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stdmetrics

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Jean-Romain Roussel edited this page Dec 13, 2016 · 33 revisions

Standard metrics list

  • n: number of points
  • area: approximative actual area of a raster equation
  • angle: average absolute scan angle
  • zmax: maximum height
  • zmean: mean height
  • zsd: standard deviation of height distribution
  • zskew: skewness of height distribution
  • zkurt: kurtosis of height distribution
  • zentropy: entropy of height distribution (see function entropy)
  • zqx: x th percentile of height distribution
  • zpcumx: cumulative percentage of return in the xth layer according to Wood et al. 2008 (see metrics named d1,d2, ...) equation
  • itot: sum of intensities for each return
  • imax: maximum intensity
  • imean: mean intensity
  • isd: standard deviation of intensity
  • iskew: skewness of intensity distribution
  • ikurt: kurtosis of intensity distribution
  • ipground: percentage of intensity returned by points classified as "ground"
  • ipcumzqx: percentage of intensity returned below the xth percentile of height
  • ip1st: percentage of intensity returned by 1st returns
  • ip2nd: percentage of intensity returned by 2nd returns
  • ip3rd: percentage of intensity returned by 3rd returns
  • ipxth: percentage of intensity returned by xth returns
  • pxth: percentage xth returns
  • pground: percentage of returns classified as "ground"
  • ppulsexreturn: percentage of pulse with x returns
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