll do that here
> >>> >> >> >> >> >     public synchronized static void cleanSystem(boolean
> >>> >> >> >> >> > runVTKDelete)
> >>> >> >> >> >> > {
> >>> >> >> >> >> >         System.gc();
> >>> >> >> >> >> >         System.runFinalization();
> >>> >> >> >> >> >         MyVTKClean run = new MyVTKClean(runVTKDelete);
> >>> >> >> >> >> >         // I'm not sure what to do here, it crashes
> >>> >> >> >> >> > sometimes
> >>> >> >> >> >> >         // I honestly think we're going to have to go
> >>> >> >> >> >> > through
> >>> >> >> >> >> > the
> >>> >> >> >> >> > program
> >>> >> >> >> >> >         // and just manually manage all our own memory.
> >>> >> >> >> >> >         SwingUtilities.invokeLater(run);
> >>> >> >> >> >> >     }
> >>> >> >> >> >> > Here is a reproduction of the JNI VTK error.
> >>> >> >> >> >> > #
> >>> >> >> >> >> > # A fatal error has been detected by the Java Runtime
> >>> >> >> >> >> > Environment:
> >>> >> >> >> >> > #
> >>> >> >> >> >> > #  EXCEPTION_ACCESS_VIOLATION (0xc0000005) at
> >>> >> >> >> >> > pc=0x000020001ba29400,
> >>> >> >> >> >> > pid=5420, tid=5264
> >>> >> >> >> >> > #
> >>> >> >> >> >> > # JRE version: 6.0_24-b07
> >>> >> >> >> >> > # Java VM: Java HotSpot(TM) 64-Bit Server VM (19.1-b02
> mixed
> >>> >> >> >> >> > mode
> >>> >> >> >> >> > windows-amd64 compressed oops)
> >>> >> >> >> >> > # Problematic frame:
> >>> >> >> >> >> > # C  0x000020001ba29400
> >>> >> >> >> >> > #
> >>> >> >> >> >> > # If you would like to submit a bug report, please visit:
> >>> >> >> >> >> > #   http://java.sun.com/webapps/bugreport/crash.jsp
> >>> >> >> >> >> > # The crash happened outside the Java Virtual Machine in
> >>> >> >> >> >> > native
> >>> >> >> >> >> > code.
> >>> >> >> >> >> > # See problematic frame for where to report the bug.
> >>> >> >> >> >> > #
> >>> >> >> >> >> > ---------------  T H R E A D  ---------------
> >>> >> >> >> >> > Current thread (0x0000000007e4c000):  JavaThread
> >>> >> >> >> >> > "AWT-EventQueue-0"
> >>> >> >> >> >> > [_thread_in_native, id=5264,
> >>> >> >> >> >> > stack(0x0000000008ee0000,0x0000000008fe0000)]
> >>> >> >> >> >> > siginfo: ExceptionCode=0xc0000005,
> >>> >> >> >> >> > ExceptionInformation=0x0000000000000008
> >>> >> >> >> >> > 0x000020001ba29400
> >>> >> >> >> >> > Registers:
> >>> >> >> >> >> > RAX=0x000007fee9a7ffff, RBX=0x0000000007caf0c8,
> >>> >> >> >> >> > RCX=0x0000000007c00d90,
> >>> >> >> >> >> > RDX=0x0000000008fde720
> >>> >> >> >> >> > RSP=0x0000000008fde608, RBP=0x0000000007caf0d8,
> >>> >> >> >> >> > RSI=0x000000005976e7a0,
> >>> >> >> >> >> > RDI=0x0000000007cafff0
> >>> >> >> >> >> > R8=0x0000000000000000, R9=0x0000000000000009,
> >>> >> >> >> >> > R10=0x0000000006ba18b0,
> >>> >> >> >> >> > R11=0x0000000007cafff0
> >>> >> >> >> >> > R12=0x0000000007caf0d8, R13=0x0000000008fde720,
> >>> >> >> >> >> > R14=0x0000000007bdd2d0,
> >>> >> >> >> >> > R15=0x0000000000000002
> >>> >> >> >> >> > RIP=0x000020001ba29400, EFLAGS=0x0000000000010246
> >>> >> >> >> >> > Register to memory mapping:
> >>> >> >> >> >> > RAX=0x000007fee9a7ffff
> >>> >> >> >> >> > 0x000007fee9a7ffff is pointing to unknown location
> >>> >> >> >> >> > RBX=0x0000000007caf0c8
> >>> >> >> >> >> > 0x0000000007caf0c8 is pointing to unknown location
> >>> >> >> >> >> > RCX=0x0000000007c00d90
> >>> >> >> >> >> > 0x0000000007c00d90 is pointing to unknown location
> >>> >> >> >> >> > RDX=0x0000000008fde720
> >>> >> >> >> >> > 0x0000000008fde720 is pointing into the stack for thread:
> >>> >> >> >> >> > 0x0000000007e4c000
> >>> >> >> >> >> > "AWT-EventQueue-0" prio=6 tid=0x0000000007e4c000
> nid=0x1490
> >>> >> >> >> >> > runnable
> >>> >> >> >> >> > [0x0000000008fde000]
> >>> >> >> >> >> >    java.lang.Thread.State: RUNNABLE
> >>> >> >> >> >> > RSP=0x0000000008fde608
> >>> >> >> >> >> > 0x0000000008fde608 is pointing into the stack for thread:
> >>> >> >> >> >> > 0x0000000007e4c000
> >>> >> >> >> >> > "AWT-EventQueue-0" prio=6 tid=0x0000000007e4c000
> nid=0x1490
> >>> >> >> >> >> > runnable
> >>> >> >> >> >> > [0x0000000008fde000]
> >>> >> >> >> >> >    java.lang.Thread.State: RUNNABLE
> >>> >> >> >> >> > RBP=0x0000000007caf0d8
> >>> >> >> >> >> > 0x0000000007caf0d8 is pointing to unknown location
> >>> >> >> >> >> > RSI=0x000000005976e7a0
> >>> >> >> >> >> > 0x000000005976e7a0 is pointing to unknown location
> >>> >> >> >> >> > RDI=0x0000000007cafff0
> >>> >> >> >> >> > 0x0000000007cafff0 is pointing to unknown location
> >>> >> >> >> >> > R8 =0x0000000000000000
> >>> >> >> >> >> > 0x0000000000000000 is pointing to unknown location
> >>> >> >> >> >> > R9 =0x0000000000000009
> >>> >> >> >> >> > 0x0000000000000009 is pointing to unknown location
> >>> >> >> >> >> > R10=0x0000000006ba18b0
> >>> >> >> >> >> > 0x0000000006ba18b0 is pointing to unknown location
> >>> >> >> >> >> > R11=0x0000000007cafff0
> >>> >> >> >> >> > 0x0000000007cafff0 is pointing to unknown location
> >>> >> >> >> >> > R12=0x0000000007caf0d8
> >>> >> >> >> >> > 0x0000000007caf0d8 is pointing to unknown location
> >>> >> >> >> >> > R13=0x0000000008fde720
