zoom {raster}

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, ...) 
## S4 method for signature 'Raster'
zoom(x, ext=drawExtent(), maxpixels=100000, layer=1, new=TRUE, useRaster=TRUE, ...)

## S4 method for signature 'Spatial'
zoom(x, ext=drawExtent(), new=TRUE, ...)

## S4 method for signature '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 base plot

Value

Extent object (invisibly)

See Also

drawExtent, plot