How to Stack 16 Plots in an 8-Graph Chart

Here's a good one:
I have a stacked chart with 8 graphs. I'd like to display 16 plots on the 8 graphs with each 2 plots overlaid (in different colors). Is there a way to do that?
Fataneh

Hi Fataneh,
Using the "transparent" color you could make one of two charts "see-through"...
- what do you think?
When they give imbeciles handicap-parking, I won't have so far to walk!
Attachments:
overlay.GIF ‏61 KB

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How to show and hide plots which are stacked and plotted on the one graph?

I am currently designing a Logic Analyser with 8 channels. These are plotted on a graph, stacked on top of each other. The user is able to select which plots he/she wishes to examine (i.e 1,4,6). I need to figure out how to hide the plots not required and show the plots needed.

Hi,
Did u say stacked?? then you must be using a chart not a graph
Nevertheless, as Unclebump has suggested, here is a Vi to give you an idea on how to use active plot and visible property nodes
Build on it to hide/show plots
Regards
Dev
Message Edited by devchander on 01-24-2006 06:09 AM
Attachments:
plot.vi ‏176 KB

Stacked Bar Plots in Mixed Signal Graph

Is there a way to have a stacked bar plot compiled and displayed in the mixed signal graph indicator from multiple plots as inputs?

I think we are getting closer but I do not see what I would expect in a stacked bar graph in excel. Please take a look at the data in the array in column 525. It has more than just qty 2 of the value 1 in many of its cells. Hence I would expect to see a spike greater than 2 which is what I see on the chart that you provided. I did the task in excel and it was easy to do and have attached it for your reference. It is the same data that I provided above in the prior vi.
Attachments:
stacked column chart.xlsx ‏110 KB

I need to graph data and stack the plots to create 3 graphs, how do I plot more than 1 data line on each graph

I currently use a code heavy solution thats clunky and need to refine the graphing part. For simplicity I want to use the waveform chart and its "Stack Plots" option. However I cannot see how to collect 2 or 3 data streams and display them on 1 of the stacked plots.
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Help Appreciated

Hi,
Sometimes the Synchronous Display option makes a difference (right
mouse>advanced>Synchronous Display). Or while running, right click>Smooth
Updates. Fiddle around with them, sometimes unexpected settings has the best
performance (only four combinations anyway).
Regards,
Wiebe.
"CB" wrote in message
news:50650000000500000005810100-1079395200000@exchange.ni.com...
> Dennis,
> Thanks for that, I had tried your solution earlier while developing
> the package. A bit dissapointing the stacked plots wont work. it'd
> save lots of code and simplify the whole graphing part of my package.
> I am reluctant to overlay transparent graphs etc on top of others
> because I am aware it could hinder performance, I am doing a lot in my
> pac
kage and need to get the most out of the machine. My current
> solution is nearly ok and consists of 3 waveform charts contained in a
> cluster. I need the 3 charts to line up accurately and be of identical
> size which involved plugging into the various sizing/xy line up params
> which was a bit fiddly. The main problem is the bottom graph seems to
> end up lagging at some point which gives doesnt look too good. When
> the PC gets loaded up with too much work its best effort means the
> bottom graph get missed out (or something like that) occasionally. I
> have noticed this on all the machines it has run on even my new 3Ghz
> machine.
> I am sure this could work ok but I cannot figure how to force the
> graphs to only continue once all 3 have their data.
> Thanks in advance, Regards, Chris

How to get bar plot stacked in one graph?

Hi there,
I am having a problem trying to get a stacked bar plot in one graph. I attached two images to show you what it looks like now and how I would like it to look.
At the moment I am making two x,y clusters, bundle these into an array and give that as input to the XY graph. This gives me the image where the bar plots are shown next to each other. However, I want them to be shown on top of each other and I cannot find a way to do this.
I searched this forum and the help and looked at the available properties for the XY graph, but it seems impossible. So I was wondering if anyone here is able to help me solve this.
Thanks in advance,
Steph.
Attachments:
current.png ‏7 KB
wanted.png ‏10 KB

Thanks! Maybe I am not understanding the terminology and a "stack graph" may not be what I am looking for, but here is my small example.
DATE
DATA 1
DATA 2
1/2008
3
4
2/2008
4
8.5
3/2008
6.58
38.9
I would like to do a bar graph where DATA 1 AND DATA 2 overlap each other like Steph's example of a stack graph.
and the "DATE" will be on 'x-axis' while data 1 and data 2 will be values show on the y-axis. (Note: data 1 will always be data 2, it will show up with two colors where one color is always taller than the other).
Is this stack graph the right path? I am new at using the graphing icons in Labview, I do not even know how to I would go about loading these as inputs to the VI.
Please advise me on the right path. Thanks again!
Eileen