> >>> >> >> >> >> > 0x0000000008fde720 is pointing into the stack for thread:
> >>> >> >> >> >> > 0x0000000007e4c000
> >>> >> >> >> >> > "AWT-EventQueue-0" prio=6 tid=0x0000000007e4c000
> nid=0x1490
> >>> >> >> >> >> > runnable
> >>> >> >> >> >> > [0x0000000008fde000]
> >>> >> >> >> >> >    java.lang.Thread.State: RUNNABLE
> >>> >> >> >> >> > R14=0x0000000007bdd2d0
> >>> >> >> >> >> > 0x0000000007bdd2d0 is pointing to unknown location
> >>> >> >> >> >> > R15=0x0000000000000002
> >>> >> >> >> >> > 0x0000000000000002 is pointing to unknown location
> >>> >> >> >> >> >
> >>> >> >> >> >> > Top of Stack: (sp=0x0000000008fde608)
> >>> >> >> >> >> > 0x0000000008fde608:   000007fee995d99b 0000000007caf0c0
> >>> >> >> >> >> > 0x0000000008fde618:   0000000007caf0c0 000000005976e7a0
> >>> >> >> >> >> > 0x0000000008fde628:   0000000000000000 000000005976e7a0
> >>> >> >> >> >> > 0x0000000008fde638:   0000000007caf0b0 000000005976e7a0
> >>> >> >> >> >> > 0x0000000008fde648:   0000000007caf0b0 0000000000000000
> >>> >> >> >> >> > 0x0000000008fde658:   0000000008fde720 00000000bb8bd928
> >>> >> >> >> >> > 0x0000000008fde668:   0000000000000000 0000000000000000
> >>> >> >> >> >> > 0x0000000008fde678:   000007fee9960ab3 0000000008fde720
> >>> >> >> >> >> > 0x0000000008fde688:   0000000007cafff0 0000000000000000
> >>> >> >> >> >> > 0x0000000008fde698:   0000000000000000 0000000007e4c000
> >>> >> >> >> >> > 0x0000000008fde6a8:   0000000008fde950 00000000bb8bd928
> >>> >> >> >> >> > 0x0000000008fde6b8:   0000000000000000 0000000058511290
> >>> >> >> >> >> > 0x0000000008fde6c8:   000007fee9960e6f 0000000058511290
> >>> >> >> >> >> > 0x0000000008fde6d8:   0000000008fde928 00000000bca11e68
> >>> >> >> >> >> > 0x0000000008fde6e8:   0000000002407f03 00000000c0c06c78
> >>> >> >> >> >> > 0x0000000008fde6f8:   0000000008fde700 000000006df196a0
> >>> >> >> >> >> > Instructions: (pc=0x000020001ba29400)
> >>> >> >> >> >> > 0x000020001ba293f0:
> >>> >> >> >> >> > [error occurred during error reporting (printing
> registers,
> >>> >> >> >> >> > top
> >>> >> >> >> >> > of
> >>> >> >> >> >> > stack,
> >>> >> >> >> >> > instructions near pc), id 0xc0000005]
> >>> >> >> >> >> > Stack: [0x0000000008ee0000,0x0000000008fe0000],
> >>> >> >> >> >> >  sp=0x0000000008fde608,
> >>> >> >> >> >> >  free space=1017k
> >>> >> >> >> >> > Native frames: (J=compiled Java code, j=interpreted,
> Vv=VM
> >>> >> >> >> >> > code,
> >>> >> >> >> >> > C=native
> >>> >> >> >> >> > code)
> >>> >> >> >> >> > C  0x000020001ba29400
> >>> >> >> >> >> > Java frames: (J=compiled Java code, j=interpreted, Vv=VM
> >>> >> >> >> >> > code)
> >>> >> >> >> >> > j  vtk.vtkObjectBase.VTKDeleteReference(J)V+0
> >>> >> >> >> >> > j  vtk.vtkGlobalJavaHash.GC()I+73
> >>> >> >> >> >> > j  prefs.ENV$MyVTKClean.run()V+18
> >>> >> >> >> >> > j  java.awt.event.InvocationEvent.dispatch()V+47
> >>> >> >> >> >> > j
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >> >
>  java.awt.EventQueue.dispatchEventImpl(Ljava/awt/AWTEvent;Ljava/lang/Object;)V+21
> >>> >> >> >> >> > j
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >> >
>  java.awt.EventQueue.access$000(Ljava/awt/EventQueue;Ljava/awt/AWTEvent;Ljava/lang/Object;)V+3
> >>> >> >> >> >> > j  java.awt.EventQueue$1.run()Ljava/lang/Void;+12
> >>> >> >> >> >> > j  java.awt.EventQueue$1.run()Ljava/lang/Object;+1
> >>> >> >> >> >> > v  ~StubRoutines::call_stub
> >>> >> >> >> >> > j
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >> >
>  java.security.AccessController.doPrivileged(Ljava/security/PrivilegedAction;Ljava/security/AccessControlContext;)Ljava/lang/Object;+0
> >>> >> >> >> >> > j
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >> >
>  java.security.AccessControlContext$1.doIntersectionPrivilege(Ljava/security/PrivilegedAction;Ljava/security/AccessControlContext;Ljava/security/AccessControlContext;)Ljava/lang/Object;+28
> >>> >> >> >> >> > j
> >>> >> >> >> >> >
>  java.awt.EventQueue.dispatchEvent(Ljava/awt/AWTEvent;)V+46
> >>> >> >> >> >> > j
> >>> >> >> >> >> >
>  java.awt.EventDispatchThread.pumpOneEventForFilters(I)Z+204
> >>> >> >> >> >> > j
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >> >
>  java.awt.EventDispatchThread.pumpEventsForFilter(ILjava/awt/Conditional;Ljava/awt/EventFilter;)V+30
> >>> >> >> >> >> > j
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >> >
>  java.awt.EventDispatchThread.pumpEventsForHierarchy(ILjava/awt/Conditional;Ljava/awt/Component;)V+11
> >>> >> >> >> >> > j
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >> >
>  java.awt.EventDispatchThread.pumpEvents(ILjava/awt/Conditional;)V+4
> >>> >> >> >> >> > j
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >> >
>  java.awt.EventDispatchThread.pumpEvents(Ljava/awt/Conditional;)V+3
> >>> >> >> >> >> > j  java.awt.EventDispatchThread.run()V+9
> >>> >> >> >> >> > v  ~StubRoutines::call_stub
> >>> >> >> >> >> > ---------------  P R O C E S S  ---------------
> >>> >> >> >> >> > Java Threads: ( => current thread )
> >>> >> >> >> >> >   0x0000000009609800 JavaThread "Timer-4"
> >>> >> >> >> >> > [_thread_in_native,
