Graphs

[ddunlavy]

IS there any way to get multilple inputs (A,B,C...) into a chart or graph?

[Jeremy_B]

Hi ddunlavy,

This is definitely possible, you can just place your inputs in an array or a cluster and wire that into the graph/chart. On the front panel, you can expand the plot legend (by default at the upper right of the graph) to show the legend for the additional plots.

[ddunlavy]

Well I am still having trouble as I have a state machine with a while loop inside that state machine running my 6 different voltages, as I propogate those voltages out of the while loop - they are on a single wire, I tried utilizing a unbundle and the "split signal" tool, but I still get 1 collected signal on a single trace along the graph, with all the 6 voltages cycling thru. When I try to propogate those voltage outside the State machine, I get no signal at all. My goal is to have one(1) graph with 6 traces for each voltage, but I can't get them seperated. Right now I am having to use 6 seperate graphs inside the while loop to graph my voltages. Even when I use a "mixed signal graph - I get only the one trace with all 6 voltages on it. I have not seen any examples of this anywhere on the website.

[Jeremy_B]

Hi,

Are you reading single points within your loop, or arrays or waveforms of data? You need a 2D array of points or a 1D array of waveforms for the graph. If they are single points, you can use a build array to convert the point to a 1D array and then wire them through an auto-index tunnel to get it a 2D.

Another thing you can try is to use a transpose array, which will swap the rows and columns in the array.

[Marc L]

This NI tutorial video shows one way to use the chart with 3 inputs ... in his example, the chart is within the while loop.

http://zone.ni.com/devzone/cda/tut/p/id/8069

He has one live variable, and 2 constants as upper/lower limit bars ... but the theory is the same.

[edit] it's on the "Part 2" video