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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. Downhill Simplex Problem

    By Kas,
    • 3 replies
    • 3.1k views
    • Kas
    • Kas

  2. Disable labview/windows 7 help dialog

    By kiyuna,   
    • 2 replies
    • 3.1k views

  3. 2D Array Filling by Boolean

    By Ano Ano,
    • 4 replies
    • 3.1k views

  4. Advice Needed for Distributed Measurement and Control System

    By Shehezaada,
    • 5 replies
    • 3.1k views

  5. Get VI Path

    By jmltinc,   
    • 4 replies
    • 3.1k views

  6. Parameter tables in a state machine

    By Gulstaff,   
    • 2 replies
    • 3k views

  7. Strange VI Status

    By X___,   
    • 10 replies
    • 3k views

  8. Programatically specify automation refnum input?

    By george seifert,
    • 4 replies
    • 3k views

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

    By alecjcook,
    • 2 replies
    • 3k views

  10. deploy hierarchies of shared variables in EXE

    By ensegre,   
    • 1 reply
    • 3k views

  11. need help dipping my toe into Actor programming

    By jcarmody,
    • 3 replies
    • 3k views

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

    By lovemachinez,   
    • 4 replies
    • 3k views

  13. Improved performance with additional tunnels?

    By Rüdiger,   
    • 7 replies
    • 3k views

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

    By yudaermawan,   
    • 1 reply
    • 3k views

  15. warning.txt

    By pbruno11,
    • 0 replies
    • 3k views

  16. Libraries and best practices

    By Stagg54,   
    • 5 replies
    • 2.9k views

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

    By whitenoiz,
    • 2 replies
    • 2.9k views

  18. Slow Waveform Concanenation

    By ctr26,   
    • 1 reply
    • 2.9k views

  19. Stream a VI file across a network

    By John Lokanis,
    • 4 replies
    • 2.9k views

  20. Graph & Timing

    By Ano Ano,
    • 4 replies
    • 2.9k views

  21. Panel Actors Launched from non Panel Actor

    By timewaster1700,
    • 0 replies
    • 2.9k views

  22. Architecture Puzzle

    By Angle,
    • 2 replies
    • 2.9k views

  23. Use Data Value Reference with In Place Structure instead of shift register?

    By george seifert,
    • 1 reply
    • 2.9k views

  24. Architecture Confusion

    By dblk22vball,
    • 1 reply
    • 2.9k views

  25. Capturing events when writing to Value(Signaling)

    By jed,
    • 2 replies
    • 2.8k views

  26. Getting out of "internal error"

    By mike5,
    • 3 replies
    • 2.8k views

  27. RFC: How to get AppBuild to automagically know what to include on host for a particular RT/remote?

    By Aristos Queue,
    • 4 replies
    • 2.8k views

  28. Measurement Utility

    By Perj62,   
    • 1 reply
    • 2.8k views

  29. Design DAQmx tasks: many channels/task?

    By Synss,
    • 1 reply
    • 2.8k views

  30. How do I avoid coupling modules together by data type?

    By PA-Paul,
    • 5 replies
    • 2.8k views

  31. Unnecessary Polymorphic Types

    By hooovahh,
    • 5 replies
    • 2.8k views

  32. Reentrant Global In Clones

    By hooovahh,
    • 4 replies
    • 2.8k views

  33. Pulse Measurements VI gives wrong answer (LV 2009)

    By george seifert,
    • 2 replies
    • 2.8k views

  34. Instrument simulator - command interpreter

    By CT2DAC,   
    • 8 replies
    • 2.7k views

  35. Another "dynamic call" topic: No frontpanels

    By mstoeger,   
    • 4 replies
    • 2.7k views

  36. VNC right-clicks in LV don't work

    By george seifert,
    • 3 replies
    • 2.7k views

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

    By AlexA,
    • 2 replies
    • 2.7k views

  38. Waveform to array of VData

    By pawhan11,
    • 3 replies
    • 2.7k views

  39. Open strictly typed VI reference is blocked by root loop

    By swenp,
    • 1 reply
    • 2.7k views

  40. Drag cursor on 3d parametric graph

    By wallage,
    • 3 replies
    • 2.7k views

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

    By Neil Pate,
    • 9 replies
    • 2.7k views

  42. Time consumed in VI doesn't seem to match Profile data

    By george seifert,
    • 2 replies
    • 2.7k views

  43. Low Coupling Architecture for Data Storage

    By theoneandonlyjim,
    • 2 replies
    • 2.7k views

  44. Save and restore clusters. Restore won't know which values are being restored.

    By george seifert,
    • 4 replies
    • 2.7k views

  45. Inline vi and shared clone execution Win vs RT

    By bsvingen,
    • 4 replies
    • 2.6k views

  46. For loop parallelization

    By Gary Rubin,
    • 4 replies
    • 2.6k views

  47. New LabView design

    By krilevak,
    • 2 replies
    • 2.6k views

  48. Will statecharts survive to move to nxg?

    By Taylorh140,   
    • 4 replies
    • 2.6k views

  49. Functional Mock Up Interface

    By RaghuDLR,
    • 0 replies
    • 2.6k views

  50. hierarchical component system states and dependencies

    By PaulL,
    • 5 replies
    • 2.6k views

  51. Primer on the new Multiple Errors VIs?

    By X___,
    • 4 replies
    • 2.6k views

  52. Priority for IPEs blocked on DVR references

    By mje,
    • 4 replies
    • 2.6k views

  53. How to display RT Data on a multicolumn listbox?

    By Fred chen,   
    • 0 replies
    • 2.6k views

  54. Design server using LabVIEW

    By touchthesky,
    • 1 reply
    • 2.6k views

  55. Program architecture

    By Francois Aujard,
    • 10 replies
    • 2.5k views

  56. Dynamic Loading and Unloading of Libs?

    By danielsan,
    • 2 replies
    • 2.5k views

  57. Pop up error if COM port is already in use

    By CodE,
    • 1 reply
    • 2.5k views

  58. labviewv.lib could not locate "ni_variable_UnregisterProviderCallback"

