lutInfo {satellite} | R Documentation |
Get or access internal LUT values used by various functions
Description
Get internal look-up table (LUT) values from sysdata.rda which have been
compiled using data-raw/lut_data.R. Metadata is stored in lut$meta
.
Usage
lutInfo()
lutInfoBandsFromSID(sid)
lutInfoSensorFromSID(sid)
lutInfoBCDEFromBID(sid, bid)
lutInfoBIDFromBCDE(bcde, sid)
lutInfoRSRromSID(sid)
lutInfoSIDfromFilename(files)
lutInfoSGRPfromFilename(file)
Arguments
sid |
Sensor id as returned e.g. from |
bid |
Band id as returned e.g. from |
bcde |
Band code as returned e.g. from |
files |
Filename (or filepath) of one or more remote sensing data filenames |
file |
Filename of a remote sensing data file |
Details
The functions above return the following information:
-
lutInfoBandsFromSID
returns the band info block. -
lutInfoBCDEFromBID
returns the band code. -
lutInfoBIDFromBCDE
returns the band ids. -
lutInfoRSRromSID
returns the relative spectral response (rsr) for the sensor. -
lutInfoSensorFromSID
returns the sensor name.
The LUT contains the following band information taken, if not specified otherwise, from the USGS Landsat FAQ:
- l4_band_wl
Minimum/maximum wavelength for Landsat 4 bands.
- l5_band_wl
Minimum/maximum wavelength for Landsat 5 bands.
- l7_band_wl
Minimum/maximum wavelength for Landsat 7 bands.
- l8_band_wl
Minimum/maximum wavelength for Landsat 8 bands.
- l7_rsr
Landat 7 rsr (nm-1) taken from the spectral viewer of the USGS Landsat FAQ.
- l8_rsr
Landat 8 rsr (nm-1) taken from the spectral viewer of the USGS Landsat FAQ.
- solar
Solar irradiance (W m-2 nm-1) taken from the National Renewable Energy Laboratory.
- l7_esun
Tabulated ESun values from tab 11.3 (Thuillier spectrum) of the Landsat7 handbook.
- l5_esun, l4_esun
Tabulated ESun values from Chander G, Markham B (2003) Revised Landsat-5 TM radiometric calibration procedures and postcalibration dynamic ranges. IEEE Transaction on Geoscience and Remote Sensing 41/11, doi:10.1109/LGRS.2007.898285.
Value
List containing several data.frame
objects with LUT values.
Functions
-
lutInfoBandsFromSID()
: -
lutInfoSensorFromSID()
: -
lutInfoBCDEFromBID()
: -
lutInfoBIDFromBCDE()
: -
lutInfoRSRromSID()
: -
lutInfoSIDfromFilename()
: -
lutInfoSGRPfromFilename()
:
Examples
ls_li <- lutInfo()
# str(ls_li)