Create CSV from Multiband-TIFF

tif2csv.sh

#!/usr/bin/env python

function set_dir {
  SOURCE_DIR=$1
  if [ -z "$2" ]
  then
    TARGET_DIR=$1
  else
    TARGET_DIR=$2
  fi
  # create directories if needed
  if [ ! -d "$SOURCE_DIR" ]
  then
    mkdir -p $SOURCE_DIR
  fi
  if [ ! -d "$TARGET_DIR" ]
  then
    mkdir -p $TARGET_DIR
  fi
  echo "DIRECTORIES SET: " $SOURCE_DIR, $TARGET_DIR
}

function _set_band_string {
  bstring=""
  for i in $(seq 1 $1)
  do 
    bstring=$bstring" -band "$i
  done
}

function _convert {
  if [ -z "$2" ]
  then
    TARGET_NAME=$1
  else
    TARGET_NAME=$2
  fi
  convert_cmd="gdal2xyz.py "$bstring" "$SOURCE_DIR/$1.tif" "$TARGET_DIR/$TARGET_NAME.csv
  echo "  "
  echo "==================================="
  echo " "
  echo "CONVERTING TIF TO CSV WITH:"
  echo "  "
  echo $convert_cmd
  echo " "
  echo "==================================="
  echo " "
  echo " "
  $($convert_cmd)
}

function tocsv {
  _set_band_string $2
  _convert $1 $3
}

# call arguments verbatim:
$@

$  . tif2csv.sh
$  set_dir source/dir/path target/dir/path  # will create directories if need. target will default to source if not passed
$  tocsv source_file_name_without_tif_ext nbands target_file_name_without_csv_ext # nbands defaults to 1, target defaults to source