zoom function

Zoom in on a map

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

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

Returns

Extent object (invisibly)

See Also

drawExtent, plot