2024-02-22 17:46:34 +01:00

67 lines
3.2 KiB
Python

import sys
import yaml
from pyproj import Geod
from fastkml import kml
from shapely import wkt
from datetime import timedelta
import capture_screen
if len(sys.argv) == 1:
print("Please provide a configuration file as first argument. You can also drop the configuration file on this script to run it.")
else:
config_file = sys.argv[1]
print(f"Using config file: {config_file}")
with open('configs/screen_properties.yml', 'r') as sp:
with open(config_file, 'r') as cp:
screen_config = yaml.safe_load(sp)
map_config = yaml.safe_load(cp)
print("#################################################################################################################################################")
print("# IMPORTANT NOTE: the screen properties must be configured according to your screen and desired zoom level. Make sure you set them accordingly. #")
print("#################################################################################################################################################")
print("Screen parameters:")
print(f"-> Screen width: {screen_config["width"]}px")
print(f"-> Screen height: {screen_config["height"]}px")
print(f"-> Geographic resolution: {screen_config["geo_resolution"]} meters/pixel")
print("Map parameters:")
print(f"-> Output directory: {map_config["output_directory"]}")
print(f"-> Boundary file: {map_config["boundary_file"]}")
with open(map_config["boundary_file"], 'rt', encoding="utf-8") as bp:
# Read the config file and compute the total area of the covered map
doc = bp.read()
k = kml.KML()
k.from_string(doc)
geod = Geod(ellps="WGS84")
features = [f for f in list(k.features()) if not f.isopen]
print(f"Found {len(features)} closed features in the provided kml file")
area = 0
for feature in features:
for sub_feature in list(feature.features()):
geo = sub_feature.geometry
area += abs(geod.geometry_area_perimeter(wkt.loads(geo.wkt))[0])
tile_size = 256 * screen_config["geo_resolution"] # meters
tiles_per_screenshot = int(screen_config["width"] / 256) * int(screen_config["height"] / 256)
tiles_num = int(area / (tile_size * tile_size))
screenshots_num = int(tiles_num / tiles_per_screenshot)
total_time = int(screenshots_num / 1.0)
print(f"Total area: {int(area / 1e6)} square kilometers")
print(f"Estimated number of tiles: {tiles_num}")
print(f"Estimated number of screenshots: {screenshots_num}")
print(f"Estimated time to complete: {timedelta(seconds=total_time)} (hh:mm:ss)")
print("The script is ready to go. After you press any key, it will wait for 5 seconds, and then it will start.")
input("Press any key to continue...")
capture_screen.run(map_config)