How to Generate Event on change in Plot Legend for XY Graph

Hi,
I have two XY graphs on the front panel and would like to maintain a common plot legend such that any change in the plot legend affects both graphs.
Objective: I would like any value change in plot legend to fire an event.
How do I program that?
I know of value change event for the graph but am unable to find something specific to the plot legend. Other option is to have the user press a "refresh" button that will fire the event.
Feel free to share thoughts on other elegant methods to achieve the same objective.
Thanks,
Gurdas
Gurdas Singh
PhD. Candidate | Civil Engineering | NCSU.edu

Hi Sarah,
Looks like you are talking of exactly what I want!
I have attached a sample VI to try achieve what I want. But it still has some issues which are:
1) I am unable to configure a Plot Attribute Change Event. I have used a mouse leave event instead. How does one configure a Plot Attribute Change Event?
2) Is there no single property which will transfer all the settings of plot legend from one graph to plot legend of another graph? In my sample VI, I have to read each property of the master graph and feed it into the slave graph.
Kindly note I am using LV FDS 7.1 on Win2000
Thanks,
Gurdas
Message Edited by Gurdas on 03-27-2006 11:51 PM
Gurdas Singh
PhD. Candidate | Civil Engineering | NCSU.edu
Attachments:
Graph_PlotLegend_Event.vi ‏45 KB

How do I determine the number of plots on a waveform graph?

How do I determine the number of plots that have previously been plotted on a waveform graph? I am loading dynamic data from a file. If I convert to an array and size it and there is only one plot, I get the number of data points and I don't know how to tell the difference.

Usually by reading the graph terminal or a local of it and determining the first or second dimension (not sure which at the moment) size of the resulting 2 dimensional array. If it is a 1 dimensional array you have either only one plot or an array of clusters each representing one plot. But as these data types are determined by compile time, there shouldn't be a problem with this causing ambiguity.
Rolf K
Rolf Kalbermatter
CIT Engineering Netherlands
a division of Test & Measurement Solutions

How to display scope plot in Labview GUI?

I am trying to figure out how to show TDS8000 scope output plot in LV GUI(?)
This maybe a two fold question.
1. I suppose it may be necessary to adjust the scope scale with appropriate level so that the plot will show enough details of information. (e.g., finding Max and Min points)
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It would be a great help if anyone can share an example VI.
Thanks,

Hi jjlee,
It shouldn't be that difficult of a task. Most instrument drivers have
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You would connect these two VIs and then take the output from the
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Hope this is of some help,
Regards,
Matt S.
LabVIEW Integration Engineer with experience in LabVIEW Real-Time, LabVIEW FPGA, DAQ, Machine Vision, as well as C/C++. CLAD, working on CLD and CLA.

How can i make a plot in a 3d graph invisible

hello all,
attached is a half-way completed vi which shows how i would make the plot/plots in the 3d graph invisible. unfortunatly i do not know how "item" can refer to the plot i want to make invisible.
any ideas?
Solved!
Go to Solution.
Attachments:
remove plot in 3d graph.vi ‏27 KB

You are almost correct.
The Item input is a string whose value is the name of the target plot. You can view all the plots names from shortcut menu->"CWGraph3D" group->"Properties" item->"Plots" tab ->"Plots" list.
Attachments:
remove plot in 3d graph.vi ‏20 KB

How to print a plot with two colors Without using two plots

Hello everybody,
Escuse my English (poor Frenchies....)
I'm working with VB6 and I will need to print a plot with two colors (Some values greater than a trigger for example, ...)
I was looking for some help to discover if that thing is possible without using another plot, this is what I'm already doing, and it do not satisfy me (and my boss....)..
Thank for your Help.
Julien

Hi Julien,
I have found on the different link to make that you want.
This first link is on National Instrument site, the first is general, and second provided information about : How Can I Programmatically Print Out a ComponentWorks Graph Object?.
http://digital.ni.com/public.nsf/websearch/81D87CB2A5BF6C11862569E4008240FE?OpenDocument
http://digital.ni.com/public.nsf/websearch/dc3430165bc916c586256317006f8cc9
Links below are on the web, and explain how do you can print a graph on Visual Basic. (the first is French link )
http://khany.developpez.com/tutoriel/mschart/
http://www.programmersheaven.com/zone1/cat378/18546.htm
Regards,
Message Edité par Christophe S. le 12-27-2005 01:51 PM
Christophe S.
FSE East of France І Certified LabVIEW Associate Developer І National Instruments France

