| |
| """Paint the coarse travel-time preview (from access_pipeline.py) as an equirectangular PNG for the globe overlay.""" |
| import sys, numpy as np |
| from pathlib import Path |
| from PIL import Image |
| BASE=Path(__file__).resolve().parent |
| STOPS=[(0,'#fff7d6'),(10,'#f9e3a1'),(30,'#f0b25a'),(60,'#d97a35'),(120,'#a9452c'),(240,'#6b2424'),(480,'#3a1414'),(1440,'#1a0a0a')] |
| def hexrgb(h): return np.array([int(h[i:i+2],16) for i in (1,3,5)],dtype=np.float32) |
| def colorize(tt): |
| out=np.zeros(tt.shape+(4,),dtype=np.uint8); valid=np.isfinite(tt) |
| x=np.log1p(np.clip(np.where(valid,tt,0),0,1440)); xs=np.log1p(np.array([s[0] for s in STOPS],dtype=np.float32)); cols=np.stack([hexrgb(s[1]) for s in STOPS]) |
| for k in range(3): out[...,k]=np.interp(x,xs,cols[:,k]).astype(np.uint8) |
| out[...,3]=np.where(valid,235,0).astype(np.uint8); return out |
| for surface in sys.argv[1:] or ['motorized']: |
| src=BASE/'geo'/f'traveltime_{surface}_coarse.npy' |
| if not src.exists(): print('missing',src); continue |
| a=np.load(src) |
| rows,cols=a.shape; full=np.full((int(round(rows*180/145)),cols),np.nan,dtype=np.float32) |
| top=int(round((90-85)/180*full.shape[0])); full[top:top+rows,:]=a |
| img=Image.fromarray(colorize(full),'RGBA').resize((3072,1536),Image.BILINEAR).quantize(colors=96,method=Image.Quantize.FASTOCTREE) |
| dest=BASE/'assets'/f'traveltime-{surface}.png'; img.save(dest,optimize=True); print(dest, dest.stat().st_size) |
| import base64; b64=BASE/'assets'/f'traveltime-{surface}.b64.txt'; b64.write_text(base64.b64encode(dest.read_bytes()).decode()); print(b64, b64.stat().st_size, '(text copy: the Space is deployed through a text-only commit path)') |
|
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