├── .Rbuildignore ├── .gitignore ├── .travis.yml ├── DESCRIPTION ├── LICENSE ├── LICENSE.md ├── NAMESPACE ├── NEWS.md ├── R ├── mercator.R ├── slippymath.R └── utils.R ├── README.md ├── appveyor.yml ├── cran-comments.md ├── inst └── media │ └── uluru.png ├── man ├── bbox_tile_extent.Rd ├── bbox_tile_query.Rd ├── bbox_to_tile_grid.Rd ├── compose_tile_grid.Rd ├── lonlat_to_merc.Rd ├── lonlat_to_tilenum.Rd ├── merc_truncate.Rd ├── raster_to_png.Rd ├── tile_bbox.Rd ├── tile_grid_bboxes.Rd ├── tilenum_to_lonlat.Rd └── within_merc_extent.Rd ├── slippymath.Rproj ├── tests ├── testthat.R └── testthat │ ├── test-tile_logic.R │ ├── test_merc_latlon_conv.R │ ├── test_normalise.R │ └── test_tile_maths.R └── vignettes ├── .gitignore ├── fetching-elevation-rasters-from-mapbox.Rmd ├── how-to-slippymath.Rmd ├── tibrogargan_decoded.png ├── tibrogargan_layers.png ├── tibrogargan_quadmesh_rgl.png └── tibrogargan_rayshade.png /.Rbuildignore: 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