Axis 282 Uživatelský manuál stáhnout pdf (Strana 10)

Chapter II-12 — Graphs

II-242

// Create third instance of wave0. Trace name is thirdInstance.

AppendToGraph wave0/TN=thirdInstance

This creates a graph with three traces named wave0, wave0#1 and thirdInstance. The trace name wave0 is

equivalent to wave0#0.

The addition of a # sign and a number to distinguish traces from the same wave is called "instance nota-

tion". For more information on instance notation, see Instance Notation.

For information on programming with trace names, see Programming With Trace Names on page IV-72.

Removing Traces

You can remove traces from a graph by choosing Remove from Graph from the Graph menu. Don’t over-

look the pop-up above the list that selects among traces, image plots and contour plots; set it to “Traces”.

Note that a contour plot has traces that you can remove, but they will come back when the contour plot is

updated. Rather than removing the contour traces, use the pop-up to select Contours, and remove the

contour plot itself, which automatically removes all of the contour-related traces. See Removing Contour

Traces from a Graph on page II-336.

If you remove the last wave associated with a given axis then that axis will also be removed. If you remove

all the waves you will be left with a blank graph with no traces or axes.

Replacing Traces

You can “replace” a trace in the sense of changing the wave that the trace is displaying in a graph. All the

other characteristics of the trace — such as mode, line size, color, and style — are unchanged. You can use

this to update a graph with data from a wave other than the one originally used to create the trace.

To replace a trace, use the Replace Wave item in the Graph menu to display the Replace Wave in Graph dialog:

A special mode allows you to browse through groups of data sets composed of identically-named waves

residing in different data folders (for a discussion of data folders, see Chapter II-8, Data Folders). For

instance, you might take the same type of data during multiple runs on different experimental subjects. If

you store the data for each run in a separate data folder, and you give the same names to the waves that

result from each run, you can select the Replace All in Data Folder checkbox and then select one of the data

Select to replace trace’s

Y or X wave with wave

from pop-up menu.

May include contours

and images.

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Axis 282 Uživatelský manuál Strana 10