Incrementing 'index array' row input according to bytes received

I am receiving binary data through a UDP port. I'm reading a column of a spreadsheet and I want to extract the consecutive row everytime a further 4 bytes of data is received. I will use the contents of the spreadhseet cell as a condition to format the binary data. I guess i need to count the bytes of data passed then reset the counter every time it reaches 4. Every time the counter resets the index array contant need to increment by 1...but i don't know how to do this. Can anyone help?
Thanks

I tried as you said, it seems to be partially working but there seems to be a problem with the timing. The index increments in steps of one but not quickly enough. The data type sent to the selector terminal does not seem to be in sync with the binary data as my data does not update as i expect. Any ideas how to fix this problem?
vi attached...
Attachments:
UDP_Case_Struct.vi ‏35 KB

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Create sub-arrays based on the positions of indicies in a separate index array?

I have a 1D array of index values and a 1D array of measured values. As an example:
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How to do this in labview.
Thanks
Solved!
Go to Solution.

Alice12 wrote:
I tried to generate your program but there is some problem (I dont know the false case).
And I want to find the maxima of each sub-array and then find their average (this should be the final output).
You have it mostly right. I explained in my post what's in the false case: an increment (+1) for the top shift register. The other wires pass straight through. The image I posted is a "snippet" - it's actual code. You can drag it into a block diagram (with some web browsers, you will need to drag to your desktop first, and from there to the block diagram). There is a bug in the snippet creation where it does not always show cluster contents properly, and that's what happened here. The array constant wired to the left side of the lower shift register contains a cluster containing an array of numeric values. You will see this if you load the snippet. I hope that you were able to understand the logic of this code as you were constructing it, but if not, please ask for an explanation.
From there it is trivial to find the max and averages. Connect the output of my code to a for loop. Inside the for loop, unbundle the array, and compute the maximum and average. Functions to do these operations on any numeric array already exist (look for Array Max & Min, and Mean).

How to index array in a for loop

i'm connecting from variant-to-data function to an index array function inside a for_loop (refer to attachment). the data-type wire got converted from Table(2-D array) to Table(1-D array). How do I keep it from converting to 1-D array?
Attachments:
arrayI.doc ‏146 KB

Of course it seems you want to run the loop once for each row in the 2D array, so many times autoindexing is the better solution!
You are using an "index array" inside the loop. If you are planning to wire the index to the iteration [i] terminal (who knows? ), you might as well use autoindexing. This way you don't need to wire N (the loop will know how many rows there are) and you don't need to use index array inside the loop.
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Message Edited by altenbach on 03-31-2008 04:17 PM
LabVIEW Champion . Do more with less code and in less time .
Attachments:
autoindexing.png ‏8 KB

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Hello Gurus,
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You should first use index:
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e     |
|   0 | SELECT STATEMENT            |         |     3 |    42 |     2   (0)| 00:
00:01 |
|   1 | TABLE ACCESS BY INDEX ROWID| EMP     |     3 |    42 |     2   (0)| 00:
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1D Index Array Extraction

Hey all,
I'm relatively new to using LabView and cannot figure out how to get this done.
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Solved!
Go to Solution.
Attachments:
progress.vi ‏28 KB

Arrays are 0 indexed so locations 1,3, & 4 should be 0, 2 & 3 if you want those output values. Attached is a pic of the code to do this. Be sure to disbale indexing on the data set and allow indexing on the 'location/indices' array.
Attachments:
ex code.png ‏17 KB
ex code.jpg ‏41 KB

Indexing array without a loop

I would like to make and insert elements to each index on an 1D array. but, I don't want to use loop. How can I input my data into 1D array increasing and indexing array? whenever We want to make a new array, Do We have to use a loop control?

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Attachments:
Actuator_Gabe_Oct27_Flat_Sequence_XY_+Measurement_File.vi ‏131 KB

Please know that the best option is to review the concepts discussed to further understand programming in LabVIEW. Perhaps you could take a look through ni.com/gettingstarted and ni.com/lv101 to have a look at some of the online help materials. I have included a VI snippet of the while loop containing the changes. Further, the code you attached contains a lot of customer controls and VIs, which are not common to all LabVIEW users. It is a best practice to only attach the code of value to the question/post, and to have the most simplified version of the problem.
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How can I create sub-arrays based on the positions of indicies in a separate index array?

Please forgive me if this question is basic or obvious. I am fairly new to LabVIEW and I'm trying to learn as I go along.
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-- jph
Solved!
Go to Solution.

jamespherman wrote:
Thus, I figured it might be possible to generalize this idea and send multiple sets of XY values to an XY graph.
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LabVIEW Champion . Do more with less code and in less time .
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SplitInGroupsGraph.vi ‏14 KB

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How get column index and row index in gridpane of javafx

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[code]
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[/code]
-- daniel

Incrementing 'index array' row input according to bytes received

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