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Zoom logarithmic chart?

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61567 May 29,2007 10:03 AM May 30,2007 02:19 AM Windows Forms 1
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Tags: Chart
Roger Norris
Asked On May 29, 2007 10:03 AM

Hello,

We would like to use Syncfusion's built-in zoom feature on a chart. We turn it on like this:

this.chartControl1.EnableXZooming = true;
this.chartControl1.EnableYZooming = true;

However, we've noticed that the zooming doesn't appear to be working on our Log-Log chart (both axes set to logarithmic). The user can still drag a rectangle, as if specifying a zoom region, but nothing happens when the mouse is released.

If we set the axes back to Double instead of Logarithmic then the zooming works again.

Is there any way to get the zooming to work with a Logarithmic chart?

Rashidha F [Syncfusion]
Replied On May 30, 2007 02:19 AM

Hi Roger,

Sorry for the inconvenience caused.

Thanks for bringing this issue to our attention. I was able to reproduce the issue using the condition that you have mentioned here.

Could you please open a DirectTrac incident with regard to this with the Forum ID and Title of the Forum in the subject of the incident, so that we could log a bug report with regard to this issue and follow up you in the incident with the details regarding this defect.

Could you please use Key Zooming instead of Mouse zooming in your application.

Please take a look at the attached sample.

http://websamples.syncfusion.com/samples/Chart.Windows/F61567/main.htm

The above sample exhibit the key zooming feature in Logarithmic axes.

Please let me know if this helps.

Regards,
Rashidha.

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