TChartScrollBar and DateTimeAxis
Posted: Mon Jul 14, 2008 6:13 pm
Hi
I have a series of several days worth of data labeled by the time of the observation. The observations are not all taken at the same time interval e.g. there may be 10 minutes between some observations, 30 minutes between others etc etc. I wish to be able to scroll smoothly through the entire series using the tchartscrollbar.
The problem seems to me to be that the datetimes are non-integer and if I try to use multiples of a standard time-interval (e.g. 10 minutes) to set the min, max, large change and smallchange properties of the scroll bar it does not work. However I may well be wrong in my supposition.
I'd be most grateful for an example of how to scroll a date-time series with irregular intervals between observations using a tchartscrollbar.
Thanking you in anticipation.
Colin
I have a series of several days worth of data labeled by the time of the observation. The observations are not all taken at the same time interval e.g. there may be 10 minutes between some observations, 30 minutes between others etc etc. I wish to be able to scroll smoothly through the entire series using the tchartscrollbar.
The problem seems to me to be that the datetimes are non-integer and if I try to use multiples of a standard time-interval (e.g. 10 minutes) to set the min, max, large change and smallchange properties of the scroll bar it does not work. However I may well be wrong in my supposition.
I'd be most grateful for an example of how to scroll a date-time series with irregular intervals between observations using a tchartscrollbar.
Thanking you in anticipation.
Colin