LABVIEW FOR LINUX

Hello,
Presently i am a user of labVIEW 7.1 and 8.2.1 windows version.
and also working on following hardware.
SCXI-1001 12 chassis,
SCXI-1125,SCXI-1124,SCXI-1160,SCXI-1162,PXI-1001,PXI-6251,PXI-6602,USB
1600,USB 6602,PXI-1044,PXI-6133,PXI-8187,PXI-9257.
since i am facing the problem of virus and sudden restarting of system,I am planning to switch over to linux version of linux.
what is ur comment on my deceision?
which version of linux OS will support all above mentioned products.
what are the other advantages i can get from LINUX version?.
Wil i get full programming help as available in windows?
Can we easily learn the programming by reding the help?

Hello chandhuu,
Most of your hardware will be supported except for the USB devices. The readme file for DAQmx 8.0 for Linux lists which devices are supported and by which Linux OS.
The LabVIEW 8.5 readme file for Linux would also be helpful, along with this KnowledgeBase article, which lists which Linux OS versions support National Instruments software and drivers. You will find that programming in LabVIEW for Linux is basically the same as in Windows, so you shouldn't have any trouble switching over if you are familiar with Linux and with LabVIEW. Personally, I am not too familiar with Linux so I feel much more comfortable with LabVIEW for Windows. What about just having a dedicated Windows PC that you can take off the network and use with LabVIEW so that you don't have to worry about viruses?
Regards,
Clint M
National Instruments

Similar Messages

Font Smoothing in LabView for Linux

Hello,
I was wondering if anyone has been able to get their fonts in LabView for Linux to be either smoothed using Gnomes subpixel smoother for LCDs, or any other type of anti-aliasing. I currently can use truetype fonts in LabView, and for the most part they do look pretty decent.. btu they are not smoothed at all. Every single application I have loaded has smooth fonts other than LabView. Please let me know if anyone has managed to get this working... and if so, how.
I am currently using Gentoo with all of my packages updated less than a month ago, with LabView 8.2
Thanks for any info!

Unfortunately, we do not support fonts on your operating system. Hopefully another customer is more familiar with this.
Message Edited by Support on 10-04-2007 01:33 PM
Charlie M. CLD

In LabVIEW for Linux, cannot link to a shared library file (.so).

Hello all,
I'm having trouble using the Call Library Function Node within LabVIEW for Linux (using Ubuntu). I can configure my Node correctly, and it sees the available function within it with all the proper parameters, but when I close the Call Library Function dialog box it does a quick search and asks me to Find the Shared Library Named "mySharedLibraryName." If I select it again, it merely repeats this over and over until I cancel. Has anyone seen this before or know what is causing this? The .so file was compiled using gcc++ - is there anything specific that should have been included (does it need a header file)? Could some missing file be causing this?
Thanks,
Jason

The elf shared library format is a supported feature of all Linux distributions since about Linux 1.0 or earlier. So it is not really an issue that Ubuntu wouldn't support shared libraries as used by the LabVIEW Call Library Node. Since the Call Library Node seems to be able to see the exported functions during selection of the function it also doesn't seem to be a problem with proper export of the symbols.
This leaves over some dependencies of the shared library on some other shared libraries including C runtime libraries. Was the shared library compiled on the system you try to use it? If not you may have an incompatibility of the C runtime library version used on the system that was used to compile the shared library and your Ubuntu system you try to load it.
Rolf Kalbermatter
CIT Engineering Netherlands
a division of Test & Measurement Solutions

Is there a Labview for Linux

Dear friends,
I just know that there is a Labview for Linux. I have a Labview for
Window. I dont the Labview for Linux is free. Can anyone tell me how
much it should be? Does it have an educational discount?
Thanks
Tony Cheng (EE Dept. of City University of Hong Kong)
email :[email protected]

There is a LabVIEW of Linux. The NI online catalogue has the pricing info
etc and you can find it at: www.ni.com/catalog, for LabVIEW for Linux I was
taken to this page:: http://sine.ni.com/apps/we/nioc.vp?pc=bymn〈=US&cid=1382&p_0=Linux&x=26&y=10
Cheers,
Kamran
Cheng Lee Lung wrote:
>Dear friends,>>I just know that there is a Labview for Linux. I have a Labview
for>Window. I dont the Labview for Linux is free. Can anyone tell me how>much
it should be? Does it have an educational discount?>Thanks>>Tony Cheng (EE
Dept. of City University of Hong Kong)>email :[email protected]>>

Is there a way to use Labview for Linux for IBM AIX 5.1.

