| grid.polyclip | Perform Geometric Operations on Grobs |
| grid.trim | Subset a Line |
| polyclip | Perform Geometric Operations on Coordinates |
| polyclip.character | Perform Geometric Operations on Coordinates |
| polyclip.gList | Perform Geometric Operations on Coordinates |
| polyclip.gPath | Perform Geometric Operations on Coordinates |
| polyclip.grob | Perform Geometric Operations on Coordinates |
| polyclipGrob | Perform Geometric Operations on Grobs |
| trim | Generate Subsets of Coordinates |
| trim.character | Generate Subsets of Coordinates |
| trim.gPath | Generate Subsets of Coordinates |
| trim.grob | Generate Subsets of Coordinates |
| trimGrob | Subset a Line |
| xyListFromGrob | Generate Coordinates from Grobs |
| xyListLine | Generate Grobs from Coordinates |
| xyListPath | Generate Grobs from Coordinates |
| xyListPolygon | Generate Grobs from Coordinates |
| xyListToLine | Generate Grobs from Coordinates |
| xyListToPath | Generate Grobs from Coordinates |
| xyListToPolygon | Generate Grobs from Coordinates |