Question 1

How do I combine multiple charts in G2Plot for a dashboard?

Accepted Answer

G2Plot supports a layer concept that allows overlaying and combining charts. You can use the API to create multi-chart compositions, as shown in the storytelling charts feature, enabling interactive dashboards with minimal code for data narratives.

Question 2

G2Plot vs ECharts: which is better for business dashboards?

Accepted Answer

G2Plot excels with its grammar-of-graphics foundation and enterprise-ready designs out-of-the-box, ideal for standardized statistical charts. ECharts offers a wider variety of chart types and may be more flexible for unconventional visualizations, but requires more configuration for polish.

Question 3

Can G2Plot handle real-time data updates efficiently?

Accepted Answer

Yes, G2Plot charts can update dynamically by modifying data and calling update methods. However, performance with very large or frequent updates depends on the underlying G2 engine, so testing with specific datasets is advised to ensure smooth interactions.

Question 4

How to export G2Plot charts as images or PDFs?

Accepted Answer

G2Plot likely provides export functionality through the G2 foundation, such as using methods like `chart.toDataURL()` for images. Check the documentation for specific APIs, as export features are common but may require additional setup for formats like PDF.

Question 5

Is G2Plot compatible with Vue.js or Angular, or just React?

Accepted Answer

G2Plot is a JavaScript library and can be used with any framework, but official examples and support are more focused on React due to its AntV ecosystem ties. Integration with Vue or Angular may need custom wrappers or additional effort.

Question 6

What's the performance impact of using G2Plot with large datasets?

Accepted Answer

G2Plot's responsive design helps manage dense data, but rendering thousands of data points might strain performance, as it relies on G2's SVG-based rendering. For massive datasets, consider data sampling or aggregation to optimize load times and interactivity.

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