> >>> >> >> >> >> > id=5844,
> >>> >> >> >> >> > stack(0x0000000051110000,0x0000000051210000)]
> >>> >> >> >> >> >   0x000000000960c800 JavaThread
> >>> >> >> >> >> > "SwingWorker-pool-4-thread-1"
> >>> >> >> >> >> > daemon
> >>> >> >> >> >> > [_thread_blocked, id=6424,
> >>> >> >> >> >> > stack(0x0000000053a00000,0x0000000053b00000)]
> >>> >> >> >> >> >   0x000000000960b000 JavaThread "pool-1-thread-1"
> >>> >> >> >> >> > [_thread_blocked,
> >>> >> >> >> >> > id=3136,
> >>> >> >> >> >> > stack(0x000000000bd50000,0x000000000be50000)]
> >>> >> >> >> >> >   0x0000000009608800 JavaThread "DestroyJavaVM"
> >>> >> >> >> >> > [_thread_blocked,
> >>> >> >> >> >> > id=5108,
> >>> >> >> >> >> > stack(0x00000000022e0000,0x00000000023e0000)]
> >>> >> >> >> >> >   0x0000000009608000 JavaThread "TimerQueue" daemon
> >>> >> >> >> >> > [_thread_blocked,
> >>> >> >> >> >> > id=6340, stack(0x000000000a8f0000,0x000000000a9f0000)]
> >>> >> >> >> >> >   0x0000000007f2c000 JavaThread "Timer-2"
> [_thread_blocked,
> >>> >> >> >> >> > id=6600,
> >>> >> >> >> >> > stack(0x00000000090e0000,0x00000000091e0000)]
> >>> >> >> >> >> >   0x0000000007f2b000 JavaThread "Timer-1"
> [_thread_blocked,
> >>> >> >> >> >> > id=3288,
> >>> >> >> >> >> > stack(0x0000000008c40000,0x0000000008d40000)]
> >>> >> >> >> >> >   0x00000000061b0000 JavaThread "ssh-connection 1" daemon
> >>> >> >> >> >> > [_thread_blocked,
> >>> >> >> >> >> > id=6048, stack(0x00000000086f0000,0x00000000087f0000)]
> >>> >> >> >> >> >   0x00000000080d0000 JavaThread "Transport protocol 1"
> >>> >> >> >> >> > daemon
> >>> >> >> >> >> > [_thread_in_native, id=4200,
> >>> >> >> >> >> > stack(0x000000000a730000,0x000000000a830000)]
> >>> >> >> >> >> >   0x0000000007e4c800 JavaThread "Timer-0"
> [_thread_blocked,
> >>> >> >> >> >> > id=2128,
> >>> >> >> >> >> > stack(0x0000000008fe0000,0x00000000090e0000)]
> >>> >> >> >> >> > =>0x0000000007e4c000 JavaThread "AWT-EventQueue-0"
> >>> >> >> >> >> > [_thread_in_native,
> >>> >> >> >> >> > id=5264, stack(0x0000000008ee0000,0x0000000008fe0000)]
> >>> >> >> >> >> >   0x000000000625f800 JavaThread "AWT-Windows" daemon
> >>> >> >> >> >> > [_thread_in_native,
> >>> >> >> >> >> > id=6700, stack(0x00000000085f0000,0x00000000086f0000)]
> >>> >> >> >> >> >   0x000000000625e800 JavaThread "AWT-Shutdown"
> >>> >> >> >> >> > [_thread_blocked,
> >>> >> >> >> >> > id=2500,
> >>> >> >> >> >> > stack(0x00000000084f0000,0x00000000085f0000)]
> >>> >> >> >> >> >   0x000000000611b000 JavaThread "Java2D Disposer" daemon
> >>> >> >> >> >> > [_thread_blocked,
> >>> >> >> >> >> > id=4280, stack(0x00000000083f0000,0x00000000084f0000)]
> >>> >> >> >> >> >   0x00000000060c7800 JavaThread "Low Memory Detector"
> daemon
> >>> >> >> >> >> > [_thread_blocked, id=4272,
> >>> >> >> >> >> > stack(0x0000000006980000,0x0000000006a80000)]
> >>> >> >> >> >> >   0x00000000060c7000 JavaThread "CompilerThread1" daemon
> >>> >> >> >> >> > [_thread_blocked,
> >>> >> >> >> >> > id=2744, stack(0x0000000006880000,0x0000000006980000)]
> >>> >> >> >> >> >   0x00000000060c3000 JavaThread "CompilerThread0" daemon
> >>> >> >> >> >> > [_thread_blocked,
> >>> >> >> >> >> > id=5308, stack(0x0000000006780000,0x0000000006880000)]
> >>> >> >> >> >> >   0x00000000060ae800 JavaThread "JDWP Command Reader"
> daemon
> >>> >> >> >> >> > [_thread_in_native, id=5568,
> >>> >> >> >> >> > stack(0x0000000006680000,0x0000000006780000)]
> >>> >> >> >> >> >   0x00000000060ab000 JavaThread "JDWP Event Helper
> Thread"
> >>> >> >> >> >> > daemon
> >>> >> >> >> >> > [_thread_blocked, id=6736,
> >>> >> >> >> >> > stack(0x0000000006580000,0x0000000006680000)]
> >>> >> >> >> >> >   0x00000000060a5000 JavaThread "JDWP Transport Listener:
> >>> >> >> >> >> > dt_shmem"
> >>> >> >> >> >> > daemon
> >>> >> >> >> >> > [_thread_blocked, id=1744,
> >>> >> >> >> >> > stack(0x0000000006480000,0x0000000006580000)]
> >>> >> >> >> >> >   0x00000000003e6800 JavaThread "Attach Listener" daemon
> >>> >> >> >> >> > [_thread_blocked,
> >>> >> >> >> >> > id=6416, stack(0x0000000006360000,0x0000000006460000)]
> >>> >> >> >> >> >   0x00000000060a0800 JavaThread "Signal Dispatcher"
> daemon
> >>> >> >> >> >> > [_thread_blocked,
> >>> >> >> >> >> > id=6608, stack(0x0000000006260000,0x0000000006360000)]
> >>> >> >> >> >> >   0x00000000003cd800 JavaThread "Finalizer" daemon
> >>> >> >> >> >> > [_thread_blocked,
> >>> >> >> >> >> > id=5328, stack(0x0000000005f60000,0x0000000006060000)]
> >>> >> >> >> >> >   0x00000000003ca000 JavaThread "Reference Handler"
> daemon
> >>> >> >> >> >> > [_thread_blocked,
> >>> >> >> >> >> > id=6568, stack(0x0000000005e60000,0x0000000005f60000)]
> >>> >> >> >> >> > Other Threads:
> >>> >> >> >> >> >   0x00000000003c3800 VMThread [stack:
> >>> >> >> >> >> > 0x0000000005d60000,0x0000000005e60000]
> >>> >> >> >> >> > [id=6624]
> >>> >> >> >> >> >   0x00000000060cd800 WatcherThread [stack:
> >>> >> >> >> >> > 0x0000000006a80000,0x0000000006b80000] [id=968]
> >>> >> >> >> >> > VM state:not at safepoint (normal execution)
> >>> >> >> >> >> > VM Mutex/Monitor currently owned by a thread: None
