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Home » Eclipse Projects » Nebula » [XYVisualization] Color legend bar
[XYVisualization] Color legend bar [message #1420029] Tue, 09 September 2014 12:06 Go to next message
Alain Bernard is currently offline Alain BernardFriend
Messages: 15
Registered: November 2013
Junior Member
Hello,

I would like to plot a XY graph and use for each point a color depending on a third parameter. The legend of the colors of the points would be displayed on the side of the graph. You can see an example in the picture attached to this post.
Is it possible with the Visualization widgets of Nebula? I looked at the ColorMapRamp already used for IntensityGraph but I cannot find how to use it outside an IntensityGraph.

Regards,
Alain

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Re: [XYVisualization] Color legend bar [message #1420181 is a reply to message #1420029] Tue, 09 September 2014 16:23 Go to previous messageGo to next message
Xihui Chen is currently offline Xihui ChenFriend
Messages: 8
Registered: December 2013
Junior Member
The Visualization project doesn't provide this feature out of box, but you can extend the current Trace class by overriding the drawPoint() method. I think you can reuse the ColorMapRamp class by creating a new figure that comprises of an XYGraph and a ramp.

Hope it helps,
Xihui

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Re: [XYVisualization] Color legend bar [message #1425341 is a reply to message #1420181] Wed, 17 September 2014 06:55 Go to previous message
Alain Bernard is currently offline Alain BernardFriend
Messages: 15
Registered: November 2013
Junior Member
Hello,

I didn't understand the mechanisms of figures and how to create new figures and so on. It's clearer now and I've created a figure with the graph and a custom ColorMapRamp to fit it exactly to our needs.
Thank you for the tip.

Alain

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