I think any application built for linux can run on the AIX 5.1 if the application is recompiled on the AIX 5.1. So theoretically NI can just recompile there Linux version of Labview on the AIX 5.1 and it will work. Is there a possibility that NI will port Labview for AIX 5.1.

I think that the use of LabVIEW for linux is platform independent as far as hardware. I believe that as long as you are running a compatible GUI (I believe XWindows and KPT??? are two that are recommended - check ni.com/linux for more information. So, for your purposes, as long as you can install the proper GUI, and then LabVIEW for Linux, you can then run, code, compile, and deploy applications on the AIX 5.1.
I am personally VERY interested in knowing about your success (or failure, should that unlikelyhood occur) on Linux. If you browse the topics, there is actually one on non-windows useage of LabVIEW. I am currently setting up my first Linux machine at my home office, and am very curious to know how other people do with this 'adventure into unc
harted territory'. The only documented useage I have seen is in Gary Johnson's newest edition of Power Programming.
Good luck, and please keep us posted. I sense that I am the only LabVIEW for Linux fan besides yourself. But please feel free to post to this thread, and to the topic.

Arial font substitution for (LabVIEW for) Linux

Hello,
as LabVIEW was not capable of keeping the font size and spacing constant when running a VI under different Windows versions, screen resolutions etc, I have never used the "application", "system" and "dialog" font options in LabVIEW but have fixed all fonts to Arial 14 pt. This worked wonderful on all Windows systems - without that unnerving problem that control lables overwrite each other and things like that (what always happened when using LabVIEWs "application" font option).
Now, when running the same VIs under LabVIEW for Linux, the font looks terrible, as there is no Arial font in Linux. Does somebody know an easy way to solve this problem without setting all fonts to "application font" in LabVIEW? For instance, any "ini file type" setting in Linux telling the operating system which font to use when Arial is not present, or any free font substitution that we could add to our installer routine that the operating system would use automatically instead of Arial?
Best regards,
Gabs

Unfortunately, your problem is a version of a generic problem faced by GUI programmers of all types - how do you handle varying system fonts? There are various solutions, based on who your customers are. You are using one of the easy ones that works well until you start doing cross-platform development. The main options are, in order or increasing complexity:
Lock the font to a specific font and size. This works well if your customers are limited to a single platform and are not visually impaired (do not want to use large fonts).
Use system fonts and allow extra space. This is a compromise that only works in most cases. Use about 50% extra for small strings and 10% - 20% for larger strings. This also gives you extra space for localization, should you need it. Visually impaired customers will run into space issues, because large fonts can be 2X or more larger than the default, system fonts. Note that the different Windows variants have different font sizes as well. Windows Vista increased default font sizes, especially for some Asian languages, such as Japanese.
Query the font size on entry into a GUI VI and rescale everything appropriately. This is hard, since it must be done for every VI with a GUI. Some system dialogs do not handle large fonts well, so you will probably end up replacing them with your own versions to get good appearance. You could probably write a system to handle this sort of scaling, but to my knowledge, no one has (please prove me wrong ). I have always used custom code when needed.
No one really does this well. Change your system font on a Windows OS to large fonts and note all the problems you run into. I would recommend option 2, unless you have a lot of extra time. Your customers will love you if you pull off option 3.
More tips to help.
Do your development on the platform with the largest system fonts. If this is not possible, change the LabVIEW system fonts of your development system to match the largest size you support. I usually develop using 13pt Verdana, since it is one of the largest of the variable spaced fonts.
Check your work by using large fonts in Windows. If it looks good there, it will probably be OK for most uses.
Good luck!
This account is no longer active. Contact ShadesOfGray for current posts and information.

