mirror of
https://github.com/AliFlux/MapTilesDownloader.git
synced 2025-05-15 22:50:10 -07:00
Mbtiles, python 3.0+, and docker support
This commit is contained in:
Ali Ashraf
parent
69f48a75ca
commit
4e79189c70
2
.dockerignore
Normal file
2
.dockerignore
Normal file
@ -0,0 +1,2 @@
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/src/output/**/**
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/src/temp/**
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4
.gitignore
vendored
4
.gitignore
vendored
@ -1,2 +1,2 @@
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output/
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temp/
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src/output/
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src/temp/
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12
Dockerfile
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12
Dockerfile
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@ -0,0 +1,12 @@
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FROM python:3.8
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WORKDIR /app
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COPY src/requirements.txt ./
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RUN pip install -r requirements.txt
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# Bundle app source
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COPY src /app
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EXPOSE 8080
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CMD [ "python", "server.py" ]
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19
README.md
19
README.md
@ -16,11 +16,21 @@ This tiny python based script allows you to download map tiles from Google, Bing
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python server.py
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```
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If your web browser doesn't open a map afterwards, navigate to `UI\index.htm` and open it manually. The output tiles will be in the `output\{timestamp}\` directory by default.
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Then open up your web browser and navigate to `http://localhost:8080`. The output map tiles will be in the `output\{timestamp}\` directory by default.
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## Requirements
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Needs **Python 3.5** and a modern web browser. Other Python versions could work but aren't yet tested.
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Needs **Python 3.0+**, [Pillow](https://pypi.org/project/Pillow/) library, and a modern web browser. Other Python versions could work but aren't yet tested. If you can't install manually, try docker for easy setup.
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## Via Docker
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Docker is a pretty simple way to install and contain applications. [Install Docker on your system](https://www.docker.com/products/docker-desktop), and paste this on your command line:
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```sh
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docker run -v $PWD/output:/app/output/ -p 8080:8080 -it aliashraf/map-tiles-downloader
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```
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Now open the browser and head over to `http://localhost:8080`. The downloaded maps will be stored in the `output` directory.
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## Purpose
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@ -31,6 +41,9 @@ I design map related things as a hobby, and often I have to work with offline ma
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- Super easy to use map UI to select region and options
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- Multi-threading to download tiles in parallel
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- Cross platform, use any OS as long as it has Python and a browser
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- Dockerfile available for easy setup
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- Supports 2x/Hi-Res/Retina/512x512 tiles my merging multiple tiles
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- Supports downloading to file as well as mbtile format
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- Select multiple zoom levels in one go
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- Ability to ignore tiles already downloaded
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- Specify any custom file name format
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@ -50,4 +63,4 @@ For latest releases and announcements, check out my site: [aliashraf.net](http:/
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This software is released under the [MIT License](LICENSE). Please read LICENSE for information on the
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software availability and distribution.
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Copyright (c) 2018 [Ali Ashraf](http://aliashraf.net)
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Copyright (c) 2020 [Ali Ashraf](http://aliashraf.net)
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167
server.py
167
server.py
@ -1,167 +0,0 @@
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#!/usr/bin/env python
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from http.server import BaseHTTPRequestHandler, HTTPServer
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from socketserver import ThreadingMixIn
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import threading
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from urllib.parse import urlparse
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from urllib.parse import parse_qs
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from urllib.parse import parse_qsl
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import urllib.request
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import cgi
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import uuid
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import random
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import string
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from cgi import parse_header, parse_multipart
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import argparse
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import uuid
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import random
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import time
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import json
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import shutil
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import ssl
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import glob
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import os
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import base64
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lock = threading.Lock()
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class serverHandler(BaseHTTPRequestHandler):
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def ensureDirectory(self, directory):
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thisPath = os.path.join('output', directory)
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lock.acquire()
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try:
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if not os.path.exists('temp'):