How to Send Multiple Plot XY Graph from LabVIEW to Microsoft Excel

The link below describes exactly what I would like to do, however the link to the solution/work around does not work.
Has anyone got an alternative solution?
http://digital.ni.com/public.nsf/allkb/CFD30D5E9C01AB5386256CFB0082AF3E

Please check the link again as it seems to be working fine now.
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http://digital.ni.com/public.nsf/allkb/CFD30D5E9C01AB5386256CFB0082AF3E
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Attachments:
example.zip ‏35 KB

How to stack a png rollover on a png image

I can not figure out how to stack a PNG Rollover on to another PNG image. I have look high and low.

https://www.ideaforgestudio.com/uncategorized/easiest-way-to-create-a-css-rollover-for-an- image/

How can I draw two differenct plots at the same graph?

[I am beginner]
I have two different set of data which have differenct x-axis values. How can I draw two data at the same plot?
For example, one data set is
x y
1 3.5
3 2.3
5 1.3
8 3.2
The other
1 2.3
2.5 5.4
4 2.5
If I use m_graph.plotXvsY two times. But it draw only one graph at the same time.
Please let me know. Thank you in advance.

Do you really need the two sets of data on the same plot or is what you really care about is that the two sets of data are in the same graph? If it's the former, then there's not much that you can do since a plot can only contain one set of data. You can append to an existing set of data by calling the corresponding Chart (for example, ChartXvsY) method, but the result is that the plot's data will appear continuous.
If it's the latter, the way to do this is to add multiple plots to the graph and plot each set of data in a separate plot. For example, go to the Plots tab in the graph's property pages, add another plot, then here's some sample code that demonstrates how to plot the sets of data from your example above:
double xData1[] = { 1, 3, 5, 8 };
double yData1[] = { 3.5, 2.3, 1.3, 3.2 };
CNiReal64Vector xDataSet1(4, xData1), yDataSet1(4, yData1);
m_graph.Plots.Item(1).PlotXvsY(xDataSet1, yDataSet1);
double xData2[] = { 1, 2.5, 4 };
double yData2[] = { 2.3, 5.4, 2.5 };
CNiReal64Vector xDataSet2(3, xData2), yDataSet2(3, yData2);
m_graph.Plots.Item(2).PlotXvsY(xDataSet2, yDataSet2);
Hope this helps.
- Elton

How to clear polar plot Programmatically

How to clear polar plot Programmatically, thanks!

This doesn't technically clear the plot, it's writing an array of zeroes to it. But if all you want is to make the plot appear to dissapear that's ok.
I've taken a closer look and found that you have to use the Erase First property node to set which pictures can be erased. The default is never erase any, which is why the plot doesn't clear.
Then, you can get an empty picture constant from the pictures sub-pallet and wire that into the Value (Signalling) property node and it will work.
I have attached one VI with and one without the event structure to tidy things up, but you may not have the event structure available to you. I wrote these in LV2012.
Attachments:
PolarPlotV1.vi ‏16 KB
PolarPlotV2.vi ‏22 KB

How to move one plot upward or downward in a graph?

Dear All,
There are some buttons in my vi. Press it can move one plot upward or downward. I have thought one way, but it use too much memory. I have tried to move the variety of graph out of the event structure, but after that there is no plot display in the graph, I don't know why.
Is there any good way?
Thank you!
帖子被hugoliang在08-14-2006 05:55 AM时编辑过了
Attachments:
1.PNG ‏12 KB

I agree with Titou that 32 buttons don't make a great UI. Suddenly one would need a pilots license to operate it . Please consider changing your interface. A good programmer should always be willing to change features if they improve the design and usablility.
I would definitely also suggest to select the active plot with a control and only have one up button. In any case, here are two simple examples in LabVIEW 7.0. The first uses an index selector and the second an array of booleans.
Maybe these can give you some ideas. Modify as needed.
LabVIEW Champion . Do more with less code and in less time .
Attachments:
PlotShifter.vi ‏62 KB
PlotShifterII.vi ‏62 KB

How to Stack 16 Plots in an 8-Graph Chart

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