Utilities

Shapes

lentil.circle(shape, radius[, shift, antialias])	Draw a circle
lentil.hexagon(shape, radius[, shift, ...])	Draw a hexagon
lentil.rectangle(shape, width, height[, ...])	Draw a rectangle
lentil.spider(shape, width[, angle, shift, ...])	Draw a spider

Array manipulation

lentil.boundary(x[, threshold])	Find bounding row and column indices of data within an array.
lentil.centroid(img)	Compute image centroid location.
lentil.pad(array, shape)	Zero-pad an array.
lentil.subarray(a, shape[, shift])	Extract a contiguous subarray from a larger array.
lentil.window(img[, shape, slice])	Extract an appropriately sized, potentially windowed array
lentil.rebin(img, factor)	Rebin an image by an integer factor.
lentil.rescale(img, scale[, shape, mask, ...])	Rescale an image by interpolation.

Miscellaneous

lentil.min_sampling(wave, z, du, shape, min_q)
lentil.pixelscale_nyquist(wave, f_number)	Compute the output plane sampling which is Nyquist sampled for intensity.
lentil.normalize_power(array[, power])	Normalizie the power in an array.
lentil.hex_segments(rings, seg_radius, seg_gap)	Draw a segmented aperture made up of hexagonal segments