Graph: Scale Legend without Scale Label

Hi!
Is there a way in LabView 8.6 to make Scale Label on Scale Legend invisible ? I'm sure I've done it in an earlier version of LV.
Regards,
Ljubo.
Attachments:
Without_Scale_Label.jpg ‏9 KB
With_Scale_Label.jpg ‏7 KB

Just use a property node for the graph and change "Yscale.namelabel.text", for example as in the image:
Message Edited by altenbach on 07-15-2007 01:08 PM
LabVIEW Champion . Do more with less code and in less time .
Attachments:
AxisLabel.png ‏2 KB

Similar Messages

Labview graph scale labels do not update

I am using XScale.NameLbl.Text and YScale.NameLbl.Text graph properties to programmatically change the labels on the X & Y axis. It seems to work when I run the subVI containing the graph, but when the subVI is placed in an application, they do not update based on the plot data that is selected to be plotted.
Attachments:
WC3000_Histogram_Plots.vi ‏96 KB

I think I understand your question. Your subvi has the waveform wired as an output. In the main vi that calls the subvi, you wire the output to a graph - correct? So you're looking for the graph properties in the subvi to be transfered to the main vi graph - correct?
If this is correct - it doesn't work that way. The waveform is just a cluster of t0, deltat, and the y array of data. None of the graphs properties are passed out of the subvi.
There are many ways to do what you're trying to do. You could wire the returned strings that you use for x and y labels as outputs of the subvi, then update the property node of the main vi graph. You could also pass a reference to the main vi graph to the subvi and make the x and y label changes to the main vi graph in
the subvi. I think the first option is probably easier.
Tim

INVERTING SCALE LABEL IN XY GRAPH

Hi All
Is there any way to inverse the direction of scale label in xy graph?
If we duplicate Y scale and swap side then the scale label appears in different orientation in the y2 scale (compared to y1)
If y1's label is voltage1 and is appeared frm bottom 2 top then the label of y2 say,voltage2 appears from top to bottom.I want the two scale labels to be identically oriented.Is there any way to do that?
Thanks in advance.

There is a very simple solution : create a free label (use the text tool) and place it over the scale label. A right click will let you choose the label orientation. That what I did on the attached front panel. Of course you'll choose the right back ground color !
Message Edité par chilly charly le 11-23-2007 03:14 AM
Chilly Charly (aka CC)
E-List Master - Kudos glutton - Press the yellow button on the left...
Attachments:
Example_FP.png ‏4 KB

Unlink x-axis marker values from graph scale

Say there are three points to plot: y-values 2.1, 2.2 and 2.3. The x-values are 0, 1 and 2, respectively. How can the x-value marker values be changed to 22, 50 and 100 without rescaling the plot's x-axis?

> I've tried this with all graph types. I want the points to be evenly
> spaced on the x-axis. I want the marker labels on the x-axis to be
> arbitrary. e.g.: plotting gain error (y-axis: generally {-1%..1%})
> versus gain setting (x-axis: generally {48, 24, 8, 4, 2, 1, 0.5,
> 0.025...}).
>
The LV graphs support linear and log scaling, and they support a linear
transform between the plotted value and the labeled value, but you are
correct, they do not allow arbitrary labeling of the points on the scale.
To work around this, you might look at placing cursors/markers on the
graph. Show the text labels, hide the lines and points, and set the
color however you like for the text. The marker location can be at the
bottom or top of the g
raph, and the text can be your arbitrary values.
Then hide the X Scale.
Another approach is to hide the scale and have an array of strings or
numerics that you overlay. The problem with this approach is that as
fonts change when you change platforms, or MS changes the default font,
your array and graph won't line up. The markers on the graph always will.
Greg McKaskle

Graph scales break

Using LV7.0. Having a problem with a waveform graph. When I programmatically show and hide the multiple scales using the visible property, the scales do not re-appear where they are supposed to. I have to reset the scale layout to get them back to normal. Then, when I hide them and show them again, they have moved again. Sometimes, the background of the graph covers them (it doesn't resize properly) and other times the scale labels overlap each other. Has anyone had trouble with this and if so, how do you fix it? Thanks.

