Polar chart zoom

6 posts, 0 answers
  1. moto
    moto avatar
    1 posts
    Member since:
    Nov 2014

    Posted 28 Jun 2015 Link to this post

    Dears , 

     

    i don't know how to add zoom to Rad Polar chart , could you help me with example ?

     

    regards

     

  2. Milena
    Admin
    Milena avatar
    201 posts

    Posted 01 Jul 2015 Link to this post

    Hello Mutlag,

    I'm afraid that currently the RadPolarChart doesn't support zooming. However, could you provide us more information about your scenario and the behavior you expected (e.g. to decrease axis maximum by mouse wheel or something else). 

    Thank you in advance for your cooperation.

    Regards,
    Milena
    Telerik
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  4. Sandra
    Sandra avatar
    2 posts
    Member since:
    May 2016

    Posted 17 May Link to this post

    Hello,

    I have the same problem here. I want to add a zooming behaviour to my RadPolarChart, just like the ChartPanAndZoomBehaviour for a RadCartesianChart.

    So unfortunately it is not enaugh to descrease the axis maximum by mouse wheel. For example I want to zoom in the right corner of my polar chart.

    Is there something released now or can you give me an advice to build this?

    Thank you and best regards,

    Sandra

  5. Evgenia
    Admin
    Evgenia avatar
    1406 posts

    Posted 20 May Link to this post

    Hello Sandra,

    As my colleague Milena explained we don't support zooming for RadPolarChart and I'm afraid currently we don't have plans to provide such functionality. Luckily you can achieve the desired zooming on mousewheel very easy -- by tweaking the Maximum value of the PolarAxis. I attached a small sample demonstrating that. Feel free to modify it as you wish. Can you clarify whether it meets your requirement?

    Regards,
    Evgenia
    Telerik
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  6. Sandra
    Sandra avatar
    2 posts
    Member since:
    May 2016

    Posted 20 May Link to this post

    Hello Evgenia,

    Unfortunately this doesn't cover my requirements... 

    What I actually need is to zoom into any section of the PolarChart. If you have any ideas, these will be happily welcomed.

    Thank you and best regards

    Sandra

  7. Evgenia
    Admin
    Evgenia avatar
    1406 posts

    Posted 25 May Link to this post

    Hi Sandra,

    I'm sorry to hear that the provided project doesn't meet your requirements.
    I'll dissapoint you but we haven't heard of zooming only in the right corner of the Polar chart. You can still try and workaround this by extending the Size of the Chart on mouse wheel (this will imitate zooming in) and then implement your own Pan behaviour if you want. 
    Please mind that this is out of our support scope and is something that you should do on your own.

    Regards,
    Evgenia
    Telerik
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