Savitzky-golay Filter Out Of Memory exception
I am developing an application to analyse some very large waveforms, 1-2 GB per waveform. While testing what I have written so far I encountered an Out Of Memory exception when I invoked the...
View ArticleShould I get Measurement Studio to use old C drivers with C# .NET?
I am making a very simple test automation system for a very old test set using MS Visual Studio and C#. I do not have a large budget so I do not want to purchase NI Measurement Studio if I don't need...
View Articlewaveformgraph in vb.net
Hi !I have the LabVIEW dll that get the jitter measurement from Waveform. In my labivew project the waveform is display in Wavefromgraph with ideal bit waveform and actual waveform. The waveform data...
View ArticleFFT Fast Fourier transform problem
In the sample at National Instruments\MStudioVS2010\DotNET\Examples\Analysis\Enterprise\Filtering we see code at line 1103 subsetOfMagnitudes[i] = magnitudes[i]*scalingFactor*Math.Sqrt(2.0); //...
View Articleweb xydatagraph not refershing
Hi , We are using NationalInstruments.UI.WebForms.ScatterGraph to genenarte a graph. We are facing problem some times the xaxis range is not refreshing. All the plots are added without any issues...
View Articleweb xydatagraph not refershing
Hi , We are using NationalInstruments.UI.WebForms.ScatterGraph to genenarte a graph. We are facing problem some times the xaxis range is not refreshing. All the plots are added without any issues...
View Articleweb xydatagraph not refershing
Hi , We are using NationalInstruments.UI.WebForms.ScatterGraph to genenarte a graph. We are facing problem some times the xaxis range is not refreshing. All the plots are added without any issues...
View ArticleShow round/whole numbers on x-axis when zoomed in
I want to show nice round numbers on the x-axis when the user zooms in. It seems like I have to choose between CreateIntervalMode and CreateCountMode but I don't think they get me what I want. What I...
View ArticlePower Spectrum for 2 signals
Hello, I'm little noob and I want to show power spectrum from 2 signals : 1 is generated (sinweave) and 1 from acquisition. Is there any way to convert double[] to signal, or composite analogwaveForm...
View Articleissues using SPI write and read with ni845x.dll in visual studio 2010
Reposting this in the software section:I am trying to use the .dll supplied with the 8451 to communicate via SPI, and I have most functions (seemingly) working. When I try to send a message, however,...
View ArticleOpen VISA session in c# to RIO0::INSTR cause error
Hi, I use VisaNS.dll version 13.0.40.167 in a Visual Studio 2010 c# application and try to open a visa session to RIO::INSTR.HW is NI PXI-7842R shortinterfacenum = 0;HardwareInterfaceType...
View Articleunable to find dependency
My configuration: Win7 SP1 VS2010 Professional Measurement Studio 2013 Professional NI-VISA 5.3 NI-Device Drivers Aug13 Problem Description : I am trying to re-compile code I inherited from an old...
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Single End Analog Input
I am trying to read a voltage using an analog input on a NI USB-6008 in C#. I have tried using a Differential and it worked, however, I am constrained and would prefer to use Single-End to read the...
View ArticleRelay control with NI USB-6343
I am very new to these devices and trying to find my way around. I am trying to use a USB-6343 to control some relays on a test bench, I have looked at all the examples for creating a digital output...
View ArticleHow to keep c# .NET GUI responsive during long operations
I am an experienced LabVIEW developer but a newbie c# .NET developer. When I want to keep my GUI responsive in LabVIEW, I use a simple producer/consumer pattern with two while loops. I have been...
View ArticleFix axis locations
I have a panel to which multiple graphs are being added dynamically. It is important to me that the x axis and y axis of each graph lines up so graphs can be easily compared to each other. This works...
View ArticleTDMS Logging Mode LogAndRead
My application requires that I sample 8 AI channels at 100 kHz/channel for several hours and log the data. The snippet below is an example of what I am attempting to do.The analog channels are...
View ArticleCall javascript function on AutoRefresh
Hi, I need to call one javascript function as soon as the timer Ticks,in the following code.Please help me out. <ni:WaveformGraph ID="ChannelGraph" runat="server" Width="620" Height="250">...
View ArticleUpdate grid on Auto refresh Tick
Hi, I have on telerik radgrid in the same page as of the graph constructed by NI. I want to refresh the grid when OnRefresh method called by AutoRefresh. Can any one tell me how to add the item id of...
View Articlewpf graph internal axis labels
Is it possible to have axis ticks and/or labels inside plot area to conserve space? So that plot area would occupy 100% of the control, and all labels will be inside.
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