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1fc9fc6 | 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 | import os
import gradio as gr
import numpy as np
from io import BytesIO
from PIL import Image
from dotenv import load_dotenv
from src.utils.stac_client import download_sentinel_image
# Load environment variables
load_dotenv()
USERNAME = os.environ.get("DESTINE_USERNAME")
PASSWORD = os.environ.get("DESTINE_PASSWORD")
def fetch_sentinel_image(date_from, date_to):
"""Fetch a Sentinel image based on criteria."""
# Validate date format
# Download the image
content, metadata = download_sentinel_image(
username=USERNAME,
password=PASSWORD,
start_date=date_from,
end_date= date_to
)
# Handle error case
if isinstance(content, str):
return None, content
# Convert to PIL Image
try:
img = Image.open(BytesIO(content))
# Create metadata string
metadata_str = "\n".join([
f"**Date:** {metadata.get('datetime', 'Unknown')}",
# f"**Cloud Cover:** {metadata.get('cloud_cover', 'Unknown')}%",
f"**Filename:** {metadata.get('filename', 'Unknown')}"
])
return img, metadata_str
except Exception as e:
return None, f"Error processing image: {str(e)}"
# Create Gradio interface
with gr.Blocks(title="Sentinel Image Viewer") as demo:
gr.Markdown("# Sentinel-2 Image Viewer")
gr.Markdown("Browse and view Sentinel-2 satellite imagery")
with gr.Row():
with gr.Column(scale=1):
date_from = gr.Textbox(label="Date From (YYYY-MM-DD)", value="2024-12-15")
date_to = gr.Textbox(label="Date To (YYYY-MM-DD)", value="2024-12-30")
fetch_btn = gr.Button("Fetch Image")
with gr.Column(scale=2):
image_output = gr.Image(type="pil", label="Sentinel-2 Image")
metadata_output = gr.Markdown(label="Image Metadata")
fetch_btn.click(
fn=fetch_sentinel_image,
inputs=[date_from, date_to],
outputs=[image_output, metadata_output]
)
gr.Markdown("## About")
gr.Markdown("""
This application allows you to browse and view Sentinel-2 satellite imagery using the DESTINE API.
- **TCI Images**: The images shown are true color (RGB) composites at 60m resolution.
- **Date Range**: Specify the date range to search for images.
""")
if __name__ == "__main__":
demo.launch(share=True)
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