Array of different (digital and analog) values into multigraph

Hello everyone,
So I have an array with a timestamp on the first column, either "off" or "on" string on the second column, and a number value string on another. The columns are based of variables that reads data based on an update rate. My question is, what is the easiest way to separate these values into a digital and analog graphs. This is because the number values are so high that the "off" and "on" signal is being pushed down as the y-axis auto-scales. I'm hoping that I can use a multigraph, but the multigraph puts the data in one graph (since it's one array).
Any suggestions or help is appreciated.

Hi jachy25,
Below is a link to a KnowledgeBase article that goes over how to use stacked plots in LabVIEW.
http://digital.ni.com/public.nsf/allkb/21E8163F259DA2058625703B007511AA
The second link contains a lot of general information on configuring graphs and charts in LabVIEW, and is a useful document to have when configuring plots.
http://zone.ni.com/reference/en-XX/help/371361L-01/lvconcepts/customizing_graphs_and_charts/
I hope this information helps!
Regards,
Kelly B.
Applications Engineering
National Instruments

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How to parse XML Column and insert values into a table

Hello,
I am working on a simple project to demonstrate how to load and extract XML using SQL, I have already made a table that contains a column of XMLTYPE and loaded an XML file into it (code below)
create or replace directory XMLSRC as 'C:\XMLSRC';
drop table Inventory;
create table Inventory(Inv XMLTYPE);
INSERT INTO Inventory VALUES (XMLTYPE(bfilename('XMLSRC', 'Inventory.xml'),nls_charset_id('AL32UTF')));
select * from Inventory;
I now however need to get the XML data back out of that and loaded into a new table. Troubleshooting guides I have read online seem to only be dealing with parsing an external XML document and loading it into a table, and not what I need to do which is parse a column of XML data and load that into a table. The project trivial with simple tables containing only 3 columns.
The table that needs to be loaded is as follows:
create table InventoryOut(PartNumber Number(10), QTY Number(10), WhLocation varchar2(500));
The XML document is as follows:
<?xml version="1.0" encoding="UTF-8"?>
<dataroot xmlns:od="urn:schemas-microsoft-com:officedata" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="Inventory.xsd" generated="2012-04-09T17:36:30">
<Inventory>
<PartNumber>101</PartNumber>
<QTY>12</QTY>
<WhLocation>WA</WhLocation>
</Inventory>
</dataroot>
Thank you for any help you can offer.

First of all, thank you for your help!! Still stunned that you actually took the time to write out an eample using my tables/names/etc. Thank you!!
Attached is the code, there seems to be an issue with referencing the other table, Inventory.Inv, I checked and that table and the Inv column are showing up in the database so I am not sure why it is having issues locating them, take a look at the code I wrote as well as the output (*I included the real version number for you this time :)
EDIT: In your code right here:
select xt.*
3 from Inventory inve,
4 XMLTable('/dataroot/Inventory'
5 PASSING inve.Inv
I think is where I am messing it up, perhaps not understanding fully what is going on, as you write "Inventory inve" and "inve.Inv" ---- Is inve a keyword that I am just not familiar with? I think this is where the issues lies in my code.
END EDIT
EDIT2: Well that looks like it was it, changed that to how you have it and it now works!!! Could you please explain what that few lines is doing, and what the xt.* and inve are doing? Thanks again!!!
END EDIT2
drop table InventoryOut;
create table InventoryOut (PartNumber number(10), QTY number(10), WhLocation varchar2(500));
insert into InventoryOut (PartNumber, QTY, WhLocation)
select xt.*
from Inventory Inv,
XMLTable('/dataroot/Inventory'
PASSING Inventory.Inv COLUMNS
PartNumber number path 'PartNumber',
QTY number path 'QTY',
WhLocation path 'WhLocation')xt;
select * from InventoryOut;
select * from v$version;
table INVENTORYOUT dropped.
table INVENTORYOUT created.
Error starting at line 4 in command:
insert into InventoryOut (PartNumber, QTY, WhLocation)
select xt.*
from Inventory Inv,
XMLTable('/dataroot/Inventory'
PASSING Inventory.Inv COLUMNS
PartNumber number path 'PartNumber',
QTY number path 'QTY',
WhLocation path 'WhLocation')xt
Error at Command Line:8 Column:12
Error report:
SQL Error: ORA-00904: "INVENTORY"."INV": invalid identifier
00904. 00000 - "%s: invalid identifier"
*Cause:
*Action:
PARTNUMBER QTY WHLOCATION
BANNER
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production
PL/SQL Release 11.2.0.1.0 - Production
CORE 11.2.0.1.0 Production
TNS for 32-bit Windows: Version 11.2.0.1.0 - Production
NLSRTL Version 11.2.0.1.0 - Production
If this helps here is the code and output for the creation of the Inventory table itself:
create or replace directory XMLSRC as 'C:\XMLSRC';
drop table Inventory;
create table Inventory(Inv XMLTYPE);
INSERT INTO Inventory VALUES (XMLTYPE(bfilename('XMLSRC', 'Inventory.xml'),nls_charset_id('AL32UTF')));
select * from Inventory;
directory XMLSRC created.
table INVENTORY dropped.
table INVENTORY created.
1 rows inserted.
INV
<?xml version="1.0" encoding="WINDOWS-1252"?>
<dataroot xmlns:od="urn:schemas-microsoft-com:officedata" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="Inventory.xsd" generated="2012-04-09T17:36:30">
<Inventory>
<PartNumber>101</PartNumber>
<QTY>12</QTY>
<WhLocation>WA</WhLocation>
</Inventory>
</dataroot>
Thanks again for your help so far! Hope we can get this working :)
Edited by: 926502 on Apr 11, 2012 2:47 PM
Edited by: 926502 on Apr 11, 2012 2:49 PM
Edited by: 926502 on Apr 11, 2012 2:54 PM
Edited by: 926502 on Apr 11, 2012 2:54 PM
Updated issue to solved - Edited by: 926502 on Apr 11, 2012 2:55 PM

