Search found 2 matches

by Martin
Fri Feb 03, 2006 8:55 am
Forum: VCL
Topic: Adding data to series is very slow
Replies: 3
Views: 7382

Hi, Thanks for the article, but I had already implemented most of the suggestions without much performance improvement. I have looked further into this, and the dramatic performance degrade seem to be related to how AddArray work. AddArray just calls one of the basic Add functions in a loop which fi...
by Martin
Thu Feb 02, 2006 10:33 am
Forum: VCL
Topic: Adding data to series is very slow
Replies: 3
Views: 7382

Adding data to series is very slow

Hi there, I am using a TFastLineSeries to visualise some sampling data retrieved from a database. Since the amount of data is quite huge (approx. 100000 samples per "page") data older than the displayed period is read from the database and added to the series as the user scrolls back in time. Now af...