Axis 282 Bedienungsanleitung PDF herunterladen (Seite 59)

Chapter II-12 — Graphs

II-291

Subrange Display Syntax

The Display operation (page V-119), AppendToGraph operation (page V-28), and ReplaceWave operation

(page V-537) support the following subrange syntax for a wave list item:

wavename[rdspec][rdspec][rdspec][rdspec]

where rdspec is a range or dimension specification and the brackets are part of the syntax (rather than indi-

cating options). Higher unneeded specs can be omitted. Only one my be a range spec and the others must

be a single numeric or dimension label value. A range spec may be [] or [*] to indicate the entire range of

the dimension, may be [start,stop], or [start,stop;inc] where stop may be *.

This can be restated as:

For non-XY plots, the X-axis label uses the dimension label (if any) for the active dimension (the one with a

range).

When cursors or tags are placed on a subranged trace, the point number used is the virtual point number

as if the subrange had been extracted into a 1D wave.

Subrange syntax is also supported for waves used with ErrorBars when an error bar wave is selected (see

Error Bars on page II-263), and color, marker size and marker number as f(Z) (see Setting Trace Properties

from an Auxiliary (Z) Wave on page II-257). These correspond to the ErrorBars operation (page V-146)

used with the wave keyword and to the ModifyGraph (traces) operation (page V-411) with the zmrkSize,

zmrkNum, and zColor keywords.

Limitations

In category plots, the category wave (the text wave) may not be subranged. Waves used to specify text using

ModifyGraph textMarker mode may not be subranged.

Subranged traces may not be edited using the draw tools (such as: option click on the edit poly icon in the

tool bar on a graph).

Waterfall plots may not use subranges.

When multiple subranges of the same wave are used in a graph, they are distinguished only using instance

notation and not using the subrange syntax. For example, given display w[][0],w[][1], you must use

ModifyGraph mode(w#0)=1,mode(w#1)=2 and not ModifyGraph

mode(w[][0])=1,mode(w[][1])=2 as you might expect.

The trace instance and subrange used to plot given trace is included in trace info information. See Identi-

fying a Trace on page II-290.

1. Only one dimension specifier may contain the range to be displayed.

Legal syntax for range is: [] or [*] for an entire dimension.

[star t,stop] for a subrange; stop may be *, stop must be >= start;

the range is inclusive.

[start,stop;inc] for a subrange with the specified positive

nonzero increment (inc) value.

2. Other dimensions must contain a single numeric value, or dimension label using % syntax.

Legal syntax for nonrange

specifier is:

[value] or [%name].

3. Unspecified higher dimensions are treated as if zero was specified.

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