#!/bin/bash

GDAL_TILE_PROCESSES=16
GDAL_TILE_ZOOMS=8-14
GDAL_SAMPLING_WARP=cubic
GDAL_SAMPLING_TILE=antialias

# Create virtual dataset with coordinates
gdal_translate -of VRT -a_srs EPSG:4326 -outsize 300% 300% -gcp 0.0 0.0 27.034601540865797 57.01783147056859 -gcp 14340.0 0.0 27.369239220650584 57.01799218484033 -gcp 14340.0 16347.0 27.36877954273421 56.81090476814532 -gcp 0.0 16347.0 27.03554747205252 56.81029440695118 241-Domopole_1925.jpg 241-Domopole_1925.vrt

# Add cutline to VRT
gdalwarp -r $GDAL_SAMPLING_WARP -tps -dstalpha -cutline_srs EPSG:4326 \
  -cutline "POLYGON(($(echo -e \"1796.625 1402.1239589117158\n1768.6875 14538.0\n12525.0 14569.499167129372\n12513.9375 1416.3752082176568\" | \
  gdaltransform -tps -output_xy 241-Domopole_1925.vrt | \
  awk 'NR==1{first=$0} {printf "%s %s,", $1,$2} END{print " " first}'))))" \
  241-Domopole_1925.vrt 241-Domopole_1925.cut.vrt

# Generate tiles
gdal2tiles.py -r $GDAL_SAMPLING_TILE --xyz -z $GDAL_TILE_ZOOMS -x --processes=$GDAL_TILE_PROCESSES 241-Domopole_1925.cut.vrt 241-Domopole_1925.xyz