hs_extract_pts: Efficiently extract spectra using a SpatialPointsDataFrame

In earthlab/neonaop: Work with NEON AOP hyperspectral data

Description

The hs_extract_pts function efficiently extracts hyperspectral reflectance data at spatial points. This is more efficient than reading the entire raster using hs_read, then using raster::extract.

Usage

hs_extract_pts(filename, pts, bands)

Arguments

filename	Path to an .h5 file containing L3 hyperspectral data (char)
pts	a SpatialPointsDataFrame object defining points where data will be extracted
bands	Indices of bands to read (integer)

Details

Points that are not contained within the extent of the raster will return NA values.

earthlab/neonaop documentation built on March 27, 2021, 12:28 p.m.