Convex hull, minimal bounding rotated rectangle, and minimal bounding circle

Get the convex hull, the minimal bounding rotated rectangle, or minimal bounding circle of a Giotto spatial object or terra SpatVector

Usage

# S4 method for class 'spatLocsObj'
convHull(x, by = "", ...)

# S4 method for class 'giottoSpatial'
convHull(x, by = "", ...)

# S4 method for class 'spatLocsObj'
minRect(x, by = "", ...)

# S4 method for class 'giottoSpatial'
minRect(x, by = "", ...)

# S4 method for class 'spatLocsObj'
minCircle(x, by = "", ...)

# S4 method for class 'giottoSpatial'
minCircle(x, by = "", ...)

Arguments

x

any of giotto image, giottoPolygon, giottoPoints, spatLocsObj, SpatVector

by

character (variable name), to get a new geometry for groups of input geometries

...

additional parameters to pass

Value

SpatVector

Examples

sl <- GiottoData::loadSubObjectMini("spatLocsObj")
gpoints <- GiottoData::loadSubObjectMini("giottoPoints")

h <- convHull(sl)
plot(h)


r <- minRect(sl)
plot(r)


circ <- minCircle(gpoints, by = "feat_ID")
plot(circ, border = rainbow(100))