#!/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 27.529085606424974 57.18565414570019 -gcp 14520.0 0.0 27.870392689383532 57.18973897685352 -gcp 14520.0 16683.0 27.877464083693916 56.97845653149793 -gcp 0.0 16683.0 27.53839368402003 56.97384001141997 264-Nosova_1922.jpg 264-Nosova_1922.vrt

# Add cutline to VRT
gdalwarp -r $GDAL_SAMPLING_WARP -tps -dstalpha -cutline_srs EPSG:4326 \
  -cutline "POLYGON(($(echo -e \"1981.125 1533.7487506940588\n1832.625 8097.375624652971\n1680.5625 14658.564478067741\n12374.4375 14922.375208217656\n12505.875 8346.563020544141\n12625.3125 1769.061979455858\" | \
  gdaltransform -tps -output_xy 264-Nosova_1922.vrt | \
  awk 'NR==1{first=$0} {printf "%s %s,", $1,$2} END{print " " first}'))))" \
  264-Nosova_1922.vrt 264-Nosova_1922.cut.vrt

# Generate tiles
gdal2tiles.py -r $GDAL_SAMPLING_TILE --xyz -z $GDAL_TILE_ZOOMS -x --processes=$GDAL_TILE_PROCESSES 264-Nosova_1922.cut.vrt 264-Nosova_1922.xyz