How do you manipulate and display multiple DAQ channels?
I have two sensors wired into the same DAQ (USB) module. I can monitor the signals in LabView using DAQ Assistant, but I'm having trouble separating the channels. I would like to display the signals on separate waveform charts and also apply different conversion formulas to each one before writing the data to a file. However, I can't find any way to distinguish between the two signals in either of the express VIs for these tasks. I can display both signals simultaneously in one or more charts, but I can't figure out how to make each chart display a different signal. I searched through LabView help and finished the DAQ tutorial, but neither helped with this simple problem. It's very important that I learn to work with multiple channels, because I'll eventually have even more signals coming into this DAQ hardware.
Hey Jonnyboy,
Check out the example called Select Signals.vi. Are you using dynamic data? Go to Help>>Find Examples... and type select as the search word.
Basically you have to index the one that you want using the Select Signal express VI.
Hope that helps get you in the right direction.
jigg
CTA, CLA
teststandhelp.com
~Will work for kudos and/or BBQ~
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This "It's not a technical illustration program" argument is every bit as nonsensical. Every one of Illustrator's direct competitors provides for user-defined drawing scales, and has for decades. Illustrator is just as "technical" a drawing program as those others are. It's just particularly lame at it in this regard. And since when is "technical" illustration not "illustration"? And since when is user-defined drawing scale only needed for "technical" illustration? Absolutely ridiculous.
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Ilustrator, Indesign and Photoshop share about 90% of the same functionality.
Where do you get that?
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See PeopleTools 8.53 installation manual Task 3-1: Installing Oracle Tuxedo
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list.setSelectedIndex( 1 );
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import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.border.*;
import java.awt.Container;
import javax.swing.JOptionPane;
import java.lang.Object;
import java.awt.event.*;
import java.awt.Component;
import javax.swing.JOptionPane;
import java.awt.BorderLayout;
//import java.awt.Container;
import java.awt.Dimension;
import java.awt.Rectangle;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionListener;
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import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JComponent;
import javax.swing.SpringLayout;
import javax.swing.border.BevelBorder;
* Simple applications for demonstrating the use of FormUtility
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* <P>
* Philip Isenhour - 060628 - http://javatechniques.com/
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//public final int lineCount = 0;
//EASTERN NY
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f.setVisible(true);
public static void main(String[] args)
correctOfficerGUI test = new correctOfficerGUI();
test.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}Message was edited by:
poncho -
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How do you Design and Develop?
I know this varies based on alot of things such as knowledge, preference, purpose, resources, etc..but I am curious how different (level of expertise) designers actually prefer or implement their websites. I decided to do this post after two different forums discussions regarding 1.Templates and PHP and 2. Backend Development.
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2. What are 2-3 of your main resources / sites / applications etc that you use (and for what?)
Specifically: What do you use (and how) to get up a website? (I know again this depends on a variety of things, but in general..) *also if you would like to comment on your expertise or level maybe helpful.
Do you prefer (Pros/ Cons of:) What advice would you give regarding below?
Your own HTML/CSS/Script based site that you mostly (if not completley) built. (More control and original, but harder / tedious for beginner)
HTML Temlplate (tweak the HTML and CSS)--non framework type (Quick and easy, but usually poor quality, outdated?)--but some can servde as good starting point.
Wordpress (And others like Drupal, Joomla) (Somewhat quick and easy access to tweak a quality WP Theme with ability for alot of features--forms, search, databases, etc (otherwise might have trouble with advanced features w/o good working knowledge og PHP and MYSQL, maybe others?)--but kind of a 'workaround' for real HTML design?
Frameworks types like Foundation, Bootstrap, Skeleton
A combination or hybrid of methods? -- or another method I have overlooked?
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I don't use a PHP framework because I have developed my own "pseudo-framework" for the particular kinds of sites I build, but I respect the frameworks that are out there. They can teach you excellent coding habits.
In starting the design and logic of a site, the most essential question is: What is the website (or website project) supposed to accomplish? My clients tell me what they want to accomplish, but I usually decide how to get there. This holds for both business logic and design, because design also must serve the business objectives.
My website projects generally take four months to two years to complete. The client usually dedicates one employee to work as a liaison between me and the rest of the company. Because the sites I build are heavy on the business logic, a great deal of time is spent on testing and debugging. I make testing the responsibility of the client so I can't be held liable if, for instance, a terrible accounting mistake is discovered in the code logic.
I like to use Adobe Illustrator for design development because I became an Adobe Illustrator ACE in 2000; however, I can see that Fireworks is probably the better tool. Photoshop is an important secondary tool.
For general site management and code writing I use both Dreamweaver and ZEND Studio; however, I use Dreamweaver less and less.
I now require all my clients to have their websites (and also domain name registrations, since my company is a domain name reseller) hosted on my VPS server. This prevents anyone from stealing code I have worked for years to develop and also establishes a commitment between myself and the client. When you are starting a web development business, you can't demand this kind of commitment from the client. Even a lot of great seasoned developers can't. It depends on your reputation within the specific industry(ies) you service. -
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Re: How do you create and use "common" type classes?
Hi,
You have 2 potential solutions in your case :
1- Sub-class TextNullable class of Framework and add your methods in the
sub-class.
This is the way Domain class work. Only Nullable classes are sub-classable.
This is usefull for Data Dictionary.
The code will be located in any partition that uses or references the supplier
plan.
2- Put your add on code on a specific class and instanciate it in your user
classes (client or server).
You could also use interface for a better conception if needed. The code will
also be in any partition that uses or references the supplier plan where your
add on class is located.
