Date on X axis in graph

In which type of graph I could get date on X axis in graph other than line and bar. My graph has date in x axis and aggregate in y axis and a bubble in z axis which graph will support it.

this is to john
when drag and drop gantt>resource utilzation
i try use some date to display gantt but throws error.
so my question.? can we use date in gantt>resource utilzation.
if i remove date. it looks fine.

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Bar chart with current date in X axis

Hello
I have attached a vi that I hoipe somebody can help with.
If you look at the vi, there are two bars showing.
1.How can I attach the current date to the X axis.
For instance.....suppose the first bar (far left) was produced with data from yesterday...then the X axis would indicate yesterdays date.
The next bar was produced from data obtained today, so would show todays date.....etc
An array of dates is not suitable, as no prior date knowledge is assumed......just the current date when the bar was graphed.
2. Can the date be vertical....or even fancier....on a 45 degree slope, upwards and to the right
Thank you and best regards
Ray
Solved!
Go to Solution.
Attachments:
Bar chart.vi ‏16 KB

Hi, this will plot what ever data you got with the current date on the X Axis. But remember that since this is a graph, any new value plotted will erase the previous one. Dont have LabVIEW 9 otherwise would have checked your VI out. This plots each value with the current date.
LabVIEW 8.2,8.6,2009...still learning
Attachments:
Date Plot.png ‏16 KB

"Copy data" fails to copy entire graph image

Formerly "Copy Data" when right clicked would copy a graph together with the data for pasting as an image file into other applications.
I have an application that used to work fine like this but now if you "Copy Data" you only get the graph background, grid, axis, etc. No plot lines.
A graph which does copy correctly in a sub VI if running stand alone (not in the main VI), will not copy correctly when running from the main VI.
Export Simplified image works and preserves the data plot, but fails to preserve the same graphical look to the plot, so is not desired for this use.
Running 8.2.1. Many different development versions of this application had working "Copy Data" for months, so its a new occurance. Problem occurs in multiple office apps: Word, PPT, Paint, and on multple computers. Occurs on both development version and executables built in 8.2.1

I am having similar problem. Using "copy data" gives only a blank background. See attachment; export simplified image options works but copy data option does not. I am usiing LV 2009 SP1. Any help will be highly appreciated.
Attachments:
copy data.JPG ‏34 KB
export simplified image.JPG ‏70 KB

Custom data for x-axis

I am facing a problem with ploting a desire graph. I am acquiring data (in Volt) from peripheral and have to plot it against a calculated data in X-axis.
the X-axis data will be calculated from time. means like that--
                                                                                                    x=t*5000*15
the problem is -
                                 1. i have to access the time duration "t".
                                 2. i have to plot X vs Y where Y is a real time data.
is it possible to access the computer clock for this purpose or I have to do somthing else? which one will be more convenient?
Should I use XY graph or somthing else?

Hello Sukhiray,
Thank you for contacting National Instruments! It sounds like you are trying to just scale the X-axis by a multiplier. Is that correct? If so there is a property node that you can use that will do just that. I have attached a screenshot that shows you how to get to the property for the X-axis multiplier. If you place a Waveform Graph on the Front Panel and then go to the Block Diagram and right click on the Waveform Graph you should be able to navigate to the property and place it on your Block Diagram. From the formula that you have I believe you will just need to set your multiplier to 75000 and you will get the X-Axis that you desire. I hope this helps!
Thanks!
Bob H
Applications Engineer
National Instruments
Attachments:
Xaxis Multiplier.JPG ‏114 KB

How to print very long data series (wrap multiple XY graphs)

I'm working a data logger project where each file usually contains 5 - 10 minutes of data but sometimes may go up to 3 hours +. The customer needs the ability to print out all of the acquired data in XY charts.
If the amount of data recorded exceeds 15 minutes, printing all of the data on a single chart is not an option (granularity) so they want to print as many 15 minute chunks as necessary to cover the entire range. Ideally, they want to print out two 15 minute graphs stacked on top of each other on a landscape page. I can split the data into chunks (that's the easy part) but I need a way to create an arbitrary number of XY graphs and format/size them for mult-page print out (2 per page).
I'm looking for some ideas on how to solve this problem - any ideas are welcome as long as they involve LabVIEW and maybe Excel because it needs to be something i can integrate into the application. I can't use offline post-processing like Diadem in this situation.
Philip
CLD

Philip,
I would probably create one VI with two graphs formatted for printing. Then loop through the data, write segments to the graphs, print, repeat until all data is printed. This method allows one very simple VI to present the data for printing and allows the user control over what is printed via the calling VI. For example if they decided that 10-minute graphs were better for certain data sets than 15-minute graphs, all the calling VI needs to do is change the amount of data written to the graphs.
Write the data to a file to protect the data in the event of power failures or other unplanned events. Read it back to print if there may be too much data to keep in memory.
Lynn

In numbers, can i hide rows of data in a chart and still have that data show up in my graph?

