Clip GEDI Canopy Cover and Vertical Profile Metrics by Coordinates
This function clips GEDI level2B derived Canopy Cover and Vertical Profile metrics a within given bounding coordinates
clipLevel2BVPM(level2BVPM, xmin, xmax, ymin, ymax)
level2BVPM |
A GEDI Level2B object (output of |
xmin |
Numeric. West longitude (x) coordinate of the bounding rectangle, in decimal degrees. |
xmax |
Numeric. East longitude (x) coordinate of the bounding rectangle, in decimal degrees. |
ymin |
Numeric. South latitude (y) coordinate of the bounding rectangle, in decimal degrees. |
ymax |
Numeric. North latitude (y) coordinate of the bounding rectangle, in decimal degrees. |
Returns an S4 object of class data.table-class
containing the Canopy Cover and Vertical Profile metrics.
https://lpdaac.usgs.gov/products/gedi02_bv001/
# Specifying the path to GEDI level2B data (zip file)
outdir = tempdir()
level2B_fp_zip <- system.file("extdata",
"GEDI02_B_2019108080338_O01964_T05337_02_001_01_sub.zip",
package="rGEDI")
# Unzipping GEDI level2A data
level2Bpath <- unzip(level2B_fp_zip,exdir = outdir)
# Reading GEDI level2B data (h5 file)
level2b<-readLevel2B(level2Bpath=level2Bpath)
# Extracting canopy cover and vertical profile metrics
level2BVPM<-getLevel2BVPM(level2b)
# Bounding rectangle coordinates
xmin = -44.15036
xmax = -44.10066
ymin = -13.75831
ymax = -13.71244
# Clipping level2BVPM by extent boundary box
level2b_clip <- clipLevel2BVPM(level2BVPM,xmin, xmax, ymin, ymax)
hasLeaflet = require(leaflet)
if (hasLeaflet) {
leaflet() %>%
addCircleMarkers(level2b_clip$longitude_bin0,
level2b_clip$latitude_bin0,
radius = 1,
opacity = 1,
color = "red") %>%
addScaleBar(options = list(imperial = FALSE)) %>%
addProviderTiles(providers$Esri.WorldImagery)
}
close(level2b)Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.