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Marked Zones

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ChartView
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Chris Ward
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Chris Ward asked on 26 Jun 2013, 08:49 PM
What is the status on Marked Zone support in the RadChartView control? I desperately need this functionality in the next few days. It seems as though after having upgrading to the latest version of the Telerik WinForms controls (2013.2.612.40) the RadChart control has disappeared from my toolbox. Has the old charting control been removed in its entirety? If not, how do I get it back? If so, what is the replacement for MarkedZones that I can use in the immediate future (i.e. tomorrow)?

Looking forward to your response.

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Stefan
Telerik team
answered on 28 Jun 2013, 11:39 AM
Hello Chris,

Thank you for writing.

RadChartView currently does not support marked zones. I have added a feature request for such and you can add your vote for it here: http://www.telerik.com/support/pits.aspx#/public/winforms/15271. The more votes the items get the higher it goes in our priority list.

As to RadChart, where this feature is supported, please have a look at the following blog post: http://blogs.telerik.com/winformsteam/posts/13-05-09/radchart-for-winforms-is-obsolete.-now-what-.

I hope that you find this information useful.
 

Regards,
Stefan
Telerik
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Peter
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answered on 18 Jul 2014, 04:08 PM
I realize this question was from a year ago, and it appears that Marked Zones haven't garnered enough requests to have I implemented in updates since then.  (For me, this is HUGE, it is a critical requirement for my client.) 

I've figured out a shoddy workaround, just painting an image with stripes on the background and eliminating the category axis (which just has event numbers anyway so it works out).  The good news is, that gives me a predictable background I can work with, and just adjust my Y axis range as needed to always fit the zone points accurately.  The bad news is, it also extends the colors to the Y axis.  I tried setting the background to white but it just affects the ticks.  (And I haven't figured out why I only get one tick!  Still working on it.) It looks incredibly unprofessional, but at least it's better than nothing. 

I was wondering if there's a way to limit this background to just the internal chart area itself?  Or maybe use the same technique for color scaled lines (http://www.telerik.com/help/winforms/chartview-customization-custom-rendering.html) to build a custom renderer for the chart area background? Is there a specific object that is the interior chart region? 

Attached images: 
 Chart.png (the actual prototype test chart)
 DesiredChartColoring.png (what I'm looking to do)
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Ivan Petrov
Telerik team
answered on 22 Jul 2014, 03:06 PM
Hello Peter,

Thank you for writing.

Although Marked zones are still not implemented there are tools available in RadChartView that will allow you to achieve the chart you are looking for. The solution is not a generic one that will work in all cases but a rather focused solution for the specific case. It would need modifications event for slightly different chart setup. Still I hope it will help you achieve your goal.

Should you have questions, I would be happy to help.

Regards,
Ivan Petrov
Telerik
 
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Chris Ward
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Stefan
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Peter
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Ivan Petrov
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