team-8/image_extraction.py

from plantcv import plantcv as pcv
import cv2, json, copy

def plantcv_to_json(obs, plant="vine"):
    # Morfologia
    area = obs["plant_1"]["area"]["value"]
    solidity = obs["plant_1"]["solidity"]["value"]
    ecc = obs["plant_1"]["ellipse_eccentricity"]["value"]
    height = obs["plant_1"]["height"]["value"]
    if area < 100000: area_cat = "small"
    elif area < 300000: area_cat = "medium"
    else: area_cat = "large"
    if solidity > 0.8: solidity_cat = "compact"
    elif solidity > 0.5: solidity_cat = "normal"
    else: solidity_cat = "loose"
    if ecc < 0.4: shape_cat = "round"
    elif ecc < 0.7: shape_cat = "elliptical"
    else: shape_cat = "elongated"
    if height < 50: height_cat = "low"
    elif height < 150: height_cat = "medium"
    else: height_cat = "high"
    # Colore
    h_mean = obs["plant_1"]["hue_circular_mean"]["value"]
    h_std = obs["plant_1"]["hue_circular_std"]["value"]
    if h_mean < 30: leaf_color = "yellowish"
    elif h_mean < 90: leaf_color = "green-yellowish"
    elif h_mean < 150: leaf_color = "green"
    else: leaf_color = "bluish-green"
    uniformity = "uniform" if h_std < 5 else "moderate" if h_std < 15 else "variegated"
    # Health
    gm_freq = obs["plant_1"]["green-magenta_frequencies"]["value"]
    if sum(gm_freq[len(gm_freq)//2:]) > sum(gm_freq[:len(gm_freq)//2]):
        health = "stressed"
    else:
        health = "good"
    # Leaf count (se passato)
    contours, _ = cv2.findContours(mask, cv2.RETR_EXTERNAL, cv2.CHAIN_APPROX_SIMPLE)
    leaf_count = len(contours)
    if leaf_count < 5: leaf_count_cat = "few"
    elif leaf_count < 15: leaf_count_cat = "medium"
    else: leaf_count_cat = "many"
    result = {
        "plant": plant,
        "morphology": {
            "area": area_cat,
            "shape": shape_cat,
            "solidity": solidity_cat,
            "height": height_cat,
            "leaf_count": leaf_count_cat
        },
        "color": {
            "leaf_color": leaf_color,
            "uniformity": uniformity
        },
        "health": {
            "status": health
        }
    }
    return result

def simplify_plantcv_results(filepath, plant_key="plant_1"):
    """
    Carica un JSON generato da PlantCV e restituisce una versione semplificata
    con i valori chiave (senza istogrammi lunghi).
    """
    with open(filepath, "r") as f:
        data = json.load(f)
    obs = data.get("observations", {}).get(plant_key, {})
    # Chiavi utili da conservare
    keep_keys = [
        "hue_circular_mean",
        "hue_circular_std",
        "hue_median",
        "area",
        "solidity",
        "height",
        "width",
        "perimeter",
        "longest_path",
        "ellipse_major_axis",
        "ellipse_minor_axis",
        "ellipse_eccentricity",
        "object_in_frame"
    ]
    simplified = {}
    for key in keep_keys:
        if key in obs:
            val = obs[key].get("value", None)
            if isinstance(val, list) and len(val) == 1:
                val = val[0]
            simplified[key] = val
    return simplified

