| grid.minkowski | Generate Minkowski Sums of Grobs | 
| grid.polyclip | Perform Geometric Operations on Grobs | 
| grid.polylineoffset | Perform Line offset region on Grobs | 
| grid.polyoffset | Perform offset region on Grobs | 
| grid.reduce | Reduce Multiple Shapes to a Single Shape | 
| grid.trim | Subset a Line | 
| minkowskiGrob | Generate Minkowski Sums of Grobs | 
| 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 | 
| polylineoffset | Perform Line offset region on Grobs | 
| polylineoffset.character | Perform Line offset region on Grobs | 
| polylineoffset.gList | Perform Line offset region on Grobs | 
| polylineoffset.gPath | Perform Line offset region on Grobs | 
| polylineoffset.grob | Perform Line offset region on Grobs | 
| polylineoffset.list | Perform Line offset region on Grobs | 
| polylineoffsetGrob | Perform Line offset region on Grobs | 
| polyminkowski | Generate Minkowski Sums on Coordinates | 
| polyminkowski.character | Generate Minkowski Sums on Coordinates | 
| polyminkowski.gList | Generate Minkowski Sums on Coordinates | 
| polyminkowski.gPath | Generate Minkowski Sums on Coordinates | 
| polyminkowski.grob | Generate Minkowski Sums on Coordinates | 
| polyoffset | Perform offset region on Grobs | 
| polyoffset.character | Perform offset region on Grobs | 
| polyoffset.gList | Perform offset region on Grobs | 
| polyoffset.gPath | Perform offset region on Grobs | 
| polyoffset.grob | Perform offset region on Grobs | 
| polyoffset.list | Perform offset region on Grobs | 
| polyoffsetGrob | Perform offset region on Grobs | 
| reduceGrob | Reduce Multiple Shapes to a Single Shape | 
| 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 |