Search found 3 matches

by
Thu Jun 09, 2005 8:50 am
Forum: VCL
Topic: TFastLine Performance with big series
Replies: 4
Views: 8421

Hi Steve,

for 2M points the time necessary to redraw the series depending on zoom status is from 2 s up to 4 s.

The data acquisition is already done in a separate thread and the problem is the drawing of the series blocks the main program and the thread from working so some data are lost.

Rainer
by
Wed Jun 08, 2005 2:46 pm
Forum: VCL
Topic: TFastLine Performance with big series
Replies: 4
Views: 8421

Hi Narcis, I use already many features mentioned in the article. The whole project is too big and depends on various hardware drivers for data acquisition. For the problem part see the attachment in news://www.steema.net/steema.public.attachments I can not use the option Series1->DrawAllPoints = fal...
by
Wed Jun 08, 2005 10:44 am
Forum: VCL
Topic: TFastLine Performance with big series
Replies: 4
Views: 8421

TFastLine Performance with big series

I'm using Borland C++ Builder 6 with Teechart Pro 6.01 VCL Problem: FastLineSeries with big data arrays (>= 2M data) Each operation in this chart (draw, zoom, etc.) blocks the main program and the other threads (for measuring) from working for a certain time (sometimes 5 s or more). How can I accele...