def plantcv_to_hydroshoot(obs, base_config, scale_factor=0.025):
    """
    Converte osservazioni PlantCV in parametri HydroShoot.
    - obs: dizionario semplificato da PlantCV (hue, area, height, leaf_count, ecc.)
    - base_config: JSON HydroShoot di partenza (dict caricato da file)
    - scale_factor: conversione pixel → cm
    """
    with open("hydroshoot_example.json", "r") as f:
        base_config = json.load(f)
    config = copy.deepcopy(base_config)
    # Conversioni px → cm / cm²
    height_cm = obs.get("height", 0) * scale_factor
    area_cm2 = obs.get("area", 0) * (scale_factor**2)
    leaf_count = obs.get("leaf_count", 0)
    mean_leaf_area = area_cm2 / leaf_count if leaf_count > 0 else 0
    # Colore foglie → stato salute
    h_mean = obs.get("hue_circular_mean", 0)
    if h_mean < 30:
        leaf_color = "yellow"
        photo_eff = 0.5  # fotosintesi molto ridotta
    elif h_mean < 90:
        leaf_color = "yellow-green"
        photo_eff = 0.7
    else:
        leaf_color = "green"
        photo_eff = 1.0
    # Stato salute generale
    uniformity = obs.get("hue_circular_std", 0)
    health_index = max(0.0, 1.0 - uniformity/30.0)
    # Aggiornamenti HydroShoot
    config["simulation"]["unit_scene_length"] = "cm"
    config["planting"]["spacing_on_row"] = max(0.5, 1 - (leaf_count/1000))  # spacing ridotto con piante più fitte
    config["exchange"]["par_photo"]["alpha"] *= photo_eff * health_index
    config["exchange"]["par_gs"]["g0"] *= health_index
    config["exchange"]["par_gs"]["m0"] *= health_index
    config["soil"]["rhyzo_coeff"] = min(1.0, 0.25 + (area_cm2/10000.0))  # più area = più radici attive
    # Salviamo anche un blocco fenotipico extra
    config["plantcv_update"] = {
        "plant_height_cm": round(height_cm, 1),
        "total_leaf_area_cm2": round(area_cm2, 1),
        "mean_leaf_area_cm2": round(mean_leaf_area, 1),
        "leaf_count": int(leaf_count),
        "leaf_color": leaf_color,
        "health_index": round(health_index, 2)
    }
    return config

def main():
    # Prende il nome del file dell'immagine base
    filename = "baseImg.jpeg"
    # Legge immagine con PlantCV
    img, path, filename = pcv.readimage(filename, mode='rgb')
    # FIX: se viene restituito un tuple, prendo solo la prima immagine (RGB)
    if isinstance(img, tuple):
        img = img[0]

    print("Formato immagine:", img.shape)  # dovrebbe stampare (H, W, 3)
    # ==============================================================
    # Segmentazione verde con custom_range (HSV) - serve a estrarre immagine della pianta da sfondo
    # ==============================================================
    # Converte in Hue
    hsv_hue = pcv.rgb2gray_hsv(img, channel='h')
    # Soglia Hue (verde ~25–85)
    mask_low = pcv.threshold.binary(hsv_hue, threshold=25, object_type='light')
    mask_high = pcv.threshold.binary(hsv_hue, threshold=85, object_type='dark')
    # Combina le due maschere → range verde
    mask = pcv.logical_and(mask_low, mask_high)
    # Riempi piccoli buchi nella maschera
    mask = pcv.fill(bin_img=mask, size=200)
    # ==============================================================
    # Analisi colore e forma
    # ==============================================================
    pcv.analyze.color(img, mask, colorspaces="hsv", label="plant")
    pcv.analyze.color(img, mask, colorspaces="lab", label="plant")
    pcv.analyze.size(img, mask, label="plant")
    # ==============================================================
    # Output RAW da PlantCV
    # ==============================================================
    #print("Output RAW da PlantCV:\n")
    obs=pcv.outputs.observations
    #controlla le chiavi presenti nel dizionario
    print(pcv.outputs.observations.keys())
    #controlla le sottochiavi dentro a plant_1 (la chiave giusta sotto cui salva tutti i dati al momento, le altre che leggi nella print prima sono di test vecchi)
    print(pcv.outputs.observations["plant_1"].keys())
    result=pcv.outputs.save_results("output.json")
    finalJson=simplify_plantcv_results("output.json")
    print("\nJSON risultante per Stable Diffusion:\n")
    print(json.dumps(finalJson, indent=2))
    # ==============================================================
    # Conversione a json compatibile con HydroShoot
    # ==============================================================
    with open(r".\hydroshoot\example\vsp_ws_grapevine\params.json", "r") as f:
        base_config = json.load(f)
    
    #backup
    with open(r".\hydroshoot\example\vsp_ws_grapevine\params_backup.json", "w") as f:
        json.dump(base_config, f, indent=2)   # indent=2 per leggibilità
    
    new_config = plantcv_to_hydroshoot(obs, base_config)
    # Salva su file (sovrascrivi params.json)
    with open(r".\hydroshoot\example\vsp_ws_grapevine\params.json", "w") as f:
        json.dump(new_config, f, indent=2)   # indent=2 per leggibilità

    
    

if __name__=='__main__':
    main()