> >>> >> >> >> >> > Heap
> >>> >> >> >> >> >  PSYoungGen      total 18944K, used 491K
> >>> >> >> >> >> > [0x00000000ead60000,
> >>> >> >> >> >> > 0x00000000ec280000, 0x0000000100000000)
> >>> >> >> >> >> >   eden space 16256K, 3% used
> >>> >> >> >> >> >
> [0x00000000ead60000,0x00000000eaddae10,0x00000000ebd40000)
> >>> >> >> >> >> >   from space 2688K, 0% used
> >>> >> >> >> >> >
> [0x00000000ebfe0000,0x00000000ebfe0000,0x00000000ec280000)
> >>> >> >> >> >> >   to   space 2688K, 0% used
> >>> >> >> >> >> >
> [0x00000000ebd40000,0x00000000ebd40000,0x00000000ebfe0000)
> >>> >> >> >> >> >  PSOldGen        total 43392K, used 10564K
> >>> >> >> >> >> > [0x00000000c0800000,
> >>> >> >> >> >> > 0x00000000c3260000, 0x00000000ead60000)
> >>> >> >> >> >> >   object space 43392K, 24% used
> >>> >> >> >> >> >
> [0x00000000c0800000,0x00000000c1251378,0x00000000c3260000)
> >>> >> >> >> >> >  PSPermGen       total 23616K, used 23499K
> >>> >> >> >> >> > [0x00000000bb600000,
> >>> >> >> >> >> > 0x00000000bcd10000, 0x00000000c0800000)
> >>> >> >> >> >> >   object space 23616K, 99% used
> >>> >> >> >> >> >
> [0x00000000bb600000,0x00000000bccf2d70,0x00000000bcd10000)
> >>> >> >> >> >> > Dynamic libraries:
> >>> >> >> >> >> > 0x0000000000400000 - 0x000000000042e000 C:\Program
> >>> >> >> >> >> > Files\Java\jdk1.6.0_24\jre\bin\java.exe
> >>> >> >> >> >> > 0x00000000775d0000 - 0x0000000077779000
> >>> >> >> >> >> > C:\Windows\SYSTEM32\ntdll.dll
> >>> >> >> >> >> > 0x00000000773b0000 - 0x00000000774cf000
> >>> >> >> >> >> > C:\Windows\system32\kernel32.dll
> >>> >> >> >> >> > 0x000007fefcac0000 - 0x000007fefcb2b000
> >>> >> >> >> >> > C:\Windows\system32\KERNELBASE.dll
> >>> >> >> >> >> > 0x000007fefe6b0000 - 0x000007fefe78b000
> >>> >> >> >> >> > C:\Windows\system32\ADVAPI32.dll
> >>> >> >> >> >> > 0x000007fefce70000 - 0x000007fefcf0f000
> >>> >> >> >> >> > C:\Windows\system32\msvcrt.dll
> >>> >> >> >> >> > 0x000007fefece0000 - 0x000007fefecff000
> >>> >> >> >> >> > C:\Windows\SYSTEM32\sechost.dll
> >>> >> >> >> >> > 0x000007fefe090000 - 0x000007fefe1bd000
> >>> >> >> >> >> > C:\Windows\system32\RPCRT4.dll
> >>> >> >> >> >> > 0x000000006d890000 - 0x000000006df94000 C:\Program
> >>> >> >> >> >> > Files\Java\jdk1.6.0_24\jre\bin\server\jvm.dll
> >>> >> >> >> >> > 0x00000000774d0000 - 0x00000000775ca000
> >>> >> >> >> >> > C:\Windows\system32\USER32.dll
> >>> >> >> >> >> > 0x000007fefd290000 - 0x000007fefd2f7000
> >>> >> >> >> >> > C:\Windows\system32\GDI32.dll
> >>> >> >> >> >> > 0x000007fefd280000 - 0x000007fefd28e000
> >>> >> >> >> >> > C:\Windows\system32\LPK.dll
> >>> >> >> >> >> > 0x000007fefed00000 - 0x000007fefedc9000
> >>> >> >> >> >> > C:\Windows\system32\USP10.dll
> >>> >> >> >> >> > 0x000007fef9d90000 - 0x000007fef9dcb000
> >>> >> >> >> >> > C:\Windows\system32\WINMM.dll
> >>> >> >> >> >> > 0x000007fefe790000 - 0x000007fefe7be000
> >>> >> >> >> >> > C:\Windows\system32\IMM32.DLL
> >>> >> >> >> >> > 0x000007fefe390000 - 0x000007fefe499000
> >>> >> >> >> >> > C:\Windows\system32\MSCTF.dll
> >>> >> >> >> >> > 0x000000006d800000 - 0x000000006d80e000 C:\Program
> >>> >> >> >> >> > Files\Java\jdk1.6.0_24\jre\bin\verify.dll
> >>> >> >> >> >> > 0x000000006d450000 - 0x000000006d477000 C:\Program
> >>> >> >> >> >> > Files\Java\jdk1.6.0_24\jre\bin\java.dll
> >>> >> >> >> >> > 0x000000006d3b0000 - 0x000000006d3ba000 C:\Program
> >>> >> >> >> >> > Files\Java\jdk1.6.0_24\jre\bin\hpi.dll
> >>> >> >> >> >> > 0x00000000777a0000 - 0x00000000777a7000
> >>> >> >> >> >> > C:\Windows\system32\PSAPI.DLL
> >>> >> >> >> >> > 0x000000006d4c0000 - 0x000000006d4f4000 C:\Program
> >>> >> >> >> >> > Files\Java\jdk1.6.0_24\jre\bin\jdwp.dll
> >>> >> >> >> >> > 0x000000006d6d0000 - 0x000000006d6d8000 C:\Program
> >>> >> >> >> >> > Files\Java\jdk1.6.0_24\jre\bin\npt.dll
> >>> >> >> >> >> > 0x000000006d850000 - 0x000000006d862000 C:\Program
> >>> >> >> >> >> > Files\Java\jdk1.6.0_24\jre\bin\zip.dll
> >>> >> >> >> >> > 0x000000006d300000 - 0x000000006d30a000 C:\Program
> >>> >> >> >> >> > Files\Java\jdk1.6.0_24\jre\bin\dt_shmem.dll
> >>> >> >> >> >> > 0x000007fef1360000 - 0x000007fef13cb000
> >>> >> >> >> >> > C:\Users\...\dist\64\vtkCommonJava.dll
> >>> >> >> >> >> > 0x000007fee9900000 - 0x000007fee9b6f000
> >>> >> >> >> >> > C:\Users\...\dist\64\vtkCommon.dll
> >>> >> >> >> >> > 0x000007fef4bf0000 - 0x000007fef4c32000
> >>> >> >> >> >> > C:\Users\...\dist\64\vtksys.dll
> >>> >> >> >> >> > 0x000007fefd1d0000 - 0x000007fefd21d000
> >>> >> >> >> >> > C:\Windows\system32\WS2_32.dll
> >>> >> >> >> >> > 0x000007fefcde0000 - 0x000007fefcde8000
> >>> >> >> >> >> > C:\Windows\system32\NSI.dll
> >>> >> >> >> >> > 0x0000000072850000 - 0x00000000728ed000
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> C:\Windows\WinSxS\amd64_microsoft.vc90.crt_1fc8b3b9a1e18e3b_9.0.30729.4940_none_08e4299fa83d7e3c\MSVCR90.dll
> >>> >> >> >> >> > 0x0000000074590000 - 0x0000000074663000
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> C:\Windows\WinSxS\amd64_microsoft.vc90.crt_1fc8b3b9a1e18e3b_9.0.30729.4940_none_08e4299fa83d7e3c\MSVCP90.dll
