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Scan X, Y command (Info menu)

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Click on the toolbar.

Displays data values for a single curve as you scroll through the data. Unlike many other DPlot features, this command relies on the abscissa (X) values increasing monotonically; i.e. the data can be represented by a single-valued function. With curves that loop back on themselves (moment-thrust interaction diagrams, for example), you may not be able to scan through all visible points.

The Scan dialog box will report values that lie between the plot window's minimum and maximum X values, including values that lie either above or below the plot window.

Clicking on the scroll bar's right arrow, or pressing the <Right> or <Down> arrow keys, increments the index in the array by the value specified in the Increment box. Clicking on the scroll bar's left arrow, or pressing the <Left> or <Up> arrow keys, decrements the index. In both cases, pressing the Shift key increments the index by 10x the normal amount. The increment (initially 1) may be increased or decreased by a factor of 10 by clicking on the spin button arrows.

Clicking on the area to the left or right of the scroll bar "thumb", or pressing the <PgUp> or <PgDn> keys, moves the pointer by 5% of the number of points lying between the first and last points visible on the screen.

It may be necessary to zoom in to an area of interest to force the scroll bar to behave in a useful manner, particularly if the data record contains a very large number of points.

Click the Copy button to copy the X and Y values of the currently select data point to the clipboard using the default number formatting.


Related macro commands




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