Opened with LV2010 and the problem is gone. I guess it was a bug with 7.0. I wrestled with that bug over and over throughout the years without a really good fix. Good riddance.

How can I add custom captions to a waveform graph scale?

I have an application that displays one or more signals in a WvfmGraph. The X Axis is set by a hardware encoder giving signals vs. distance (measured length). I would like to change the caption of the XScale according to the values of one of the signals. Its similar to an XY graph, but differs in that I want to see the data unrolled.
The problem is that the X Axis scale markers are fixed. I would like to ask the graph what is range property of the X Axis scale. Then use that information and a derived position signal to replace the marker values with values from a derived signal that includes relative motion.
For example, measuring a unit 100 feet long results in measurements of 200 feet worth of data (out and back). The customer would like to see this data unwrapped 0, 50, 100, 50, 0.
One alternative is to use an XY Graph, but the data on top of itself. Not necessarily a bad thing, but not the same as what they have always had.
I found a similar post to display the scale at a rotation (CW or CCW) and was able to get it to work for my specific case. The problem is that my picture marker values are not aligning nicely with the corresponding gridlines.
Attachments:
Position vs MeasuredDistance.PNG ‏43 KB
Position vs. PseudoPosition.PNG ‏37 KB

Stephen,
Thanks for replying to my post. XScale.Range does not handle this situation. In "rigorous" terms, LV does the right thing with X axis scale markers and put them where you want. I tried to set custom Marker values as: {0, 50, 100, 50, 0} and only saw the first three values. My guess is that under the hood, the spacing is set to 'Arbitrary' and my custom values are overwritten. Not what I intended, but I admit my task is not the normal use case.
Today I am prototyping the entire application with each WvfmGraph replaced with XYGraph's. Good thing I used a modular design and passed Refnums around to all my subVI's. Depending on a review of this prototype, I might skip this graph scale formatting.
FYI, the original graph issue wanted to rotate the marker labels CCW. They hid the graphs XScale and used a custom picture to display the new scale. There is a VI that formats an axis with custom labels, where the font, text, etc. can be customized. I have a working example of that custom scale on a Wvfm graph. I stopped refinement when I tried to consider use cases for how the user would zoom on the data, how the graph's label's would appear if the DAQ signal indicated that the part reversed on itself. All the data is better visualized on an XY Graph.
p.s. are you one of the Waterloo Labs engineers? Great stuff!

Reciprocal Graph Scales

I'm trying to plot an XY Graph with one of the scales (x-axis) set to the reciprocal of a variable. I can plot this by calculating the values within an array, however the scales (as would be expected) now show the reciprocated value (ie. 1/value). I would like to plot the reciprocal values whilst still displaying the actual values, similarly to how mapping in log mode would show the value before taking it's logarithm. Essentially I'm wondering if a reciprocal mapping mode can be generated, since the scale varies non-linearly. I'm using LAbview V8.0. Thanks.

Wiebe@CARYA wrote:
Create a property node of the graph, select the Y Scale, and select the property Marker Values[]. With this property, you can set the markers any way you like it (the values are sorted automatically). Use the Flipped property to reverse the scale.
I am pretty sure if this will not work because "stel" wants labels that don't correspond to the underlying plotted data. For example, he wants to show a 10 where the value is actually 0.1, etc.
The proper solution would be to make your own graph in a picture indicator. Have a look at the example "XY Multi Plot.vi" as a starting point.
Unlike the scales of sliders, graph scales unfortunately don't support text labels (Now here's something that could be useful! ). Of course you could cheat, hide the graph axis and substitute a slider with only the axis shown. Now assign label/value pairs of e.g. "10"/0.1, "2"/0.5, etc.. as desired.
Align everything perfectly and make sure to disable "autoadjust scales" on the graph so things don't move around. See how far you get.
LabVIEW Champion . Do more with less code and in less time .