VXI support under LabVIEW for Linux

A potential client contacted me regarding a small project using VXI hardware under Linux. I'm considering using LabVIEW for Linux but I'm not too clear on NI's VXI driver support and whether they have a VI library for the particular hardware. I contacted NI tech support over the phone but they didn't have any answers. BTW, I've used LV with PCI and ISA DAQ boards under Windows and Linux but I've never used VXI.
Here is the hardware in question:
PCI/VXI-MXI-2(8026) - PCI to VXI bridge
VXI-AO-48XDC - 48 channel analog output board
VXI-MIO-64XE-10 - multifunction DAQ board
Anyone know what's involved in building a LV app for this system under Linux, i.e. what's NI's HW driver and LabVIEW support?
-kevin

Kevin,
National Instruments has NI-VXI for Linux. The driver provides support for the PCI/VXI-MXI-2(8026), and VXI embedded Controllers. The NI-VXI driver also provides the programming API that will allow you to communicate with the VXI boards in your system.
You can find a KnowledgeBase that shows what versions of Linux are currently supported by NI-VXI here.
If you have never used VXI before I should note that it is different from using a PCI DAQ card. You might want to read this here which will explain a little about VXI.
The LabVIEW for Linux system requirements can be found here. I should note that LabVIEW will work on the 2.6 kernel, however since you are looking at NI-VXI you will need to use the 2.4 kernel anyway.
Hopefully this answers your question, but if you have any further questions feel free to ask!
Shawn B.
National Instruments
Use NI products on Linux? Come join the NI Linux Users Community

Help with Labview for Linux application - datalog to XML format

Hi,
I am working on an application that makes use of a PDA for instrument control and data acquisition, and all our code has been written with the use Labview PDA 8.2. The instrument data is returned wirelessly to a remote server, and one of the specifications we set early in the project was the data would be returned in XML format in line with Labview's inbuilt XML schema.
Unfortunately, this XML funtion is not available on Labview PDA! We have made a change to return the data in Labview's 'Datalog' format, and then we now intend to run an additional application on the server to convert this information to XML before passing the data to our customer's software.
We have successfully done this with Labview for windows, but our customer's server is Linux based.
Is anyone aware of someone (or a company) who would be able to take our existing 'datalog-to-XML' vi and compile it for Linux? The program is really simple, and I would hope that all the functionality we use is supported in Labview for Linux.
Thanks,
Mark

Hi Mark
LabVIEW VIs that are developed in a Windows environment can be used in a Linux version of LabVIEW. As long as the VIs have not got Windows specific features such as ActiveX or Windows dll call you can run the VI in Linux. Also there maybe some specific drivers that are not supported under the Linux environment (see link). The VI will simply be recompiled in Linux. The Linux user must have a copy of the Linux LabVIEW Development System installed though.
http://digital.ni.com/public.nsf/websearch/35D2B5E483A001A18625716B005BE464?OpenDocument
Kindest Regards
YatinM
NIUK & Ireland

Does labview for linux support 3D graphs?

I have a vi that is created on labview for windows and it has a 3D graph; now i would like to switch to labview for linux. I would like to know whether labview for linux supports 3D graph. Also is it possible to convert the existing windows based vi to linux?

Proces ENG wrote:
> I have a vi that is created on labview for windows and it has a 3D
> graph; now i would like to switch to labview for linux. I would like
> to know whether labview for linux supports 3D graph. Also is it
> possible to convert the existing windows based vi to linux?
No, the 3D graph in LabVIEW is an Active X control and therefore a
Widnows only feature. If the graphics are not to complicated you may try
to look into drawing your own 3D graphs into a picture control which
would work on any LabVIEW platform. Other than that you would have to
rely on external packages to do 3D graphics under Linux.
Rolf Kalbermatter
Rolf Kalbermatter
CIT Engineering Netherlands
a division of Test & Measurement Solutions

What LabVIEW for Linux based on ?

