#!/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 585.0 1084.6265963353692 27 57 -gcp 6639.0 1120.8947806774015 27.5 57 -gcp 6598.5 8692.83647973348 27.5 56.66666667 -gcp 478.5 8626.838145474736 27 56.66666667 001/kopijas/O-35-115 (2nd cpy).jpg O-35-115 (2nd cpy).vrt

# Add cutline to VRT
gdalwarp -r $GDAL_SAMPLING_WARP -tps -dstalpha -cutline_srs EPSG:4326 \
  -cutline "POLYGON(($(echo -e "585.0 1084.6265963353692\n6639.0 1120.8947806774015\n6598.5 8692.83647973348\n478.5 8626.838145474736" | \
  gdaltransform -tps -output_xy O-35-115 (2nd cpy).vrt | \
  awk 'NR==1{first=$0} {printf "%s %s,", $1,$2} END{print " " first}')))" \
  O-35-115 (2nd cpy).vrt O-35-115 (2nd cpy).cut.vrt

# Generate tiles
gdal2tiles.py -r $GDAL_SAMPLING_TILE --xyz -z $GDAL_TILE_ZOOMS -x --processes=$GDAL_TILE_PROCESSES O-35-115 (2nd cpy).cut.vrt O-35-115 (2nd cpy).xyz