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Application Design & Architecture

Discuss architecture design, queues, notifiers, dynamic events, dynamic VI calls, modular architectures etc. and any issues related to application design and development in LabVIEW.

1,112 topics in this forum

  1. Error "...is a member of a cycle" during simulation

    By Shleeva,
    • 14 replies
    • 5.3k views

  2. Cannot pass argument to dynamic re-entrant VI

    By RayR,
    • 14 replies
    • 4.3k views

  3. Data Value Reference Problem

    By alecjcook,
    • 2 replies
    • 2.4k views

  4. Why is indexing conditional tunnel 3x faster than shift registers

    By Jacemdom,
    • 4 replies
    • 2.7k views

  5. Do lvlib files pull all their member VIs and dependencies into memory when called?

    By Mike Le,
    • 8 replies
    • 9.4k views

  6. Do we prefer to have a cancelled output or an ok output?

    By Neil Pate,
    • 9 replies
    • 2.8k views

  7. DAQmx channels and tasks managment

    By pawhan11,
    • 2 replies
    • 3.4k views

  8. Dataflow Quirk?

    By Mechatroner,   
    • 5 replies
    • 3.5k views

  9. Architecture for stopping calculation if new data comes in

    By infinitenothing,
    • 4 replies
    • 2.3k views

  10. Proper style for passing session refnums and other similar data types in loops

    By caleyjag,   
    • 9 replies
    • 6k views

  11. Measurement Utility

    By Perj62,   
    • 1 reply
    • 2.9k views

  12. Action Engines... are we still using these? 1 2 3 4

    By Neil Pate,
    • 81 replies
    • 20.6k views

  13. How to get a Remote GPRS Terminal IP address?

    By Alexleung,   
    • 1 reply
    • 1.9k views

  14. Connecting a GUI with the main loop

    By Felipe,
    • 9 replies
    • 3.7k views

  15. Approach for watchdog timers?

    By dmurray,
    • 5 replies
    • 4.8k views

  16. Memory leak when attempting to set cluster elements by name

    By Neil Pate,
    • 10 replies
    • 4.3k views

  17. MGI Solution Explorer Update

    By QueueYueue,   
    • 0 replies
    • 2.3k views

  18. Improved performance with additional tunnels?

    By Rüdiger,   
    • 7 replies
    • 3.1k views

  19. Network Queue 1 2

    By ragglefrock,
    • 36 replies
    • 0 views

  20. Sharing configuration information between processes

    By Neil Pate,
    • 11 replies
    • 3.5k views

  21. Actor Framework settings dialog

    By chrisempson,   
    • 6 replies
    • 5.3k views

  22. VI server

    By Benoit,   
    • 15 replies
    • 8.8k views

  23. Calling an subVI asynchronously

    By Doug Harper,
    • 8 replies
    • 8.9k views

  24. XY graph with real time data + stored data

    By Anton,
    • 0 replies
    • 4.1k views

  25. Fastest way to exchange string between a Labview DLL and Labview program

    By madskg,   
    • 4 replies
    • 5.7k views

  26. Node Map Tool?

    By John Lokanis,   
    • 16 replies
    • 14k views

  27. Pop Quiz, LabVIEW Experts

    By alecjcook,   
    • 12 replies
    • 5.9k views

  28. Actor Framework Basics Article

    By QueueYueue,
    • 4 replies
    • 5.8k views

  29. Waveform to array of VData

    By pawhan11,
    • 3 replies
    • 2.8k views