> >>> >> >> >> >> > 0x000007fef0410000 - 0x000007fef0419000
> >>> >> >> >> >> > C:\Windows\system32\WSOCK32.dll
> >>> >> >> >> >> > 0x000007feedb20000 - 0x000007feedbbc000
> >>> >> >> >> >> > C:\Users\...\dist\64\vtkFilteringJava.dll
> >>> >> >> >> >> > 0x000007fee95e0000 - 0x000007fee98f2000
> >>> >> >> >> >> > C:\Users\...\dist\64\vtkFiltering.dll
> >>> >> >> >> >> > 0x000007fef9f90000 - 0x000007fef9f9f000
> >>> >> >> >> >> > C:\Users\...\dist\64\vtkGenericFilteringJava.dll
> >>> >> >> >> >> > 0x000007fef1320000 - 0x000007fef1356000
> >>> >> >> >> >> > C:\Users\...\dist\64\vtkGenericFiltering.dll
> >>> >> >> >> >> > 0x000007fee8fe0000 - 0x000007fee95d6000
> >>> >> >> >> >> > C:\Users\...\dist\64\vtkGraphics.dll
> >>> >> >> >> >> > 0x000007fef0a60000 - 0x000007fef0a91000
> >>> >> >> >> >> > C:\Users\...\dist\64\vtkverdict.dll
> >>> >> >> >> >> > 0x000007feef720000 - 0x000007feef7b2000
> >>> >> >> >> >> > C:\Users\...\dist\64\vtkGraphicsJava.dll
> >>> >> >> >> >> > 0x000007fef1290000 - 0x000007fef12df000
> >>> >> >> >> >> > C:\Users\...\dist\64\vtkHybridJava.dll
> >>> >> >> >> >> > 0x000007fee8d30000 - 0x000007fee8fd1000
> >>> >> >> >> >> > C:\Users\...\dist\64\vtkHybrid.dll
> >>> >> >> >> >> > 0x000007fee88d0000 - 0x000007fee8d22000
> >>> >> >> >> >> > C:\Users\...\dist\64\vtkRendering.dll
> >>> >> >> >> >> > 0x000007fefe4a0000 - 0x000007fefe6a3000
> >>> >> >> >> >> > C:\Windows\system32\ole32.dll
> >>> >> >> >> >> > 0x000007fefe7c0000 - 0x000007fefe897000
> >>> >> >> >> >> > C:\Windows\system32\OLEAUT32.dll
> >>> >> >> >> >> > 0x000007fee8600000 - 0x000007fee88ce000
> >>> >> >> >> >> > C:\Users\...\dist\64\vtkImaging.dll
> >>> >> >> >> >> > 0x000007fee8150000 - 0x000007fee85f9000
> >>> >> >> >> >> > C:\Users\...\dist\64\vtkIO.dll
> >>> >> >> >> >> > 0x000007fef4bc0000 - 0x000007fef4be3000
> >>> >> >> >> >> > C:\Users\...\dist\64\vtkDICOMParser.dll
> >>> >> >> >> >> > 0x000007feed060000 - 0x000007feed110000
> >>> >> >> >> >> > C:\Users\...\dist\64\vtkNetCDF.dll
> >>> >> >> >> >> > 0x000007fef9f70000 - 0x000007fef9f8d000
> >>> >> >> >> >> > C:\Users\...\dist\64\vtkNetCDF_cxx.dll
> >>> >> >> >> >> > 0x000007feed560000 - 0x000007feed5f3000
> >>> >> >> >> >> > C:\Users\...\dist\64\vtkmetaio.dll
> >>> >> >> >> >> > 0x000007fef0a40000 - 0x000007fef0a55000
> >>> >> >> >> >> > C:\Users\...\dist\64\vtkzlib.dll
> >>> >> >> >> >> > 0x000007fef0a10000 - 0x000007fef0a33000
> >>> >> >> >> >> > C:\Users\...\dist\64\vtkpng.dll
> >>> >> >> >> >> > 0x000007feef6b0000 - 0x000007feef6d7000
> >>> >> >> >> >> > C:\Users\...\dist\64\vtkjpeg.dll
> >>> >> >> >> >> > 0x000007feee410000 - 0x000007feee461000
> >>> >> >> >> >> > C:\Users\...\dist\64\vtktiff.dll
> >>> >> >> >> >> > 0x000007feee3e0000 - 0x000007feee403000
> >>> >> >> >> >> > C:\Users\...\dist\64\vtkexpat.dll
> >>> >> >> >> >> > 0x000007fef0580000 - 0x000007fef059f000
> >>> >> >> >> >> > C:\Windows\system32\AVIFIL32.dll
> >>> >> >> >> >> > 0x000007fef9d20000 - 0x000007fef9d38000
> >>> >> >> >> >> > C:\Windows\system32\MSACM32.dll
> >>> >> >> >> >> > 0x000007feee350000 - 0x000007feee379000
> >>> >> >> >> >> > C:\Windows\system32\MSVFW32.dll
> >>> >> >> >> >> > 0x000007fefd300000 - 0x000007fefe088000
> >>> >> >> >> >> > C:\Windows\system32\SHELL32.dll
> >>> >> >> >> >> > 0x000007fefcdf0000 - 0x000007fefce61000
> >>> >> >> >> >> > C:\Windows\system32\SHLWAPI.dll
> >>> >> >> >> >> > 0x000007fefb4e0000 - 0x000007fefb6d4000
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> C:\Windows\WinSxS\amd64_microsoft.windows.common-controls_6595b64144ccf1df_6.0.7601.17514_none_fa396087175ac9ac\COMCTL32.dll
> >>> >> >> >> >> > 0x000007fef9eb0000 - 0x000007fef9ebf000
> >>> >> >> >> >> > C:\Users\...\dist\64\vtkftgl.dll
> >>> >> >> >> >> > 0x000007fee9cc0000 - 0x000007fee9ddd000
> >>> >> >> >> >> > C:\Windows\system32\OPENGL32.dll
> >>> >> >> >> >> > 0x000007feedaf0000 - 0x000007feedb1d000
> >>> >> >> >> >> > C:\Windows\system32\GLU32.dll
> >>> >> >> >> >> > 0x000007fee9bc0000 - 0x000007fee9cb1000
> >>> >> >> >> >> > C:\Windows\system32\DDRAW.dll
> >>> >> >> >> >> > 0x000007fef9420000 - 0x000007fef9428000
> >>> >> >> >> >> > C:\Windows\system32\DCIMAN32.dll
> >>> >> >> >> >> > 0x000007fefe8a0000 - 0x000007fefea77000
> >>> >> >> >> >> > C:\Windows\system32\SETUPAPI.dll
> >>> >> >> >> >> > 0x000007fefcb30000 - 0x000007fefcb66000
> >>> >> >> >> >> > C:\Windows\system32\CFGMGR32.dll
> >>> >> >> >> >> > 0x000007fefcdc0000 - 0x000007fefcdda000
> >>> >> >> >> >> > C:\Windows\system32\DEVOBJ.dll
> >>> >> >> >> >> > 0x000007fefaed0000 - 0x000007fefaee8000
> >>> >> >> >> >> > C:\Windows\system32\dwmapi.dll
> >>> >> >> >> >> > 0x000007feed4e0000 - 0x000007feed554000
> >>> >> >> >> >> > C:\Users\...\dist\64\vtkfreetype.dll
> >>> >> >> >> >> > 0x000007fee7f50000 - 0x000007fee814f000
> >>> >> >> >> >> > C:\Windows\system32\d3d9.dll
> >>> >> >> >> >> > 0x000007fefb9d0000 - 0x000007fefb9dc000
> >>> >> >> >> >> > C:\Windows\system32\VERSION.dll
> >>> >> >> >> >> > 0x000007fef8870000 - 0x000007fef8877000
> >>> >> >> >> >> > C:\Windows\system32\d3d8thk.dll
> >>> >> >> >> >> > 0x000007feedaa0000 - 0x000007feedae5000
