| IMAP-package | Interactive Mapping |
| col.alpha | Select points; draw polygons; draw lines |
| draw.lines | Select points; draw polygons; draw lines |
| draw.polygon | Select points; draw polygons; draw lines |
| gdist | Geodesic distance (great circle distance) between points |
| gdist.total | Geodesic distance (great circle distance) between points |
| ilines | Interactive Mapping |
| IMAP | Interactive Mapping |
| imap | Interactive Mapping |
| imap.ll | The Imap plotting function - usually called by imap() |
| inside.polygon | Select points; draw polygons; draw lines |
| ipts | Interactive Mapping |
| npacific | GSHHS - A Global Self-consistent, Hierarchical, High-resolution Shoreline Database |
| select.lines | The Imap plotting function - usually called by imap() |
| select.pts | Select points; draw polygons; draw lines |
| world | GSHHS - A Global Self-consistent, Hierarchical, High-resolution Shoreline Database |
| world.h.borders | GSHHS - A Global Self-consistent, Hierarchical, High-resolution Shoreline Database |
| world.h.island | GSHHS - A Global Self-consistent, Hierarchical, High-resolution Shoreline Database |
| world.h.lake | GSHHS - A Global Self-consistent, Hierarchical, High-resolution Shoreline Database |
| world.h.land | GSHHS - A Global Self-consistent, Hierarchical, High-resolution Shoreline Database |
| world.h.pond.in.island | GSHHS - A Global Self-consistent, Hierarchical, High-resolution Shoreline Database |
| world.h.rivers | GSHHS - A Global Self-consistent, Hierarchical, High-resolution Shoreline Database |