In numbers, can i hide rows of data in a chart and still have that data show up in my graph?

yes.
To hide rows (or columns), select the rows (or columns), then right click in the row (or column) tab to expose the contextual menu. Select the menu item "Hide ..."

Saved VI file size changes when data is visible on a graph but not the default value

If a VI is saved when data is visible on a graph, the file size is larger; even though the default is set to be a blank graph. I have tested this in LabVIEW 8.6 and 2009. If you load the larger file, the graph is blank as expected. If this behavior is by design, it appears odd to me.
To duplicate the issue:
Create a blank VI.
Add a Sine Waveform VI and set the number of samples to 1,000,000.
Add a Waveform Graph VI that spans the entire monitor and connect it to the output of the Sine Waveform VI.
Save the VI and note the file size.
Run the VI.
Save the VI and compare the size to the original size.
The VI file size is larger.
In the Waveform Graph, select “Reinitialize to default value.
The VI file size returns to It’s original size.

Your obeservation is correct, and expected behavior.
This behavior is useful when you have inputs that you would like to set as defaults for the user.
Obviously, if there is a value to be saved, it will require some memory to store the value.
If the input is left empty by default, that memory is made available again.
It may not be easy to think of a good use for this for a graph, but think about for numeric or string controls.
What if the user isnt sure how they should input a certain parameter or value?
You could store a default value so they could see how they should input their value.
Message Edited by Cory K on 09-15-2009 11:12 AM
Cory K

PowerView continuous dates on x axis

HI, I am create a line report. I am not the DB owner. The x axis consist of the date range and the Y of the values. I don;t have data for every quarter. When I do a bar chart, I see quarters as follow: 201401, 201402, 201403,201404,201501 I set the
axis type as "automatic". Then I changed to a line format. The x -axis now has 201410,201420,201430....201490, 201500. If I choose categories as axis type, it looks correct but has gaps in the lines. Is there something in the report I can do or something
in the DB DB that they can do so that I can get a continuous line ? Or is this a known limitation ?
thanks
Heather

Hi foucault76,
According to your description, you created a line chart, then added date to category group and value to data area, the report works fine. After you change bar chart to line chart, the date in x axis could not display correctly. When you change axis type
to category, data of x axis displays correctly but there are gaps in the chart.
I tried to reproduce the issue in my local machine, but it works fine for me. In order to improve the efficiency of troubleshooting, I need to ask several questions:
Could you provide data type of date in database? What expression do you use to convert data to the format you provided?
“I set the axis type as "automatic”, which axis type do you use?
What’s the state of report now? Please provide some more detailed information of your requirements. I would be appreciated it if you could provide sample data and screenshots of the report in design mode.
This may be a lot of information to ask for at one time. However, by collecting this information now, it will help us move more quickly toward a solution.
Thanks,
Wendy Fu
Wendy Fu
TechNet Community Support

Data Point Symbol in Line Graph - can you change the size?

I would like to change the Data Point Symbols in line graphs - if not the actual symbol it would be wonderful to be able to change the size of the symbols provided.
At present, if there is a lot of data in the graph, the symbols are too big and crowd one another.
I know that one can reduce the line size but that doesn't change the symbol size.
Help please.

If I understand your question, this from the Pages online help may give the answer:
To mark line, area, and scatter charts with data point symbols:
Select the entire chart. You can also select the chart series (the line or area shape) that you want to mark with data point symbols.
Click Inspector in the toolbar, and then click the Chart Inspector button.
Click Series (except for scatter charts).
Choose a symbol from the Data Point Symbol pop-up menu.
Choose one of the following options from the Symbol Fill pop-up menu:
To fill the symbol with the same color as its outline, choose Use Stroke Color.
To fill the symbol with a solid color, choose Color Fill, click the Fill color well, and pick a color.
To fill the symbol with a gradient, choose Gradient Fill and use the gradient controls to set the colors and change the angle of the gradient.
To fill the symbol with an image, choose Image Fill and select the image you want. You can also resize the image by choosing an option from the pop-up menu above the Choose button.
To fill the symbol with a tinted image, choose Tinted Image Fill and select the image you want. Click the color well to the right of the Choose button to change the tint color. You can also resize the image by choosing an option from the pop-up menu above the Choose button.

