Ton Plomp
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Posts posted by Ton Plomp
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Yes, you can just insert the JSON string into an UDP sent block. Have a look at the UDP examples (under help) how you could connect to another device via UDP.
Without your code and/or error codes it's pretty hard to tell what' s going wrong. (first start, can you ping the device?)
Ton
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How do you open the VI?
If you have a deamon application that connects to your LabVIEW via VI Server (I would give each LV instance it's own TCP/IP port), and then use the Open VI Reference node it should not display the dialogue per default.
Ton
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What version of LabVIEW are you using?
Ton
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Perhpaps you need the correct capitalization? Linux (in general) is capital aware while Windows is not.
If I look at a windows LabVIEW.exe it has the following string somewhere in the binary file: allowMultipleInstances so you might need to CamelCase your INI key.
I'd test:
AllowMultipleInstances
allowMultipleInstances
And I'd test it with different spellings of False/false/FALSE
Ton
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I think it is because the GrapChart also covers some 3d graphing objects:
(source: http://zone.ni.com/reference/en-XX/help/371361K-01/lvprop/propmeth_class_hierarchy/)
Ton
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How did you resolve it? I have a feeling you wanted controls instead of indicators..
Ton
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Here's a trimmed down version of the error (http://i.imgur.com/PY0Masp.png).
The fix by james (1.1.3.21) fixes this issue
However it's similar for Complex Singles and Complex Doubles. This is fixed in commit d966584f2b63 (not build yet).
James: could you add Tag's after building the project?
Last issue is with FXP's.
I don't understand them well enough to have a good idea how to represent them in JSON...
Ton
Apparently if the first instance of an array is empty, something goes wrong. I haven't been able to pinpoint it. However the variant we return from 'From JSON' has the correct number of elements (see Variant out).
I can understand a little bit how this happens.
Finding a fix might be harder.
Ton
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Hi All,
I would like to announce the setup of a LAVAg group on Bitbucket. This will provide us with an easy-to-start collaboration platform. Any member of the group can create repositories for open source projects.
The first repository in this group is the JSON LabVIEW API.
My goal is to have a groups of repositories of code that are valuable to us all. By moving the repositories into a group it removes the link to a person on the code. Now the code is owned by the group and the value reflects on the LAVA community.
If you want to join the group (or co-admin) drop me a message on LAVA or Bitbucket
I hope this will give our company a boost in cooperation and code development!
Have fun,
Ton
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One of the issues you might run into is that you develop your libraries in production.I Would try to develop the libraries in separate projects that have a build result (vip or llb) that can be used in other projects. Active relative paths into the libraries source is a nono IMHO.
Ton
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One of the issues you might run into is that you develop your libraries in production.I Would try to develop the libraries in separate projects that have a build result (vip or llb) that can be used in other projects. Active relative paths into the libraries source is a nono IMHO.
Ton
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Mercurial has a 'move' functionality (which can be the actual rename action OR be a post-rename book-keeping exercise), in the UI environment of TortoiseHG it will give you an educated guess of the renamed files.
Ton
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I get an error stating that ther is an error on the script, and a message from Google that there is no API key.
Otherwise it looks promising. Especially if you move it into an XControl with methods to add data!
Ton
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One thing you need to be wary with SVN, is that you need to be connected to the server if you want to check in your code.
By using a DVCS you can check in without being connected. Upon committing to the central server you will perform a merge.
Ton
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Would it work to place the CTLs in a VI and name it a .ctl? I think LabVIEW checks the actual datatype independent of the file extension.
Regards,
Ton
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I have noticed that a symlinked folder in a library where the symlink target does not exist (non-available network folder) can cause browse dialogs to load slower.
Ton
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I have noticed the same recently.
One small detail that is quite strange, if the clipboard contains text, you get an image of the text back.
I'll try to install 2013 in the next few days, to see if it's fixed.
EDIT:
retested with LV 2013, still broken
Ton
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Scan from string (%x)
(format string of output 1 is 0x%x 0d%d)
Ton
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You can use the Mouse Input VIs like this:
Ton
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I went over the code by Stinus, and it looks good and valid.
One of the open points in the code is retrieving attributes of waveforms. My proposal is to return each attribute as it's raw JSON string (indicated by a .JSON extension):
Any other ideas?
Ton
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You can get the size of the monitors (it's a application property) and then resize the window to fit the monitor.
Ton
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Hi Manual,
thanks for the report, the last commit by James should be fixing this.
Shaun, I haven't seen this, by using a quite large JSON set, and parsing it twice in parallel, both methods can the same time.
Regards,
Ton
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Sorry my memory is mixing up projects.
Ton
[LVTN] Code Capture Tool
in End User Support
Posted
Sorry guys.
I had a chat with JKI about this, and there is a fix available for VIPM, or the OGP that Yair posted. I'll see if I can get the version updated soon.
Yes the move to New Zealand had been of quite an impact and I moved out of the LabVIEW world, moving to PLCs and SCADAs at an Aluminium Smelter. Working with different technologies has shown me the strengths of LabVIEW and weaknesses. However I can tell that the programming language LabVIEW is far superior to any of the PLC languages i've been working with so far.
Cheers,
Ton