Add GDAL reprojection example (#51)

Author: jrbourbeau

reproject.sh

@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+
+#COILED n-tasks 3111
+#COILED max-workers 100
+#COILED region us-west-2
+#COILED memory 8 GiB
+#COILED container ghcr.io/osgeo/gdal
+#COILED forward-aws-credentials True
+
+# Install aws CLI
+if [ ! "$(which aws)" ]; then
+    curl "https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip" -o "awscliv2.zip"
+    unzip -qq awscliv2.zip
+    ./aws/install
+fi
+
+# Download file to be processed
+filename=$(aws s3 ls --no-sign-request --recursive  s3://sentinel-cogs/sentinel-s2-l2a-cogs/54/E/XR/ | \
+           grep ".tif" | \
+           awk '{print $4}' | \
+           awk "NR==$(($COILED_BATCH_TASK_ID + 1))")
+aws s3 cp --no-sign-request s3://sentinel-cogs/$filename in.tif
+
+# Reproject GeoTIFF
+gdalwarp -t_srs EPSG:4326 in.tif out.tif
+
+# Move result to processed bucket
+aws s3 mv out.tif s3://oss-scratch-space/sentinel-reprojected/$filename