> >>> >> >> >> >> > C:\Users\...\dist\64\vtkexoIIc.dll
> >>> >> >> >> >> > 0x000007feefc40000 - 0x000007feefc57000
> >>> >> >> >> >> > C:\Windows\system32\AVICAP32.dll
> >>> >> >> >> >> > 0x000007feec740000 - 0x000007feec7c1000
> >>> >> >> >> >> > C:\Users\...\dist\64\vtkRenderingJava.dll
> >>> >> >> >> >> > 0x000000006d490000 - 0x000000006d497000 C:\Program
> >>> >> >> >> >> > Files\Java\jdk1.6.0_24\jre\bin\jawt.dll
> >>> >> >> >> >> > 0x000000006d0a0000 - 0x000000006d263000 C:\Program
> >>> >> >> >> >> > Files\Java\jdk1.6.0_24\jre\bin\awt.dll
> >>> >> >> >> >> > 0x000007fef8bc0000 - 0x000007fef8c31000
> >>> >> >> >> >> > C:\Windows\system32\WINSPOOL.DRV
> >>> >> >> >> >> > 0x000007feed010000 - 0x000007feed05e000
> >>> >> >> >> >> > C:\Users\...\dist\64\vtkIOJava.dll
> >>> >> >> >> >> > 0x000007feec6f0000 - 0x000007feec732000
> >>> >> >> >> >> > C:\Users\...\dist\64\vtkImagingJava.dll
> >>> >> >> >> >> > 0x000007feed4b0000 - 0x000007feed4d3000
> >>> >> >> >> >> > C:\Users\...\dist\64\vtkVolumeRenderingJava.dll
> >>> >> >> >> >> > 0x000007fee7ad0000 - 0x000007fee7f48000
> >>> >> >> >> >> > C:\Users\...\dist\64\vtkVolumeRendering.dll
> >>> >> >> >> >> > 0x000007fee7a70000 - 0x000007fee7ac2000
> >>> >> >> >> >> > C:\Users\...\dist\64\vtkWidgetsJava.dll
> >>> >> >> >> >> > 0x000007fee78e0000 - 0x000007fee7a6e000
> >>> >> >> >> >> > C:\Users\...\dist\64\vtkWidgets.dll
> >>> >> >> >> >> > 0x000007fee9b90000 - 0x000007fee9bb8000
> >>> >> >> >> >> > C:\Users\...\dist\64\vtkgdcmJava.dll
> >>> >> >> >> >> > 0x000007fee7820000 - 0x000007fee78df000
> >>> >> >> >> >> > C:\Users\...\dist\64\vtkgdcm.dll
> >>> >> >> >> >> > 0x000007fee7710000 - 0x000007fee781e000
> >>> >> >> >> >> > C:\Users\...\dist\64\gdcmMSFF.dll
> >>> >> >> >> >> > 0x000007fee76e0000 - 0x000007fee7710000
> >>> >> >> >> >> > C:\Users\...\dist\64\gdcmIOD.dll
> >>> >> >> >> >> > 0x000007fee7660000 - 0x000007fee76d5000
> >>> >> >> >> >> > C:\Users\...\dist\64\gdcmDSED.dll
> >>> >> >> >> >> > 0x000007feef470000 - 0x000007feef484000
> >>> >> >> >> >> > C:\Users\...\dist\64\gdcmCommon.dll
> >>> >> >> >> >> > 0x000007feec230000 - 0x000007feec246000
> >>> >> >> >> >> > C:\Users\...\dist\64\gdcmzlib.dll
> >>> >> >> >> >> > 0x000007fee7630000 - 0x000007fee7653000
> >>> >> >> >> >> > C:\Users\...\dist\64\gdcmexpat.dll
> >>> >> >> >> >> > 0x000007fee74d0000 - 0x000007fee762b000
> >>> >> >> >> >> > C:\Users\...\dist\64\gdcmDICT.dll
> >>> >> >> >> >> > 0x000007fee74a0000 - 0x000007fee74cb000
> >>> >> >> >> >> > C:\Users\...\dist\64\gdcmjpeg8.dll
> >>> >> >> >> >> > 0x000007fee7470000 - 0x000007fee749b000
> >>> >> >> >> >> > C:\Users\...\dist\64\gdcmjpeg12.dll
> >>> >> >> >> >> > 0x000007fee7440000 - 0x000007fee746c000
> >>> >> >> >> >> > C:\Users\...\dist\64\gdcmjpeg16.dll
> >>> >> >> >> >> > 0x000007fee7410000 - 0x000007fee7437000
> >>> >> >> >> >> > C:\Users\...\dist\64\gdcmopenjpeg.dll
> >>> >> >> >> >> > 0x000007fee73d0000 - 0x000007fee7409000
> >>> >> >> >> >> > C:\Users\...\dist\64\gdcmcharls.dll
> >>> >> >> >> >> > 0x000007fefb300000 - 0x000007fefb356000
> >>> >> >> >> >> > C:\Windows\system32\uxtheme.dll
> >>> >> >> >> >> > 0x000007fefc940000 - 0x000007fefc94f000
> >>> >> >> >> >> > C:\Windows\system32\CRYPTBASE.dll
> >>> >> >> >> >> > 0x000000006d340000 - 0x000000006d3a6000 C:\Program
> >>> >> >> >> >> > Files\Java\jdk1.6.0_24\jre\bin\fontmanager.dll
> >>> >> >> >> >> > 0x000000006d6a0000 - 0x000000006d6b7000 C:\Program
> >>> >> >> >> >> > Files\Java\jdk1.6.0_24\jre\bin\net.dll
> >>> >> >> >> >> > 0x000007fefc240000 - 0x000007fefc295000
> >>> >> >> >> >> > C:\Windows\system32\mswsock.dll
> >>> >> >> >> >> > 0x000007fefc230000 - 0x000007fefc237000
> >>> >> >> >> >> > C:\Windows\System32\wship6.dll
> >>> >> >> >> >> > 0x000000006d6c0000 - 0x000000006d6cb000 C:\Program
> >>> >> >> >> >> > Files\Java\jdk1.6.0_24\jre\bin\nio.dll
> >>> >> >> >> >> > 0x000007fee7360000 - 0x000007fee73cf000
> >>> >> >> >> >> > C:\Users\...\dist\64\gdcmjni.dll
> >>> >> >> >> >> > 0x000007fefc2e0000 - 0x000007fefc2f7000
> >>> >> >> >> >> > C:\Windows\system32\CRYPTSP.dll
> >>> >> >> >> >> > 0x000007fefbfa0000 - 0x000007fefbfe7000
> >>> >> >> >> >> > C:\Windows\system32\rsaenh.dll
> >>> >> >> >> >> > 0x000007fefbd50000 - 0x000007fefbd6e000
> >>> >> >> >> >> > C:\Windows\system32\USERENV.dll
> >>> >> >> >> >> > 0x000007fefca10000 - 0x000007fefca1f000
> >>> >> >> >> >> > C:\Windows\system32\profapi.dll
> >>> >> >> >> >> > 0x000007fefa4e0000 - 0x000007fefa4f5000
> >>> >> >> >> >> > C:\Windows\system32\NLAapi.dll
> >>> >> >> >> >> > 0x000007fef89e0000 - 0x000007fef89f5000
> >>> >> >> >> >> > C:\Windows\system32\napinsp.dll
> >>> >> >> >> >> > 0x000007fef89c0000 - 0x000007fef89d9000
> >>> >> >> >> >> > C:\Windows\system32\pnrpnsp.dll
> >>> >> >> >> >> > 0x000007fef89b0000 - 0x000007fef89c0000
> >>> >> >> >> >> > C:\Windows\system32\wshbth.dll
> >>> >> >> >> >> > 0x000007fefc0c0000 - 0x000007fefc11b000
> >>> >> >> >> >> > C:\Windows\system32\DNSAPI.dll
> >>> >> >> >> >> > 0x000007fef89a0000 - 0x000007fef89ab000
> >>> >> >> >> >> > C:\Windows\System32\winrnr.dll