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os.makedirs('temp')
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if not os.path.exists('output'):
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os.makedirs('output')
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if not os.path.exists(thisPath):
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os.makedirs(thisPath)
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finally:
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lock.release()
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return thisPath
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def randomString(self):
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return uuid.uuid4().hex.upper()[0:6]
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def downloadFile(self, url, destination):
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code = 0
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# monkey patching SSL certificate issue
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# DONT use it in a prod/sensitive environment
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ssl._create_default_https_context = ssl._create_unverified_context
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try:
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path, response = urllib.request.urlretrieve(url, destination)
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code = 200
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except urllib.error.URLError as e:
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if not hasattr(e, "code"):
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print(e)
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code = -1
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else:
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code = e.code
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return code
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def do_POST(self):
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ctype, pdict = parse_header(self.headers['content-type'])
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pdict['boundary'] = bytes(pdict['boundary'].encode('ascii'))
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postvars = parse_multipart(self.rfile, pdict)
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parts = urlparse(self.path)
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if parts.path == '/download-tile':
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x = int(postvars['x'][0])
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y = int(postvars['y'][0])
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z = int(postvars['z'][0])
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quad = str(postvars['quad'][0].decode("utf-8"))
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timestamp = int(postvars['timestamp'][0])
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outputDirectory = str(postvars['outputDirectory'][0].decode("utf-8"))
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outputFile = str(postvars['outputFile'][0].decode("utf-8"))
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source = str(postvars['source'][0].decode("utf-8"))
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replaceMap = {
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"x": str(x),
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"y": str(y),
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"z": str(z),
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"quad": quad,
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"timestamp": str(timestamp),
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}
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for key, value in replaceMap.items():
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newKey = str("{" + str(key) + "}")
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outputDirectory = outputDirectory.replace(newKey, value)
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outputFile = outputFile.replace(newKey, value)
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source = source.replace(newKey, value)
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result = {}
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thisPath = self.ensureDirectory(outputDirectory);
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filePath = os.path.join(thisPath, outputFile)
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print("\n")
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if os.path.isfile(filePath):
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result["code"] = 200
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result["message"] = 'Tile already exists'
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print("EXISTS: " + filePath)
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else:
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tempFile = self.randomString() + ".png"
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tempFilePath = os.path.join("temp", tempFile)
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result["code"] = self.downloadFile(source, tempFilePath)
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print("HIT: " + source + "\n" + "RETURN: " + str(result["code"]))
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if os.path.isfile(tempFilePath):
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shutil.copyfile(tempFilePath, filePath)
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os.remove(tempFilePath)
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result["message"] = 'Tile Downloaded'
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print("SAVE: " + filePath)
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else:
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result["message"] = 'Download failed'
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if os.path.isfile(filePath):
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with open(filePath, "rb") as image_file:
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result["image"] = base64.b64encode(image_file.read()).decode("utf-8")
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self.send_response(200)
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self.send_header("Access-Control-Allow-Origin", "*")
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self.send_header("Content-Type", "application/json")
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self.end_headers()
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self.wfile.write(json.dumps(result).encode('utf-8'))
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return
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class serverThreadedHandler(ThreadingMixIn, HTTPServer):
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"""Handle requests in a separate thread."""
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def run():
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print('Starting Server...')
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server_address = ('', 11291)
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httpd = serverThreadedHandler(server_address, serverHandler)
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print('Running Server...')
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os.startfile('UI\\index.htm', 'open')
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print("Open UI\\index.htm to view the application.")
