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raster (version 2.3-40)

zoom: Zoom in on a map

Description

Zoom in on a map (plot) by providing a new extent, by default this is done by clicking twice on the map.

Usage

zoom(x, ...) 
## S3 method for class 'Raster':
zoom(x, ext=drawExtent(), maxpixels=100000, layer=1, new=TRUE, useRaster=TRUE, ...)

## S3 method for class 'Spatial':
zoom(x, ext=drawExtent(), new=TRUE, ...)

## S3 method for class 'missing':
zoom(x, ext=drawExtent(), new=TRUE, ...)

Arguments

x
Raster* or Spatial* (vector type) object
ext
Extent object, or other object from which an extent can be extracted
maxpixels
Maximum number of pixels used for the map
layer
Positive integer to select the layer to be used if x is a mutilayer Raster object
new
Logical. If TRUE, the zoomed in map will appear on a new device (window)
useRaster
Logical. If TRUE, a bitmap raster is used to plot the image instead of polygons
...
additional paramters for plot

Value

  • Extent object (invisibly)

See Also

drawExtent, plot