shapeZoom: zoom into ESRI shapefiles

In brry/shapeInteractive: interact with shapefiles

Description

uses locator to define zooming area

Usage

shapeZoom(shp, Time = 3, steps = 3, ...)

Arguments

shp	Shapefile Object.
Time	Duration of zooming (speed) in seconds.. DEFAULT:5
steps	number of single zoomlevels. DEFAULT:2
...	Further arguments passed to plot.

Value

None - only plots

Author(s)

Berry Boessenkool, [e-mail], ca 2012

See Also

berryFunctions::pointZoom for simple scatterplots. changeAttribute and showAttribute for more Shapefile-related operations

Examples

## Not run: 
library(maptools) # for readShapeSpatial and dataset
xx <- readShapeLines(system.file("shapes/fylk-val.shp", package="maptools")[1],
                     proj4string=CRS("+proj=utm +zone=33 +datum=WGS84"))

windows(record=TRUE)
plot(xx)
shapeZoom(xx)
# With pgUp and Dn, you can zoom out again

plot(xx)
shapeZoom(xx, steps=8)

## End(Not run)

brry/shapeInteractive documentation built on May 13, 2019, 7:54 a.m.