No legend title on graph.

In Anserws I added graph view. All is ok, but legend text is empty.
In mesures area (Vertical Axis ) there are two bars:
1. totals for products
2. totals for regions
Horizontal axis is date
When editing graph view, on sample area there are legend text like this:
sample
| -- totals for products
|________ -- totals for regions
but when I open analyse there is no text 'totals for products' and 'totals for regions' for legend markers
In graph properties on tab 'Title and legend' for Labels for Legend I choose Font:family=Arial Narrow, color=#000080, style=regular, size 20

Welcome to the Apple Discussions. Previewing the book as LarryH suggested the dust jacket will look like this:
Click to view full size
There you can see the elements of the jacket. If you choose a photo cover with no text you won't get any text on the spine.
Happy New Year

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Is there any way to link the individual rows of data to the corresponding bars in a bar chart so that each legend title appears simultaneously with its corresponding bar when creating a build? I can do it in a pie chart but can't in a bar chart.

Is there any way to link the individual rows of data to the corresponding bars in a bar chart so that each legend title appears simultaneously with its corresponding bar when creating a build? I can do it in a pie chart but can't in a bar chart.

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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.
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Gurdas Singh
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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:
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Kindly note I am using LV FDS 7.1 on Win2000
Thanks,
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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

Line chart legend titles - fixed length?

Hi
I use a number of line charts wherein I specify the title of the individual series via variables &var1. and so on.
When I use more than 3 series in the chart, the 4th and following(up to 6) series titles are shown in '2nd' column' in the legend title/color area of the chart.
However it seems 2nd column always start a fixed number of px to the right of the 1st column no matter how long the titles of the legends in the first column is.
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Can I get around that somehow? Is there a fixed length defined somehow?
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Best regards,
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I've the same problem with APEX 2.2, does someone has an issue?

Changing Chart Legend Title

How do I change a legend title? I created a bar chart using the chart wizard, and the legend title was taken from the name of the column appearing on the Y-axis. I changed the axis label, but this change was not propagated to the legend title. Is there anyway to change the legend title, either directly or through PL/SQL?

Bill,
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There are examples of getting the handle to a chart opject in the demos & documentation.

Scroll bar on legend for xy graph

Is there a way to create a scroll bar for the legend of an XY graph? The number of entries in the legend will be changing programmatically so the legend needs to be able to grow dynamically (which I have figured out how to do using property nodes). Any ideas?
Cheers
CLA, CLED, CTD,CPI, LabVIEW Champion
Platinum Alliance Partner
Senior Engineer
Using LV 2013, 2012
Don't forget Kudos for Good Answers, and Mark a solution if your problem is solved.

Ultimately I will have 6 xy graphs in my vi, I would like to have a seperate scroll bar for the legend of each graph. Each graphs legend will both grow and shrink as the program runs and I would like to use the scroll bar to keep the legend from growing off of the screen. I would like to be able to dislpay the data from the point (6 m/s for example) along with its symbol on the xy graph (red dot for example) in the legend. If I am umderstanding you correctly I need to bundle the type and color of the plot into a cluster with the data and then link that cluster to the scroll bar, I assume I can read the property node for each data point (setting it to active plot first) for both plot style and color? Let me know if I am thinking about this correctly or if I have misinterpreted what you are saying. Thank you very much for your help!
Cheers!
CLA, CLED, CTD,CPI, LabVIEW Champion
Platinum Alliance Partner
Senior Engineer
Using LV 2013, 2012
Don't forget Kudos for Good Answers, and Mark a solution if your problem is solved.

Problem in displaying selected page items in the title in Graph

Hi There;
I have a problem in displaying selected value of named page item in the graphs.
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Hi Michael;
Thanks a lot. It might not have been considered necessary but you do require, e.g in my case I am plotting Average value of a Parameter and it does make sense in including the name/value of Parameter(surface water temp/bottom watter temp) as an Axis instead of just a constant Parameter or say Average Parameter. So that user can plot the variation of different parameters by changing the page items and when user changes the value of parameter and export the graph he/she has the parameter name(actual value) in the graph.
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I would log a SR and see what they say.
Thanks again,
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Legend for 3d graph

I want to know how to make a legend for 3d graph.
I actually posted my question on the following thread but since there havent been any replies, I thought I could just post it here.
http://forums.ni.com/ni/board/message?board.id=170&message.id=160715#M160715
Please click on the link for my question.
Thanks.

Hi kmo,
I'm sure it is possible to get a color map... but I'm affraid I could'nt get to the result you wish I think I'm not far..
Maybe somebody knows hox to get it from the variant, I am not used to use these "tools": Sory...
If you don't need a real 3D graph, it might be easier to use an intensity graph.
When my feet touch the ground each morning the devil thinks "bloody hell... He's up again!"
Attachments:
Wafer.vi ‏99 KB

How to change the legend value in graph OBIEE

I have 2 columns A and B are measure columns.
How can I change "A" and "B" in the legend of my vertical bar graph to "LIA" and "ASSET", without changing the A,B name in my subject area.
Thanks for any help!
Edited by: user6388889 on Nov 18, 2012 5:46 PM
Edited by: user6388889 on Nov 18, 2012 5:55 PM

Hi,
You can set Axis titles (Vertical Axis & Horizontal Axis) from Graph Properties --> Titles and Labels --> Axis Titles. In case of multiple columns on the access you will be seeing Vertical Axis 1 and Vertical Axis 2.
Let me know if this helps.
Regards,
Jay

How to change the text in the legend of a graph programmatically in labview

I have many graphs in one plot and want to show the legend the name of the graph (i.e. the filename). How do I change the text in the legend programmatically?

