Programmatically expand a waveform graph

Similar Questions

• amplitude of the waveform graph

  Hi guys,.

  could you please tell me how to control the amplitude of a waveform graph. I want the mV amplitude, and I want to control the scale of numbers also.

  Thank you

  Bill David

  Bill David,

  You want to manually set all by developing the program or by running program?

  For a manual start by turning off Autoscaling on axis Y. Then comes the value end upper and lower values you want.

  Programmatically is similar except that you use property nodes.  Some properties have names that might be a little confusing, you may need to do some exploration and trial.  Context-sensitive help and help detailed will be your friends.

  Lynn

• Field of table to the waveform graph

  Hi, I have a table I want it draw in a waveform graph. I tried to experiment with the wave function of building and others, but could not get anything out of it. And how to choose which points I would like to draw on the graph?

  Thanks in advance.

  You have only wired 2 signals, so just the two signals. If you need more, expand the node for merger signals and cable signals more to it.

  5 and 6 are the numbers in column for Poly_M_Tem & TF_M_Temp, I had to delete the first column, as was the timestamps, and it was not necessary. It is so different from your 6 & 7.

  Hope that makes sense.

• How can I display only a part of the scale in the waveform graph

  This is the first time I try to use the waveform graph, since now, I used the table of waveform.
  The reason why I moved to the chart, it's that I need cursors.

  I have 2 problem

  the first: in the diagram, the graph moves when I add a new data and the scale of the x-axis stay the same size, in the right size I always saw the new data. How can I do that with waveform graph?

  Second: How do I say Labview to the day I click on the graph, I need that because when move graphic I lose the day, and to make I need to zoom out, I drag the imprecateurs.

  All this must be done programmatically. The LabVIEW graphic accepts tabular data, not only as the table and the graph doesn't have the ability to retain the previous points, like the story of a graph. You will need to retain previous values and then continually update the graph with the old and new values to get a shift register "chart as behavior. Cursors should be written programmatically re of each iteration, since you rewrite the entire graph.

• horizontal line on waveform graph

  Hello world!

  I'm still new to Labview, but I am trying to add a horizontal line to a already established "histogram" on my graph of the waveform. How this code works is that it takes a force of a forceplate (this force Exchange) and trace it as a bar to the left of the graph target (it's their strength of target - height represents the amount of force they wish to exercise). Ideally, you would like these bars have the same height (the person exerting the force uses the same amount as their target). To make it a little easier for them to see the target height, I'm wanting to draw a horizontal line at the height of the target, but keep the bar chart so that they can see how far their strength exercised power comes from their target they grow stronger or softer. Is there an easy way to do this? Ideally I'd like the bar chart and line, but if there must be two lines (one for the target does not move and one for the force that would change) which is very good also.

  Thank you for your advice and your entries!

  Emily

  Dear emmaline35,

  you use a waveform graph, not a graphic. Graphic does not markers (which would be the most simple solution to mark the extreme).

  There is a suggestion that I have not tried: http://lavag.org/topic/11199-adding-a-reference-line-to-a-waveform-chart/?p=67119 (some solitions partially work are suggested earlier in the thread, too)

  Suggestion 2) If you need this marker (horizontal) and if your application is not computationally intensive (which does not seem so), I would use a chart and add a horizontal guide. That can be set programmatically: property node > XScale > [MarkerValues] but you will have to replot the graph for each newly received value.

  See you soon,.

• How to connect a cluster of berries to a waveform graph

  I'm trying to reproduce the pattern-block which is attached to this issue, but I don't know how I connect the waveform to my clusters of berries. I get an error that "the type of the source is table 1 d of cluster of 2 elements. The sink type is 1 d doubles [64-bit real (precision ~ 15 digits)].

  You need a chart xy, not a waveform graph.

  (Remember also that this table index is resizable. You only have a single instance. Your photo code is old, ~ LabVIEW 4.0 or MORE)

• missing samples in the waveform graph

  Hello world

  When processing a file .wav into pieces, I noticed that there are missing samples on the waveform graph where two pieces must be met for the display. What could be the cause of this? Any help appreciated. Thank you!

  Milan

  Your method of reading in pieces in a for loop is create a table 1 d of waveforms with the tunnels of automatic indexation.  It is as well as what you have the data appear in different plots.  I don't know if that's what you want.

  But if this is the case, the problem is that you get to the last point of the first plot, and the first point of the next parcel is a different value.  Because they are two different plots that you do not get the line to join them, as you do between points that are part of the same plot.

• Save the Studio measure waveform graph as a file for reading later

  Hello

  I would like to know if there is an easier way to record data are rendered on a waveform graph (configured as a graphic of the band) to capture incoming data in the code and send copies of it to a file. It would be nice if there was a method to do this, with all relevant metadata stored in the file (color, etc.). Better yet, the file could then be opened in a labview application (for example, a TDMS file) for later review.

