Tower performance question

[wilcohsu]

The tower series is the same.
When I apply 40 numbers of sample values,
the painted speed is very slow.

Is there any workaround to improve performance?


Best Regards!

[Yeray]

Hi wilcohsu,
we made a simple project to test drawing speed of a tower series.

Code: Select all

        private void button1_Click(object sender, EventArgs e)
        {        
            tower1.FillSampleValues(40);
        }

        private DateTime startTime, now; 

        private void tChart1_BeforeDraw(object sender, Steema.TeeChart.Drawing.Graphics3D g)
        {
            label1.Text = "";
            startTime = DateTime.Now; 
        }

        private void tChart1_AfterDraw(object sender, Steema.TeeChart.Drawing.Graphics3D g)
        {
            //calculate elapsed time         
            now = DateTime.Now;
            TimeSpan elapsedTime = new TimeSpan(now.Ticks - startTime.Ticks);
            int total = (elapsedTime.Seconds * 1000) + elapsedTime.Milliseconds;

            label1.Text = "Elapsed time: " + total.ToString() + " ms";
        }

The results for an AMD64 3500+ with 1GB RAM are between 600 and 700 ms

[wilcohsu]

You can try minimum form then maximun form,
the drawing delay is obvious.


Best Regards!!

[Yeray]

The same code shows the elapsed time on re-drawing the chart when restoring after minimizing. And the times for my computer are even fewer than getting new values.
Otherwise, maximizing the chart is slower because the drawed surface is bigger. It spends about 1 second for me.

If you still have problems on this, please send us a simple example project we can run "as-is" to reproduce the problem here. You can post your files at [url]news://www.steema.net/steema.public.attachments[/url] newsgroup.