Create a property node for your graph. Use the property node "Active Plot" to define which plot (or line) you want to rename. Then write the new legend label to the property node "Plot.Name". See attached.
Tim
Attachments:
legend.vi ‏12 KB

How to make use of the Legend from XY graph?

The hardware i am using will create a plot everytime i do a scan. I will upload the it result(plot) to another XY graph. I try to create a multi plot on the XY graph but it seems not working. I am wondering how can i make use of the legend that come with the XY graph to solve my problem.

Hi,
You should be able to plot as many XY arrays to the graph as you need. As long as you don't delete the previous plots they should remain there. This will make things much easier than dealing with 2 graphs.
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Regards,
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How to Create Legend and Label Graph using VBS

Hi,
I've scoured the internet before I had to resort to asking my question here. I hope someone can answer my question.
Using VBS, how can I create a legend of the channels used in the graph and label the axis in the graph? Thanks in advance!
Solved!
Go to Solution.

I've managed to figure out how to create the labels...
Call GraphObjOpen(D2AxisXObj(1))
D2AxisXTxt = "@@ChnName(CurrChnNo)@@ [@@ChnDim(CurrChnNo)@@]" ' Defines the x-label
Call GraphObjClose(D2AxisXObj(1))
Now to figure out how to create the legend. If anyone can help me, that'd be great.
...And now I feel like a downright idiot.
After more scouring I managed to find what I need
Call GraphObjOpen("2D-Axis1")
'------------------- Swith legend on -------------------------------
D2LEGDRAW =1
D2LEGTXTTYPE ="Free text" ' "ChannelName" or other keywords
D2LEGTXTFREE ="My free legend"
Call GraphObjClose("2D-Axis1")
'redraw
Call Picupdate()

Automatically labeling plot legend using XY Graphs?

I want to plot:
Time Amp
1 2
2 4
3 9
How do I get the legend to automatically say Amp, instead of Plot 0? I went to property node -> legend and I don't see any option
that would read the "column" header and label the legend accordingly.
In my example, the X array (Time) and Y array (Amp) are fed into Bundle which is then fed to the XY Graph input. The X array (1,2,3) and Y array (2,4,9)
obviously carry no information about their respective column names (Time, Amp). So, the legend must read this information separately, but I don't know
how to feed this information to the plot legend.
Solved!
Go to Solution.

You simply need a property node for "plot.name". You have only one plot, so the following is sufficient (of course you would replace the string diagram constant with whatever you read from the column header in the file)
(If you have several plots, you would do it in a loop, setting the active plot from the iteration terminal, first, then writing the name)
Since this is an xy graph, I would actually hide the legend and simply label the two axes according to their header. This can be done in a similar way with property nodes. See if you can figure it out.
(Of course if the labels never change, enter them once manually and they will be saved with the VI. No code needed.)
LabVIEW Champion . Do more with less code and in less time .
Attachments:
SetPlotName.png ‏3 KB

Rotate Plot Legend of XY graph

Is it possible to rotate the plot legend so the letters of the plot names run from bottom to the top rather than across the operator interface?
The names for my plots are bigger and I need to show at least four plots at the same time. Putting scales to the right/left/above or below without rotating may cause a shorter XY graph!
Any ideas for me?
Regards
K Waris
Solved!
Go to Solution.

Hi,
I don't know if there is a native way to do it, but you can "cheat" to do that:
You can move the array where the legends are, or even make the array grow into lines instead of column.
Is the idea ok for you?
Giuliano Franchetto
Student at the l'Ecole Nationale Supérieure des Mines de Saint-Etienne, cycle ISMIN (FRANCE)
Attachments:
up to dowm legend.vi ‏17 KB

WPF Legend Binded to Graph.

Hi,
I have a ni:Legend object binded to the Plots of my Graph object. Which Property of my Plot should I set from the C# code to see it displayed in the Legend window?
   <ni:Legend Name="MyLegend" ItemsSource="{Binding ElementName=MyGraph, Path=Plots}" />
        <ni:Graph Name="MyGraph" DataSource="{Binding UpdateSourceTrigger=PropertyChanged}">
            <ni:Graph.Plots>
                <ni:Plot/>
            </ni:Graph.Plots>
</ni:Graph>
MyGraph.Plots[0].??? = ???
Solved!
Go to Solution.

The legend uses a WPF ContentPresenter to display the plot Label property. In the case of UI elements, it appears that ContentPresenter defaults to using the ToString representation, instead of the element itself.
To display content like "Something", you will want to assign that content directly to the plot Label property:
    MyGraph.Plots[0].Label = "Something";
If you want to specifically show a WPF Label content control in the legend, you can use the LabelTemplate property:
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        <ni:Plot>
            <ni:Plot.LabelTemplate>
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                    <Label Content="{Binding}" />
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        </ni:Plot>
    </ni:Graph.Plots>
~ Paul H

No legend title on graph.

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