Axis 282 Bedienungsanleitung PDF herunterladen (Seite 41)

Chapter II-12 — Graphs

II-273

Normally, you will adjust the position of the axis label by simply dragging it around on the graph. The

“Axis label position” or “Axis label margin” and the “Axis label lateral offset” settings are only used when

you want precise numerical control over the position.

The calculations used to position the axis label depend on the setting in the Label Position Mode menu. By

default this is set to Compatibility, which will work with older versions of Igor. The other modes may allow

you to line up labels on multiple axes more accurately. The choice of positioning mode affects the meaning

of the three settings below the menu.

In Compatibility mode, the method Igor uses to position the axis label depends on whether or not a free axis

is attached to the given plot rectangle edge. If no free axis is attached then the label position is measured

from the corresponding window edge; we call this the axis label margin. Thus if you reposition an axis the

axis label will not move. On the other hand, if a free axis is attached to the given plot rectangle edge then

the label position is measured from the axis and when you move the axis, the label will move with it.

Because the method used to set the axis label varies depending on circumstances, one or the other of the

Axis label margin or Axis label position boxes may be unavailable. If you have selected an axis on the same

edge as a free axis, the Axis label position box is made available. If you have selected an axis that does not

share an edge with a free axis, the Axis label margin box is made available. If you have selected multiple

axes it is possible for both items to be available.

The Axis label position is the distance from the axis to the label and is measured in points.

The Axis label margin is the distance from the edge of the graph to the label and is measured in points. The

default label margin is zero which butts the axis label up against the edge of the graph.

The Margin modes measure relative to an edge of the graph while the axis modes measure relative to the

position of the axis. Using an Axis mode will cause the label to follow a free axis when you move the axis.

The Margin modes are useful for aligning labels on stacked graphs. The Axis label margin setting applies

to Margin modes; the Axis label position setting applies to Axis modes.

The Absolute modes measure distance in points. Scaled modes have similar numerical values but are scaled

to respond to changes in the font size.

The Labels pop-up contains On, Axis Only and Off items. On gives normal axis labeling. Axis Only leaves

the axis label in place but removes the tick mark labels. Off removes the axis labels and tick mark labels.

This can be useful when you print multiple graphs on a page and want to give the impression that they

share an axis.

Axis and Tick label rotations can be set to any value between -360 and 360 degrees.

Note:(Windows only) Sometimes you may find that a rotated axis label contains characters that fail to rotate.

This is usually caused by the use of a bitmapped font. On Windows, only TrueType fonts can be

Usually set interactively by dragging

the label. Measured in points.

Offset tick labels from their normal

location. Measured in points.

Axis and Tick label rotations

range from -90 to 270 degrees.

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Axis 282 Bedienungsanleitung Seite 41