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serve.py
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serve.py
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from flask import Flask, send_file, render_template, abort, send_from_directory, jsonify
from PIL import Image
import urllib.request
import requests
import os, threading, json, glob, queue
from textblob import TextBlob
from unsplash_python.unsplash import Unsplash
unsplash = Unsplash({
'application_id': '30a7d2c59ecd38ab3631dad0bc18005c87d65d6af473c93e6df4ce6f2dbd9d07',
'secret': '427ee640ed1607b02cab74987bd261383dad9fbe84e9ebc4546ef173352b613b',
'callback_url': 'http://www.something.com'
})
app = Flask(__name__)
AWESOME_LOCS = [
[-26.938312,-68.74491499999999],
[60.534114,-149.55007899999998],
[60.070409,6.542388999999957],
[30.184983,-84.72466199999997],
[36.252972,136.90053699999999],
[48.865937,2.312376],
[36.2381539,137.9683151],
[64.0444798,-16.1711884],
[42.658402,11.633269],
[30.3248983,35.4471292],
[47.51075,10.390309],
[53.043081,57.064946],
[-8.4226166,115.3124971],
[35.659607,139.700378],
[50.087586,14.421231],
[-13.165713,-72.545542],
[41.403286,2.174673],
[-14.251967,-170.689851],
[33.461503,126.939297],
[-64.731988,-62.594564],
[27.17557,78.041462],
[68.19649,13.53183],
[53.2783229,107.3506844],
[59.9387245,30.3163621],
[40.4900264,-75.0729199],
[14.5841104,120.9799109],
[17.5707683,120.3886023],
[10.6422373,122.2358045],
[18.0619395,120.5205914],
[17.5713349,120.3887765],
[0.5738293,37.5750599],
[-1.3766622,36.7743556]
]
WIDTHS = [ 416, 832, 1664, 3328, 6656, 13312 ]
HEIGHTS = [ 416, 416, 832, 1664, 3328, 6656 ]
LEVELSW = [ 1, 2, 4, 7, 13, 26 ]
LEVELSH = [ 1, 1, 2, 4, 7, 13 ]
ROOT_FOLDER = "./images/"
X_RANGE = range(0,7)
Y_RANGE = range(0,3)
ZOOM = 3
def equirect(zoom):
global X_RANGE, Y_RANGE
width = WIDTHS[zoom]
height = HEIGHTS[zoom]
cols = LEVELSW[zoom]
rows = LEVELSH[zoom]
squareW = 512
squareH = 512
X_RANGE = range(0,cols)
Y_RANGE = range(0,rows)
return {
'columns': cols,
'rows': rows,
'tileWidth': squareW,
'tileHeight': squareH,
'width': width,
'height': height
}
class ThreadUrl(threading.Thread):
def __init__(self, myQueue):
threading.Thread.__init__(self)
self.myQueue = myQueue
def run(self):
while True:
(panoid,X,Y) = self.myQueue.get()
url = _format_tile(panoid, X, Y)
input_image = ROOT_FOLDER + str(panoid)+'-'+str(X)+'-'+str(Y)+".jpg"
urllib.request.urlretrieve(url,input_image)
self.myQueue.task_done()
def download_all_img(data):
myQueue = queue.Queue()
for i in range(len(data)):
t = ThreadUrl(myQueue)
t.setDaemon(True)
t.start()
for datum in data:
myQueue.put(datum)
myQueue.join()
def _format_id(panoid):
return 'http://maps.google.com/cbk?output=json&cb_client=apiv3&v=4&dm=1&pm=1&ph=1&hl=en&panoid=' + panoid
def _format_loc(lat, lng, rad):
return 'https://cbks0.google.com/cbk?cb_client=apiv3&authuser=0&hl=en&output=polygon&it=1%3A1&rank=closest&ll=' + str(lat)+ ',' + str(lng) + '&radius=' + str(rad)
def _format_tile(panoid, x, y):
return 'https://geo0.ggpht.com/cbk?cb_client=maps_sv.tactile&authuser=0&hl=en&panoid=' + str(panoid) + '&output=tile&x=' + str(x) + '&y=' + str(y) + '&zoom=' + str(ZOOM) + '&nbt&fover=2'
def get_panoid_by_loc(lat,lng):
'''
return panoid from location, False if not found
'''
r = requests.get(_format_loc(lat,lng,400))
print(r.text)
if r.text == '{}': return False
return json.loads(r.text)['result'][0]['id']
def get_links_by_panoid(panoid):
'''
returns the linked panoid (frames), i.e. clicking the arrow button in google street view
