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11-4
Analysis
· via the X-Y zoom cursor item under the "Analysis" menu
· via the X-Y zoom cursor item under the diagram's context menu
· via the button on the diagram's toolbar.
Having selected the cursor, you can start to mark the area that is to be magnified by
pressing the left mouse button. Move the mouse while holding the left mouse button
down, until the displayed rectangle corresponds to the selection you want to make.
Then release the left mouse button, and the cursor will change its appearance into a
"Destination?". You may now click with the left mouse button in order to specify the
diagram in which the zoom is to be displayed. Clicking with the mouse inside the
same diagram or inside one of its analysis diagram will draw the magnification
within the corresponding diagram; clicking on another part of the screen creates a
new analysis diagram. If instead of the left mouse button you press the right mouse
button, the selection is cleared, and you can select a new region.
11.2.2.
Analysis Diagrams
Analysis diagrams are temporary copies of diagrams that can be created for the
purposes of analysis. Their properties are largely the same as those of the associated
online diagrams, differing only in the following points:
· Analysis diagrams are independent of the screen page and the displaying view.
This means that they remain visible when changing to another screen page,
and can also be pulled out of the displaying view.
· Analysis diagrams are not synchronised with other diagrams, so that if the time
segment displayed in any one analysis diagram is changed this has no effect on
other analysis diagrams.
· The properties of an analysis diagram cannot be configured. These properties,
such as the included channels, line types, line colours and labels are copied
from the associated diagram, and can not be altered.
· Analysis diagrams can be dragged to any desired position on the screen. This
allows analysis to be carried out while measurement continues, without
loosing sight of the current measurements.
You can make as many copies (analysis diagrams) as you like of a diagram, so that
you can compare measurements from different times or at different levels of zoom.