Climate2Weather / scripts /inference.py
zhangrenchao's picture
Publish Climate2Weather reproduction
21b9cf1 verified
Raw
History Blame Contribute Delete
888 Bytes
from pathlib import Path
import sys,numpy as np,torch
R=Path(__file__).resolve().parents[1];sys.path.insert(0,str(R));from model.climate2weather import *
c=cfg(R);d=np.load(R/c['data']['path']);z=torch.load(R/c['paths']['checkpoint'],map_location='cpu',weights_only=True);m=ScoreUNet(**z['model_config']);m.load_state_dict(z['model']);condition=torch.tensor(d['coarse'][-1:]);up=F.interpolate(condition,size=(128,128),mode='nearest');ens=[]
with torch.no_grad():
for j in range(8):
x=up+.2*torch.randn_like(up)
for k in range(4):x=x+.02*m(x,.2/(k+1));x=x+(up-F.interpolate(observe(x[0])[None],size=(128,128),mode='nearest'))*.2
ens.append(x[0].reshape(3,4,128,128).numpy())
p=R/c['paths']['predictions'];p.parent.mkdir(parents=True,exist_ok=True);np.savez_compressed(p,ensemble=ens,target=d['fine'][-1].reshape(3,4,128,128),condition=condition.numpy().reshape(1,3,4,8,8));print(p)