An idea of how to create a front panel

Hi all,
Want to create a front panel using LV 8. The panel using a vertical splliter bar to divide the panel into 2 sub panels, the left will be small , the right will be somewhat bigger than the left and as the main infomation display area. when click the splitter bar , the left panel can auto hide or collapse , if click it again , the left panel can open again . Please give a suggestion of achieving this . Thanks.
David

Hi David,
Yes, you can customize the positions of splitters, and as a result, control the size of the panes on your front panel. Here are some of the different properties you can change on a splitter bar:
Position on panel (i.e. horizontal pixel location of vertical splitter or vertical pixel location of horizontal splitter)
Foreground and background color
Whether or not it is "locked" (i.e. can't be repositioned by the user while the VI is running)
The sizing attributes of the attached pane(s) when the splitter is re-positioned
There are also several properties of the Pane class that relate to the panes on either side of a splitter. Let me know if you'd like more information about those (although I suppose you could look for yourself at the LabVIEW 8.0 Evaluation version).
Good luck,
-D
Darren Nattinger, CLA
LabVIEW Artisan and Nugget Penman

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How to create a front panel display that lights up with different colours depending on its input signal?

I am doing a project where I have this array which has different voltage outputs for each grid. How do I create a front panel object that lights up with different colours depending on the voltage input or is there already such a pre-built function?
In addition, I wish to display these in an array on screen. Is there any pre-built function for this?

Repulse wrote:
I am doing a project where I have this array which has different voltage outputs for each grid. How do I create a front panel object that lights up with different colours depending on the voltage input or is there already such a pre-built function?
The simplest way would be an intensity graph. It gives you a 2D grid where each grid point is colored according to the value of a 2D array. The Z axis color ramp determines the color.
My second choice would be an array of colorboxes. (They could even be made to look like LEDs (see image, if course you can leave them square too), All you need is a scaling function thap maps voltages into a color ramp lookup table with an 8bit index)
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LabVIEW Champion . Do more with less code and in less time .

How to create two front panels

Hi in my application i am using two Monitors ..
so i like to use one monitor for Vision display and control operation (Front panel )
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Hi
If we use Border Layout, the Panels which are added to the main panel are not displaying properly.
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mainPanel.setLayout(new BoxLayout(mainPanel, BoxLayout(PAGE_AXIS));
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How can I create multiple front panels for a single block diagram?

Hello,
I have developed a VI with multiple controls and indicators that needs to run on computers with screen resolutions ranging from 800x600 to 1680x1050. The problem I'm having is that the front panel does not properly scale for this range of resolutions by checking the options in the "VI properties" option. Is there a way to create multiple front panels of various sizes for my block diagram and programmatically select the appropriate front panel based on the screen resolution?
Solved!
Go to Solution.

See the attached Zip file.
I have two different front panels. Open either one and run it. They both call MainCode.vi which takes the references passed to it and register for events. From there, it does all the work of the code you would have put in your front panel .vi.
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Attachments:
MainCode.zip ‏22 KB

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how to add silver front panel theme for labview 2010

Mahisnair wrote:
yes i had tried this way but the vi built with silver theme doesnt look good in 2010 :-(
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I m using LabVIEW 8.2 on Windows XP SP2
I've tried both “maintain proportions of window for different monitor resolutions” and “scale all objects on front panel as the window resizes” selected but just messed up everything when i switched to another different resolution. It's annoying since I'm using 22 inch monitor to do the coding but the user supposed to run it on laptop or wince.
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Thank you all. Following is the reply from NI support. I think the best way is to edit vi in low resolution.
One of the easiest ways to tackle varying screen resolutions is to design
the front panel to the lowest resolution that you expect it to run on. It
should then look acceptable on any screen larger than that.
However, you can get a bit more tricky by programmatically determining the
computer's screen resolution and then dynamically changing the size of your
front panel objects. Use an Application Property Node and select
Display>>All Monitors to return the current screen size. Then, according to
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using the Size property node for your front panel objects.
Ultimately, these issues have often been a result of font size issues.
Specifically, this can be a problem when two machines have different
desktop theme/font settings. If your objects are coming out in different
sizes on different computers, you can setup up LabVIEW to use the same font
on different systems by modifying the .INI file.
The easiest way is to do this: use Tools->Options->Fonts from the LabVIEW
GUI. You can then set the system fonts to anything you want. After you
have done this on one machine, open your INI file (it is in the same
directory as the LabVIEW executable) with any text editor and copy the
corresponding entries to another file. Add these entries to the INI files
on any machines you want to lock to font. You will probably run into
issues if you are supporting different platforms (Windows and Mac or Mac
and Linux, for example), since the fonts you want may not be available on
both platforms. There are Windows fonts available for both Mac and Linux
platforms, so this can be somewhat ameliorated.
This is all I can think of, but that's not to say these are the only
solutions. You might check the Discussion Forums, as many of our LabVIEW
Champions have tackled similar issues and offer their expertise as well.
Here's just a few threads that I'd like to refer you to:
How to make the size of VI and controls unchanged irrespective of the
resolution?
http://forums.ni.com/ni/board/message?board.id=170&message.id=273613&requireLogin=False
How to program the front panel size to fit different monitor resolution?
http://forums.ni.com/ni/board/message?board.id=170&message.id=87160&requireLogin=False
I hope this discussion helps you along the way in your application
development. Please let me know if you have any further questions/comments
and I would be happy to discuss them with you.
Otherwise, it was a pleasure assisting you and thank you for choosing
National Instruments.

