mod13a1: MODIS MOD13A1 product
In RichardLemoine/LSTtools: LSTtools: An R package to process thermal data derived from Landsat and MODIS images
Description
Usage
Format
Source
References
Examples
Description
MODIS Vegetation Indices MOD13A1 product
Usage
1
data(system.file("data/MOD13A1.hdf", package="LSTtools"))
Format
A .hdf MODIS MOD13A1 file
Source
https://earthexplorer.usgs.gov/
References
Didan, K., A. Barreto-Munoz, R. Solano & A. Huete. (2015), MODIS
Vegetation Index User’s Guide (MOD13 Series) Collection-6. Arizona, USA, 32.
Examples
1
2
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4
5
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7
data(system.file("data/MOD13A1.hdf", package="LSTtools"))
# For NDVI MOD13Q1 product, filtering pixels with usefulness <= 2 and view zenith angle <= 35
v <- veg_filter(MOD13A1, vi = "NDVI", rel = FALSE, usef = 2, angle = 35)
raster::plot(v[[1]], main = "Filtered NDVI")
raster::plot(v[[2]], main = "Reliability")
raster::plot(v[[3]], main = "Usefulness")
raster::plot(v[[4]], main = "viewing zenith angle (°)")
RichardLemoine/LSTtools documentation built on Oct. 19, 2020, 12:50 a.m.
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Description Usage Format Source References Examples
Description
MODIS Vegetation Indices MOD13A1 product
Usage
1 | data(system.file("data/MOD13A1.hdf", package="LSTtools"))
|
Format
A .hdf MODIS MOD13A1 file
Source
https://earthexplorer.usgs.gov/
References
Didan, K., A. Barreto-Munoz, R. Solano & A. Huete. (2015), MODIS Vegetation Index User’s Guide (MOD13 Series) Collection-6. Arizona, USA, 32.
Examples
1 2 3 4 5 6 7 | data(system.file("data/MOD13A1.hdf", package="LSTtools"))
# For NDVI MOD13Q1 product, filtering pixels with usefulness <= 2 and view zenith angle <= 35
v <- veg_filter(MOD13A1, vi = "NDVI", rel = FALSE, usef = 2, angle = 35)
raster::plot(v[[1]], main = "Filtered NDVI")
raster::plot(v[[2]], main = "Reliability")
raster::plot(v[[3]], main = "Usefulness")
raster::plot(v[[4]], main = "viewing zenith angle (°)")
|
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