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This property may be used to provide a fine adjustment (in points, always) to notes positioned using chart co-ordinates. This might be used to set an offset (in terms of font size) to notes used to label a subset of data-points. You could give the note position as the exact data value, and apply a ‘nudge’ of (6,6) for a note in 12-point text to get a better presentation.
chSet 'NNudge' 6 12
This property is also useful when labelling datum-lines, as by default the label would be written baselined exactly on the line, which looks untidy. A ‘nudge’ of (0,6) will adjust it upwards, leaving the letters clear of the line. If the y-value is omitted, zero is assumed.
See also ...
chNote – add chart notes
chTextWidth – measure text
XDatum – X-datum lines
YDatum – Y-datum lines