forums.naturalpoint.com

Posted: **Mon Sep 23, 2013 12:36 pm**

We are currently using matlab codes provided by Glen Lichtwark. We came with a problem. Every first time we try to run the TT_Tools_demo on the Matlab, it is working. But once we want to run it in the second time, it just crushes. Error manager shows that something is wrong because of "Segmentation violation detected". We want to know how to run the codes in multiple times without killing the Matlab over and over again.
The folowing code is the error message.

Code: Select all

------------------------------------------------------------------------
       Segmentation violation detected at Mon Sep 23 15:30:56 2013
------------------------------------------------------------------------

Configuration:
  Crash Decoding  : Disabled
  Default Encoding: windows-1252
  MATLAB Root     : C:\Program Files (x86)\MATLAB\R2011b
  MATLAB Version  : 7.13.0.564 (R2011b)
  Operating System: Microsoft Windows 7
  Processor ID    : x86 Family 6 Model 12 Stepping 3, GenuineIntel
  Virtual Machine : Java 1.6.0_17-b04 with Sun Microsystems Inc. Java HotSpot(TM) Client VM mixed mode
  Window System   : Version 6.1 (Build 7601: Service Pack 1)

Fault Count: 1



Abnormal termination:
Segmentation violation

Register State (from fault):
  EAX = 50b20020  EBX = 38cda550
  ECX = 3071aa80  EDX = 3eff692c
  ESP = 009da7e4  EBP = 009da818
  ESI = 0d2f22bc  EDI = 234fc1f8
 
  EIP = 3eff692c  EFL = 00210293
 
   CS = 00000023   DS = 0000002b   SS = 0000002b
   ES = 0000002b   FS = 00000053   GS = 0000002b