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httpd.serve_forever()
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run()
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0
UI/async.min.js → src/UI/async.min.js
vendored
0
UI/async.min.js → src/UI/async.min.js
vendored
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Before Width: | Height: | Size: 62 KiB After Width: | Height: | Size: 62 KiB |
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Before Width: | Height: | Size: 54 KiB After Width: | Height: | Size: 54 KiB |
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Before Width: | Height: | Size: 54 KiB After Width: | Height: | Size: 54 KiB |
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Before Width: | Height: | Size: 58 KiB After Width: | Height: | Size: 58 KiB |
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Before Width: | Height: | Size: 54 KiB After Width: | Height: | Size: 54 KiB |
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Before Width: | Height: | Size: 58 KiB After Width: | Height: | Size: 58 KiB |
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Before Width: | Height: | Size: 54 KiB After Width: | Height: | Size: 54 KiB |
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Before Width: | Height: | Size: 57 KiB After Width: | Height: | Size: 57 KiB |
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Before Width: | Height: | Size: 55 KiB After Width: | Height: | Size: 55 KiB |
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Before Width: | Height: | Size: 57 KiB After Width: | Height: | Size: 57 KiB |
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Before Width: | Height: | Size: 58 KiB After Width: | Height: | Size: 58 KiB |
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Before Width: | Height: | Size: 55 KiB After Width: | Height: | Size: 55 KiB |
@ -5,7 +5,8 @@
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<meta charset="utf-8"/>
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<meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' />
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<script src="jquery.min.js"></script>
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<!-- TODO replace jquery with react -->
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<script src="jquery.min.js"></script>
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<script src='https://api.tiles.mapbox.com/mapbox-gl-js/v0.50.0/mapbox-gl.js'></script>
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<link href='https://api.tiles.mapbox.com/mapbox-gl-js/v0.50.0/mapbox-gl.css' rel='stylesheet' />
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@ -47,11 +48,11 @@
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Search an Area
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</div>
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<form id='search-form'>
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<p class="input-field col s12">
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<form id='search-form' class='sidebar-section row'>
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<div class="input-field col s12">
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<input id="location-box" type="text" value="New York" />
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<label for="location-box">Enter a location</label>
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</p>
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</div>
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</form>
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@ -62,9 +63,11 @@
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Select a Region
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</div>
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<p class='center-align'>
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<a class="waves-effect waves-light z-depth-0 btn-small orange darken-3" id='rectangle-draw-button'>Draw a rectangle</a>
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</p>
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<div class='center-align sidebar-section'>
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<p>
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<a class="waves-effect waves-light z-depth-0 btn-small orange darken-3" id='rectangle-draw-button'>Draw a rectangle</a>
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</p>
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</div>
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<div class='step-number'>
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3
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@ -73,7 +76,7 @@
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Configure
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</div>
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<p>
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<div class='sidebar-section'>
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<div class="row">
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<div class="input-field col s6">
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<input id="zoom-from-box" type="text" value='15'/>
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@ -103,7 +106,7 @@
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<a class="waves-effect waves-light z-depth-0 btn-small orange darken-3" id='grid-preview-button'>Preview Grid</a>
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</div>
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</p>
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</div>
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<div class='step-number'>
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4
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@ -112,21 +115,39 @@
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<a href='javascript:void(0)' id='more-options-toggle'>More Options (+)</a>
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</div>
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<div style='display:none;' id='more-options'>
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<p class="input-field col s12">
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<div style='display:none;' id='more-options' class='sidebar-section row'>
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<div class="input-field col s12">
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<select id="output-scale" type="text">
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<option value="1">1x</option>
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<option value="2">2x</option>
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</select>
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<label for="output-scale">Output scale</label>
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</div>
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<div class="input-field col s12">
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<input id="output-directory-box" type="text" value="{timestamp}">
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<label for="output-directory-box">Output directory</label>
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</p>
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</div>
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<p class="input-field col s12">
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<input id="output-file-box" type="text" value="{x}-{y}-{z}.png">
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<div class="input-field col s12">
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<select id="output-type" type="text">
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<option value="directory">Directory</option>
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<option value="mbtiles">Mbtiles</option>
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<option value="repo">Repo</option>
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</select>
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<label for="output-type">Output type</label>
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</div>
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<div class="input-field col s12">
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<input id="output-file-box" type="text" value="{z}/{x}/{y}.png">
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<label for="output-file-box">Output file</label>
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</p>
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</div>
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<p class="input-field col s12">
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<div class="input-field col s12">
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<input id="parallel-threads-box" type="text" value="4">
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<label for="parallel-threads-box">Parallel downloads</label>
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</p>
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</div>
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</div>
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<button class='waves-effect waves-light z-depth-0 btn-large cyan darken-2 bottom-button' id='download-button'>Download</button>
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@ -141,22 +162,25 @@
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<div class="step-title">
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Downloading tiles
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</div>
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<div class="hints">
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<div class="hints sidebar-section">
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Please wait...