How is it possible to draw a graph using without any label along the x-axis

Hi,
I created a bar-graph using the tabular data below:
public List getTabularData() {
List list = new ArrayList();
String[] rowLabels = {"Allocation","Forecast", "Bookings", "Loaded"};
for (int r = 0 ;r<rowLabels.length ;r++ ) {
if ( r == 0) {
list.add(new Object[]{"Alloc/Forecast",rowLabels[r],new Double(_allocation)});
if ( r == 1) {
list.add(new Object[]{"Alloc/Forecast",rowLabels[r],new Double(_forecast)});
if ( r == 2) {
list.add(new Object[]{"Booking/Loaded",rowLabels[r],new Double(_bkg)});
if ( r == 3) {
list.add(new Object[]{"Booking/Loaded",rowLabels[r],new Double(_loaded)});
return list;
This is creating a two groups "Alloc/Forecast" and "Booking/Loaded". Group labels are shown in the x-axis.
But I don't want to show the labels. Instead, only the graph with two groups without any labels in x-axis. How is it possible ?

User,
I haven't tested this at all - you may want to have a look at the [url http://download.oracle.com/docs/cd/E12839_01/apirefs.1111/e12418/tagdoc/dvt_o1TickLabel.html]dvt:o1TickLabel component to see if it can suppress the labels.
John

Programatically edit graph scale

Hi,
I kow that I can edit graph scale values simply mouse clicking on them, and typing new values.
Now I want to reproduce this behaviour programatically, but the problem is that I can't use the mouse in my application (only keyboard is available )
So, is there a way to programatically get focus to scale boundaries (x_min, x_max, y_min, y_max)?
I hope so...
I need to programatically setting them.
Using LV 6.1 on Linux Fedora Core 3
Vix
In claris non fit interpretatio
Using LV 2013 SP1 on Win 7 64bit
Using LV 8.2.1 on WinXP SP3
Using CVI 2012 SP1 on Win 7 64bit, WinXP and WinXP Embedded
Using CVI 6.0 on Win2k, WinXP and WinXP Embedded

I'd have suggested this too - but you may be limited. Imagine you have set your control to increment by 0.01 (for precision reasons) - how long may it take if you want to set a value of 50?
By the way - building a num pad is not that complicated. Of course it takes time to accomplish, but I think you are most flexible.
Using LV8.0
Don't be afraid to rate a good answer...

Polar plot scale labels and background colour

Dear Labview Forum,
I am trying to create a polar plot. However when I put the polar
plot indicator on my front panel and wire up some data and parameter
control boxes, the scale labels are missing. See polar plot
basic.VI. Are the scale labels there or are they the same colour
(black) as the background and hence not visible?
When you compare this to the polar plot demo, the background is white and the scale labels are present.
How can I control the polar plot background colour parameter?
How can I control the scale label colour and visibility?
Regards,
Jamie
Message Edited by Jamieg on 01-17-2007 02:18 AM
Using Labview version 8.0
Attachments:
polar plot basic.vi ‏31 KB
Polar Plot Demo.vi ‏33 KB
polar plot basic.vi ‏31 KB
Polar Plot Demo.vi ‏33 KB

I'm so sorry ... i am also unable to find the Propety Node... i think i mistook changing the Label/Caption bg colour as changing the whole bg colour... i'm so sorry...
i've tried searching but to no avail... my apologies...
all the best to your application...
Best Regards,
JQ
LV 8.0 user...

Is it best to set waveform graph scale properties before or after sending new data to the graph?

Hi I'm wondering when is the best time to update waveform graph scale properties.
I am sampling data every 15 minutes for 192 samples, i.e. 48 hours. I want to plot these samples with the x scale in absolute time mode so that x scale maximum is the current time and x scale minimum is x max minus 48 hours (172800 seconds). I also want the intermediate scale markers to be 6 hours apart and to be multiples of whole 6 hours. e.g. at 06:00, 12:00, 18:00. This works OK using property nodes but sometimes the intermediate markers are on the 6 hour multiples and sometimes they are at 6 hours after the min scale marker. e.g. 09:15, 15:15, 21:15. Is there a way of guaranteeing that the intermediate markers will be on the 6 hour multiples?
Thanks,
Neville
Solved!
Go to Solution.

