TotalView Users Guide - CI Wiki

Figure 127: A Three-
Dimensional Array Sliced
into Two Dimensions
Visualizing Array Data
Viewing Data
Different datasets can require different views to display their data. For
example, a graph is more suitable for displaying one-dimensional datasets
or two-dimensional datasets if one of the dimensions has a small extent.
However, a surface view is better for displaying a two-dimensional dataset.
When TotalView launches the Visualizer, one of the following actions
occurs:
� If the Visualizer is displaying the dataset, it raises the dataset’s window
to the top of the desktop. If you had minimized the window, the Visualizer
restores it.
� If you previously visualized a dataset but you’ve killed its window, the
Visualizer creates a new window using the most recent visualization
method.
� If you haven’t visualized the dataset, the Visualizer chooses an appropriate
method. If you don’t want the Visualizer to choose, disable this feature
by using the Options > Auto Visualize command in the Visualizer Directory
Window.
Visualizing Data Manually
Before you can visualize an array, you must:
� Open a Variable Window for the array’s data.
� Stop program execution when the array’s values are set to what you
want them to be when they are visualized.
You can restrict the data being visualized by editing the Slice field. For
example, editing the Slice field limits the amount of data being visualized.
(See “Displaying Array Slices” on page 334.) Limiting the amount of data
increases the speed of the Visualizer.
After selecting the Variable Window Tools > Visualize command, the Visualizer
creates its window. The data sent to the Visualizer isn’t automatically
updated as you step through your program. Instead, you must explicitly
update the display by selecting the Tools > Visualize again.
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