StepLine series

8 posts, 1 answers
  1. Alexandre
    Alexandre avatar
    2 posts
    Member since:
    Jun 2011

    Posted 29 Feb 2012 Link to this post

    Hello,

    Is there some way to plot Stepline series and Line series on the same graph ? I have a cartesian chart with several line and area series and I would like to add stepline serie without modifying my data (e.g. without adding a Y value at each X to have the constant line). 

    Another question, is it possible to change the base line of an area series so that color fill stops at a specific Y value ? 
  2. Answer
    Peshito
    Admin
    Peshito avatar
    497 posts

    Posted 05 Mar 2012 Link to this post

    Hello,

    Currently RadChartView does not support StepLine series type. However It is in our plans to implement it and I cannot give you a specific timeframe when it will be supported.

    Regarding your other question. What you have described sounds like a range series. If this is so, it is also in our future plans and it is not supported at that moment. As a workaround you could try using two stacked area series and set the color of the first one to be transparent.

    Also, while it is true that we would encourage you to use our new RadChartView control for your new development, we would also like to note that currently you should do so based on the specific project requirements you have as the feature sets provided by both controls differ to some extent.

    Regards,
    Peshito
    the Telerik team
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  4. Alexandre
    Alexandre avatar
    2 posts
    Member since:
    Jun 2011

    Posted 05 Mar 2012 Link to this post

    Hello,

    Thank you for your answer. I expected that stepline and range series were not implemented yet, I was just looking for an alternative way to do the same job until then. 

    So, regarding the StepLine problem, please let me know when you will know about a release date. I am currently using LineSeries on a customized data set to mimic StepLine but, obviously, it would be better directly with StepLine series.

    About the range series, I will give it a try thanks. 

    Actually, the previous version of my application used Charts instead of ChartViews but memory usage was unacceptably high for this kind of use with Charts. With ChartViews it is much more acceptable. :)

  5. Peshito
    Admin
    Peshito avatar
    497 posts

    Posted 07 Mar 2012 Link to this post

    Hello Alexandre,

    You are welcome.

    The StepLine and Range series types are not in the roadmap for the Q2 release, however we haven't finilized the Q3 release roadmap, so a I cannot commit with a certain time frame when both series types will be implemented. You can follow the release notes and roadmap announcements for more details.

    Regarding the ChartView performance it is designed with performance in mind and I am glad you are pleased with the results.

    Regards,
    Peshito
    the Telerik team
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  6. Iker
    Iker avatar
    2 posts
    Member since:
    Jan 2013

    Posted 14 Jan 2013 Link to this post

    Hello,

    Finnally StepLines are supported in Carteasian Chart with Q3 release ?


    Thanks,

    Iker
  7. Peshito
    Admin
    Peshito avatar
    497 posts

    Posted 16 Jan 2013 Link to this post

    Hello Iker,

    As StepLine series type is not supported you can easily make a similar series by yourself. You will only need to create two CategoricalDataPoints for one data item. I have attached a small example, showing this approach. The data stays intact, while the chart gets more datapoints to form a stepline.

    Hope this helps.

    All the best,
    Peshito
    the Telerik team

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  8. Heath Morris
    Heath Morris avatar
    4 posts
    Member since:
    Sep 2009

    Posted 04 Apr 2013 Link to this post

    I was recently tasked with creating a stepline from this control and wanted to share some knowledge on how to get the labeling and datamarkers correct. Let me know if you find a better way please.

    I have created an example for adding the pointlabels and pointmarkers modified from Peshito's example.

    SteplineExampleAdvanced
  9. Peshito
    Admin
    Peshito avatar
    497 posts

    Posted 09 Apr 2013 Link to this post

    Hello Heath Morris,

    I am glad you found the workaround for creating a stepline chart useful.

    Thank you for sharing your improvements with us. You did a great job with it.

    Regards,
    Peshito
    the Telerik team

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