Stack Trace (from fault):
[  0] 0x3eff692c C:\Program Files (x86)\MATLAB\R2011b\bin\win32\MATLAB.exe+1056925996 ???+10316924
[  1] 0x50282338 C:\Program Files\OptiTrack\Motive\lib\NPTrackingTools.dll+00533304 ( cTTAPIListener::operator=+510600 )
[  2] 0x505c269e C:\Program Files\OptiTrack\Motive\lib\NPTrackingTools.dll+03942046 ( TT_Initialize+236110 )
[  3] 0x505c319b C:\Program Files\OptiTrack\Motive\lib\NPTrackingTools.dll+03944859 ( TT_Initialize+238923 )
[  4] 0x50588c9c C:\Program Files\OptiTrack\Motive\lib\NPTrackingTools.dll+03706012 ( TT_Initialize+000076 )
[  5] 0x70ced9ad C:\Program Files (x86)\MATLAB\R2011b\bin\win32\libmwcli.dll+00055725 ( callfcn+000029 )
[  6] 0x70ce8bc8 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\libmwcli.dll+00035784 ( ExportableDataType::getBaseDataType+017976 )
[  7] 0x70ce8ef2 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\libmwcli.dll+00036594 ( ExportableDataType::getBaseDataType+018786 )
[  8] 0x70ceb175 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\libmwcli.dll+00045429 ( MLInitialize_libmwcli+003013 )
[  9] 0x70cecb43 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\libmwcli.dll+00052035 ( MLInitialize_libmwcli+009619 )
[ 10] 0x70ceccb1 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\libmwcli.dll+00052401 ( MLInitialize_libmwcli+009985 )
[ 11] 0x7208ea8c C:\Program Files (x86)\MATLAB\R2011b\bin\win32\m_dispatcher.dll+00060044 ( mdLogging::log_function_exit+000108 )
[ 12] 0x7208e561 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\m_dispatcher.dll+00058721 ( Mfunction_handle::dispatch+000401 )
[ 13] 0x0218ac96 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\m_interpreter.dll+00502934 ( inDestroyWS+247110 )
[ 14] 0x02117165 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\m_interpreter.dll+00029029 ( inGetFunctionHandleInterface+021493 )
[ 15] 0x0218909f C:\Program Files (x86)\MATLAB\R2011b\bin\win32\m_interpreter.dll+00495775 ( inDestroyWS+239951 )
[ 16] 0x02196807 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\m_interpreter.dll+00550919 ( inDestroyWS+295095 )
[ 17] 0x02196922 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\m_interpreter.dll+00551202 ( inDestroyWS+295378 )
[ 18] 0x021762c7 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\m_interpreter.dll+00418503 ( inDestroyWS+162679 )
[ 19] 0x021782cc C:\Program Files (x86)\MATLAB\R2011b\bin\win32\m_interpreter.dll+00426700 ( inDestroyWS+170876 )
[ 20] 0x02168989 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\m_interpreter.dll+00362889 ( inDestroyWS+107065 )
[ 21] 0x7208ec53 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\m_dispatcher.dll+00060499 ( Mfh_file::dispatch_fh+000403 )
[ 22] 0x7208e686 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\m_dispatcher.dll+00059014 ( Mfunction_handle::dispatch+000694 )
[ 23] 0x0218ac96 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\m_interpreter.dll+00502934 ( inDestroyWS+247110 )
[ 24] 0x02117165 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\m_interpreter.dll+00029029 ( inGetFunctionHandleInterface+021493 )
[ 25] 0x0218909f C:\Program Files (x86)\MATLAB\R2011b\bin\win32\m_interpreter.dll+00495775 ( inDestroyWS+239951 )
[ 26] 0x02196807 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\m_interpreter.dll+00550919 ( inDestroyWS+295095 )
[ 27] 0x02196922 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\m_interpreter.dll+00551202 ( inDestroyWS+295378 )
[ 28] 0x021762c7 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\m_interpreter.dll+00418503 ( inDestroyWS+162679 )
[ 29] 0x021782cc C:\Program Files (x86)\MATLAB\R2011b\bin\win32\m_interpreter.dll+00426700 ( inDestroyWS+170876 )
[ 30] 0x02168989 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\m_interpreter.dll+00362889 ( inDestroyWS+107065 )
[ 31] 0x7208ec53 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\m_dispatcher.dll+00060499 ( Mfh_file::dispatch_fh+000403 )
[ 32] 0x7208e686 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\m_dispatcher.dll+00059014 ( Mfunction_handle::dispatch+000694 )
[ 33] 0x021dba06 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\m_interpreter.dll+00834054 ( inAnonymousFunction+001046 )
[ 34] 0x021e6bcf C:\Program Files (x86)\MATLAB\R2011b\bin\win32\m_interpreter.dll+00879567 ( init_cleaner+001119 )
[ 35] 0x021e76e9 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\m_interpreter.dll+00882409 ( init_cleaner+003961 )
[ 36] 0x021e76c5 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\m_interpreter.dll+00882373 ( init_cleaner+003925 )
[ 37] 0x021e7680 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\m_interpreter.dll+00882304 ( init_cleaner+003856 )
[ 38] 0x021cabe4 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\m_interpreter.dll+00764900 ( inCallFcn+002052 )
[ 39] 0x021e2cb0 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\m_interpreter.dll+00863408 ( inTerminate+007552 )
[ 40] 0x021e2cf9 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\m_interpreter.dll+00863481 ( inTerminate+007625 )
[ 41] 0x021e2d1e C:\Program Files (x86)\MATLAB\R2011b\bin\win32\m_interpreter.dll+00863518 ( inEvalCmdWithLocalReturn+000030 )
[ 42] 0x7e1ccf73 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\libmwbridge.dll+00053107 ( mnDebugPrompt+000163 )
[ 43] 0x7e1ce61e C:\Program Files (x86)\MATLAB\R2011b\bin\win32\libmwbridge.dll+00058910 ( mnParser+000478 )
[ 44] 0x020951e3 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\mcr.dll+00217571 ( mcrInstance::mnParser_on_interpreter_thread+000051 )
[ 45] 0x02078fc2 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\mcr.dll+00102338 ( DepfunRules::postWarning+027282 )
[ 46] 0x0207a345 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\mcr.dll+00107333 ( DepfunRules::postWarning+032277 )
[ 47] 0x0207a3c6 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\mcr.dll+00107462 ( DepfunRules::postWarning+032406 )
[ 48] 0x74e0a509 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\uiw.dll+00304393 ( UIW_IsUserMessage+000121 )
[ 49] 0x74e0aabe C:\Program Files (x86)\MATLAB\R2011b\bin\win32\uiw.dll+00305854 ( ws_ProcessPendingEventsWaitForWindows+000286 )
[ 50] 0x756b8336                     C:\Windows\syswow64\USER32.dll+00164662 ( RemovePropA+000178 )
[ 51] 0x756a80a9                     C:\Windows\syswow64\USER32.dll+00098473 ( GetUserObjectInformationW+000065 )
[ 52] 0x756a8ba1                     C:\Windows\syswow64\USER32.dll+00101281 ( RegisterClassW+000316 )
[ 53] 0x7797010a                      C:\Windows\SysWOW64\ntdll.dll+00065802 ( KiUserCallbackDispatcher+000046 )
[ 54] 0x74debd04 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\uiw.dll+00179460 ( UIW_SetCurrentDialog+000564 )
[ 55] 0x74debd5f C:\Program Files (x86)\MATLAB\R2011b\bin\win32\uiw.dll+00179551 ( UIW_SetCurrentDialog+000655 )
[ 56] 0x74e0ba95 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\uiw.dll+00309909 ( ws_FreeSystemFont+000485 )
[ 57] 0x037762e7 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\libuij.dll+00156391 ( sysq::ws_ppeHook::~ws_ppeHook+007015 )
[ 58] 0x037769bc C:\Program Files (x86)\MATLAB\R2011b\bin\win32\libuij.dll+00158140 ( sysq::ws_ppeHook::~ws_ppeHook+008764 )
[ 59] 0x03777943 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\libuij.dll+00162115 ( svWS_CommitDatabaseUpdates+002051 )
[ 60] 0x0377816b C:\Program Files (x86)\MATLAB\R2011b\bin\win32\libuij.dll+00164203 ( svWS_CommitDatabaseUpdates+004139 )
[ 61] 0x03778366 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\libuij.dll+00164710 ( svWS_CommitDatabaseUpdates+004646 )
[ 62] 0x0377844a C:\Program Files (x86)\MATLAB\R2011b\bin\win32\libuij.dll+00164938 ( svWS_CommitDatabaseUpdates+004874 )
[ 63] 0x037785b2 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\libuij.dll+00165298 ( UIJ_WS_ProcessPendingEvents+000018 )
[ 64] 0x0207b0ee C:\Program Files (x86)\MATLAB\R2011b\bin\win32\mcr.dll+00110830 ( DepfunRules::postWarning+035774 )
[ 65] 0x0207b346 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\mcr.dll+00111430 ( DepfunRules::postWarning+036374 )
[ 66] 0x0207b66c C:\Program Files (x86)\MATLAB\R2011b\bin\win32\mcr.dll+00112236 ( DepfunRules::postWarning+037180 )
[ 67] 0x0207c8d6 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\mcr.dll+00116950 ( mcr_invoke_on_interpreter_thread+001014 )
[ 68] 0x00046242 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\MATLAB.exe+00025154 ( ???+000000 )
[ 69] 0x00046305 C:\Program Files (x86)\MATLAB\R2011b\bin\win32\MATLAB.exe+00025349 ( ???+000000 )
[ 70] 0x000463cd C:\Program Files (x86)\MATLAB\R2011b\bin\win32\MATLAB.exe+00025549 ( ???+000000 )
[ 71] 0x000467ad C:\Program Files (x86)\MATLAB\R2011b\bin\win32\MATLAB.exe+00026541 ( ???+000000 )
[ 72] 0x758d336a                   C:\Windows\syswow64\KERNEL32.dll+00078698 ( BaseThreadInitThunk+000018 )
[ 73] 0x77999f72                      C:\Windows\SysWOW64\ntdll.dll+00237426 ( RtlInitializeExceptionChain+000099 )
[ 74] 0x77999f45                      C:\Windows\SysWOW64\ntdll.dll+00237381 ( RtlInitializeExceptionChain+000054 )