  Thank you.

  PS. I use VS2010 and MS 2010.

  So, it looks like you already have all the data points. For metadata that you mentioned, line color, plot colors, point colors, line styles, etc. are all accessible from the properties so if you wish, you can retrieve all that data.

  I think that upon return from t0 is the same compensation history, you can use the ClearData() method.

• metal theme waveform graph

  Hello

  I use the metal theme to design a façade of Labview.  I would like to plot x, y of the data on a chart, however, there is only a graphic of waveform and waveform Graph available in the metallic theme.  Can you help me in tracing the x, the data is in the curve of waveform in the attached VI?

  Thank you

  hiNi.

  You can customize the graph of the metallic wave and replace it with a XY Chart and set some properties to match the waveform graph

  Or let me do it for you

  Joint back-saved for 2011

  Cross posted at the "Discussion of UI military theme" on the side of the community

• waveform graph

  Hello

  I have a question about the waveform graph. My prolbem is that the x-axis of graphic waveform shows only up to x = 0.1 and it does not show the chart more than that, and when I increase the X-AXIS scale in his PROPERTIS (lets say at x = 2), increase the Max on the x-axis (x = 2) but the chart presented to the 0.1! I have attached a very simple code that shows my problem.

  Could you help me please? I need the graphics to show me for all values x, x = 0 to x = 10.5.

  Thank you

  Soran

  Hi Soran,

  Sorry, your question is still not clear to me.

  You hear all the values up to 10? I kept freq = 0.1 and adjusted other values, don't know if that's what you are pregnant.

• How to display the signal on a waveform graph in Labview Signal Express?

  Hello

  I want to display a signal in Signal Express 3.0 in a "waveform table", but don't know how to do it and I think that it may be impossible?

  In Labview, there are two ways to view data, a 'waveform table' or a 'waveform graph. The great thing with 'picture of waveform' is that it allows you to set a length of history and you can see the data move to the left (option graphic strip) that samples are recovered. It works perfectly.

  In Signal Express I can only select "Graph XY" or "Waveform curve" by doing a right-click of the mouse, but I can't select "table of waveform. Is it really true that it is not possible to view data in a graph of waveform "with Labview? (1 analog signal during streaming, 100 samples to read at the rate of 1 K)

  Thank you in advance,

  Enrique

  Hi Enrique.

  You are right that there is currently no graphic waveform in SignalExpress. The thing nearest you can join, is saved data under a log and then he looks one when recording (which I know this isn't quite the same interactive behavior).

  For your last comment, you wrote 'waveform curve', but I guess you meant 'picture' here as well.

  Sorry about that. We recently received this request, then perhaps in a future version.

  Phil

• rotation of waveform graphs

  Is there anyway to rotate a waveform graph, so that I can view them vertically? (the wave moves vertically, rather than left to right)

  You vote for this idea on the exchange of ideas, swap axis allow for graphics signals and diagrams intensity (and possibly others)

• How convert the waveform on the table of waveform waving on waveform graph

  Please answer now...

  Your other post indicates it is a thesis, I consider homework. What did you do? What do you mean? What do you get a waveform graph? You have one, or the plots of 10? If you have a parcel, what you get as the data type for the data in the chart? If you have more than one conspiracy, what do you get? What is the data type that accepts a waveform graph? Have you looked to see how that is defined?

  For example, let's say you have a parcel on your chart. When you get the data, you get... a table 1 d of values. It's kind of logic, right? Well, what is the type of waveform data? It consists of a starting point, time delta between points and an array of values. Hmmmm... So, what about using the wave function of build? Just a thought...

• How to get the individual history of the multiple waveform graph plot

  I have a table of waveform with several plots, which is a cluster as input.

  I want to calculate the average of each of these plots. With simple concession of waveform graph, all I had to do is to use the property in the history of the graph node and pass the history to the generation averaged vi. With the array of multiple locations, I am unable to get the history of each parcel.

  The property of the history of the land multi card node is an array of custers, not quite what I need to calculate the average.

  How to me history of individual plots?

  Thank you.

  unbundle just your datapoints inside a loop like this

  

• Overload CPU display with waveform graph

  My sample code (yahoo.vi) presents the 2D DBL in size of 30, 000 * 2 table.

  Whenever the 2D table was displayed with waveform graph, I found there were big delay (around seconds) by CPU overhead but the time was very short.

  Once this has happened, the computer (8108 PXI double heart, 4G of memory, 32-bit win7) has been slow to exploit something.

  Is it bug or problem comes from the computer? or do you have a solution?

  labmaster

  My version of LV is 2009.1 (service pack installed)

  You need to transpose the table! (or right click on the chart... convert table)

  You are graphing 30000 plots with two points each (hard!) instead of 2 plots with 30000 points each (easy!).

  (Imagine you would display the legend of the plot with 30000 plots, it would be a mile high!)