app.py

import gradio as gr
from api import *
from processing import *
import pandas as pd
from indices import indices
import xgboost as xgb
import pickle
import json
from datetime import datetime
from shapely.geometry import MultiPolygon,shape
from shapely.geometry import Point
from shapely.geometry.polygon import Polygon
from glob import glob
import wget

##
def timer(message,start_time=None):
    if not start_time:
        start_time = datetime.now()
        return start_time
    elif start_time:
        thour, temp_sec = divmod((datetime.now() - start_time).total_seconds(), 3600)
        tmin, tsec = divmod(temp_sec, 60)
        print('\n'+message+' Time taken: %i hours %i minutes and %s seconds.' % (thour, tmin, round(tsec, 2)))

##
def predict(lat, lon):
    cord = [lon,lat]
    lon = round(lon,4)
    lat = round(lat,4)
    x1 = [lon,lat]
    x2 = [lat,lon]
    with open("data/CIV_0.json","r") as file:
        data = json.load(file)
    # extract ivory coast polygone
    features = [data['features'][0]['geometry']['coordinates'][0]+data['features'][0]['geometry']['coordinates'][1]+data['features'][0]['geometry']['coordinates'][2]]
    data['features'][0]['geometry']['coordinates'] = features
    ci_polygone = data['features'][0]['geometry']['coordinates'][0][0]  
    point1 = Point(x1)
    point2 = Point(x2)
    polygon = Polygon(ci_polygone)
    result = polygon.contains(point1)

    if not result:
        return "Choose an area of ivory coast","","","",""
    
    else:
        start_time_research = timer('research tile',None)
        df = pd.read_csv("data/frame.csv")
        name = find_good_tile(df,point2)
        timer('research tile',start_time_research)
        if name ==404:
            reponse = "Sentinel-2 does not have data on this location to date"
            return reponse,"","","",""
        else:
            start_time_download = timer('download tile',None)
            path = "https://data354-public-assets.s3.eu-west-3.amazonaws.com/cisentineldata/"
            url = path+name
            wget.download(url)
            timer('download tile',start_time_download)
            
            start_time_unzip = timer('unzip data',None)
            unzip()
            timer('unzip data',start_time_unzip)
            
            start_time_processing = timer('processing data',None)
            
            start_time_select_best_tile = timer('select best tile',None)
            name,cld_prob,days_ago = select_best_cloud_coverage_tile()
            bandes_path_10,bandes_path_20,bandes_path_60,tile_path,path_cld_20,path_cld_60 =paths(name)
            timer('select best tile',start_time_select_best_tile)

            start_time_10m = timer('create 10m image',None)
            # create image dataset
            images_10 = extract_sub_image(bandes_path_10,tile_path,cord)
            timer('create 10m image',start_time_10m)

            start_time_20m = timer('create 20m image',None)
            # bandes with 20m resolution
            #path_cld_20
            images_20 = extract_sub_image(bandes_path_20,tile_path,cord,20,1)
            start_time_20m = timer('create 20m image',start_time_20m)
            
            start_time_60m = timer('create 60m image',None)
            # bandes with 60m resolution
            #path_cld_60
            images_60 = extract_sub_image(bandes_path_60,tile_path,cord,60)
            start_time_60m = timer('create 60m image',start_time_60m)
            #
            start_time_make_prediction = timer('make prediction',None)
            feature = images_10.tolist()+images_20.tolist()+images_60.tolist()
            bands = ['B02', 'B03', 'B04', 'B05', 'B06', 'B07', 'B08', 'B8A', 'B11', 'B12','B01','B09']
            X = pd.DataFrame([feature],columns = bands)
            # vegetation index calculation
            X = indices(X)
            # load the model from disk
            filename = "data/finalized_model.sav"
            loaded_model = pickle.load(open(filename, 'rb'))
            # make prediction
            biomass = loaded_model.predict(X)[0]
            carbon = 0.55*biomass
            timer('make prediction',start_time_make_prediction)

            # NDVI
            start_time_make_ndvi = timer('NDVI calculation',None)
            ndvi_index = ndvi(cord,name)
            timer('NDVI calculation',start_time_make_ndvi)
            
            timer('processing data',start_time_processing)
            
            # deleted download files
            delete_tiles()

            return str(cld_prob)+ " % cloud coverage", str(days_ago)+" days ago",str(biomass)+" Mg/ha", str(carbon)+" MgC/ha","NDVI: "+ str(ndvi_index)

# Create title, description and article strings
title = "🌴BEEPAS : Biomass estimation to Evaluate the Environmental Performance of Agroforestry Systems🌴"
description = "This application estimates the biomass of areas in ivory coast using AI and satellite images (S2)."
article = "Created by data354."

# Create examples list from "examples/" directory
#example_list = [["examples/" + example] for example in os.listdir("examples")]
example_list = [[5.379913, -4.050445],[6.54644,-7.86156],[5.346938, -4.027849]]

outputs = [
    gr.Textbox(label="Cloud coverage"),
    gr.Textbox(label="Number of days since sensing"),
    gr.Textbox(label="Above ground biomass density(AGBD) Mg/ha"),
    gr.Textbox(label="Carbon stock density MgC/ha "),
    gr.Textbox(label="Mean NDVI"),]


demo = gr.Interface(
    fn=predict,
    inputs=["number", "number"],
    outputs=outputs, #[ "text", "text","text","text","text"],
    examples=example_list,
    title=title,
    description=description,
    article=article,
    )

demo.launch(share=True)