If this problem is reproducible, please submit a Service Request via:
    http://www.mathworks.com/support/contact_us/

A technical support engineer might contact you with further information.

Thank you for your help.** This crash report has been saved to disk as C:\Users\RE-TOU~1\AppData\Local\Temp\matlab_crash_dump.1244-1 **

Posted: **Tue Sep 24, 2013 10:09 am**

Hello,

Thank you for posting on the forums. I will look into this and have a reply for you shortly.

Best Regards,

Posted: **Wed Sep 25, 2013 9:27 am**

Hello,

Thank you for your patience. Unless you need direct application control via the API, NatNet would be a simpler and more durable way to get your data into MATLAB in real-time. Is there any particular reason you would need to use the API over NatNet?

Best Regards,

Posted: **Wed Sep 25, 2013 11:21 am**

NaturalPoint-Dustin wrote:Hello,

Thank you for your patience. Unless you need direct application control via the API, NatNet would be a simpler and more durable way to get your data into MATLAB in real-time. Is there any particular reason you would need to use the API over NatNet?

Best Regards,

Thank you for your reply, we have found the problem. Matlab crashes when the program try to run the following code: "calllib('NPTrackingTools', 'TT_Initialize'); " for the second time after we successfullly run it for the first time. Is there a possibility that the library's function has something wrong. By the way, we try to run the program(provided by Glen Lichwark in 2010) on Matlab 2011b (32bits) and use the library from Motive 1.0.2. Thank you.