If you don't want that code to be on each partition, you could use libraries :
configure as library the utility plan where is your add-on class.
You can find an example of the second case (using a QuickSort class,
GenericArray add-on) with the "QuickSort & List" sample on my personal site
http://perso.club-internet.fr/dnguyen/
Hope this helps,
Daniel Nguyen
Freelance Forte Consultant
http://perso.club-internet.fr/dnguyen/
Robinson, Richard a écrit:
I'm relatively new to forte and I'd like to know how can you handle utility
type classes that you want to use through out your application? Ideally
what I want is a static class with static methods.
Let's say that I have a StringUtil class that has a bunch of methods for
manipulating strings.
My problem is that we have code that runs on the client and code that runs
on the server. Both areas could use the StringUtil class, but from what I
understand, I have to create StringUtil in a plan and then create a server
object of type StringUtil. The server object will eventually get assigned
to a partition. That's not good since I really want the server object to
physically reside at the server end and at the client end. (Actually, I
don't want a server object, I just want to invoke a static method of a
static class).
Any clues on how to solve this problem would be appreciated.
Also, what is the url at Sage-it that has a summary of all emails that have
been posted to [email protected]? Perhaps this question has been
answered previously.
Thanks in advance
To unsubscribe, email '[email protected]' with
'unsubscribe forte-users' as the body of the message.
Searchable thread archive <URL:http://pinehurst.sageit.com/listarchive/>-
To unsubscribe, email '[email protected]' with
'unsubscribe forte-users' as the body of the message.
Searchable thread archive <URL:http://pinehurst.sageit.com/listarchive/>Hi Richard,
Your question about "utility classes" brings up a number of issues, all of
which are important to long-term success with Forte.
There is no such thing as a static method (method that is associated with a
class but without an implicit object reference - this/self/me "pointer") in
TOOL, nor is there such thing as a global method (method not associated
with a class at all). This is in contrast to C++, which has both, and
Java, which has static methods, but not global classes. Frequently, Forte
developers will write code like this:
result, num : double;
// get initial value for num....
tmpDoubleData : DoubleData = new;
tmpDoubleData.DoubleValue = num;
result = tmpDoubleData.Sqrt().DoubleValue;
tmpDoubleData = NIL; // send a hint to the garbage collector
in places where a C++ programmer would write:
double result, num;
// get initial value for num....
result = Math::Sqrt(num);
or a Java programmer would write:
double result, num;
// get initial value for num....
result = Math.sqrt(num);
The result of this is that you end up allocating an extra object now and
then. In practice, this is not a big deal memory-wise. If you have a
server that is getting a lot of hits, or if you are doing some intense
processing, then you could pre-allocate and reuse the data object. Note
that optimization has its own issues, so you should start by allocating
only when you need the object.
If you are looking for a StringUtil class, then you will want to use an
instance of TextData or TextNullable. If you are looking to add methods,
you could subclass from TextNullable, and add methods. Note that you will
still have to instantiate an object and call methods on that object.
The next issue you raise is where the object resides. As long as you do
not have an anchored object, you will always have a copy of an object on a
partition. If you do not pass the object in a call to another partition,
the object never leaves. If you pass the object to another partition, then
the other partition will have its own copy of the object. This means that
the client and the server will have their own copies, which is the effect
you are looking for.
Some developers new to Forte will try to get around the lack of global
methods in TOOL by creating a user-visible service object and then calling
methods on it. If you have a general utility, like string handling, this
is a bad idea, since a service object can reside only on a single
partition.
Summary:
* You may find everything you want in TextData.
* Unless you anchor the object, the instance will reside where you
intuitively expect it.
* To patch over the lack of static methods in TOOL, simply allocate an
instance when required.
Feel free to email me if you have more questions on this.
At the bottom of each message that goes through the mailing list server,
the address for the list archive is printed:
http://pinehurst.sageit.com/listarchive/.
Good Luck,
CSB
-----Original Message-----
From: Robinson, Richard
Sent: Tuesday, March 02, 1999 5:44 PM
To: '[email protected]'
Subject: How do you create and use "common" type classes?
I'm relatively new to forte and I'd like to know how can you handle utility
type classes that you want to use through out your application? Ideally
what I want is a static class with static methods.
Let's say that I have a StringUtil class that has a bunch of methods for
manipulating strings.
My problem is that we have code that runs on the client and code that runs
on the server. Both areas could use the StringUtil class, but from what I
understand, I have to create StringUtil in a plan and then create a server
object of type StringUtil. The server object will eventually get assigned
to a partition. That's not good since I really want the server object to
physically reside at the server end and at the client end. (Actually, I
don't want a server object, I just want to invoke a static method of a
static class).
Any clues on how to solve this problem would be appreciated.
Also, what is the url at Sage-it that has a summary of all emails that have
been posted to [email protected]? Perhaps this question has been
answered previously.
Thanks in advance -
How do you date and time stamp iCal entries? We share an event calendar and need to know when a new event was entered into iCal.
BKBK,
Thank you for your response. That does adequately cover the
client-originated sessions, but still leaves the ability I am
looking for unavailable.
It did serve to definitively answer my most pressing
question, however, with this statement:
Note: ColdFusion cannot create a session if an initiator
application uses a SendGatewayMessage method to start an
interaction with a client, such as an SMS user. In this case, the
sending code must keep track (for example, in a database) of the
messages it sends and their destinations. When a response event
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I will play around with the Application scope to see if there
might be a workable solution there.
RLS
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