For the past few years, when time allowed, I've been reconstructing a map of colonial Boston in ArcGIS, using source maps from 1775 to 1784. The image on the left is an excerpt of one of these maps. I like a number of the effects that 18th century cartographers had drawn on their maps, including little pictographs for trees (today cartographers call these mimetic symbols). Anyway, I wanted to add some of these effects to my map. This posting explains how I showed trees on my map.
Read More...