How to show the front panel when launching VI with Call by reference node??

Hello!
I just wonder how I make the front panel visible during execution when I launch the VI with CALL BY REFERENCE NODE.
Se example.
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Thank you!
Attachments:
test.vi ‏18 KB

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Waldemar
Using 7.1.1, 8.5.1, 8.6.1, 2009 on XP and RT
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How to display remote front panels of subvis that are already open

I inherited an RT project that uses remote front panels for nearly all the user interfaces. The host application opens a remote front panel the the top level RT vi, and there are several subvis on the RT system that are opened from that top level vi and thus displayed on the host (i.e. their "Show Front Panel When Called" properties are set TRUE).
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TurboPhil wrote:
If the Host loses its connection to the RT system when any subvi front panels are opened, and the host application is restarted, it can re-open the top level vi remote front panel, but all the RT subvis that are already open will not display their front panels. I am looking for a way to open the front panels to these subvis from the host application.
It might be possible to work around this behavior by placing VI invoke nodes in your top level VI that reference each of your subvis and setting the Wait Until Done invoke method to false. This should cause the subvi to close when the top level VI closes even in the case of an unexpected restart.
You can access this invode node in the functions pallet by selecting Application Control » Invoke Node and also selecting Application Control » Static VI reference. Wire the Static VI Reference to the vi reference input node and double click the Static VI Reference and select the appropriate subvi in the dialog window. Left click on the Method section of the invoke node and select Run VI. Finally right click on the Wait Until Done invoke method and select Create Constant and ensure this constant is set to false.
TurboPhil wrote:
The kicker is, I need to know which subvis are actually running before I attempt to open remote front panels. Is there any way to determine what subvis are actively running (and not just in memory, such as subvis that won't get executed until the top level vi reaches a certain state)? I am thinking that I could create a list of the subvis that I need access to, check to see if any are actively running on the RT system, and then invoke a remote front panel connection with those that are running.
You can access this information by using the Real-Time System Manager (Tools » Real-Time Module » System Manager). This can be used to show what VIs and subvis are loaded into memory and which are running.
For more information on using this tool please referere to this Knowledge Base article.
Message Edited by BLAQmx on 02-18-2008 11:40 AM
Mark
LabVIEW R&D

How can i open front panel of a vi and run it

Hi
I have a vi that i call multiple times from another vi, however i want it to open the front panel on some calls and not on others. What is the best way to do this?
I have come up with a way and was wondering if this method was okay or is there another method that might work better escepcially since i am eventually going to create an application out of it and hope that no problems pop up then
Unititled 1 calls Untitled 2 where with one call it opens and runs Untitled 2 while with the other call it simply runs untitled 2.vi
What I did was i changed untitled 2.vi window appearance to dialog but i deselected the show front panel when called, so by simply calling the subvi form untitled 1 it works. Unititled 2 runs but does not open
Now with another call i want to open and run untitled 2.vi so by looking the attached vi you can see what i have done
Again if there is a better method that would make my vi's more efficient i would greatly appreciate it.
Reza Sed
Attachments:
Untitled 1.vi ‏24 KB
Untitled 2.vi ‏10 KB

What you did, in theory, is the correct way to do it. However, you should move the front panel open and close into Untitled2.vi and have a boolean input as to whether to show the front panel or not. This way, your calling code is cleaner, and you don't have to reproduce the code everytime you want to call the subVI and show the panel.
If you were to use Untitled2 in another project, then you woud have to go back and look how to implement the showing of the front panel in your other code. If later, you were to decide you want that VI to be maximized, then you make one change in the VI, and not in every place you ever call it showing the front panel.

