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QFang

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QFang last won the day on April 19 2015

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About QFang

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    LAVA groupie

LabVIEW Information

  • Version
    LabVIEW 2015
  • Since
    2005
  1. Is this still the 'best' way to do this? NI claims that the functionality of the "Windows Message Queue library" has been superseded by VI Server, but if it has, I'm blind as to how exactly it has? I'm a bit perplexed as I figured adding support for drag-dropping files from explorer into e.g. a graph indicator was as simple as handling the drag-drop event for a given control element, yet, when I created such an event, I found that dragging (a file) from explorer to the graph or chart indicator resulted in the mouse-cursor changing to the 'not allowed' traffic sign, and the drop event ne
  2. I install version 2.4.1 using VIPM, it shows up in LabVIEW under right-click custom probes, but when I try to place the probe it will say "cannot load the custom probe".. I've tried un-installing and re-installing the package. It worked once upon a time, and it would be really super useful right now. :/ Any ideas what I could try? Win7 pro (64bit) LabVIEW 2013 SP1 (32 bit) no other versions installed currently.
  3. Thank you for making and sharing this. I found the explanations very helpful. My big complaint right now is that I'm incredibly hungry and its only 11am... Thanks!! Q
  4. Thanks Tim, I will try the log file class: Just one question there: it needs information from the (not yet developed) configuration class/cluster. Should this data be passed as an argument into the method(s) along with data to update the log file with, or should this information be retrieved by calling a method of the not yet developed configuration class internally? It seems it would be cleaner to obtain this inside of the object. Is that the correct way to think of it?
  5. This sounds like a great idea. Currently there is an array of "super-cluster" that contains all the information needed for each "channel" by the "engine" in the current software. The engine (in current software) is a queued state machine that is passed an array of all configured/active channels for one instrument. The QSM iterates over the super-clusters passed to it when idle and handles top-level requests for data etc. in between. The super-cluster however, currently contains about 44 various data elements grouped in sub-clusters. Some elements are arrays themselves. In its current form, si
  6. Sounds like a good suggestion. I've noticed in tutorials and examples for LVOOP that multiple projects are common.. They still sort of blow my mind. I'm re-working through some NI "draw-along" exercises to pick up a better understanding of this. And yes, the Whiteboard is a great idea. As far as the 10k overview, I'm almost done creating pseudo flow charts of the various components and functions that exist in the current code base. I've already spotted several places were things are more complect (intertwined) than they need to be. I'll keep learning and trying out things on a smaller scale
  7. Yes, I do feel a little overwhelmed. Thanks for taking the time to reply to my I think perhaps what has been causing some of the confusion on my end has been my brains desire to think of the classes and objects as complete programs unto themselves, instead of as "sub-vi" building blocks that together make up a complex program. My opening heading still applies though: where to draw the line (in the sand so to speak)? Using an arbitrary instrument as an example and from your statement, the instrument would be a class, but it would also have other (unrelated) classes "inside" of it, right? So
  8. Hi Background: I'm diving into this "OOP" stuff right now. My background is NOT CS (Computer Science) but instead electronics and aerospace design. Diving into the deep end of the pool, I'm still in that happy ignorant state of "this is fun" right before I'm realizing I can't swim and that I might drown, or that I can probably stay afloat, but I'm not at all sure what direction I need to swim in to get to shore, or to get to friendly shores... you get the picture I'm sure. (That said, I'm very familiar with "standard" LabVIEW, including RT and FPGA, and have worked full time with LabVIEW for
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