Image of the front panel and block diagram

Hi,
I need to get some info from the block diagram but I don't have labview in my computer. can some one please open it and post a picture of both front panel and block diagram.
It may not open properly, but that is okay.
Thanks,
Sujay.

Here you go

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How do I automatically make new front panels and block diagrams a certain size and screen position, like able to fit on a 1024 x 768 screen?

I'm studying for the CLD and I notice that one of the requirements is this:
Develop block diagrams to fit a screen resolution of 1024 x 768.
When I create a new VI, its resolution is slightly too big: 1110 x 768.
When I create a subVI via the menu item Edit >> Create SubVI, it is way too small: 800 x 543.
For both methods of creating new VIs, I would like to specify both the screen position and window size. But if that is not possible in LabVIEW, I'd like a quick way to make this happen. I see some property nodes for VIs where I could write a subVI that could do this for the front panel, but that is awkward. And it does not apply to block diagrams.
Is there a clever way to do these things?

bmihura wrote:
I'm studying for the CLD and I notice that one of the requirements is this:
Develop block diagrams to fit a screen resolution of 1024 x 768.
When I create a new VI, its resolution is slightly too big: 1110 x 768.
When I create a subVI via the menu item Edit >> Create SubVI, it is way too small: 800 x 543.
For both methods of creating new VIs, I would like to specify both the screen position and window size. But if that is not possible in LabVIEW, I'd like a quick way to make this happen. I see some property nodes for VIs where I could write a subVI that could do this for the front panel, but that is awkward. And it does not apply to block diagrams.
Is there a clever way to do these things?
It doesn't mean the default size of the window. It means once your code is complete, your block diagram should be small enough that you can see all your code when its on a monitor of that resolution. Before you test, set your computer monitor resolution to 1024x768. Write your code. If all the code on your block diagram can be seen without scrolling, you will be fine. They won't measure this explicitly. They are basically just saying "you shouldn't have a huge block diagram."
CLA, LabVIEW Versions 2010-2013

How can I simultaneously acquire and display an image on the front panel using a PCI-1424

Dear friends;
I want to use PCI-1424 , and labview 5.1 to capture the image, But I can not find some functions in labview to capture, display and save the image.Can you be kind to share some examples or provide some information.
Another question is how I CAN display the image in the front panel.
thanks so much

Hello yangshang,
Thank you for contacting National Instruments! To acquire images from the 1424 you will need NI IMAQ 2.5.1 or later. This can be found HERE on our drivers download page. One thing to note is that in LabVIEW 5 we only had the ability to view an IMAQ image as a pop up window. This VI is called "IMAQ Windraw". This will pop up a separate window that will display your picture. If you need to view the picture on the front panel you can try saving the image as a file (BMP, JPG, etc) then use the LabVIEW Graphics and Sound VI's to Read a picture file in and then wire the picture to a picture control on the front panel. Let me know if you have anymore questions. Good Luck.
Regards,
Mark T
Applications Engineer | National Instruments

How can I view acquired images on the front panel?

Hi, I would like view captures on the front panel and video images, Is possible to do it? How can I do it?
Thank's everybody!

Hi,
Its pretty simple, go to Edit>Import picture from file (browse for your .jpeg/.bmp/.gif etc file)
again Edit>Paste
hope this helps.

How do reduce the space between the front panel and the display area

I am trying to reduce the space between the front panel and display area but i am not able to reduce the space

A picture would be very helpful in demonstrating what you are having trouble with.
Lacking that, I will guess.
VI Properties >>> Windows Size
lets you define the minimum size of a FP window.
Well that's my guess!
Did I win?
Ben
Ben Rayner
I am currently active on.. MainStream Preppers
Rayner's Ridge is under construction

How can I simultaneously acquire and display an image on the front panel using a PCI-1408

I have to acquire and display an image directely in the front panel of a *.vi using a PCI-1408. i have to know all informmations about this image because I want to create a calibration system.

Hi Paola,
if you own IMAQ Vision you can just have a look at the examples that comes with your board or you can look at: http://zone.ni.com/devzone/explprog.nsf/6c163603265406328625682a006ed37d/2abaefe05789961686256866007c0d22?OpenDocument.
Without IMAQ Vision look at:
http://zone.ni.com/devzone/explprog.nsf/6c163603265406328625682a006ed37d/22474456534202b086256aff005fc4f3
(or search at ni.com for "IMAQ Display without IMAQ Vison)
Please mail me if you need further help,
Michael

I want to save an image of the front panel, (with data), after every VI run

When I try to copy the front panel (using a select all), and paist to paint, all the data in the graphs show up as they did after the last run, but the data in the charts dissapear. The chart itself is copied but the data is not. Any ideas on how to solve this?
Thanks,
Brian
Attachments:
Brians_graph_compilation2.vi ‏1363 KB

This Knowledgebase also has some information on programatically saving VI images
http://digital.ni.com/public.nsf/websearch/942DAA35C7B35616862565FE005F713F?OpenDocument
(KB 197BB7VJ if the link doesn't work).
Note that you don't have to put the code in the VI you are running in order to save it to a file, so you don't actually have to modify your VI. You can just run a seperate VI that uses the VI name from the first one (I've attached a VI which could either be run standalone or used as a SubVI, as well as an example of using it as a SubVI).
If you don't want to do it programatically you could just hit the print screen button on your keyboard and then paste it into paint and crop off the extra windows stuff.
Attachments:
CreateVIJPEG.vi ‏34 KB
ImageExample.vi ‏24 KB

Can I embed an aquired image in the front panel or does it have to be in its own window?