How to create a custom panel in the right way (without having an empty panel in the file info) ?

Hi Everyone
My name is Daté.
I'm working in the fashion industry as a designer and Design consultant to help fashion brands improving the design workflow by using Adobe softwares and especially Illustrator.
I'm not a developper, but i'm very interested about the possibility to introduce xmp technology to provide more DAM workflows in the fashion industry.
Fashion designers produce a lot of graphical objects in illustrator or Photoshop. Unfortunately they are faced to a big challenge which is about how to manage, search, classify and get this files faster. Of course PDM system or PLM system are used in the Fashion industry to manage data, but for many companies, implemanting this kind of database is very complex.
When i look at what you can do with xmp, it seems to be an interesting way of managing design files, then i started to follow Adobe instruction to try to build a custom panel.
The main idea is to (Theory) :
create custom panels used by fashion designers to classify their design files.
Use Adobe Bridge to search files, create smart collection to make basic reports in pdf and slideshows
Find someone to make a script able to export metadata in xml files
Use indesign and the xml file to generate automatically catalogues or technical sheets based on xmp values
I have created a custom panel by using the generic panel provided by Adobe and i have modified the fields to feet with the terms used in the fashion industry and it works well.
But unfortunately, when i try to create my own custom panel from scratch with Flashbuilder (4.6) and the Adobe CSExtensionBuilder_2 (Trial version), it doesn't work!
Here is the process :
I have installed flashbuilder 4.6
I have download the XMP Fileinfo SDK 5.1 and placed the com.adobe.xmp.sdk.fileinfo_fb4_1.1.0.jar in C:\Program Files (x86)\Adobe\Adobe Flash Builder 4.6\eclipse\plugins
In Flashbuilder, i have created a new project and select xmp Custom panel
The new project is created in flashbuilder with a field with A BASIC Description Field
To generate the panel, right click the project folder and select xmp / Publish Custom Panel
The panel is automatically generated in the following folder : C:\Users\AppData\Roaming\Adobe\XMP\custom file info panels\3.0\panels
Go to illustrator, Open the file Info
The panel appears empty
The others panel are also empty
The panel is created and automatically placed in the right folder, but when you open it in Illustrator by selecting the File Info option in the File Menu, this custom panel appears empty!!! (only the title of the tab is displayed). This panel also prevent the other panels to be displayed.
When you delete this custom panels from the folder C:\Users\AppData\Roaming\Adobe\XMP\custom file info panels\3.0\panels and go back to the File Info, the other panels display their content properly.
I also try to use the plugin XMP Namespace designer to create my own namespace. this plugin is also able to generate a custom panel, but this one also appears empty in AI or Photoshop.
I try to follow the process described in Adobe xmp documentation many times, but it didn't works.
It seems that many peaople have this issue, but i dodn't find a solution in the forum.
I try to create a trust file (cfg), but it didn't work.
It would be so kind if you can help me to understand why i can't create a custom panel normally and how to do it in the right way.
Thanks a lot for your help,
Best regards,
Daté

Hi Sunil,
After many trial, i realize the problem was not coming from the trust file, but from the way i have created the custom panel.
There is 2 different ways, the first described below is not working whereas the second is fine :
METHOD 1 :
I have downloaded the XMP-Fileinfo-SDK-CS6
In the XMP-Fileinfo-SDK-CS6 folder, i copied the com.adobe.xmp.sdk.fileinfo_fb4x_1.2.0.jar plugin from the Tools folder and i pasted it in the plugind folder of Flashbuilder 4.6
The plugin install an XMP project
In Flashbuilder 4.6 i have created a new project (File / New /Project /XMP/XMP Custom Panel)
A new xmp project is created in flashbuilder.
You can publish this project by right clicking the root folder and selecting XMP / Publish Custom Panel
The custom file info panel is automatically published in the right location which is on Mac : /Users/UserName/Library/Application Support/Adobe/XMP/Custom File Info Panels/3.0 or /Users/UserName/Library/Application Support/Adobe/XMP/Custom File Info Panels/4.0
Despite the publication of the custom file info panel and the creation of a trust file in the following location : "/Library/Application Support/Macromedia/FlashPlayerTrust", the panel is blank in Illustrator.
I try this way several times, with no good results.
METHOD 2 :
I have installed Adobe CSExtensionBuilder 2.1 in Flash Builder
In FlashBuilder i have created a new project (File / New /Project /Adobe Creative Suite Extension Builder/XMP Fileinfo Panel Project)
As the system display a warning about the version of the sdk to use to create correctly a custom file info, I changed the sdk to sdk3.5A
The warning message is : "XMP FileInfo Panel Projects must be built with Flex 3.3, 3.4 or 3.5 SDK. Building with Flex 4.6.0 SDK may result in runtime errors"
When i publish this File info panel project (right click the root folder and select Run as / Adobe illustrator), the panel is published correctly.
The last step is to create the trust file to display the fields in the panel and everything is working fine in Illustrator.
The second method seems to be the right way.
For sure something is missing in the first method, and i don't understand the difference between the XMP Custom Panel Project and the XMP Fileinfo Panel Project. Maybe you can explain it to me.
So what is the best solution ? the right sdk to use acording to the creative suite (the system asks to use 3.3 or 3.5 sdk for custom panels, so why ?)
I'm agree with Pedro, a step by step tutorial about this will help a lot of peaople, because it's not so easy to understand!!!
Sunil, as you belong to the staff team, can you tell me if there is :
A plugin or a software capable to extract the XMP from llustrator files to generate XML workflows in Indesign to create catalogues
A plugin to allow indesign to get custom XMP in live caption
A plugin to allow Bridge to get custom XMP in the Outputmode to make pdf or web galeries from a smart collection
How can you print the XMP data with the thumbnail of the file ?
Thanks a lot for your reply.
Best Regards
Daté