> >>> >> >> >> >> > 0x000007fefbc40000 - 0x000007fefbc47000
> >>> >> >> >> >> > C:\Windows\System32\wshtcpip.dll
> >>> >> >> >> >> > 0x000007fef9f30000 - 0x000007fef9f57000
> >>> >> >> >> >> > C:\Windows\system32\IPHLPAPI.DLL
> >>> >> >> >> >> > 0x000007fef9f60000 - 0x000007fef9f6b000
> >>> >> >> >> >> > C:\Windows\system32\WINNSI.DLL
> >>> >> >> >> >> > 0x000007fef8990000 - 0x000007fef8998000
> >>> >> >> >> >> > C:\Windows\system32\rasadhlp.dll
> >>> >> >> >> >> > 0x000007fef9ec0000 - 0x000007fef9f13000
> >>> >> >> >> >> > C:\Windows\System32\fwpuclnt.dll
> >>> >> >> >> >> > 0x000007fefcd80000 - 0x000007fefcdba000
> >>> >> >> >> >> > C:\Windows\system32\WINTRUST.dll
> >>> >> >> >> >> > 0x000007fefcb70000 - 0x000007fefccd7000
> >>> >> >> >> >> > C:\Windows\system32\CRYPT32.dll
> >>> >> >> >> >> > 0x000007fefcab0000 - 0x000007fefcabf000
> >>> >> >> >> >> > C:\Windows\system32\MSASN1.dll
> >>> >> >> >> >> > 0x0000000069500000 - 0x000000006a195000
> >>> >> >> >> >> > C:\Windows\system32\nvoglv64.DLL
> >>> >> >> >> >> > VM Arguments:
> >>> >> >> >> >> > jvm_args: -Xdebug
> >>> >> >> >> >> > -Xrunjdwp:transport=dt_shmem,address=javadebug
> >>> >> >> >> >> > -Dfile.encoding=UTF-8 -Dsun.java2d.ddoffscreen=false
> >>> >> >> >> >> > -Dsun.java2d.gdiblit=false
> >>> >> >> >> >> > java_command: Application yes no
> >>> >> >> >> >> > Launcher Type: SUN_STANDARD
> >>> >> >> >> >> > Environment Variables:
> >>> >> >> >> >> > JAVA_HOME=C:\Program Files\Java\jdk1.6.0_18
> >>> >> >> >> >> > PATH=C:\Program Files (x86)\MiKTeX
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> 2.8\miktex\bin;C:\Ruby19\bin;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\strawberry\c\bin;C:\strawberry\perl\bin;c:\Program
> >>> >> >> >> >> > Files (x86)\Microsoft SQL
> Server\90\Tools\binn\;C:\Program
> >>> >> >> >> >> > Files\MySQL\MySQL
> >>> >> >> >> >> > Server
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> 5.1\bin;C:\Users\jmorra\Downloads\dcm4che\dcm4che-2.0.21\bin;C:\Users\...\dist\64;C:\Program
> >>> >> >> >> >> > Files (x86)\Calibre2\;C:\Program Files (x86)\SSH
> >>> >> >> >> >> > Communications
> >>> >> >> >> >> > Security\SSH
> >>> >> >> >> >> > Secure Shell
> >>> >> >> >> >> > USERNAME=jmorra
> >>> >> >> >> >> > OS=Windows_NT
> >>> >> >> >> >> > PROCESSOR_IDENTIFIER=Intel64 Family 6 Model 23 Stepping
> 10,
> >>> >> >> >> >> > GenuineIntel
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >> > ---------------  S Y S T E M  ---------------
> >>> >> >> >> >> > OS: Windows 7 Build 7601 Service Pack 1
> >>> >> >> >> >> > CPU:total 2 (2 cores per cpu, 1 threads per core) family
> 6
> >>> >> >> >> >> > model
> >>> >> >> >> >> > 23
> >>> >> >> >> >> > stepping
> >>> >> >> >> >> > 10, cmov, cx8, fxsr, mmx, sse, sse2, sse3, ssse3, sse4.1
> >>> >> >> >> >> > Memory: 4k page, physical 4158344k(884196k free), swap
> >>> >> >> >> >> > 8314844k(3659748k
> >>> >> >> >> >> > free)
> >>> >> >> >> >> > vm_info: Java HotSpot(TM) 64-Bit Server VM (19.1-b02) for
> >>> >> >> >> >> > windows-amd64
> >>> >> >> >> >> > JRE
> >>> >> >> >> >> > (1.6.0_24-b07), built on Feb  2 2011 16:25:45 by
> "java_re"
> >>> >> >> >> >> > with
> >>> >> >> >> >> > MS
> >>> >> >> >> >> > VC++
> >>> >> >> >> >> > 8.0
> >>> >> >> >> >> > (VS2005)
> >>> >> >> >> >> > time: Tue Mar 29 11:21:13 2011
> >>> >> >> >> >> > elapsed time: 50 seconds
> >>> >> >> >> >> >
> >>> >> >> >> >> > On Tue, Mar 29, 2011 at 8:27 AM, Sebastien Jourdain
> >>> >> >> >> >> > <sebastien.jourdain at kitware.com> wrote:
> >>> >> >> >> >> >>
> >>> >> >> >> >> >> As I said, since a double[] is not a vtkObject, your are
> >>> >> >> >> >> >> good
> >>> >> >> >> >> >> to
> >>> >> >> >> >> >> go
> >>> >> >> >> >> >> with image.GetSpacing(), and there is no arm in that.
> >>> >> >> >> >> >> It is not that it make java difficult to use, it will
> >>> >> >> >> >> >> induce
> >>> >> >> >> >> >> more
> >>> >> >> >> >> >> lines. But don't make me wrong this problem occurs ONLY
> >>> >> >> >> >> >> when
> >>> >> >> >> >> >> you
> >>> >> >> >> >> >> bind
> >>> >> >> >> >> >> two vtkObject together whithout any Java instance
> holding
> >>> >> >> >> >> >> the
> >>> >> >> >> >> >> reference in between.
> >>> >> >> >> >> >>
> >>> >> >> >> >> >> BAD => a.SetX(b.GetY());
> >>> >> >> >> >> >>
> >>> >> >> >> >> >> But you can do
> >>> >> >> >> >> >>
> >>> >> >> >> >> >> z = a.GetX().GetY().GetZ();
> >>> >> >> >> >> >> b.SetZ(z);
> >>> >> >> >> >> >>
> >>> >> >> >> >> >> or that too
> >>> >> >> >> >> >>
> >>> >> >> >> >> >> b.SetZ(z = a.GetX().GetY().GetZ());
> >>> >> >> >> >> >>
> >>> >> >> >> >> >> Seb
> >>> >> >> >> >> >>
> >>> >> >> >> >> >> On Tue, Mar 29, 2011 at 11:10 AM, Jonathan Morra
> >>> >> >> >> >> >> <jonmorra at gmail.com>
> >>> >> >> >> >> >> wrote:
> >>> >> >> >> >> >> > Thanks for your help.  For number 3,
> image.GetSpacing()
> >>> >> >> >> >> >> > is a
> >>> >> >> >> >> >> > VTK
> >>> >> >> >> >> >> > call,
> >>> >> >> >> >> >> > however it returns a java double[], so I thought that
> it
> >>> >> >> >> >> >> > was
> >>> >> >> >> >> >> > OK.
