Scatter charts and heatmaps (#501) are complementary. Scatter charts use continuous scales with discrete data, while heatmaps use discrete scales and data.

Scatter charts should support:

• X and Y positioning
• Filled circle and outline markers at the least
• (optional) Markers that take a dynamic shape for categorical data
• Marker size based on value
• Tooltip labeling

Kibana Cross Issues
elastic/kibana#17076
elastic/kibana#20976
elastic/kibana#36541

Checklist

• this request is checked against already exist requests
• every related Kibana issue is listed under Kibana Cross Issues list
• kibana cross issue tag is associated to the issue if any kibana cross issue is present