How to keep a "front panel" open during another sequence?

Hello everybody,
I'm new on the TestStand forum and I have a question for my project.
I need to make a test sequence with several sub-steps: Barcode reading, Data reading, Data analysis etc... and all these steps in a "For" or "Do... while" loop under TestStand.
Before doing the loop, I want to create a "global HMI" step using labview, with on the front panel, the status of each sub-steps. I need to update the status of each sub-step after their execution.
The sequence TS is:
Step Action Labview: HMI.vi (display front panel when calling vi)
Loop for
Barcode reading
Data reading
Data analysis...
That's why I need to keep the front panel of "HMI.vi" always open to updated /display the status of each sub-step. (something like colors of a LED). I doner 't want to call the HMI.vi after each sub-step.
I understood it's a multi-threading process and the reference of HMI.vi should always be active during all the "for loop", but I don't how to keepthe reference.
Could you please kindly show me how to do it under TestStand (verstion 4.1) with LV (7.1).
Many thanks in advance,

Hi zuzu,
A UIMessage is typically used as a method to alert and pass information from your sequence or code modules to the User Interface.
For a good discussion on this, refer to the section titled "Communication from the Test to the User Interface" here:
Developer Zone Tutorial: Best Practices for NI TestStand User Interface Development
However, you can register a callback to listen for these UIMessages in other parts of your code besides the UI as well. That's what we are doing in this case with the floating panel.
So basically, in your "Update HMI" step, you would post a UIMessage using RunState.Thread.PostUIMessage.
This posts the UIMessage, and you can pass whatever value you want from the "Update HMI" step to the HMI.vi.
For information on the function call, refer to:
NI TestStand Help: Thread.PostUIMessage
In this case, we are sending a UIMessage with message code 10200, along with 2 pieces of data, Locals.Progress (a numeric) and "TestProcedure" (a string).
Typically, you can pass a Number, a String, a Boolean and a Variant with each UI Message. If you need to send multiple pieces of data of the same type (your second question), then you should bundle them together into an array or cluster (container) and pass it via the ActiveX parameter.
See the following forum posts for more details:
reference a numeric array in PostUIMessageEX
HOW To pass more than one numeric data with ActiveX postUIMessage
Jervin Justin
NI TestStand Product Manager

How can you "enable front panel datalogging?"

In the Labview User Manual, it says that "You can create and read datalog files by enabling front panel datalogging." How do you go about "enabling front panel datalogging?"
Any help would be greatly appreciated.

From a LabVIEW only perspective, you can enable control (front panel) datalogging through the menu Operate>Data Logging->. If you bind a log file to the VIs front panel it will generate a binary file with the state of the controls in it, when you execute Operate>Data Logging>Log... (I could not find a way to execute this Log... by VI server programmatically - Maybe someone else?)
From a LabVIEW DSC perspective you can generate a Logos Remote connection to a tag (e.g. with the HMI Wizard). And when you have enabled that this tag has to be logged, the LabVIEW DSC Engine will store/log the value into the Citadel database.
Hope this helps
Roland
PS:
Not updated however maybe helpful:
80E?OpenDocument>Using Enable Database Access to Retrieve Data from a LabVIEW VI's Log File
Front Panel Data Logging and Retrieval (old Example)

An idea of how to create a front panel

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