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</div>
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<p id='progress-radial'>
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<div class="sidebar-section">
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<div id='progress-radial' class=''>
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</div>
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<p id='progress-subtitle' class=''>
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</p>
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<p class='tile-strip '>
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</p>
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</p>
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<p id='progress-subtitle'>
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</p>
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<p class='tile-strip'>
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</p>
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<textarea id='log-view'></textarea>
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</div>
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<textarea id='log-view' class="sidebar-section"></textarea>
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<button class='waves-effect waves-light z-depth-0 btn-large red lighten-5 bottom-button' id='stop-button'>Stop</button>
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0
UI/jquery.min.js → src/UI/jquery.min.js
vendored
0
UI/jquery.min.js → src/UI/jquery.min.js
vendored
@ -16,7 +16,7 @@ $(function() {
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"Bing Maps Satellite": "http://ecn.t0.tiles.virtualearth.net/tiles/a{quad}.jpeg?g=129&mkt=en&stl=H",
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"Bing Maps Hybrid": "http://ecn.t0.tiles.virtualearth.net/tiles/h{quad}.jpeg?g=129&mkt=en&stl=H",
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"div-1": "",
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"div-1B": "",
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"Google Maps": "https://mt0.google.com/vt?lyrs=m&x={x}&s=&y={y}&z={z}",
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"Google Maps Satellite": "https://mt0.google.com/vt?lyrs=s&x={x}&s=&y={y}&z={z}",
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@ -48,7 +48,7 @@ $(function() {
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map = new mapboxgl.Map({
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container: 'map-view',
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style: 'mapbox://styles/mapbox/satellite-v9',
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style: 'mapbox://styles/aliashraf/ck6lw9nr80lvo1ipj8zovttdx',
|
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center: [-73.983652, 40.755024],
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zoom: 12
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});
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@ -104,6 +104,18 @@ $(function() {
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$("#more-options").toggle();
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})
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var outputFileBox = $("#output-file-box")
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$("#output-type").change(function() {
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var outputType = $("#output-type").val();
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if(outputType == "mbtiles") {
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outputFileBox.val("tiles.mbtiles")
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} else if(outputType == "repo") {
|
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outputFileBox.val("tiles.repo")
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} else if(outputType == "directory") {
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outputFileBox.val("{z}/{x}/{y}.png")
|
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}
|
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})
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||||
|
||||
}
|
||||
|
||||
function initializeRectangleTool() {
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||||
@ -232,7 +244,7 @@ $(function() {
|
||||
return false;
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||||
}
|
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function getGrid(zoomLevel) {
|
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function getBounds() {
