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Thread: Does extjs 5 charting support logarithmic scale?

  1. #1
    Sencha User
    Join Date
    Mar 2014
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    Default Does extjs 5 charting support logarithmic scale?

    Found some examples for logarithmic scale for previous versions of Ext JS but they do not work in the Axes for CartesianChart in version 5. Did something change in config or this feature is no longer supported? I cannot find any word about "scale" in on-line doc for ver 5.

    Thanks!

  2. #2
    Sencha Premium Member
    Join Date
    Dec 2013
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    Default

    It doesn't look like it is implemented at the moment. The scale variable is in "Ext.chart.axis.Numeric" but it is private and the comment says that only linear is implemented:

    8<-------------------------------------------------------------
    /** * @cfg {String} scale
    * The scaling algorithm to use on this axis. May be "linear" or
    * "logarithmic". Currently only linear scale is implemented.
    * @private
    */
    scale: "linear",
    ------------------------------------------------------------->8

    Regards,
    Paul

  3. #3
    Sencha User
    Join Date
    Jun 2011
    Location
    India
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    Default When This feature will be available in ExtJS 5

    Hi Sencha Team,
    When ExtJS 5 Charting will support Logarithmic scaling ? This is a important feature in Chart. Please work on it.

    Thanks
    Tanmaya

  4. #4
    Sencha User
    Join Date
    Feb 2014
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    20

    Default

    I need it too
    Please add it
    Thank you in advance

  5. #5
    Sencha Premium Member twasink's Avatar
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    Oct 2012
    Location
    Brisbane, Australia
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    124
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    4

    Default You will need to build your own.

    Sencha have not added Logarithmic Scale at all. But you can build it yourself.

    http://twasink.net/2015/12/05/logari...-extjs-charts/

  6. #6
    Sencha User
    Join Date
    Feb 2014
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    20

    Default

    thank you!

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