Geography Tools
Coastlines
Add GSHHG shoreline data to your view:
Menu: Geography → Plot Coastline…
Choose resolution: crude, low, intermediate, full, high.
Volcanoes
Plot global volcano locations with hover metadata:
Menu: Geography → Plot Volcanoes
Hover over any point to see:
- Name
- Country
- Type
- Elevation
- Last eruption
Tides
Download and plot tide gauge data from IOC:
Menu: Geography → Download Mareg
Options:
- Last 2 Days — Auto-fetch recent data
- Calendar… — Choose date range
Data downloads and plots automatically.
CRS
When you load georeferenced data (images/grids), the window automatically sets its coordinate reference system. The Geography menu unhides for geographic data.
Supported:
- EPSG codes
- Proj4 strings
- WKT
Implementation Details
The geography tools use:
GMT.coastfor shorelines- Built-in datasets for volcanoes/meteorites
GMT.maregramsfor tide data