Quantcast
Channel: LabVIEW topics
Browsing all 69241 articles
Browse latest View live

Image color comparison

Hi,I have a question concerning Labview and Image Comparison.I would like to know the best way to compute Comparison Image Color (or brithness).I am acquiring 2 Images at different time with my camera...

View Article


Is AVI file getting compressed ?

Hello All!I am trying to read and write an avi file with 'Read Write AVI with Data.vi ' i.e  acquire image, and data and write to the AVI File.  This data is saved with the image in an AVI so when the...

View Article


Image may be NSFW.
Clik here to view.

Incompatible numeric controls that appear to be the same.

I have some system numeric controls, specifically "System: Numeric: System Spin Control", which is configured as a Double, 64Bit, ~15bit. In the context help window the 15bit is followed by [???]. When...

View Article

Image may be NSFW.
Clik here to view.

Acquiring and saving a single image from the IMAQdx Grab function

Hi there, For some reason our camera doesn't work if we try and Snap an image so we have been told to use the Grab function. However, when we use the Grab function our program can't run because (we...

View Article

DAQmx NI 9219 RTD Excitation Current

I'm curious whether there is a limit to the excitation current for NI 9219.  I am trying to use an Omega RTD, which requires a 1 mA excitation.  When setting excitation in Labview or NI Max, it gives...

View Article


One pixel frame for picture control

HelloHow can I create a picture control with a frame of one pixel (instead of 3 pixels by default)?I would like it to look similar to a Classic Boolean Flat Square Button.And if possible it would be...

View Article

Image may be NSFW.
Clik here to view.

SQL Database Progressive Logging

I'm trying to use LabView's Database connectivity toolkit to store temperature and pressure data similar to the method in the example library (below) Create, then Log What would be the best way to...

View Article

reminder how to create a small icon template

I know I have done this in the past but it is kicking my rear today. I am trying to create an icon template that only surrounds the middle 2X4 terminals of a 4x4 connector pane. I managed, at some...

View Article


Image may be NSFW.
Clik here to view.

Make SceneWIndow always visible (3D Picture Control)

Hi, I am using 3D Picture Control to render a STL assembly and then show it in a SceneWindow. The problem is that I cant make this seperate Window be always on top.  This is what I get from property...

View Article


Creating a control with different options?

I have an input for a diameter in inches, there are only 6 different options that it can be as I am dealing with specific fan models. Is there a way I can create the control to have the 6 different...

View Article

How to close a branch after a single use?

Hi all, I am new to LabVIEW. I have attached my code. I want to have each comparison (5 and 7) only run once. Even if the random number generator outputs another 5, I do not want the LED to light up...

View Article

Control Reference created by scripting removed in build

I have a template VI that is duplicated with another set of VIs. Within, there is a control that is copied, replaced on the VI panel, and, using scripting, a reference to this control is placed on the...

View Article

labview to excel

I have a program that reads QR codes from an external webcam, i am trying to put the captured QR code data into an excel spreadsheet with my row labels on the left hand side in column A (QR code 1, QR...

View Article


labview dll

Hi....I m trying to create a mobile testing software for mobiles with mediatek processors....For this I m trying to use DLL library and headers to send command to phone.....But always I m getting error...

View Article

Image may be NSFW.
Clik here to view.

Scripting: Cast ProjectItem type to VI type

I try to access specific properties of VI found in project tree. However, there is no datatype "VI" among sub-types of "ProjectItem". This is a very simplified illustration.  Which type shall I select...

View Article


Hypothesis testing

I want to make a labview application that lets me test between different types of hypothesis, using different kinds of methods, but I have no statistical background and could really use someone's...

View Article

How to set proper step size for control & simulation loop?

Hello,I have adapted an example VI that implements a Kalman filter in a control & simulation loop. By default, the step size for the control & simulation loop is 0.02 seconds, but when I run...

View Article


Load-pull Power contours

I was trying to implement a code to plot the Load-pull power contours which can show me the maximum output power and the other 3dB power contours but it seems I gave up. Is there any of you could help...

View Article

NI-DAQmx Icon Missing in Labview

I had to reinstall LabView and now my NI-DAQmx icon is missing (actually a bunch of DAQmx related icons are missing). I can view the NI-DAQmx icon showing a question mark when go to Tools-Advanced-Edit...

View Article

Image may be NSFW.
Clik here to view.

a median filter that is not working as expected

Hello all! I'm using a median filter to process a very noisy signal but I'm not getting the signal I want.The signal comes from an antenna in a noisy environment(hot, windy, dusty), after envelope...

View Article
Browsing all 69241 articles
Browse latest View live


<script src="https://jsc.adskeeper.com/r/s/rssing.com.1596347.js" async> </script>