  30. Delacor Queued Message Handler (DQMH) available via LVTN

    By Fab,   
    • 23 replies
    • 15k views
    • Fab
    • Fab

  31. QMH in a subVi within a QMH type application

    By Walter Gunter,
    • 2 replies
    • 3.4k views

  32. Lazy Lists in Labview

    By valarauca,   
    • 3 replies
    • 3.3k views

  33. An attempt to reduce the number of event structure cases in my UIs

    By MarkCG,
    • 17 replies
    • 5.4k views

  34. Slow Waveform Concanenation

    By ctr26,   
    • 1 reply
    • 3k views

  35. Multi Thread Processors - Queue Based (CAL Prep)

    By alecjcook,
    • 2 replies
    • 3.1k views

  36. Fastest way to read-calc-write data with cDAQ

    By volatile,   
    • 5 replies
    • 3.9k views

  37. Discrete Time Kalman Filter for Higher Order Systems

    By Calorified,
    • 1 reply
    • 3.3k views

  38. UDP multicast to RIO

    By Calorified,   
    • 5 replies
    • 5.7k views

  39. Framework for cross platform Automated Testing?

    By Thomas Robertson,
    • 3 replies
    • 4k views

  40. Is this an appropriate use of Data Value Reference and LVOOP?

    By Autodefenestrator,
    • 6 replies
    • 5.4k views

  41. MultiQ

    By Mads,   
    • 16 replies
    • 9.5k views

  42. Stream a VI file across a network

    By John Lokanis,
    • 4 replies
    • 3k views

  43. Create array of manually added values

    By Zer0,   
    • 7 replies
    • 4.5k views

  44. why so little love for statecharts

    By MarkCG,
    • 7 replies
    • 4.2k views

  45. Architecture Help - Actor Framework, State Machine?

    By LewisG,   
    • 6 replies
    • 7.6k views

  46. Parallel testing(programming)

    By Bjarne Joergensen,
    • 15 replies
    • 6.7k views

  47. Context Help for a VI without loading

    By Phillip Brooks,
    • 7 replies
    • 0 views

  48. Can't programatically Abort or find Asynchronous Call 0x80

    By Jon Kokott,   
    • 10 replies
    • 12.2k views

  49. Named queue vs feedback node global queue

    By infinitenothing,
    • 7 replies
    • 4.3k views

  50. Protocol architecture taking care of different interfaces (Serial, USB, Ethernet)

    By whitenoiz,
    • 2 replies
    • 3k views

  51. What do you call a 1 element buffer?

    By Aristos Queue,
    • 14 replies
    • 5.1k views

  52. Strict Variant <-> Numeric conversion

    By mike5,
    • 23 replies
    • 8.5k views

  53. Can a typical LV application be constructed along functional paradigms?

    By AlexA,
    • 10 replies
    • 4.5k views

  54. Simple Modular MVC

    By abrink,   
    • 20 replies
    • 13.3k views

  55. New Events features in LabVIEW 2013 (Flush Queue, High Priority Events, Event Inspector Window, etc)

    By Michael Aivaliotis,   
    • 10 replies
    • 12.5k views

  56. Keeping Interfaces Simple When Functionality Requirements Change?

    By AlexA,
    • 10 replies
    • 4.4k views

  57. Possible design for stateless notifiers

    By infinitenothing,
    • 4 replies
    • 3.2k views

  58. control design and simulation error: "wire: is a member of cycle"

    By yudaermawan,   
    • 4 replies
    • 6.2k views

  59. control design and simulation error: "wire: is a member of cycle"