Posted: **Thu Sep 26, 2013 4:56 pm**

Hello,

Thank you for the status update. Glad everything is working for you.

Regards,

Posted: **Thu Nov 07, 2013 3:16 pm**

Dear Dustin,

Thank you for your help, it has been very useful so far. We were wondering if there is a way to stream a single marker data (without defining a rigid body) to MATLAB using NATNET. We want to track the position of a single marker in real time and we still cannot figure out the way to do it and even if it's possible.

We appreciate your time

Best regards

Posted: **Thu Nov 21, 2013 5:11 pm**

Hello,

You could use the NatNet/MatLab example, which shows how to get streaming data into MatLab via the NatNet C# wrapper assembly. This is found in the NatNet SDK.

Posted: **Thu Jun 11, 2015 1:40 pm**

Every first time we try to run the TT_Tools_demo on the Matlab, it is working. But once we want to run it in the second time, it just crushes. Error manager shows that something is wrong because of "Segmentation violation detected".

Thank you for your reply, we have found the problem. Matlab crashes when the program try to run the following code: "calllib('NPTrackingTools', 'TT_Initialize'); " for the second time after we successfullly run it for the first time. Is there a possibility that the library's function has something wrong.

I realize that this is an old post, but it didn't actually look like there was actually a resolution to the problem, and I ran into the same issue using the NatNet SDK 2.7 using 64-bit Matlab (2013a) and Motive 1.7.5 (also 64-bit). I am broadcasting a single rigid body from one computer running Motive, set up for unicast broadcasting, and my Matlab client is running on a second computer. If I run the sample client that is included with the SDK, but modified for the appropriate network addresses and unicast, it runs fine once, but the second time it often fails with a segmentation violation and Matlab has to be shut down. Sometimes it would run several times, but it would always crash eventually. The client that I built that was based heavily on the Matlab sample client would only run once, and would always crash the second time. Finally, I discovered that what was missing was a

Code: Select all

theClient.Uninitialize

command at the end. I have not seen a segmentation violation with either the SDK's Matlab sample or with my own client since adding that command.

Posted: **Fri Jun 12, 2015 10:56 am**

Hello et1234,

Thank you, very much, for sharing this information publicly.
You are absolutely correct; running the TT_initialize a second time will cause the application to fail.

I hope others will be able to find your detailed description of the solution to this problem.

Cheers,
Steven
--
Steven Andrews
OptiTrack | Customer Support Engineer

Posted: **Thu Jul 30, 2015 9:19 am**

Hello,

I have a comparable problem (i am running motive 1.8.0 Beta 1 version (64-bit) on a HP Elitebook labtop 8560w (CPU Intel i7 2630-QM 2.00 GHz, 8 Go RAM), windows 7 professional (SP 1), and matlab R2013-a version, and NatNetSDK 2.7,

Everything works fine with Motive (sampling rate 360 fps).

I am using NatNet matlab sample (FrameReady mode) in a batch mode (streaming rigid body data to matlab for 7 seconds duration interleaved with 5s of 'rest' -no streaming- periods) for N successive takes (Data are stored take by take, only in Matlab),
theClient is unitialized correctly after each take,

My problem is that matlab crashes randomly (it can be after 2, 50 or 60 iterations/takes),
When debugging, I have increased the streaming duration to 80 seconds, and here matlab always crashes at the second iteration,
memory does not seem to be an issue as the memory used by Matlab from iteration to iteration never exceeds 1 500 Mo,
I also set my network card properties to max values ('Speed and Duplex' option...), but still crashes...

Yesterday for the first time, I had a blue screen ... so I would be really grateful if someone can help,

Below are two error messages (the typical one from Matlab, and the one I get after bluescreen event)

sorry for this long post, and THANKS for your help !

HalH

BlueScreen (windows) Error message:

Signature du problème :
Nom d’événement de problème: BlueScreen
Version du système: 6.1.7601.2.1.0.256.48
Identificateur de paramètres régionaux: 1036

Informations supplémentaires sur le problème :
BCCode: a
BCP1: FFFFFA800C838010
BCP2: 0000000000000002
BCP3: 0000000000000001
BCP4: FFFFF800031450B6
OS Version: 6_1_7601
Service Pack: 1_0
Product: 256_1

Fichiers aidant à décrire le problème :
C:\Windows\Minidump\072915-10717-01.dmp
C:\Users\Administrateur\AppData\Local\Temp\WER-21340-0.sysdata.xml

Lire notre déclaration de confidentialité en ligne :
http://go.microsoft.com/fwlink/?linkid= ... cid=0x040c