I need to be repeatedly displaying processed images and I know that I can make the image window "float" so that it is always on top and never becomes hidden when I click in the vi's front panel, but it is inconvenient that if I move the vi window or scroll within it, the image window stays where it is. I would like the image display to be a part of the front panel if that is possible, so that both move together.
Thanks

This is fairly simple to do.
I have attached Make IMAQ Child.vi, which is a slightly modified version of one I originally found on the NI website.
One required input is the filename of the parent VI, which can easily be obtained by using the "Current VI's Path" constant and Strip Path to remove the filename from the path.
The other required input is the IMAQ window number.
This will make the IMAQ window a child panel within the specified parent window. It will move with the parent window.
Bruce
Bruce Ammons
Ammons Engineering
Attachments:
Make_IMAQ_Child.vi ‏39 KB

How do I input data to a table on the front panel and stop the program immediately as button is pressed?

What should I do if I want to display on the front panel in real time the values from Polarizer #, P1, P2 and the last calculated value (P2/P1 * 100) called T% in a table or some graphical representation like that? What would I have to do? It could just be Polarizer # and T% if that would be simpler. I just want to let the user know the values in a list, spreadsheet or table as they go. One last thing is that I would like to be able to stop the program at any point in time as soon as the stop button is pressed. As of now, when the button is pressed it goes through the iteration currently in progress and then one afterwards. I want the program to end as soon as the stop button is pressed no matter what sequence it is. What can I do to achieve this? Could you give me an example or modify my program to show me this.
Thanks,
Steve
Stephen Coward
Northrop Grumman
[email protected]
Attachments:
EPM2000 almost done.vi ‏50 KB

Put a single frame sequence structure around your stop button and then wire from the error cluster going into the error handler to the edge of the sequence structure. Now your code will stop at the end of the current iteration. To see why this works, watch you code execute with execution highlighting turned on and review the section of the manual talking about "Dataflow".
Mike...
Certified Professional Instructor
Certified LabVIEW Architect
LabVIEW Champion
"... after all, He's not a tame lion..."
Be thinking ahead and mark your dance card for NI Week 2015 now: TS 6139 - Object Oriented First Steps

Save front panels and print them at once

I have a VI that will be executed multiple times with different data, i want each of this front panels to be printed but it has to be one print instruction. I've tried to make an image of the front panel and append this to an Report, but the image is of a bad quality and the image which was made, contained only the view on screen!

If you want a report that is an image of the display screen one thing you can do is create a VI whose front panel is a clone of the application's front panel. The only code behind this front panels would be property nodes to set the clone's front panel to match changes the user makes in the display during execution (for example, a user can change the color of plots, or the such things). It is vital that the diagram of this VI has at least 1 property node, otherwise it will only update if its window is open.
Now as you main application is running it gathers a collection of all the data that you will want to print. When the user then clicks a print button, or the program exits (however you want the program to work) the code would take each dataset and one at a
time pass it to the clone VI and programatically print its front panel.
However, if all you have is tabular data (i.e. no plots or other graphics) I have found it easier to use the report generator VIs, but it's your call.
Mike...
Certified Professional Instructor
Certified LabVIEW Architect
LabVIEW Champion
"... after all, He's not a tame lion..."
Be thinking ahead and mark your dance card for NI Week 2015 now: TS 6139 - Object Oriented First Steps

Is there a way to use the built-in Datalogging and programmatically log the front panel while the vi is running?

I would like to use the built-in Data Logging feature. There is the "Log at Completion" option, but is there a way to programmatically make a new log record while running? I looked around in VI server and couldn't find any methods that would do that. Currently, I am grabbing all of the front panel control references using VI Server and if there are any changes, the changed values are written to a log file along with a date/time stamp. I'm mostly dealing with buttons, which simply change from 0 to 1 or 1 to 0, so it's not too hard to visualize what was pressed. It works okay for reconstructing what happened, but it would be much nicer to use the built-in fe
ature because you can "replay" directly onto the front panel and actually see what the changes were. However, without being able to programmatically make a new log, it won't work for me.