How to present vibration data in G vs Hz Graph?

Hi all,
I'm using NI9233 to acquire the vibration data in X,Y & Z direction. I need to present these data in G vs Hz Graph. From the graph I need to pick up the value of the highest peak value in G and Hz. Btw, I also need to save the graph waveform every time I run my VI for different direction (X,Y,Z). Anyone can help me solving this problem?
Thank you.

Hi Ivan99,
You can create an acceleration task in Measurement and Automation Explorer (MAX) for your NI 9233 and scale it appropriately
to get your data in Gs. To create the task, open up MAX and right click Data Neighborhood then select Create New » NI DAQmx Task » Acquire Signal» Analog Input » Acceleration. Assuming you are using LabVIEW, you can use an Array Max & Min VI to extract the maximum value in a given data set. When you say you want to save the waveform every time you run your VI, would you like to save your data or the graph itself.
If you have never used DAQmx or LabVIEW to acquire data, I would recommend the Complete DAQ Tutorial as a starting point. I hope this helps.
Best Regards
Hani R.
Applications Engineer
National Instruments

How to display the same data simultaneously on both a graph and a table.

I am a beginner.
I would like to display a reference line(?) on dvt:graph
whenever a row is selected on the related af:table.
I would like to show the same data,
simultaneously on both a graph and a table.
Is it possible?
I hope for a good hint. ^-^...

Hi,
yes. It depends on how the reference line is getting its data. If e.g you can use EL to bind it to ADF bindings then attribute bindings for attributes of the iterator that also renders the table are enough to get the current selection.
If this is not possible you can follow http://thepeninsulasedge.com/frank_nimphius/2007/07/02/adf-faces-rc-programmatically-executing-a-button-method-using-javascript/ and create a selection listener for the table to programmatically manipulate the graph
Frank

Print XY Graph with 600000 data without taking Snapshot of graph

Hi
I want to print a XY Graph with more than 600000 data with word format but the graph shouldn't be the snapshot can any body suggest please

A couple points:
First, just because the data you send to a graph has 600,000 datapoints in it, that doesn't mean that you will see 600,000 values in your graph. Unless you are using a monitor the size of a house, the graph won't have nearly enough resolution to show all the data. The data will get decimated down to the resolution that is available on the graph. If you don't do it, the graph will.
Second, what do you mean that it shouldn't be a "snapshot"?
Mike...
Certified Professional Instructor
Certified LabVIEW Architect
LabVIEW Champion
"... after all, He's not a tame lion..."
Be thinking ahead and mark your dance card for NI Week 2015 now: TS 6139 - Object Oriented First Steps

Y2 axis in graph is only numeric, iwant to put a date column

Hi,
I want to create a report in report 10g have a graph (chart), i want it to be like this :
X2 axis : Sequance id (Number Column)
Y2 axis : End-date , Start date (Date Column)
But when i create it , there is no possible to put a date colunm in Y2 axis.
So, plz is there any way to in Y2 axis a date column ??
Plz is there away to put a date column in Y2 axis in Report 10g ???

Any help ?

Date format in a Line graph X axis - OBIEE 10g

Hi,
My data comes in as mm/dd/yyyy format, so my line chart has Amounts in thousands in Y axis and X axis has the date as 5/1/2010, 6/1/2010, 7/1/2010, 8/1/2010 ...... But I want the X axis to display like May 2010, June 2010, July 2010, August 2010 .... How can I do this? Thanks for your time and help.

Hi,
Replace the column formula of your date column as ,
cast(MONTHNAME(YourDateColumn) as varchar(10))||' '||cast(YEAR(YourDateColumn) as varchar(10))
Rgds,
Dpka

Changing Axis data values in OBIEE 11g Graph

Hi ,
I have a graph with three dimensions and a single measure . So , on x axis I am getting the values with two dimensions like
Customer1 2013
Customer1 2012
Customer1 2011
I want to change it to Customer1 only . Can anybody suggest how can we change this.

Why don't you just remove the Year dimension from the "Group By (Horizontal Axis)" section?

Date on X axis in graph

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