#!/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 27.281499044317876 57.68408498944378 -gcp 14340.0 0.0 27.621975010409777 57.68554968091976 -gcp 14340.0 16305.0 27.623364601029806 57.478585407477645 -gcp 0.0 16305.0 27.284406663372724 57.47739515485732 249-Kalnpededze_1925.jpg 249-Kalnpededze_1925.vrt

# Add cutline to VRT
gdalwarp -r $GDAL_SAMPLING_WARP -tps -dstalpha -cutline_srs EPSG:4326 \
  -cutline "POLYGON(($(echo -e \"7164.0 1427.2497917823432\n1892.625 1386.3752082176568\n1847.625 7961.626041088284\n1799.625 14532.750416435316\n7090.875 14566.873958911718\n12377.25 14604.748750694058\n12410.25 8038.501041088284\n12432.0 1468.8727096057746\" | \
  gdaltransform -tps -output_xy 249-Kalnpededze_1925.vrt | \
  awk 'NR==1{first=$0} {printf "%s %s,", $1,$2} END{print " " first}'))))" \
  249-Kalnpededze_1925.vrt 249-Kalnpededze_1925.cut.vrt

# Generate tiles
gdal2tiles.py -r $GDAL_SAMPLING_TILE --xyz -z $GDAL_TILE_ZOOMS -x --processes=$GDAL_TILE_PROCESSES 249-Kalnpededze_1925.cut.vrt 249-Kalnpededze_1925.xyz