|
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|
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var coordinates = draw.getAll().features[0].geometry.coordinates[0];
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|
||||
@ -240,23 +252,34 @@ $(function() {
|
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return bounds.extend(coord);
|
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}, new mapboxgl.LngLatBounds(coordinates[0], coordinates[0]));
|
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|
||||
return bounds;
|
||||
}
|
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|
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function getGrid(zoomLevel) {
|
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var bounds = getBounds();
|
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var rects = [];
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var TY = lat2tile(bounds.getNorthEast().lat, zoomLevel);
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var LX = long2tile(bounds.getSouthWest().lng, zoomLevel);
|
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var BY = lat2tile(bounds.getSouthWest().lat, zoomLevel);
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var RX = long2tile(bounds.getNorthEast().lng, zoomLevel);
|
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var outputScale = $("#output-scale").val();
|
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//var thisZoom = zoomLevel - (outputScale-1)
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var thisZoom = zoomLevel
|
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|
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var TY = lat2tile(bounds.getNorthEast().lat, thisZoom);
|
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var LX = long2tile(bounds.getSouthWest().lng, thisZoom);
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var BY = lat2tile(bounds.getSouthWest().lat, thisZoom);
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var RX = long2tile(bounds.getNorthEast().lng, thisZoom);
|
||||
|
||||
for(var y = TY; y <= BY; y++) {
|
||||
for(var x = LX; x <= RX; x++) {
|
||||
|
||||
var rect = getTileRect(x, y, zoomLevel);
|
||||
var rect = getTileRect(x, y, thisZoom);
|
||||
|
||||
if(isTileInSelection(rect)) {
|
||||
rects.push({
|
||||
x: x,
|
||||
y: y,
|
||||
zoom: zoomLevel,
|
||||
z: thisZoom,
|
||||
rect: rect,
|
||||
});
|
||||
}
|
||||
@ -272,7 +295,7 @@ $(function() {
|
||||
|
||||
for(var z = getMinZoom(); z <= getMaxZoom(); z++) {
|
||||
var grid = getGrid(z);
|
||||
// TODO shuffle grid via a heuristic
|
||||
// TODO shuffle grid via a heuristic (hamlet curve? :/)
|
||||
allTiles = allTiles.concat(grid);
|
||||
}
|
||||
|
||||
@ -400,7 +423,7 @@ $(function() {
|
||||
strip.prepend(image)
|
||||
}
|
||||
|
||||
function startDownloading() {
|
||||
async function startDownloading() {
|
||||
|
||||
if(draw.getAll().features.length == 0) {
|
||||
M.toast({html: 'You need to select a region first.', displayLength: 3000})
|
||||
@ -426,8 +449,37 @@ $(function() {
|
||||
var numThreads = parseInt($("#parallel-threads-box").val());
|
||||
var outputDirectory = $("#output-directory-box").val();
|
||||
var outputFile = $("#output-file-box").val();
|
||||
var outputType = $("#output-type").val();
|
||||
var outputScale = $("#output-scale").val();
|
||||
var source = $("#source-box").val()
|
||||
|
||||
var bounds = getBounds();
|
||||
var boundsArray = [bounds.getSouthWest().lng, bounds.getSouthWest().lat, bounds.getNorthEast().lng, bounds.getNorthEast().lat]
|
||||
var centerArray = [bounds.getCenter().lng, bounds.getCenter().lat, getMaxZoom()]
|
||||
|
||||
var data = new FormData();
|
||||
data.append('minZoom', getMinZoom())
|
||||
data.append('maxZoom', getMaxZoom())
|
||||
data.append('outputDirectory', outputDirectory)
|
||||
data.append('outputFile', outputFile)
|
||||
data.append('outputType', outputType)
|
||||
data.append('outputScale', outputScale)
|
||||
data.append('source', source)
|
||||
data.append('timestamp', timestamp)
|
||||
data.append('bounds', boundsArray.join(","))
|
||||
data.append('center', centerArray.join(","))
|
||||
|
||||
var request = await $.ajax({
|
||||
url: "/start-download",
|
||||
async: true,
|
||||
timeout: 30 * 1000,
|
||||
type: "post",
|
||||
contentType: false,
|
||||
processData: false,
|
||||
data: data,
|
||||
dataType: 'json',
|
||||
})
|
||||
|
||||
let i = 0;
|
||||
var iterator = async.eachLimit(allTiles, numThreads, function(item, done) {
|
||||
|