Whar is the way LabVIEW 7 for Linux communicate with
DAQ boards ?
Is it the same as on Windows ?
Can I write application on 'C/C++', that use only low level library that LabVIEW based on ?
It this possible on Windows with Visual C?
With LabWindows it is possible.
More precisely, I may use only NI-DAQ library and do
nothing with IDE of LabWindows.
But if I right, neither LabWindows nor NI-DAQ/NI-DAQmx is't for Linux.
I have some experience with LabWindows/CVI, but nothing
with LabVIEW.
What is principal difference between them in low level communication with DAQ boards ?
Thanks.
Andrey

AndreyCherepenko wrote:
> Whar is the way LabVIEW 7 for Linux communicate with
> DAQ boards ?
> Is it the same as on Windows ?
No! LabVIEW for Linux does not come with any DAQ libraries. There are
basically two options at this time:
You can download the NI Measurement Hardware DDK from NI and the
according LabVIEW VI libraries or you can use Comedi.
> Can I write application on 'C/C++', that use only low level library
> that LabVIEW based on ?
The NI Measurement Hardware DDK (and Comedi) is a C based interface with
precompiled binary libraries which you can use from your C/C++
application. The NI provided VI libraries allow access of that API from
within LabVIEW.
> It this possible on Windows with Visual C?
The NI Measurement Hardware DDK is also available for Windows in which
case it consists of a number of DLLs, header files and examples. They
are callable from any C application. But this DDK is in principle a low
level API which often requires you to go down to register level directly.
You can also call NI-DAQ (the API LabVIEW uses on the Windows platform)
from your C compiler, Visual C or whatever, but that API is not
available on non Windows platforms (oh well there was an old version for
MacOS and Sun Solaris but that is I don't know how many years old).
> With LabWindows it is possible.
> More precisely, I may use only NI-DAQ library and do
> nothing with IDE of LabWindows.
LabWindows just provides FrontPanels to the NI-DAQ libraries. It is not
a LabWindows implementation of NI-DAQ but instead it accesses exactly
the same libraries LabVIEW does or your own C application would.
> But if I right, neither LabWindows nor NI-DAQ/NI-DAQmx is't for Linux.
No! They aren't and except hopefully for a limited DAQmx library
probably never will be.
> I have some experience with LabWindows/CVI, but nothing
> with LabVIEW.
> What is principal difference between them in low level communication
> with DAQ boards ?
LabVIEW is a graphical programming environment whereas LabWindows CVI
uses C programming. The difference between LabWindows and a standard C
compiler is the standard built in support for many libraries used in
Test & Measurement, Data Acquisition etc, the extensive library of
graphical user interface components and the FrontPanels provided for all
the library functions. Nothing you couldn't do with a normal C compiler
nowadays, but they are very tightly integrated in CVI and generally
working together well.
As an experienced LabWindows CVI user it may be better to stay in that
environment than starting to use LabVIEW. LabVIEW is similar in what you
can do, a lot more comfortable for the casual programmer, but on the
other hand also a little patronizing in more advanced features. As much
as it is comfortable to generally not have to worry about memory
allocation and code frameworks before you even can start to implement
your first algorithme, it can get in the way when you try to do high
performance operations as you not only don't have to worry about memory
allocation but you have in fact limited and only indirect influence in
how memory is allocated.
Rolf Kalbermatter
Rolf Kalbermatter
CIT Engineering Netherlands
a division of Test & Measurement Solutions

Calling DLL on LabVIEW for Linux

I have a vi that calls a dll made with Visual C++ on windows enviroment. What are the steps for calling this same dll on Linux ? Do we need to generate another dll?

In article <[email protected]>, Labviewguru wrote:
> First, I don't know if LabVIEW for Linux can even call a DLL. I
> suspect that since this technology (as obsolete as it is, at least for
> an operating system - thank you Windows) has been adopted by Linux,
> that you can. I don't have my linux workstation on at the moment, but
> if you need to know, I can check.
>
> As for the DLL itself, I suspect you will have MAJOR problems getting
> it to work right in Linux, and that you will almost definitely have to
> rebuild it with a Linux native compiler. It sounds like you have the
> source code, so it should be a matter of just porting it over, and
> stripping out all of the platform dependent calls a
nd substituting all
> of the necessary function calls.
>
> Good luck, and please keep us up to date on your progress. Not many
> of us use Linux, and any and all information on the matter is gold.
In linuxland isn't a dll called a shared library? You'd basically have to
get the source for the dll and beat on it until it turns into a shared lib
(better still, see if you can get an already built linux library). Actually
hooking into the library from within LV should work the same in either world.
NI, by the way, has app notes on this subject. I haven't gotten around to
reading any of them yet, though.
That's my story and I'm sticking with it.

