The call for a Subvi without providing a reference to the objects inside the Subvi?

Hi all

Suppose I have a Subvi, which trace Y1 vs X 1 and Y2 X 2 vs on the same XYGraph. See attachment.

XYGraph the property node is linked to the XYGraph. It sets the style width and point line for each curve on the XYGraph.

If I call this Subvi 4 times in other code (make 4 diferent XYGraphs (XYGraph1, XYGraph2, XYGraph3, XYGraph4, each of which contains two lines Y1 X 1 and Y2 X 2 vs vs)).

Why would I need to create 4 different references for 4 different XYGraphs?

The question is really this: If the property node is explicitly linked to the XYGraph in the Subvi, why the property node must be updated via a reference if the Subvi is called

several times to several XYGraphs? Wouldn't the Subvi take entries, draw the curves of the XYGraph, update the nodes property and then produce a final with XYGraph

update properties?

If there is to be a Subvi why you a graph on its façade and manipulate its properties? You will have to manipulate the properties of the chart on the front of the top-level VI. You see a graph is not a type of data - it is a display object. What is passed through calling screw terminals are given, and in this case, the data type is an array of clusters containing a table of x values and an array of values there.

If you want to do a Subvi that performs this operation you must pass it a reference to the curve that you want to handle that one of them has entered the data values.

Mike...

Tags: NI Software

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