Hi Bryan,
Thanks for your reply. I have discovered that I can achieve what I want by using an XY graph instead of a waveform graph. I want X max to be the current time and X min the be 48 hours earlier with intermediate scale markers on multiple of 6 hours. The XY graph in the attached VI does exactly that but I can't get the waveform graph to behave as I would like. Is there a way of getting the waveform graph to behave as I would like?
Thanks,
Neville
Attachments:
waveform graph x axis scale.vi ‏16 KB

Getting graph scales and grids to only show integers

How do I get a mixed signal graph as shown in the attachment to only show the whole integers on the y axis and reduce the grid to doing the same?
Solved!
Go to Solution.
Attachments:
Graph Scale Issue.JPG ‏38 KB

Hello,
programatically, you have a property node for the graph scale that should do the job :"increment"
=> property node, Y scale, range, increment.
The grid will follow.
The minimum increment depend on the graph vertical size (and marker font size I guess, wich also has its property node)
example attached, hope it helps.
antoine
Attachments:
increment sample.vi ‏11 KB

Changing Graph Plot Legend

I have no problem changing a normal graphs plot legend with a property node, but I'm trying to display three different sets of data on one graph. I tried doing it using a plot reference with the Plot Legend and using Caption Text. They should be settable when the VI is running, but the way I was trying to do it I got a reference error (1055 Reference Invalid). Setting either the Plot Legend or Caption Text would be acceptable if I could just figure it out.
I'm trying to display 32 spectrums, but only use 8 graphs and have the name of the particular channel change. Doing this without doing an FFT the channel name gets brought into the graph, but when I use the Power Spectrum VI I don't have the Spectrum Info wired into anything. So, I'm bringing my original channel name array over and trying to do an iteration to pick the correct plot reference and channel name.
I've extracted only the part of my code for this question, so hopefully it is easy to look at what I'm doing.
The first VI and SubVI are functional. The second SubVI is where I was attempting to change the Caption Text. I've tried other things too, but I just wanted to show one way I was attempting to do it.
Solved!
Go to Solution.
Attachments:
Part of Analyzer - Displaying Graph Legend.vi ‏1432 KB
Calc Channel Indices 1_35.vi ‏27 KB

I don't have the SV add on so I can't check out your main program. I looked at your sub vi and you're doing more code than you need to. Take a look at my example, I've put your 8 graphs into a cluster then used an array of references along with arrays for your chanel indecies. Maybe it can give you some ideas for your program.
Attachments:
Calc Channel Indices 1_35 mod.vi ‏766 KB

Qucik Graph Cursor Legend Questions

Hi all,
I have a couple of quick questions regarding my graph cursor legend:
1. Is it possible to move the position of the cursor legend during runtime? I cannot seem to drag it around the graph?
2. Can I hide/remove the cursor mover? This is not needed and is for this vi as I need to be able to manually drag the cursors only.
I am accessing the cursor legend during runtime through a right-click and selecting "visable items:.
Thanks,
Jack

Hi please check Using Cursor Legend in this link if it is helpful
http://zone.ni.com/reference/en-XX/help/371361J-01/lvconcepts/customizing_graphs_and_charts/
Sorry i don't know exact answer for questions, But did you try property node of Cursor.
-To access it, right click the graph indicator in Black Diagram and go to create>>Property Node>>Cursor.
-Lot of options regarding cursor available there, you can make selected property to write or change the parameter. and check this for help on cursor properties
http://zone.ni.com/reference/en-XX/help/371361J-01/lvprop/cursor_p/
Thanks
uday,
Please Mark the solution as accepted if your problem is solved and help author by clicking on kudoes
Certified LabVIEW Associate Developer (CLAD) Using LV13

Silver XY Graph Control legend does not scale properly

When a Silver XY Graph Control is dropped on a front panel, and the control is set to "Fit Control to Pane", the graph legend does not move like it is supposed to. This seems to only affect the XY graph. The waveform graph/chart opererate correctly (i.e., like the Modern controls). Can anyone confirm this?
Chris

Hello D60,
This behaviour has not been fixed in LV 2012.
COPY - Please use "Copy to clipboard" by right clicking on the background
PASTE:
Please note that only the background of the graph will change. The rest of the elements such as the legend will not be altered (I did specify this was a cheap workaround )
In my case, this was not an issue, since I was only displaying the legend (which I made transparent anyway).
Please see the attached .ctrl file.
Merry Christmas!
Jorge
Attachments:
Silver XY Graph (Fix).ctl ‏8 KB

Graph: Scale Legend without Scale Label

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