How to find the intersection points of all line in c3 chart? - reactjs

I have created this graph in the c3 chart. I want to identify the red circle highlighted in the attached image. Is there any way in c3 chart which help to identify all the intersection points? So that I can add any label? So if the c3 chart provides any such method please help me. Thanks in advance
I just want to implement it like the below-attached screenshot. See here the green and pink circles. Once intersection points are identified the labels are added

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Is there a way to alter the edges of a step line chart in chartjs?

I am currently attempting to alter a chart in chartjs which is a step line chart. Currently the edges are very jagged, as they are a perfect 90 degrees. What I want to achieve is a slight radius to smoothen the edges out, so there is a bit more flow. I have not really found any suggestions nor plugins to alter a charts edges, so does anyone have any possible solutions?
The current stack im in uses react with typescript.
This is what I wish to achieve:
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Is there any way I can make a Lightview histogram chart with multiple values per data point, so that it looks like a Highchart stacked bar (https://www.highcharts.com/demo/bar-stacked)?
If not, is there a workaround?
I already overlay-ed two separate histograms, but that does not help, because both start at the bottom and depending on the values some points are hidden.
Unfortunately it's not possible to draw vertical histogram at the moment.

Curve in D3 shape

I tried creating a funnel chart using D3 and vx. This is what i have achieved so far
https://www.webpackbin.com/bins/-L-TDMSWHUS-ZOi0jb8t
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Any help would be appreciated.
Seems like your best bet would be to make a basic area chart and to reflect it across the x-axis. I believe that would give a similar effect. For more clarification, the x-axis would go through the horizontal center of the chart in the image above

How to draw a vertical line graph on WPF?

I am learning to draw a line graph inside my WPF. i found a tutorial of a horizontal line graph at this side " http://www.c-sharpcorner.com/uploadfile/mahesh/line-chart-in-wpf/ " and i manage to do it. But my question is how to draw a vertical graph?
I taking the example of the graph from the website i provided, if transform the graph to the vertical graph. The X-axis will be the int(on the top) and the Y-axis will be the Date(at the left hand side). Anyone can help me out?
The graph i want should be like this:
http://imageshack.us/photo/my-images/202/capturegfj.jpg/
p/s : sorry, i couldn't upload an image due to low reputation point.
Thanks
You can use Microsoft provided chart controls:
http://msdn.microsoft.com/en-us/library/system.windows.forms.datavisualization.charting.chart.aspx
The SeriesChartType.Line is your chart type I guess.
Here is a sample on MSDN. http://msdn.microsoft.com/en-us/library/hh297122%28v=vs.100%29.aspx

how to display values/lables on top of JFree 3D Bar graph

I am creating 3D Bar Graph. I want to display the values on top of each bar. but when i create 2D bar graph values are displayed outside. but incase of 3D bar graph values will be displayed inside the bar. How can we achieve this. Pls help. Thanks in advance
BarChart3DDemo4 is an example, as shown in the JFreeChart Demo.

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