    By yudaermawan,   
    • 1 reply
    • 3k views

  60. Architecture Confusion

    By dblk22vball,
    • 1 reply
    • 2.9k views

  61. Encryption Keys

    By GregFreeman,
    • 7 replies
    • 36.7k views

  62. What Data Structure Would You Use?

    By Testy,
    • 5 replies
    • 4.2k views

  63. A Robust Technique for Controlling a Parallel Processing Loop?

    By AlexA,
    • 18 replies
    • 18.5k views

  64. Please guide me to acquire data from multi-serial ports

    By lovemachinez,   
    • 4 replies
    • 3.1k views

  65. Ignore what everyone says: use local variables for everything!

    By Sparkette,
    • 10 replies
    • 4.7k views
    • M_P
    • M_P

  66. Synchronizing tasks

    By phurley,   
    • 5 replies
    • 4.4k views

  67. delay time

    By malmou11,
    • 1 reply
    • 1.9k views

  68. Does anyone ever post codes that they are working on?

    By doradorachan,   
    • 7 replies
    • 3.9k views

  69. AOP architecture issues and options

    By John Lokanis,   
    • 12 replies
    • 5.5k views

  70. Improving sampling rate for single acquisition in while loop

    By rasmusvt,   
    • 3 replies
    • 3.2k views

  71. Design Patterns for Multi Version Support

    By JamesMc86,
    • 1 reply
    • 4.9k views

  72. Moving from Action Engines to Classes

    By abrink,   
    • 8 replies
    • 6.3k views

  73. Adjusting (fit) two together function

    By mimi25,
    • 20 replies
    • 5k views

  74. Optimizing instrumentation VI with multiple timed loops

    By eberaud,   
    • 6 replies
    • 3.9k views

  75. Import Shared Library but unable to load library at call library function node

    By David Yee,   
    • 8 replies
    • 10.7k views

  76. Unloading VI From Subpanel

    By GregFreeman,
    • 11 replies
    • 8.5k views

  77. Is it possible to hand control to an external application?

    By azhew,
    • 6 replies
    • 3.2k views

  78. LV Dialog box holds Open VI Reference

    By eberaud,   
    • 9 replies
    • 5.8k views

  79. .net Events in LabVIEW causing memory leak ?

    By Runjhun,   
    • 11 replies
    • 10.3k views

  80. Explanation of LabVIEW Execution Systems and Thread Priorities

    By ak_nz,
    • 12 replies
    • 18.4k views

  81. what are the function icons mentioned in figure below in stopwatch block diagram

    By manoj_sarode,   
    • 3 replies
    • 4.3k views

  82. Reading fixed size of elements using FPGA FIFO

    By Yang,   
    • 13 replies
    • 12.1k views

  83. Plugins that implement their own command set

    By ned,
    • 1 reply
    • 2.2k views

  84. Application Task Kill on Exit?

    By hooovahh,
    • 22 replies
    • 18.7k views

  85. Arduino RS232 Interfacing

    By marc426,   
    • 5 replies
    • 6k views

  86. need help dipping my toe into Actor programming

    By jcarmody,
    • 3 replies
    • 3k views

  87. Maintain UI state with sub panels

    By martin_g,
    • 12 replies
    • 4.7k views

  88. how to choose architecture

    By reteP,
    • 12 replies
    • 5.5k views

  89. Library & Class Naming Convention Advice

    By MartinMcD,
    • 10 replies
    • 5.8k views

  90. please help me for test pump

    By Hossein,   
    • 8 replies
    • 3.8k views
    • ned
    • ned

  91. event structure into a state machine problem

    By pitermann,
    • 4 replies
    • 4.2k views

  92. State machine

    By Jerome30,   
    • 4 replies
    • 3.9k views

  93. Is a Data copy made when dequeuing an element and requeueing somewhere else?

    By AlexA,
    • 2 replies
    • 2.8k views

  94. File sharing between to VIs, exe or apps

    By Bjarne Joergensen,   
    • 7 replies
    • 5k views

  95. Continuous waveform changing frequency

    By Gepponline,
    • 1 reply
    • 2.3k views

  96. Source code location affects execution speed?!?

    By John Lokanis,
    • 5 replies
    • 3.4k views

  97. dt_openlayer acquisition into qmh style application

    By pitermann,
    • 3 replies
    • 2.5k views

  98. Datatypes in Plugin-VIs in Packed Project Libraries

    By unicorn,
    • 6 replies
    • 5.8k views

  99. soft starter drives & frequencey converter

    By doki,
    • 7 replies
    • 4k views

  100. DVR or data copy? How to deal with large data in AOP projects

    By John Lokanis,   
    • 3 replies
    • 4.9k views
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