| tigers-package | Integration of Geography, Environment, and Remote Sensing | 
| area | Area of Polygon | 
| barycoords | Computes Barycentric Coordinates | 
| Cartesian2trilinear | Trilinear Coordinates | 
| chullPolygon | Convex Hull of Polygon | 
| convexPolygonOverlap | Overlap of Two Convex Polygons | 
| decomposePolygon | Decomposition and Overlap of Polygons | 
| distance_to_arc | Distance to Line | 
| distance_to_line | Distance to Line | 
| dta | Distance to Line | 
| dtl | Distance to Line | 
| gcl | Great Circle Line | 
| geod | Geodesic Distances | 
| geoTrans | Manipulate Geographical Coordinates | 
| geoTrans2 | Manipulate Geographical Coordinates | 
| great_circle_line | Great Circle Line | 
| HausdorffDistance | Hausdorff Distance | 
| haveOverlap | Compare Two Polygons | 
| is.clockwise | Redundant Vertices in a Polygon | 
| is.convex | Redundant Vertices in a Polygon | 
| is.insidePolygon | Test If a Point Is Inside a Polygon | 
| is.open | Redundant Vertices in a Polygon | 
| polygon2mask | Convert Polygon to a Raster Mask | 
| polygon2raster | Convert Polygon to a Raster Mask | 
| polygonOverlap | Decomposition and Overlap of Polygons | 
| random_point_in_triangle | Random Points in Triangle | 
| redundantVertices | Redundant Vertices in a Polygon | 
| revPolygon | Redundant Vertices in a Polygon | 
| RMA | Reduced Major Axis | 
| rpit | Random Points in Triangle | 
| samePolygons | Compare Two Polygons | 
| tigers | Integration of Geography, Environment, and Remote Sensing | 
| triangulate | Triangulate a Polygon | 
| trilinear2Cartesian | Trilinear Coordinates |