Map markers and clusters help display location data without overwhelming the viewer.
Markers
Markers are useful for individual locations such as stores, events, venues, assets, or customers.
Clusters
Clusters group dense point sets together. Use clusters when many points appear in the same area.
SQL shape
Return latitude and longitude fields, plus useful label or tooltip fields:
select
latitude,
longitude,
customer_name,
account_value
from customers
where latitude is not null
and longitude is not nullselect
latitude,
longitude,
customer_name,
account_value
from customers
where latitude is not null
and longitude is not nullTips
- Filter map data before rendering very large point sets.
- Use clusters for dense data.
- Use markers for important individual locations.
- Include descriptive fields for tooltips.