from PIL import Image
import json
import sys
import os
import argparse
p = argparse.ArgumentParser (description="generate multires pannellum")
p.add_argument ('imagefile', help='image file')
p.add_argument ('--title', help='image title', required=True)
p.add_argument ('--bottom', help='bottom of image is this many degrees up from nadir', default=0)
args = p.parse_args()
im = Image.open (args.imagefile)
print im.size
# the image needs to be a full sphere, so fill out its size to 2x*x .
w, h = im.size
x = w/2
im0 = Image.new ('RGB', (2 * x, x))
if args.bottom == 0:
# default case for quadcopter (which includes the nadir).
im0.paste (im, (0, x - h))
else:
# the full sweep from nadir to zenith is 180 degrees.
# 90 degrees would mean the bottom is at x/2.
# 45 degrees is x/4.
# top bot
# [---XXXXXXXXXXXXX------------] 90: x/2 - h
# [-----------XXXXXXXXXXXX-----] 45: x/4 - h
m = 180.0 / args.bottom
assert x / m - h >= 0
im0.paste (im, (0, x/m - h))
base, ext = os.path.splitext (args.imagefile)
path = base + '_sphere' + ext
im0.save (path)
os.system ('python /home/rushing/src/pannellum-2.2.1/utils/multires/generate.py %s' % (path,))
config = json.loads (open ('output/config.json', 'rb').read())
config['multiRes']['path'] = 'output/' + config['multiRes']['path']
config['multiRes']['fallbackPath'] = 'output/' + config['multiRes']['fallbackPath']
config['pitch'] = -20
config['hfov'] = 90
config['autoLoad'] = True
config['autoRotate'] = -1
template = """
%s
"""
open ('index.html', 'wb').write (template % (args.title, json.dumps (config, sort_keys=True, indent=4)))