Draws a polygon that approximates the plague pit located around Marshall Street. From Vestry Report map.
addPlaguePit(color = "black", line.type = "solid", ...)
Character. Color of circle.
Character. Type of line for circle.
Additional plotting parameters.
Adds a polygon, based on multiple base R line segments, to a graphics plot.
snowMap, addKernelDensity, addLandmarks, addSnow, addVoronoi, addWhitehead
snowMap
addKernelDensity
addLandmarks
addSnow
addVoronoi
addWhitehead
# NOT RUN { snowMap(add.landmarks = FALSE) addPlaguePit() # }
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