'''
r = requests.get(_format_id(panoid))
return json.loads(r.text)['Links']
def get_api_by_panoid(panoid):
'''
returns the linked panoid (frames), i.e. clicking the arrow button in google street view
'''
r = requests.get(_format_id(panoid))
return json.loads(r.text)
def stitch(data, hd):
'''
stitch tiles together and save a stitched file
'''
if hd:
ext = '.png'
else :
ext = '.jpg'
rect = equirect(ZOOM)
images = [Image.open(ROOT_FOLDER +str(panoid)+'-'+str(X)+'-'+str(Y)+'.jpg') for (panoid, X, Y) in data ]
total_size = (rect['width'], rect['height'])
stitched = Image.new('RGB', total_size)
panoid = data[0][0]
for (datum, im) in zip(data, images):
(panoid, x, y) = datum
stitched.paste(im=im, box=(512*x,512*y))
if hd:
blah = 'hd'
else:
blah = ''
fname = ROOT_FOLDER + blah +'stitched-'+panoid+ext
if hd:
stitched = stitched.resize((4096,2048))
else:
stitched = stitched.resize((1024,512))
stitched.save(fname)
@app.route('/location/<lat>/<lng>')
def api(lat,lng):
'''
GET the equirectangular streetview image at location
'''
panoid = get_panoid_by_loc(lat,lng)
if not panoid:
abort(404)
output_image = ROOT_FOLDER + 'stitched-'+panoid+'.jpg'
if os.path.exists(output_image):
pass
else:
data = [(panoid,X,Y) for X in X_RANGE for Y in Y_RANGE]
download_all_img(data)
stitch(data, False)
return send_file(output_image)
@app.route('/panoid/<panoid>')
def panoid_get(panoid):
'''
downloads equirectangular streetview image at panoid
http://localhost:5000/panoid/DtaclnuEVvssSuojH8CPpw
'''
output_image = ROOT_FOLDER + 'stitched-'+panoid+'.jpg'
if os.path.exists(output_image):
pass
else:
data = [(panoid,X,Y) for X in X_RANGE for Y in Y_RANGE]
download_all_img(data)
stitch(data, False)
return send_file(output_image)
@app.route('/keypanoid/<panoid>')
def keypanoid_get(panoid):
'''
downloads equirectangular streetview image at panoid
http://localhost:5000/panoid/DtaclnuEVvssSuojH8CPpw
'''
output_image = ROOT_FOLDER + 'hdstitched-'+panoid+'.png'
if os.path.exists(output_image):
pass
else:
data = [(panoid,X,Y) for X in X_RANGE for Y in Y_RANGE]
download_all_img(data)
stitch(data, True)
return send_file(output_image)
@app.route('/api/<panoid>')
def panoid_api_get(panoid):
'''
returns the original panoid api with depth map etc...
'''
return jsonify(get_api_by_panoid(panoid))
@app.route('/next/<panoid>')
def get_next_linked_panoid(panoid):
'''
GET the next panoid
http://localhost:5000/next/DtaclnuEVvssSuojH8CPpw
'''
return jsonify(get_links_by_panoid(panoid))
def init():
equirect(ZOOM)
@app.route('/nouns/<text>')
def nlp(text):
blob = [word for (word, tag) in TextBlob(text).tags if tag == "NN"]
print(blob) # convert this list of strings(nouns) to a list of urls
searchq = [ json.loads(requests.get("https://pixabay.com/api/?key=4600901-0a61793485c8e08b555145cd1&q="+x+"&image_type=photo&pretty=false").text) for x in blob ]
ret = [ x['hits'][0]['webformatURL'] for x in searchq ]
return jsonify(ret)
@app.route('/images/<path:path>')
def send_static(path):
return send_from_directory('images', path)
@app.route('/assets/<path:path>')
def send_assets(path):
return send_from_directory('assets', path)
@app.route('/viewer')
def viewer():
return render_template('viewer.jinja2')
@app.route('/')
def index():
return render_template('index.jinja2')
if __name__ == "__main__":
init()
app.run('127.0.0.1','5000')
# panoid = get_panoid_by_loc(AWESOME_LOCS[0][0],AWESOME_LOCS[0][1])
# data = [(panoid,X,Y) for X in X_RANGE for Y in Y_RANGE]
# download_all_img(data)
# stitch(data)
# get_links_by_panoid(panoid)