||||
@ -437,17 +489,21 @@ $(function() {
|
||||
|
||||
var boxLayer = previewRect(item);
|
||||
|
||||
var url = "http://127.0.0.1:11291/download-tile";
|
||||
var url = "/download-tile";
|
||||
|
||||
var data = new FormData();
|
||||
data.append('x', item.x)
|
||||
data.append('y', item.y)
|
||||
data.append('z', item.zoom)
|
||||
data.append('quad', generateQuadKey(item.x, item.y, item.zoom))
|
||||
data.append('z', item.z)
|
||||
data.append('quad', generateQuadKey(item.x, item.y, item.z))
|
||||
data.append('outputDirectory', outputDirectory)
|
||||
data.append('outputFile', outputFile)
|
||||
data.append('outputType', outputType)
|
||||
data.append('outputScale', outputScale)
|
||||
data.append('timestamp', timestamp)
|
||||
data.append('source', source)
|
||||
data.append('bounds', boundsArray.join(","))
|
||||
data.append('center', centerArray.join(","))
|
||||
|
||||
var request = $.ajax({
|
||||
"url": url,
|
||||
@ -466,9 +522,9 @@ $(function() {
|
||||
|
||||
if(data.code == 200) {
|
||||
showTinyTile(data.image)
|
||||
logItem(item.x, item.y, item.zoom, data.message);
|
||||
logItem(item.x, item.y, item.z, data.message);
|
||||
} else {
|
||||
logItem(item.x, item.y, item.zoom, data.code + " Error downloading tile");
|
||||
logItem(item.x, item.y, item.z, data.code + " Error downloading tile");
|
||||
}
|
||||
|
||||
}).fail(function(data, textStatus, errorThrown) {
|
||||
@ -477,7 +533,7 @@ $(function() {
|
||||
return;
|
||||
}
|
||||
|
||||
logItem(item.x, item.y, item.zoom, "Error while relaying tile");
|
||||
logItem(item.x, item.y, item.z, "Error while relaying tile");
|
||||
//allTiles.push(item);
|
||||
|
||||
}).always(function(data) {
|
||||
@ -495,7 +551,19 @@ $(function() {
|
||||
|
||||
requests.push(request);
|
||||
|
||||
}, function(err) {
|
||||
}, async function(err) {
|
||||
|
||||
var request = await $.ajax({
|
||||
url: "/end-download",
|
||||
async: true,
|
||||
timeout: 30 * 1000,
|
||||
type: "post",
|
||||
contentType: false,
|
||||
processData: false,
|
||||
data: data,
|
||||
dataType: 'json',
|
||||
})
|
||||
|
||||
updateProgress(allTiles.length, allTiles.length);
|
||||
logItemRaw("All requests are done");
|
||||
|
||||
@ -549,7 +617,6 @@ $(function() {
|
||||
|
||||
}
|
||||
|
||||
|
||||
initializeMaterialize();
|
||||
initializeSources();
|
||||
initializeMap();
|
||||
@ -7,31 +7,37 @@ html, body {
|
||||
}
|
||||
|
||||
#max-height {
|
||||
/*height: calc(100% - 120px);*/
|
||||
height: 100%;
|
||||
width: calc(100% - 300px);
|
||||
width: calc(100% - 302px);
|
||||
display: inline-block;
|
||||
position: relative;
|
||||
}
|
||||
|
||||
.sidebar {
|
||||
width: 300px;
|
||||
width: 340px;
|
||||
height: calc(100% - 120px);
|
||||
height: 100%;
|
||||
position: absolute;
|
||||
top: 0px;
|
||||
right: 0px;
|
||||
padding: 20px;
|
||||
border-left: 5px solid #f1f2f6;
|
||||
/* border-left: 5px solid #f1f2f6; */
|
||||
overflow-x: visible;
|
||||
overflow-y: auto;
|
||||
}
|
||||
|
||||
.sidebar > .sidebar-section {
|
||||
margin-left:40px;
|
||||
margin-top: 0.5em;
|
||||
margin-bottom: 0.5em;
|
||||
width: calc(100% - 40px);
|
||||
}
|
||||
|
||||
.bottom-button {
|
||||
position: absolute;
|
||||
bottom:15px;
|
||||
left: 0px;
|
||||
right: 0px;
|
||||
width: 90%;
|
||||
margin: auto;
|
||||
bottom: 20px;
|
||||
left: 60px;
|
||||
width: 260px;
|
||||
display: block;
|
||||
}
|
||||
|
||||
@ -64,7 +70,7 @@ html, body {
|
||||
display: inline-block;
|
||||
|
||||
padding-top: 2px;
|
||||
margin-left: -40px;
|
||||
/* margin-left: -40px; */
|
||||
margin-right: 12px;
|
||||
background: #00cec9;
|
||||
width: 35px;
|
||||
@ -166,10 +172,8 @@ hr {
|
||||
}
|
||||
|
||||
#log-view {
|
||||
height: calc(100% - 450px);
|
||||
height: calc(100% - 480px);
|
||||
border: 1px solid #cfd8dc;
|
||||
|
||||
|
||||
white-space: pre;
|
||||
overflow-wrap: normal;
|
||||
overflow-x: scroll;
|
||||
0
UI/turf.min.js → src/UI/turf.min.js
vendored
0
UI/turf.min.js → src/UI/turf.min.js
vendored
BIN
src/__pycache__/file_writer.cpython-38.pyc
Normal file
BIN
src/__pycache__/file_writer.cpython-38.pyc
Normal file
Binary file not shown.
BIN
src/__pycache__/mbtiles_writer.cpython-38.pyc
Normal file
BIN
src/__pycache__/mbtiles_writer.cpython-38.pyc
Normal file
Binary file not shown.
BIN
src/__pycache__/repo_writer.cpython-38.pyc
Normal file
BIN
src/__pycache__/repo_writer.cpython-38.pyc
Normal file
Binary file not shown.
BIN
src/__pycache__/utils.cpython-38.pyc
Normal file
BIN
src/__pycache__/utils.cpython-38.pyc
Normal file
Binary file not shown.