LabView for Linux - Ready?

I am setting up a research lab and would like to use linux for all my
computing needs. I was wondering how peoples experiences with LabView on
Linux have been? I would be using it to control instruments via GPIB
and to take data using DAQs. Is it stable and reliable, or is it too
early in its development to make the switch from LabView on windows? How
is NI's LabView support? Thanks for the help.
G. M. Steeves
California NanoSystems Institute
U. C. Santa Barbara

Geoffrey,
The LabVIEW for Linux FAQ page has many of the answers you are looking for.
LabVIEW for Linux is very equivalent to the Windows versions with the exception of ActiveX and NI-DAQ. Data Acquisition is supported on Linux through the Comedi. This is a third party, open souce driver that supports many of National Instruments' DAQ boards. Also, the only toolset available for Linux at this time is the Internet Toolkit. For more information go here.
Support is done at the same level as for Windows and can be done through all of the same ways.
Randy Hoskin
Applications Engineer
National Instruments
http://www.ni.com/ask

LabVIEW for Linux support on VXI hardware

A potential client contacted me regarding a small project using VXI hardware under Linux. I'm considering using LabVIEW for Linux but I'm not too clear on NI's VXI driver support and whether they have a VI library for the particular hardware. I contacted NI tech support over the phone but they didn't have any answers. BTW, I've used LV with PCI and ISA DAQ boards under Windows and Linux but I've never used VXI.
Here is the hardware in question:
PCI/VXI-MXI-2(8026) - PCI to VXI bridge
VXI-AO-48XDC - 48 channel analog output board
VXI-MIO-64XE-10 - multifunction DAQ board
Anyone know what's involved in building a LV app for this system under Linux, i.e. what's NI's HW driver and LabVIEW support?
I've purchased LV 7.1 FDS for Linux for other projects. Do I have to buy anything else? I found this link on the NI site:
http://sine.ni.com/apps/we/nioc.vp?cid=10603〈=US
-kevin
PS: Sorry for the repost. I accidentally posted this to the LabVIEW forum.

Kevin,
You will need NI-VXI/VISA for Linux part number 778131-01. Which can be found on the link you provided. The forums seemed to have removed the "〈" from the link so it is a good idea to preview your post Hopefully you have read my reply to your other post but we can continue it here if you have further questions.
Shawn B.
National Instruments
Use NI products on Linux? Come join the NI Linux Users Community

Labview for Linux Trial

Does anybody know why there is no a trial version of Labview for Linux?
I think it would be welcome by many...
Marco

I don't know why there is no trial version of LabVIEW for Linux but if you want to try one on trial, then you can contact the local sales engineer of your area and maybe he/she can help you out. To get information on the engineer, just contact your local NI office.
Adnan Zafar
Certified LabVIEW Architect
Coleman Technologies

Labview for Linux. Datasocket problem

Hello everybody,
I have a problem using datasocket connections in Labview for Linux. The problem is the starting of the connection, it's too slow. It takes around 3 or 4 seconds each connection. We are working with a lot of connections (one per Tag in a DSC code). If we test the same vi in Windows, it takes one or two seconds to open 30 connections.
What can we do?
Thanks!!

Hello again apmonte,
I attempted to recreate this behavior on a Linux machine here running a Kernel
2.6 build, but could not replicate the issue (even when I gave a file/directory
777 permissions). This could, however, be related to some issues with the
way Linux updated its file searching and directory listing functions with
Kernel 2.6. I believe that the LabVIEW 7.1.1 maintenance release/patch
fixed some of these issues. You might want to install that patch, and mass
compile the LabVIEW directory (the LabVIEW mass compile command from the
"Tools->Advanced" menu). You can find links to the patch and
a little information on it here:
http://digital.ni.com/public.nsf/websearch/AAB2D84EF29F90DA86256F4D00776E5A?OpenDocument.
Please let me know if this does not resolve this issue.
Travis
Travis M
LabVIEW R&D
National Instruments

LABVIEW FOR LINUX

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