Conversely, if you inserted a regular measured grid and change the coordinate system to a UTM system these components become available. If you change the grid’s coordinate system to a non-UTM system some components, like Grid Zone Designation Labels, will be removed because they are no longer applicable. When you add an MGRS grid from the default grid styles, Pro automatically determines what UTM zone your map is in and sets the grid to that coordinate system (if your map falls in more than one zone, only one is selected).
MGRS grids also work for some industry specifications. If you need to provide more context for UTM coordinates, an MGRS grid may be right for you. The UTM coordinate system has some additional grid components, like 100,000m Grid Zone Labels and Grid Zone Designation Labels. The Planetary Grid System shown on the reverse side was inspired by an original article by Christopher Bird, Planetary Grid, published in New Age Journal 5, May 1975, pp. MGRS ( Military Grid Reference System) grids are special measured grids showing UTM coordinates. Buckminster Fuller did a great deal of work on the world grid. Here 2 MGRS grids are used to show the correct coordinates. The Grid Square Locator, also known as the Maidenhead Locator System, is a geographical co-ordinate method based on a 6-digit code, widely used by amateur radio operators to determine a rough position on the Earth. Stockholm, Sweden is a city split between 2 UTM zones. In the previous lesson, you used base plot() to create a map of vector data - your roads data - in R.
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