Digitize-class: Digitizing images

In mbojan/mbtools: Chaotic Collection of Functions and Datasets Possibly Useful Also To Others

Digitizing images

Description

Digitizing images

Fields

image

object of class "raster", image to be digitized

xpts,ypts,

numeric vectors of length specifying, some well defined length on, respectively, 'x' and 'y' axes.

xinterval,yinterval

numeric scalars, lengths of the intervals marked with xpts and ypts points

Methods

initialize()

initialize object

markx(col = "blue", pch = 4, ...)

mark points on X axis

marky(col = "blue", pch = 4, ...)

mark points on Y axis

plot(path = FALSE, col = "red", labels = TRUE, pos = 1, ...)

plot points

start(..., append = TRUE, ask = FALSE, col = "red", type = "p")

Starts adding points

transform()

transform data points

See Also

Locator, as.raster

mbojan/mbtools documentation built on June 15, 2025, 4:16 a.m.