zoom in at a focus point
zoom out at a focus point
a WorldMap object
a Reference to the GeoNames dataset
a list representing a point
The ZoomIn command zooms in the view with respect to some focus point.
If only m is given, the focus point will be the current view center.
If ref is supplied, ref must contain exactly one row, so that it corresponds to exactly one point.
If a point p is supplied, p will be the focus point for zooming in.
p must be a list of two elements. The first element in p is the longitude (x-coordinate in the Geographic projection), and the second element in p is the latitude (y-coordinate in the Geographic projection).
The ZoomOut command zooms out the view with respect to some focus point.
If a point p is supplied, p will be the focus point for zooming out.
ref≔Geonames (GeoNamesid)NameType…(7 more)6176821Waterloopopulated place…6176823Waterloopopulated place…8673866Waterloothird-order administrative division…
m≔PLOT⁡...A map of the world with 3 pointsprojection: MillerCylindrical
PLOT⁡...A map of the world with 3 pointsprojection: MillerCylindrical
The DataSets[Builtin][WorldMap][ZoomIn] and DataSets[Builtin][WorldMap][ZoomOut] commands were introduced in Maple 2017.
For more information on Maple 2017 changes, see Updates in Maple 2017.
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