Home forums Chart Support How to use viewport on dates

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    I have a column chart displaying units of electricity used every day on the y axis and the date in dd-mm-yy format on x axis. The data logger sends in all the data at once(for the whole year). So i have a very cluttered chart which i need to zoom manually to see properly. How can I zoom it in program to view only the last months data and then pan left to view the remaining dates?



    You can use viewportMinimum and/or viewportMaximum to zoom to a specific region by default or to handle zooming programmatically.


    Thanks for the reply. But can you please tell me how to use viewportminimum/maximum with dates. Suppose i want to display only the current months data from a total dataset of the whole year. The date format displayed on x axis is dd-mm-yy.



    You can set viewportMinimum to one month less than the last dataPoint. Here is an example.


    Thanks Vishwas. Will try it out.


    Works great. Thanks.

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