Optical digital and analog audio out

I just purchased a Pavilion 500-214 with IDT High Def Audio CODEC / DTS Sound+
Is it possible to get both opitcal digital audio out and analog (speakers/headphones) out at same time? Stereo amp needs access to both for multizone/source function. I can manually pick one or the other before playback - it is clunky in that when switching audio out devices the active will turn off but one switching to does not always turn on. But i really need both simultaneously active for amp to work properly. I have also found rear speaker jack to be more stubborn during switching than front headphone jack.
This question was solved.
View Solution.

Hi zombi1,
Welcome to the HP Forums!
I have done some research on whether or not one can utilize both digital or analogue audio out at the same time, and unfortunately this is not possible.
Thank you for posting, and Happy Earth Day!
MechPilot
I work on behalf of HP
Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
Click the “Kudos, Thumbs Up" on the right to say “Thanks” for helping!

Reading a text file and transferring values into array

Hi,
I have a problem. So what I am trying to do is that, I read a text file and insert specific values from the text file into an array for future needs.
But I have to make sure that there is no duplicate entries. So thats what I have but, my method takes forever to finish...
here is my code:
String nomFichier = "Test_" + numTest + "_" + date + ".txt";
        String ligne = "";
        int z = 0;
        int j = 0;
        BufferedReader lecteurFichier = new BufferedReader(new FileReader(nomFichier));
        while ((ligne = lecteurFichier.readLine()) != null) {
            if (z > 3)
                String valeur = "";
                String dist = "";
                boolean unique = true;
                String [] chiffre = ligne.split(";");
                 if (intervalleAnalyser == 1)
                    valeur = chiffre[3];
                    dist = chiffre[4];
                if (intervalleAnalyser == 2)
                    valeur = chiffre[2];
                    dist = chiffre[4];
                if (intervalleAnalyser == 3)
                    valeur = chiffre[1];
                    dist = chiffre[4];
                if (z == 4) {
                    intervalleDiagramme[j] = valeur;
                    j++;
                if (z > 4) {
                    for (int i = 0; i < intervalleDiagramme.length; i++)
                         for (int x = 0; x < i; x++)
                             if(intervalleDiagramme[i] == intervalleDiagramme[x])
                                unique = false;
                    if (unique)
                        intervalleDiagramme[j] = valeur;
                    j++;
            z++;
        lecteurFichier.close(); // toujours fermer le fichier

Hi,
Thanks for your reply,
1) Yeah I have a method that asks the question and assigns it to a variable.
2) Well the z will stop once there is no lines to read no?
for the set.add(), I am not that familar...
I changed bit a code and I have this now:
if (z > 4) {
                    for (int i = 0; i < intervalleDiagramme.length; i++)
                        System.out.println(intervalleDiagramme);
if(intervalleDiagramme[i].equals(valeur))
System.out.println(intervalleDiagramme[i] + " " + valeur);
unique = false;
if (unique)
intervalleDiagramme[j] = valeur;
EDIT:
I figured a way to assign " " to all the values in my array. But I get this error:
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 380
at TP3.lireFichier(TP3.java:305)
And my line 305 is: intervalleDiagramme[j] = valeur;
EDIT2:
So ok I found my mistake and corrected it. But I want to know is there a way of doing this without setting the size of the array? because sometimes there needs to be 21 values sometimes 19 and sometimes 20....
If I take out: = new String [21] out I get a NullPointer error...
Edited by: Ara1992Habs on Dec 13, 2009 7:29 AM
Edited by: Ara1992Habs on Dec 13, 2009 7:37 AM

