project_GHI.sh
91fa34538c9daw_solar

project_GHI.sh
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			#!/bin/bash

			##== User input

			LAYER_DEPTH=$1
			LAYER_NAME=$2

			PROJ_METHOD=$3 # one of nearest, bilinear, bicubic

			OUTFILE=$4

			##== Constants

			LOC=WSG84
			MAP=PERMANENT

			NULL_VAL=-9999

			##== MAIN SCRIPT

			# print inputs:
			echo Layer information: depth = $1, name = $2
			echo Interpolation method for projection: $3
			echo Output file: $4

			# project all layers into current coordinate system using given method
			for ID in `seq 1 $LAYER_DEPTH`; do
			echo $ID
			r.proj location=$LOC mapset=$MAP input=$LAYER_NAME\.$ID method=$PROJ_METHOD --overwrite
			done

			# create sequence of layers in ascending order
			LAYER_SEQ=$LAYER_NAME\.1
			for ID in `seq 2 $LAYER_DEPTH`; do
			LAYER_SEQ=$LAYER_SEQ\,$LAYER_NAME\.$ID
			done

			echo $LAYER_SEQ

			# extend region in 3D for current length of input
			g.region t=$LAYER_DEPTH b=0 -p3

			# convert layers to 3D raster
			r.to.rast3 input=$LAYER_SEQ output=$LAYER_NAME --overwrite

			# save 3D raster in OUTFILE
			r3.out.netcdf -p input=$LAYER_NAME output=$OUTFILE null=$NULL_VAL --overwrite

			echo DONE