Jake,
There are several options here.
I would suggest using your own code for datalogging. The datalogging you are referring to is primarily for debug, and one shot datalogs of front panel indicators (and controls?), not including graphs, etc.
If you go to the file functions, you will see a menu for datalogging. These functions will allow you to save your data, as you need it, simply, and in a compact format.
I recommend opening the datalog file, doing all your file operations, and closing the file before the program is complete. There are several examples of this in the examples database.
Good luck

Leaving the front panel displayed on a subpanel after stopping

I have a tab control.
Each tab control has a subpanel.
Each subpanel has a static vi reference attached to it for launching.
I would like the image of the front panel displayed in the subpanel after the program has finished running so that any information that was displayed is still present.
Is there a way to retain all the settings between run's?
-Regards
eximo
UofL Bioengineering M.S.
Neuronetrix
"I had rather be right than be president" -Henry Clay
Attachments:
NeuroNetriX TestSet.vi ‏12 KB

When you say settings, do you mean controls? If so, you can right click on them and select Data Operations >> Make Current Value Default. That will keep the settings initialized how ever you set them up.
I believe you can use use the Get Front Panel Image VI Method node, similar to the way to run the VI. You can create one by right clicking on the VI reference wire and selecting Method for VI Class >> Front Panel >> Get Image.
I've attached a code snippet of the node. If you want you can just drag the file into your block diagram and it should turn into code.
Applications Engineer
National Instruments
CLD Certified

Is there any way to prevent excess rows from being added to a table on the front panel?

Whenever I programmatically add rows through a property node I can still go into the front panel and keep adding additional rows through the table. Is there any way to prevent this "excess scrolling"? Maybe grey out the rows or something?
At least I have chicken

Hello Labviewleroy,
You should be able to right click on the table on the front panel and select
Visible Items>>Horizontal Scrollbar or Vertical Scrollbar
You could also consider changing their visibility programmatically using a property node for the control or indicator that you are referencing. You can create the property node by right clicking on the control on the block diagram and selecting
Create>>Property Node>>Visible Items>>Horizontal Scrollbar or Vertical Scrollbar
Cheers,
-Joel
Motion PSE
National Instruments

How to create a cluster, whose elements are all scattered across the front panel?

Hi everyone!
I've been designing a front panel, which (I think :-)) feels pretty well when the override switches are scattered all over the screen. Anyway I'd like to process their states in a cluster. I tried pulling them in a cluster in the block diagram, which didn't do anything (actually they hid underneath the cluster). I tried bundling them, but the only way I could do so was after creating a hidden cluster on the front panel and filling it with the same number of boolean controls as I've got override switches.
Anybody got any suggestions?
Kindest regards,
Severin

Severin,
You should be able to bundle the elements without creating a dummy cluster. You cannot use Bundle by Name without a control (or indicator), however.
One possibility, if you need a cluster, is to make a cluster which is bigger than your front panel. Make the background transparent or the same color as the panel. The problem with this is how you handle other controls or indicators which are not part of the cluster. You could put them behnid the transparent cluster, but then you cannot operate the controls and panel updates are slowed considerably by overlapping front panel objects. You may be able to slide them in front of the cluster without embedding them into the cluster by placing them on the panel outside the cluster and using the keyboard arrows to move them. This works for some things; I have not tried it with clusters. You still have overlapping objects.
Lynn

Why doesn't LabView scale my objects properly in the front panel?

In LabView 6.02 (Windows 2000) I have experienced problems when using the "Scale all objects on panel as the window resizes" option under VI properties. Try the following example: Go to the front panel and draw two arrows (from Decorations), one vertical and one horizontal (make sure they are perfectly straight). Now, resize the window, using the bottom right corner several times. You will soon find that the two arrows become increasingly missaligned and are not perpendicular to each other anymore. The problem gets worse the more you play around with the window size and they will never return to their original state. Installing the 6.02 patch did not seem to help at all.

Dear Gustav,
First of all, some objects do not scale whatsoever in LabVIEW. These include refnum controls and text.
As far as the "scale all objects on the front panel as the window resizes" option goes, you have brought attention to an issue that I will announce to the R&D team. Currently, when you resize the screen, the objects on the front panel are resized at the same fraction of the original size, yet small rounding errors occur. As you move the window around, this small rounding error multiplies accordingly. Once you maximize the window, the small rounding error is translated into a large-scale degree change in the orientation of the (previously) perpendicular arrows.
What action are you trying to perform that caused this issue? If possible,
please post some screen shots of your front panel or give me explicit details as to your programmatic goal.
One thing that you may try in order to prevent this misalignment and orientation shift is to highlight the arrows. Then, click the "Reorder" button on the toolbar and select [lock]. This will lock the objects and prevent them from resizing while the rest of the screen resizes (see attached image).
Again, I'm sorry if the aforementioned phenomenon causes you any inconveniences, and I will be sure to announce this issue so that preventive changes are implemented in future LabVIEW revisions.
I hope this helps. Please let me know if you need any further assistance. Have a great day!
Kind Regards,
Joe Des Rosier
National Instruments
Attachments:
lock.JPG ‏33 KB

Image of the front panel and block diagram

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