Package index • mapycusmaximus

Core Transformation Functions

fisheye_fgc(): Apply Focus-Glue-Context Fisheye transformations
fisheye_fgc(<sf>) fisheye_fgc(<sfc>): Radial fisheye warp for sf/sfc objects (auto-CRS + flexible centers)
fisheye_fgc(<matrix>) fisheye_fgc(<data.frame>): Apply Focus–Glue–Context Fisheye Transformation
classify_zones(): Classify Coordinates into Focus, Glue, or Context Zones

Visualization Utilities

plot_fisheye_fgc(): Visualize Focus–Glue–Context (FGC) Fisheye Transformation
create_test_grid(): Create a Regular Test Grid of Coordinates

Spatial Transformation Tools

st_transform_custom(): Apply a custom coordinate transform to an sf/sfc object (POINT/LINESTRING/POLYGON/MULTIPOLYGON)

Datasets

vic: Victoria Local Government Areas (sf)
conn_fish: Fisheye-Distorted Hospital–RACF Connections (sf)
vic_fish: Fisheye-Distorted Victoria LGAs (sf)
hospital_locations: Hospital names and locations in Victoria, Australia

Shiny

shiny_fisheye(): Launch Interactive Fisheye Lens Explorer