    By bulebell,
    • 1 reply
    • 2.5k views

  59. Querying the build number of a built executable from another built executable

    By MartinMcD,
    • 3 replies
    • 2.5k views

  60. Rule Engine / Rete algorithm in LabVIEW

    By 0_o,   
    • 0 replies
    • 2.5k views
    • 0_o
    • 0_o

  61. Sub VI paradigm: Internal to a loop

    By AlexA,
    • 3 replies
    • 2.5k views

  62. Interesting conversation about Actors, Scala, Erlang, etc

    By viSci,
    • 0 replies
    • 2.5k views

  63. Application recovery

    By Harris Hu,   
    • 2 replies
    • 2.5k views

  64. Dynamic Loading Classes using Interfaces, this year I'm finally doing it...

    By IpsoFacto,
    • 2 replies
    • 2.5k views

  65. Automation of a Manual QSM

    By Dragoon235,
    • 3 replies
    • 2.5k views

  66. Sub VI

    By maziyar mahmoodi,
    • 3 replies
    • 2.5k views

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

    By Jacemdom,
    • 4 replies
    • 2.5k views

  68. Controlling a menu driven device

    By Phillip Brooks,
    • 2 replies
    • 2.5k views

  69. Suggestions on reading UI events in 3 prodcuer 1 consumer design?

    By arizzi12,
    • 3 replies
    • 2.5k views

  70. Temperature/Voltage Control

    By theoneandonlyjim,
    • 2 replies
    • 2.5k views

  71. Spawning processes - reentrant or *.vit?

    By MartinMcD,
    • 3 replies
    • 2.5k views

  72. dt_openlayer acquisition into qmh style application

    By pitermann,
    • 3 replies
    • 2.4k views

  73. Tracking which Background LV Processes are still running

    By Rollin1,
    • 4 replies
    • 2.4k views
    • lvb
    • lvb

  74. New Flexible GUI application - Does this look right?

    By Absurd,
    • 1 reply
    • 2.4k views

  75. New icons for Messenger Library

    By drjdpowell,
    • 0 replies
    • 2.4k views

  76. Automated text environment

    By pm998,
    • 2 replies
    • 2.4k views

  77. Clear error VI inserted in error wire on LV2009 code

    By george seifert,
    • 2 replies
    • 2.4k views

  78. viServer - problem with LV instances

    By DaveX,
    • 4 replies
    • 2.4k views

  79. Project specific palette

    By Daklu,
    • 5 replies
    • 2.4k views

  80. Short cut creation with arbitrary keys

    By Michael,
    • 4 replies
    • 2.4k views

  81. Is this a good place to use the "swap value" primitive?

    By infinitenothing,
    • 2 replies
    • 2.3k views

  82. Panel Actors Work in Dev but fail to display in Runtime

    By timewaster1700,
    • 0 replies
    • 2.3k views

  83. Automated guided vehicles (AGVs)

    By Nam Nga,
    • 1 reply
    • 2.3k views

  84. LABVIEW CVI

    By lovemachinez,
    • 1 reply
    • 2.3k views

  85. Forgotten DVR (memory leak?)

    By mike5,
    • 2 replies
    • 2.3k views

  86. Continuous waveform changing frequency

    By Gepponline,
    • 1 reply
    • 2.3k views

  87. Adjust XY Scales Individually - Array of Clusters

    By Dan07,
    • 5 replies
    • 2.3k views

  88. Update IVI session in while loop

    By cyro,
    • 3 replies
    • 2.3k views

  89. Timestamps & Waveforms: No distinction in variants?

    By mje,
    • 2 replies
    • 2.3k views
    • mje
    • mje

  90. LV text rendering, MBCS, OS, Unicode

    By pawhan11,
    • 0 replies
    • 2.3k views

  91. can anyone help me with building a noise figure VI?

    By rohit anupoju,
    • 1 reply
    • 2.3k views

  92. Certain Channel as X-Axis

    By kull3rk3ks,   
    • 1 reply
    • 2.3k views

  93. Should I be able to probe in a callback VI?

    By george seifert,
    • 2 replies
    • 2.3k views

  94. Data type parsing

    By black1234572,
    • 2 replies
    • 2.3k views

  95. Data Value Reference Problem

    By alecjcook,
    • 2 replies
    • 2.3k views

  96. Sub VIs launching themselves on project-open

    By MartinMcD,
    • 3 replies
    • 2.2k views

  97. MGI Solution Explorer Update

    By QueueYueue,   
    • 0 replies
    • 2.2k views

  98. Need Help About ECG

    By marp84,
    • 1 reply
    • 2.2k views

  99. Removing an element from a global array affects other elements in the array

    By zack13532,
    • 4 replies
    • 2.2k views

  100. launching multiple vi windows of same type

    By MartinMcD,
    • 2 replies
    • 2.2k views
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