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30 lines
1.1 KiB
30 lines
1.1 KiB
#' A ggplot2 Geom for World Tile Grids
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#'
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#' - Ref: <https://policyviz.com/2017/10/12/the-world-tile-grid-map/>
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#' - Ref: <http://www.maartenlambrechts.com/2017/10/22/tutorial-a-worldtilegrid-with-ggplot2.html>
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#
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#' - URL: <https://gitlab.com/hrbrmstr/worldtilegrid>
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#' - BugReports: <https://gitlab.com/hrbrmstr/worldtilegrid/issues>
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#'
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#' @md
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#' @name worldtilegrid
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#' @docType package
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#' @author Bob Rudis (bob@@rud.is)
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#' @author Maarten Lambrechts
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#' @author Jon Schwabish
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#' @importFrom grid unit
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#' @importFrom scales alpha
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#' @importFrom ggplot2 ggplot geom_tile scale_fill_manual guides geom_tile ggplotGrob
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#' @importFrom ggplot2 geom_point geom_text scale_color_manual guides theme labs
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#' @importFrom ggplot2 scale_x_continuous scale_y_continuous coord_equal theme_bw
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#' @importFrom ggplot2 aes element_rect element_blank element_text resolution
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#' @importFrom ggplot2 aes_string aes_ scale_y_reverse layer GeomRect margin %+replace%
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#' @importFrom ggplot2 scale_fill_brewer ggtitle rel ggproto draw_key_polygon Geom Stat
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NULL
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#' @title World Tile Grid Basemap Data
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#' @docType data
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#' @name wtg
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#' @export
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