View source: R/fa_crownmetrics.R
poly_metrics | R Documentation |
calculate morphometric features of polygons. Calculate some crown related metrics, returns the metrics as a spatialpointdataframe/spatialpolygondataframe
poly_metrics( crownarea, funNames = c("length", "elongation", "eccentricityboundingbox", "solidity", "eccentricityeigen", "calliper", "rectangularity", "circularityharalick", "convexity") )
crownarea |
sp* spatialpolygon object |
funNames |
character. names of morphometrics to be calculated available are ("length","elongation","eccentricityboundingbox","solidity","eccentricityeigen", "calliper","rectangularity","circularityharalick","convexity") |
sp* object
## Not run: # required packages require(uavRst) require(mapview) # get the rgb image, chm and training data utils::download.file("https://github.com/gisma/gismaData/raw/master/uavRst/data/tutorial_data.zip", paste0(tempdir(),"tutorial_data.zip")) unzip(zipfile = paste0(tempdir(),"tutorial_data.zip"), exdir = tempdir()) crown<-raster::shapefile(paste0(tempdir(),"rgb_3-3_train2.shp")) ## calculate polygon morpho metrics polymetric <- poly_metrics(crown) # visualize it mapview::mapview(polymetric) ##+ ## End(Not run)
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