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3a84963 2efe8b1 3a84963 2efe8b1 3a84963 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 | import os
import logging
import uuid
from flask import Flask, render_template, request, jsonify, send_from_directory
import json
from werkzeug.utils import secure_filename
from utils.image_processing import process_image
from utils.geospatial import process_image_to_geojson
# Configure logging
logging.basicConfig(level=logging.DEBUG)
# Create Flask app
app = Flask(__name__)
app.secret_key = os.environ.get("SESSION_SECRET", "dev_secret_key")
# Configure upload folder
UPLOAD_FOLDER = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'uploads')
PROCESSED_FOLDER = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'processed')
ALLOWED_EXTENSIONS = {'png', 'jpg', 'jpeg', 'tif', 'tiff'}
# Create directories if they don't exist
os.makedirs(UPLOAD_FOLDER, exist_ok=True)
os.makedirs(PROCESSED_FOLDER, exist_ok=True)
# Check allowed file extensions
def allowed_file(filename):
return '.' in filename and filename.rsplit('.', 1)[1].lower() in ALLOWED_EXTENSIONS
@app.route('/')
def index():
return render_template('index.html')
@app.route('/upload', methods=['POST'])
def upload_file():
# Check if a file was uploaded
if 'file' not in request.files:
return jsonify({'error': 'No file part'}), 400
file = request.files['file']
# Check if a file was selected
if file.filename == '':
return jsonify({'error': 'No file selected'}), 400
# Check if the file is an allowed type
if file and allowed_file(file.filename):
# Generate a unique filename to prevent collisions
original_filename = secure_filename(file.filename)
file_extension = original_filename.rsplit('.', 1)[1].lower()
unique_filename = f"{uuid.uuid4().hex}.{file_extension}"
# Save the uploaded file
file_path = os.path.join(UPLOAD_FOLDER, unique_filename)
file.save(file_path)
try:
# Process the image
processed_image_path = process_image(file_path, PROCESSED_FOLDER)
# Convert processed image to GeoJSON using improved processing
geojson_data = process_image_to_geojson(processed_image_path)
# Save GeoJSON to file
geojson_filename = f"{uuid.uuid4().hex}.geojson"
geojson_path = os.path.join(PROCESSED_FOLDER, geojson_filename)
with open(geojson_path, 'w') as f:
json.dump(geojson_data, f)
return jsonify({
'success': True,
'filename': unique_filename,
'geojson_filename': geojson_filename,
'geojson': geojson_data
})
except Exception as e:
logging.error(f"Error processing file: {str(e)}")
return jsonify({'error': f'Error processing file: {str(e)}'}), 500
return jsonify({'error': 'File type not allowed'}), 400
@app.route('/download/<filename>')
def download_file(filename):
return send_from_directory(PROCESSED_FOLDER, filename, as_attachment=True)
# Serve the processed GeoJSON data
@app.route('/geojson/<filename>')
def get_geojson(filename):
try:
with open(os.path.join(PROCESSED_FOLDER, filename), 'r') as f:
geojson_data = json.load(f)
return jsonify(geojson_data)
except Exception as e:
logging.error(f"Error loading GeoJSON: {str(e)}")
return jsonify({'error': 'Error loading GeoJSON'}), 500
if __name__ == '__main__':
app.run(host='0.0.0.0', port=5000, debug=True)
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