Si la déclaration de confidentialité en ligne n’est pas disponible, lisez la version hors connexion :
C:\Windows\system32\fr-FR\erofflps.txt

MATLAB Error Message:

MATLAB crash file:C:\Users\ADMINI~1\AppData\Local\Temp\matlab_crash_dump.5484-1:

------------------------------------------------------------------------
(unknown signal) detected at Mon Jul 27 11:35:45 2015
------------------------------------------------------------------------

Configuration:
Crash Decoding : Disabled
Default Encoding : windows-1252
MATLAB Architecture: win64
MATLAB Root : C:\Program Files\MATLAB\R2013a
MATLAB Version : 8.1.0.604 (R2013a)
Operating System : Microsoft Windows 7
Processor ID : x86 Family 6 Model 42 Stepping 7, GenuineIntel
Virtual Machine : Java 1.6.0_17-b04 with Sun Microsystems Inc. Java HotSpot(TM) 64-Bit Server VM mixed mode
Window System : Version 6.1 (Build 7601: Service Pack 1)

Fault Count: 1

Abnormal termination:
(unknown signal)

Register State (from fault):
RAX = 000000014319b28d RBX = 0000000000000001
RCX = 0000000134bcf070 RDX = 0000000000000128
RSP = 0000000134bcf680 RBP = 0000000003cbe614
RSI = 0000000134bcf7e8 RDI = 0000000000000005

R8 = 0000000000000000 R9 = 0000000000000000
R10 = 0000000000000000 R11 = 0000000134bcf6c0
R12 = 0000000000004000 R13 = 0000000000000001
R14 = 00000000e0434352 R15 = 0000000003cbe614

RIP = 000007fefc55b3dd EFL = 00000206

CS = 0033 FS = 0053 GS = 002b

Stack Trace (from fault):
[ 0] 0x000007fefc55b3dd C:\Windows\system32\KERNELBASE.dll+00046045 RaiseException+00000061
[ 1] 0x000007fee9065294 C:\Windows\Microsoft.NET\Framework64\v4.0.30319\clr.dll+01397396 CopyPDBs+00039552
[ 2] 0x000007fee939f33f C:\Windows\Microsoft.NET\Framework64\v4.0.30319\clr.dll+04780863 TranslateSecurityAttributes+00122879
[ 3] 0x000007fee93fa1df C:\Windows\Microsoft.NET\Framework64\v4.0.30319\clr.dll+05153247 TranslateSecurityAttributes+00495263
[ 4] 0x000007fee80fd4fd C:\Windows\assembly\NativeImages_v4.0.30319_64\mscorlib\701f2b79b02a02beba70e50bb2edb212\mscorlib.ni.dll+20632829
[ 5] 0x000007fe89a19d40 <unknown-module>+00000000
[ 6] 0x000007fe89a99668 <unknown-module>+00000000
[ 7] 0x000007fe89a137e1 <unknown-module>+00000000
[ 8] 0x000000012486e388 <unknown-module>+00000000
[ 9] 0x000007fee8f146b9 C:\Windows\Microsoft.NET\Framework64\v4.0.30319\clr.dll+00018105
[ 10] 0x000007fe89a1375f <unknown-module>+00000000
[ 11] 0x000000007deb2d80 <unknown-module>+00000000
[ 12] 0x0000000006540278 <unknown-module>+00000000
[ 13] 0x0000000006546650 <unknown-module>+00000000
[ 14] 0x000000000654028c <unknown-module>+00000000
[ 15] 0x3dd6dc1e00000001 <unknown-module>+00000000
[ 16] 0x3de82bbc3e17e88a <unknown-module>+00000000
[ 17] 0xbc54bbf6bd1f91f4 <unknown-module>+00000000
[ 18] 0x3f7f2f91bd8bdfe9 <unknown-module>+00000000
[ 19] 0x000000000000000a <unknown-module>+00000000
[ 20] 0x00000001247e7d80 <unknown-module>+00000000
[ 21] 0x00000001301b5bc0 <unknown-module>+00000000
[ 22] 0x00000001301b3ee0 <unknown-module>+00000000
[ 23] 0x000000013a759ddb <unknown-module>+00000000
[ 24] 0x0000000000000028 <unknown-module>+00000000
[ 25] 0x00000000065302a8 <unknown-module>+00000000
[ 26] 0x00000000777ffba8 C:\Windows\SYSTEM32\ntdll.dll+00326568 RtlAllocateHeap+00000232

If this problem is reproducible, please submit a Service Request via:
http://www.mathworks.com/support/contact_us/

A technical support engineer might contact you with further information.

Thank you for your help.

forums.naturalpoint.com

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