LogLogAxis · Issue #1173 · oxyplot/oxyplot · GitHub
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LogLogAxis #1173

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Description

@airOnTheGstring

Add support for log(log(y)) axes.

Note that this issue is not about log-log plots, but about transforming with log log on a single axis.

https://www.fhwa.dot.gov/pavement/recycling/98042/images/f089.gif
https://www.fhwa.dot.gov/pavement/recycling/98042/07.cfm (4. Select Grade of New Asphalt Binder)

The Y-axis of this chart is LogLog. (not log)

It should be similar to the LogarithmicAxis, but with a different transform
https://github.com/oxyplot/oxyplot/blob/develop/Source/OxyPlot/Axes/LogarithmicAxis.cs#L210

Activity

  1. objorke commented on Dec 7, 2017

    @objorke
    Member

    Please see the log axis examples, this should be supported.

  2. airOnTheGstring commented on Dec 8, 2017

    @airOnTheGstring
    Author

    Thank you for your reply.
    I am already using LogarithmicAxis with oxypolt.
    But when I saw that chart, I realized that something was different.
    Y axis is loglog, not log.
    for example..
    y=10^n Log10(y) Log10(log10(y))
    100000000 8 0.903089987
    10000000 7 0.845098040
    1000000 6 0.778151250
    100000 5 0.698970004
    10000 4 0.602059991
    1000 3 0.477121255
    100 2 0.301029996
    10 1 0

    log10 (y) is possible with the LogarithmicAxis of the oxyplot.
    but I want Y-axis to be log10 (log10 (y)).

    sorry my bad English ^^;
    I am using Google Translator.

  3. changed the title [-]i want log-log chart.. is possible?[/-] [+]i want log10(log10(y)) chart.. is possible?[/+] on Dec 8, 2017
  4. objorke commented on Dec 8, 2017

    @objorke
    Member

    Sorry, I misunderstood. I understand the request now. This is a feature request, I will clean up the issue description.

  5. reopened this on Dec 8, 2017
  6. changed the title [-]i want log10(log10(y)) chart.. is possible?[/-] [+]LogLogAxis[/+] on Dec 8, 2017
  7. airOnTheGstring commented on Dec 11, 2017

    @airOnTheGstring
    Author

    thanks, i will try.

  8. airOnTheGstring commented on Dec 13, 2017

    @airOnTheGstring
    Author

    It seems to be close to the chart I want.
    i have one problem. I want Y-axis Tick is...

    • Y-axis
      MajorStep : 10, 100, 1000, 10000 ....
      MinorStep : 20, 40, 200, 400, 2000, 4000 ...

    please help.. ^^;

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