ZingChart: How do I create a drilldown chart?
There are several ways to create drilldown charts using the ZingChart library.
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API Events Drilldown
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History Drilldown (requires a server and individual text files)
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Parent-Child Drilldown (requires a server and server-side scripting like PHP)
The simplest way, shown here, is to create a drilldown chart entirely in JavaScript and use API click events to show the second-level charts. See the drilldown chart demo below.
Example: https://demos.zingchart.com/view/36D3CRFX
Documentation
History Drilldown Charts Tutorial
Parent-Child Drilldown Tutorial