> >>> >> >> >> >> >> >  All
> >>> >> >> >> >> >> > these
> >>> >> >> >> >> >> > memory restrictions in Java make it very difficult to
> >>> >> >> >> >> >> > use,
> >>> >> >> >> >> >> > is
> >>> >> >> >> >> >> > there
> >>> >> >> >> >> >> > any
> >>> >> >> >> >> >> > plans to improve the usage of VTK in Java?
> >>> >> >> >> >> >> > Thanks again!
> >>> >> >> >> >> >> >
> >>> >> >> >> >> >> > On Tue, Mar 29, 2011 at 5:26 AM, Sebastien Jourdain
> >>> >> >> >> >> >> > <sebastien.jourdain at kitware.com> wrote:
> >>> >> >> >> >> >> >>
> >>> >> >> >> >> >> >> Hi Jonathan,
> >>> >> >> >> >> >> >>
> >>> >> >> >> >> >> >> I directly reply on the context of your mail,
> >>> >> >> >> >> >> >>
> >>> >> >> >> >> >> >>
> >>> >> >> >> >> >> >> On Tue, Mar 29, 2011 at 2:33 AM, Jonathan Morra
> >>> >> >> >> >> >> >> <jonmorra at gmail.com>
> >>> >> >> >> >> >> >> wrote:
> >>> >> >> >> >> >> >> > Since I'm using vtkJavaGarbageCollector I'm already
> >>> >> >> >> >> >> >> > using
> >>> >> >> >> >> >> >> > vtkGlobalJavaHash.GC();.  The main questions that I
> >>> >> >> >> >> >> >> > currently
> >>> >> >> >> >> >> >> > still
> >>> >> >> >> >> >> >> > need
> >>> >> >> >> >> >> >> > answered are here
> >>> >> >> >> >> >> >> > 1.  should I have to call System.gc(); and
> >>> >> >> >> >> >> >> > System.runFinalization();
> >>> >> >> >> >> >> >> > frequently with VTK+Java?  It appears the memory is
> >>> >> >> >> >> >> >> > managed
> >>> >> >> >> >> >> >> > better
> >>> >> >> >> >> >> >> > when
> >>> >> >> >> >> >> >> > calling these lines every
> time vtkGlobalJavaHash.GC()
> >>> >> >> >> >> >> >> > is
> >>> >> >> >> >> >> >> > called,
> >>> >> >> >> >> >> >> > but
> >>> >> >> >> >> >> >> > I
> >>> >> >> >> >> >> >> > don't
> >>> >> >> >> >> >> >> > know if this is necessary.
> >>> >> >> >> >> >> >>
> >>> >> >> >> >> >> >> System.gc(); is the only one that you should really
> care
> >>> >> >> >> >> >> >> about.
> >>> >> >> >> >> >> >> But
> >>> >> >> >> >> >> >> Java does not offer any guarantee if this method will
> do
> >>> >> >> >> >> >> >> something
> >>> >> >> >> >> >> >> or
> >>> >> >> >> >> >> >> not.  Moreover, the GC will stop all the thread to do
> >>> >> >> >> >> >> >> its
> >>> >> >> >> >> >> >> job.
> >>> >> >> >> >> >> >> So
> >>> >> >> >> >> >> >> it
> >>> >> >> >> >> >> >> is basically up to you.
> >>> >> >> >> >> >> >>
> >>> >> >> >> >> >> >> > 2.  Is it ok to reuse Java variables?  Such as
> >>> >> >> >> >> >> >> > vtkImageData image = filter.GetOuput();
> >>> >> >> >> >> >> >> > // Do Stuff
> >>> >> >> >> >> >> >> > image = filter2.GetOuput();
> >>> >> >> >> >> >> >>
> >>> >> >> >> >> >> >> yes
> >>> >> >> >> >> >> >>
> >>> >> >> >> >> >> >> > 3.   Is it OK to move around java objects without
> an
> >>> >> >> >> >> >> >> > intermediate
> >>> >> >> >> >> >> >> > reference?
> >>> >> >> >> >> >> >> >  Such as
> >>> >> >> >> >> >> >> > image1.SetOutputSpacing(image2.GetSpacing());
> >>> >> >> >> >> >> >>
> >>> >> >> >> >> >> >> what do you mean by Java object ? for me as the
> Set/Get
> >>> >> >> >> >> >> >> do
> >>> >> >> >> >> >> >> have a
> >>> >> >> >> >> >> >> capital letter, I would say they come from the VTK
> world
> >>> >> >> >> >> >> >> and
> >>> >> >> >> >> >> >> if
> >>> >> >> >> >> >> >> they
> >>> >> >> >> >> >> >> return a vtkObject, you should use an intermediate
> >>> >> >> >> >> >> >> variable
> >>> >> >> >> >> >> >> otherwise
> >>> >> >> >> >> >> >> if it's an array of primary type, that is just fine.
> >>> >> >> >> >> >> >>
> >>> >> >> >> >> >> >> > Sorry, forgot one more.  Should I be calling
> >>> >> >> >> >> >> >> > vtkGlobalJavaHash.GC()
> >>> >> >> >> >> >> >> > from
> >>> >> >> >> >> >> >> > the event dispatch thread?
> >>> >> >> >> >> >> >> > I saw that as an option in vtkJavaGarbageCollector,
> >>> >> >> >> >> >> >> > and
> >>> >> >> >> >> >> >> > I'm
> >>> >> >> >> >> >> >> > not
> >>> >> >> >> >> >> >> > sure
> >>> >> >> >> >> >> >> > why
> >>> >> >> >> >> >> >> > that's the case.
> >>> >> >> >> >> >> >>
> >>> >> >> >> >> >> >> This totally depend on your VTK code, if you insure
> that
> >>> >> >> >> >> >> >> all
> >>> >> >> >> >> >> >> the
> >>> >> >> >> >> >> >> call
> >>> >> >> >> >> >> >> you are doing on the VTK layer is done through the
> EDT,
> >>> >> >> >> >> >> >> then
> >>> >> >> >> >> >> >> you
> >>> >> >> >> >> >> >> should, otherwise you shouldn't. (This is a
> requirement
> >>> >> >> >> >> >> >> if
> >>> >> >> >> >> >> >> the
> >>> >> >> >> >> >> >> data
> >>> >> >> >> >> >> >> is
> >>> >> >> >> >> >> >> shown in a renderer.)
> >>> >> >> >> >> >> >>
> >>> >> >> >> >> >> >> Seb
> >>> >> >> >> >> >> >
> >>> >> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >> >
> >>> >> >> >> >
> >>> >> >> >> >
> >>> >> >> >
> >>> >> >> >
> >>> >> >
> >>> >> >
> >>> >
> >>> >
> >>
> >>
> >
>
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