Description

• Use MODIS image to calculate TVDI index
• Make multiple Raster images at the same time
• Can be used to calculate large image files
• UI interface calculates TVDI index
• UI interface exports Golay Savitzky filter images
• The functions in the TVDI package
  • Golay_Raster
  • Golay_GUI (may be failed if you don’t have GTK+)
  • Mean_Raster
  • Mask_Multi_Raster
  • IQR_Raster
  • TVDI_process
  • TVDI_Largefiles_process
  • TVDI_GUI (may be failed if you don’t have GTK+)

How to Download and Install

• Download and Install from Github

install.packages("devtools")
library("devtools")
install_github("nguyenduclam/TVDIpk")
library("TVDIpk")

• Install from Cran (waiting for update in Cran)

install.packages("TVDIpk")

• Note that GTK+ library is not already installed on your system, installation may fail. In that case, please install and load the gWidgetsRGtk2 library beforehand:

install.packages("gWidgetsRGtk2")
library("gWidgetsRGtk2")

• If none of the above works, download package at this link to download this package type tar.gz
• Github link: https://github.com/nguyenduclam/TVDIpk

How to use Pakages

1. Golay UI

   • Golay_GUI()

   • 
2. TVDI UI

   • TVDI_GUI()

   • 

References

• http://r-pkgs.had.co.nz/
• Package MODIStsp: https://github.com/ropensci/MODIStsp
• https://rstudio.github.io/leaflet/
• https://github.com/rstudio/shiny-examples/tree/master/063-superzip-example