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Diffrent Colors in bubblecharts for a specific listvaluerange

Posted By Christopher Gilbreath 12 Years Ago

Diffrent Colors in bubblecharts for a specific listvaluerange

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Christopher Gilbreath
questionmark Posted 12 Years Ago
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Hello again Nevron-Support-Team,

we've got a bubblechart based on a SharePoint-list. Now we'd like to set different colors to single bubbles with a valuerange in the list. For example you have 3 colors and 9 values like:

Yellow   | 1 - 3
Red       | 4 - 6
Green    | 7 - 9

We couldn't find a way to realise it yet.
In case that's possible: can you help us to fix this problem.

Best regards

Christopher Gilbreath 



Nevron Support
Posted 12 Years Ago
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Hi Christopher,

Currently that is not possible, however the new version that we are going to release hopefully this week, will have C# and VB.NET code injection, which will help you achieve this by code (please let us know if you would like to receive a code snipped). The C#/VB.NET code that is executed is again directly edited in browser, and you can use the full Nevron Chart for .NET API without the need to deploy/administer anything.

We are also considering to increase the places where expressions can be placed in both the Nevron Chart for SSRS and SharePoint and as a part of this major enhancement, most of the settings in both components (and the respective gauges), will provide this feature "out of the box". However these are expected in the second half of this year (probably aligned with the Map for SSRS and SharePoint) that we are working on.

Best Regards,
Nevron Support Team



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Posted 12 Years Ago
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Hi Christopher,

You can inject this code to achieve your color coding requirements (paste it in the Code - Code Editor page):

using System;
using System.Drawing;

using Nevron.GraphicsCore;
using Nevron.Chart;
using Nevron.ReportingServices;

namespace MyNamespace
{
///
/// Sample class
///

public class MyClass
{
///
/// Main entry point
///

///
public static void RSMain(NRSChartCodeContext context)
{
if (context.Document.Charts.Count == 0)
return;

// get the first chart in the document
NChart chart = context.Document.Charts[0];
if (chart.Series.Count == 0)
return;

// get the first series in the chart
NSeries series = chart.Series[0] as NSeries;
if (series == null)
return;

// colorize it
int count = series.Values.Count;
double total = 0;

for (int i = 0; i < count; i++)
{
if (i < 3)
{
series.FillStyles[i] = new NColorFillStyle(Color.Yellow);
}
else if (i < 6)
{
series.FillStyles[i] = new NColorFillStyle(Color.Red);
}
else if (i < 9)
{
series.FillStyles[i] = new NColorFillStyle(Color.Green);
}
else
{
// do nothing to use default colors, otherwise simply set another filling
}
}
}
}
}

Hope this helps - questions or comments - please feel free...

Best Regards,
Nevron Support Team



Grey Randall
Posted 12 Years Ago
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How about wanting to use a different color other than the standards?

 

I see an option for "KnownArgbColorValue"  but I have yet to see how to enter that value... I've got the values for the colors I need in RGB, CMYK, HSB, Lab and HTML.



bob milanov
Posted 12 Years Ago
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 Hi Gray,

You can use the FromArgb method - for example:
new NColorFillStyle(Color.FromArgb(255, 0, 0));

creates a red filling.

Let me know if you meet any problems.

Best regards,
Bob



Nevron Support
Posted 9 Years Ago
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Hi Christopher,

With the latest version of the Vision for SharePoint web parts, you can use conditional Custom Data Point Appearance.

Take a look at the following forum post: Change the color of a bar if value is above 10



Best Regards,
Nevron Support Team



Nevron Support
Posted 8 Years Ago
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Hello Messaoud,
You can achieve your requirement via custom code. However, a better and easier approach would be to use conditional Custom Data Point Appearance. Take a look at the following example: http://spchartexamples.nevron.com/Charting%20Types/Box%20And%20Whiskers%20Chart/Box%20And%20Whiskers%20Chart/default.aspx

Best Regards,
Nevron Support Team



Nevron Support
Posted 8 Years Ago
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Hi Messaoud,
You can specify custom data point appearance via expressions - take a look at the Box and Whiskers example -> Pivot -> Data Groupings -> Values -> Appearance

Best Regards,
Nevron Support Team



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Posted 8 Years Ago
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Yes, the same example is available with the examples shipped with Nevron Vision for SSRS.

Best Regards,
Nevron Support Team





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