How to use both digital and analog input modules in the same worksheet - MCC USB1208LS

Dear all,
Hi, I am Imran. I am using MCC USB1208LS. I have created the worksheet using digital input module as below and able to execute (run).
But when i add another analog input module in the same worksheet and executes, An error Message pops-up as in the below image
I have connected temperature sensor sognal to the analog input of USB1208LS. When using analog input alone in the worksheet, it indiates the actual values.
is any black box solve? please guide me. I am attaching in images
We already placed a purchase order for USB1208FS. Will it sort out my issues?.
Thanking you,
Imran Mohamed.
Attachments:
present worksheet digital input only.JPG ‏67 KB
with analog input module.JPG ‏81 KB
error menu.JPG ‏77 KB

Hello Imran,
the USB-1208LS is not capable of running concurrent operations such as an analog input scan and ANY digital Ins, Outs, counter reads, or analog outs. In Dasylab, the 1208LS is scanning, and nothing else from that particular device can be requested of it while that is happening.
Yes, using the 1208FS will resolve some of these issues.
Please refer to the ULHELP.CHM file installed on your computer in c:\program files\measurement computing\daq for details on this issue, et al.
also I recommend you send your MCC/DASYLab requests for support to [email protected] as MCC staff (that includes me) does not normally monitor NI's Developer Zone.

Newbie: 6020E (USB) slow performance with mixed digital and analog input

Hi,
I'm using a 6020E to do analog and digital input, and I'm getting very bad performance.
Please note that doing IO in Labview is new to me!
I have read the post about 6020E slow performance, and it says I should do buffered IO.
Can anybody point me to some DOC or SAMPLE that actually shows or explains how one should do this. I need to read several digital IO lines (which I can combine in one port-read), and several analog inputs.
Seeing how slow the reading on the 6020E is, I am amazed there is only one post that deals with this issue.
I would be satisfied to get the 6020E into some sort of continuous read mode so that whenever I need data, I get the latest reading right away.
thanks,
Peter D'Hoye

Hi Peter,
Your cannot do buffered digital I/O with your daqpad. It doesn't have that capability. You can only make direct software calls with digital read/write from/to your port. So your digital IO is completely software clocked and not hardware clocked. The example you are trying is only for specific Simultanuous sampling boards or now also for M-series boards that are able to do correlated DIO.
Use the Cont Acq&Graph Voltage-Int Clk.vi example for your analog measurements. (NI Example Finder) For your digital IO you can only use the examples like Read Dig Chan.vi, Read Dig Port,...
There are indeed some slow performance issues with single point I/O Operations, that is correct.
Check the explaination below:
DAQPads are offered for the Universal Serial Bus (USB) and the IEEE 1394 (also known as FireWire). Both of these standards use a high-speed serial communication protocol between the computer and the device with a bandwidth up to 12 MB/s for USB and 400 MB/s for FireWire.
During a single point operation, the DAQ device requires a complete set of configuration commands. This is done through serial communication (USB or FireWire), making the process slower than in a PCI-based board. The speed obtained for single point operation in a DAQPad is system dependent; this means that your computer processor, memory, bus speed, and other factors alter the speed at which you can do single-point operations with a DAQPad.
For example, on the DAQPad-6020E, timed non-buffered analog input operations are limited to about 50 Hz. At higher rates, the software may become unresponsive. On a FireWire device, you can expect stable operation around 3,000 Hz. But again, these figures are system dependent.
Regards.
JV
NI

Connecting 5700 with laptops' only digital AND analog output

Hi everyone!
Although I'm an experienced creative user this is the first time I'm posting. I looked trough the forums but I couldn't find any answer to my question and I hope this is not the "n"th time it is asked...
I have Inspire 5700 Digital speakers and I recently bought a Sony VAIO VGN-FES laptop, with an Intel 945PM Express chipset, which features Intel HD audio. In the sound setup utility of Sigmatel HD audio, there is even an option to enable digital SPDIF output, which I enabled. But when I connect the digital din cable to my laptops only output jack (headphones...) I have no sound at all...
I thought that it may be due to the fact that the jack is not digital only. But I still want to have real digital 5.1 audio. So could anyone tell me how I can do that?
Thanks beforehand!

Addlclove,
in the sony forums the answer I recieved was that the headphone jack was normally 2.1 analog, but I didn't receive a fulfilling answer to my query about the reason to the spdif setting in the setup utility and the chipsets features. That's why I came here The only output I have on the computer is the one for the headpohes. But there is a docking station that I could buy, having an optical out.
And Jason-CL,
You're right, I used to have an Audigy, and I understand that you're saying that I can't do it through the headphone jack, right?
astarem
"hope..."

Array of different (digital and analog) values into multigraph

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