Define Polygon ROI — hs_roi_polygon • hyperspectR

Creates a polygon region of interest using point-in-polygon testing.

Usage

hs_roi_polygon(cube, vertices)

Arguments

cube: An hsi_cube object.
vertices: Matrix with columns x and y (polygon vertices in pixel coordinates).

Value

A list with class "hsi_roi" containing the mask.

Examples

cube <- hs_example_cube()
verts <- matrix(c(5, 5, 15, 15, 5, 20, 5, 20), ncol = 2,
                dimnames = list(NULL, c("x", "y")))
roi <- hs_roi_polygon(cube, verts)