Snap ROI vertices to a grid — at_snap • annotatR

Snap ROI vertices to a grid

Usage

at_snap(roi, grid = 1, call = rlang::caller_env())

Arguments

roi: An annot_roi.
grid: Positive numeric grid spacing in pixels. Default 1.
call: The calling environment, for error reporting.

Value

An annot_roi with vertices rounded to the nearest grid multiple.

See also

Other geometry: at_check_containment(), at_check_geometry(), at_clamp(), at_fix_geometry(), at_flip_y(), at_roi_buffer(), at_roi_contains(), at_roi_distance(), at_roi_overlaps(), at_roi_rescale(), at_roi_ring(), at_roi_setops, at_roi_simplify(), at_rois_overlap(), at_transform()

Examples

at_snap(at_roi_point(3.4, 5.6, label = "a"), grid = 1)
#> <annot_roi> a (POINT)
#> id: "roi_000000075"  |  level: 0  |  source: manual
#> bbox: [3, 6] - [3, 6]