Steema Central

Posted: **Thu Jul 23, 2009 1:31 pm**

I have created a fresh post due to confusion in prev post. I have a custom Y axes where I am plotting 2 lines. Now first Line has data points passing through
(10.2, 10.5,10.7 ) for different time and second line has data points (10.6, 10.8 )
What I need here the axes labels should show only labels as (10.2,10.5,10.6,10.7, 10.8 ) which are my series points
But cureently it shows (10.0,10.2,10.4,10.6,10.8 ) . So basically my series are not displayed as labels.

Is it possible to achieve this thing.
I have v2 of Tchart

Also one small question, Can we change the location of Axis title from center?

Thanks,
Sachin

Posted: **Thu Jul 23, 2009 1:59 pm**

Hi Sachin,

In that case you need to use custom labels like this:

Code: Select all

			Steema.TeeChart.Styles.FastLine fastLine1 = new Steema.TeeChart.Styles.FastLine(tChart1.Chart);
			Steema.TeeChart.Styles.FastLine fastLine2 = new Steema.TeeChart.Styles.FastLine(tChart1.Chart);

			fastLine1.Add(10.2);
			fastLine1.Add(10.5);
			fastLine1.Add(10.7);

			fastLine2.Add(10.6);
			fastLine2.Add(10.8);

			tChart1.Axes.Left.Labels.Items.Clear();

			foreach (Steema.TeeChart.Styles.Series s in tChart1.Series)
			{
				for (int i = 0; i < s.Count; i++)
				{
					tChart1.Axes.Left.Labels.Items.Add(s.YValues[i]);
				}
			}

			tChart1.Panel.MarginLeft = 10;

Posted: **Thu Jul 23, 2009 2:46 pm**

I tried the code you have provided but after that the axis labels are not visible any more. I am adding the data to the labels at the same place where I am adding data to the series. When I put breakppont on my hanndler for getaxis label I see that getting called. Is I missing soomething.

Thanks,
Sachin

Posted: **Thu Jul 23, 2009 2:55 pm**

Hi Sachin,

What I had in mind doesn't use GetAxisLabel event. Can you please try running my code "as-is"?

Thanks in advance.

Posted: **Thu Jul 23, 2009 3:20 pm**

I was not using GetAxis label but when I did not see any labels I just tried to check by putting breakpoint in GetAxesLabel.

Thanks,
Sachin

Posted: **Thu Jul 23, 2009 3:28 pm**

Hi Sachin,

Code below works fine for me here using TeeChart for .NET v2. It produce this chart:

Is that what you expect? Can you please try running the code exactly as I did? If this doesn't help, can you please attach a simple example project we can run "as-is" to reproduce the problem here and give us more information about what you'd exactly like to get?

Code: Select all

		public Form1()
		{
			InitializeComponent();
			InitializeChart();
		}

		private void InitializeChart()
		{
			Steema.TeeChart.Styles.FastLine fastLine1 = new Steema.TeeChart.Styles.FastLine(tChart1.Chart);
			Steema.TeeChart.Styles.FastLine fastLine2 = new Steema.TeeChart.Styles.FastLine(tChart1.Chart);

			fastLine1.Add(10.2);
			fastLine1.Add(10.5);
			fastLine1.Add(10.7);

			fastLine2.Add(10.6);
			fastLine2.Add(10.8);

			tChart1.Axes.Left.Labels.Items.Clear();

			foreach (Steema.TeeChart.Styles.Series s in tChart1.Series)
			{
				for (int i = 0; i < s.Count; i++)
				{
					tChart1.Axes.Left.Labels.Items.Add(s.YValues[i]);
				}
			}

			tChart1.Panel.MarginLeft = 10;
		}

Thanks in advance.

Posted: **Thu Jul 23, 2009 3:58 pm**

Thanks for the quick response. it works but as the series have many Points they are overlapping. I think I should probably use the default chart axes labels.

Also 1 more Question
Can I move the axes title to a custom position. By default it stays in the center I want to move it upwards.

Thanks,
Sachin

Posted: **Fri Jul 24, 2009 11:06 am**

Hi Sachin,

Yes, you can do something like this:

Code: Select all

		private void InitializeChart()
		{			
			Steema.TeeChart.Styles.FastLine fastLine1 = new Steema.TeeChart.Styles.FastLine(tChart1.Chart);
			fastLine1.FillSampleValues();

			tChart1.Panel.MarginTop = 10;
			tChart1.AfterDraw += new Steema.TeeChart.PaintChartEventHandler(tChart1_AfterDraw);
			tChart1.Draw();
			SetHeaderPosition();
			tChart1.Draw();
		}

		void tChart1_AfterDraw(object sender, Steema.TeeChart.Drawing.Graphics3D g)
		{
			SetHeaderPosition();
		}

		private void SetHeaderPosition()
		{
			Rectangle rect = tChart1.Chart.ChartRect;

			tChart1.Header.CustomPosition = true;
			tChart1.Header.Left = rect.Left;
			tChart1.Header.Top = rect.Top - tChart1.Header.Height - 5;
		}

Posted: **Fri Jul 24, 2009 2:10 pm**

Hi Narcis,

Thanks for the response .From the previous post, Is it possible to determine overlap between axes labels & avoid it.

Thanks,
Sachin

Posted: **Fri Jul 24, 2009 2:28 pm**

Hi Sachin,

Most options available to avoid custom labels overlapping were discussed here. Please notice this is quite a long thread (has several pages) and what you are looking for may not appear in the first posts. However, several possibilities were discussed there and it covers a lot of ground on that area.

Hope this helps!

Posted: **Wed Jul 29, 2009 9:37 pm**

Can I move the axes title to a custom position. By default it stays in the center I want to move it upwards.

I added foll. code to do this

void Chart_AfterDraw(object sender, Steema.TeeChart.Drawing.Graphics3D g)
{
Rectangle Rect = chart.Chart.Chart.ChartRect;
g.RotateLabel(Rect.Left - customLeftAxis.MaxLabelsWidth() - 30, Rect.Top + 30, customLeftAxis.Title.Text, 90);

}

But I am not able to change the color of the label. Is there any way to do that. I tried setting font color but still did not work

Posted: **Thu Jul 30, 2009 7:11 am**

Hi gs,

The easiest way to set different properties for each labels isusing custom labels as shown in the All Features\Welcome !\Axes\Labels\Custom labels example at the features demo, available at TeeChart's program group.

Posted: **Thu Jul 30, 2009 1:33 pm**

Hi Narcis,

I was talking about the title on the axes and not axes label.
Using the code below I am able to move the axis title to custom position but am not able to change color. The color remains the same as that of axis label.

Thanks,
Sachin

Posted: **Thu Jul 30, 2009 1:47 pm**

Hi Sachin,

Ok, in that case you need to sent chart's canvas font color, for example:

Code: Select all

			g.Font.Color = Color.Red;

Posted: **Thu Jul 30, 2009 2:44 pm**

I am attaching the picture

Here are my code changes. Still the price title remains white. It takes the color of the axis label.

void Chart_AfterDraw(object sender, Steema.TeeChart.Drawing.Graphics3D g)
{
Rectangle Rect = chart.Chart.Chart.ChartRect;
g.RotateLabel(Rect.Left - customLeftAxis.MaxLabelsWidth() - 30, Rect.Top + 30, customLeftAxis.Title.Text, 90);
g.Font.Color = Color.Red;

}

: title.JPG (8.18 KiB) Viewed 20174 times

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