74
src/file_writer.py
Normal file
74
src/file_writer.py
Normal file
@ -0,0 +1,74 @@
|
||||
import sqlite3
|
||||
import os
|
||||
import multiprocessing
|
||||
import io
|
||||
import json
|
||||
import shutil
|
||||
|
||||
class FileWriter:
|
||||
|
||||
slicer = None
|
||||
|
||||
def ensureDirectory(lock, directory):
|
||||
|
||||
lock.acquire()
|
||||
try:
|
||||
|
||||
if not os.path.exists('temp'):
|
||||
os.makedirs('temp')
|
||||
|
||||
if not os.path.exists('output'):
|
||||
os.makedirs('output')
|
||||
|
||||
os.makedirs(directory, exist_ok=True)
|
||||
|
||||
finally:
|
||||
lock.release()
|
||||
|
||||
return directory
|
||||
|
||||
@staticmethod
|
||||
def addMetadata(lock, path, file, name, description, format, bounds, center, minZoom, maxZoom, profile="mercator", tileSize=256):
|
||||
|
||||
FileWriter.ensureDirectory(lock, path)
|
||||
|
||||
data = [
|
||||
("name", name),
|
||||
("description", description),
|
||||
("format", format),
|
||||
("bounds", ','.join(map(str, bounds))),
|
||||
("center", ','.join(map(str, center))),
|
||||
("minzoom", minZoom),
|
||||
("maxzoom", maxZoom),
|
||||
("profile", profile),
|
||||
("tilesize", str(tileSize)),
|
||||
("scheme", "xyz"),
|
||||
("generator", "EliteMapper by Visor Dynamics"),
|
||||
("type", "overlay"),
|
||||
("attribution", "EliteMapper by Visor Dynamics"),
|
||||
]
|
||||
|
||||
with open(path + "/metadata.json", 'w+') as jsonFile:
|
||||
json.dump(dict(data), jsonFile)
|
||||
|
||||
return
|
||||
|
||||
@staticmethod
|
||||
def addTile(lock, filePath, sourcePath, x, y, z, outputScale):
|
||||
|
||||
fileDirectory = os.path.dirname(filePath)
|
||||
FileWriter.ensureDirectory(lock, fileDirectory)
|
||||
|
||||
shutil.copyfile(sourcePath, filePath)
|
||||
|
||||
return
|
||||
|
||||
@staticmethod
|
||||
def exists(filePath, x, y, z):
|
||||
return os.path.isfile(filePath)
|
||||
|
||||
|
||||
@staticmethod
|
||||
def close(lock, path, file, minZoom, maxZoom):
|
||||
#TODO recalculate bounds and center
|
||||
return
|
||||
149
src/mbtiles_writer.py
Normal file
149
src/mbtiles_writer.py
Normal file
@ -0,0 +1,149 @@
|
||||
import sqlite3
|
||||
import os
|
||||
from os import listdir
|
||||
from os.path import isfile, join
|
||||
import multiprocessing
|
||||
from PIL import Image
|
||||
import io
|
||||
from utils import Utils
|
||||
|
||||
class MbtilesWriter:
|
||||
|
||||
def ensureDirectory(lock, directory):
|
||||
|
||||
lock.acquire()
|
||||
try:
|
||||
|
||||
if not os.path.exists('temp'):
|
||||
os.makedirs('temp')
|
||||
|
||||
if not os.path.exists('output'):
|
||||
os.makedirs('output')
|
||||
|
||||
os.makedirs(directory, exist_ok=True)
|
||||
|
||||
finally:
|
||||
lock.release()
|
||||
|
||||
return directory
|
||||
|
||||
|
||||
@staticmethod
|
||||
def addMetadata(lock, path, file, name, description, format, bounds, center, minZoom, maxZoom, profile="mercator", tileSize=256):
|
||||
|
||||
MbtilesWriter.ensureDirectory(lock, path)
|
||||
|
||||
connection = sqlite3.connect(file, check_same_thread=False)
|
||||
c = connection.cursor()
|
||||
c.execute("CREATE TABLE IF NOT EXISTS metadata (name text, value text);")
|
||||
c.execute("CREATE TABLE IF NOT EXISTS tiles (zoom_level integer, tile_column integer, tile_row integer, tile_data blob);")
|
||||
|
||||
try:
|
||||
c.execute("CREATE UNIQUE INDEX tile_index on tiles (zoom_level, tile_column, tile_row);")
|
||||
except:
|
||||
pass
|
||||
|
||||
try:
|
||||
c.execute("CREATE UNIQUE INDEX metadata_name ON metadata (name);")
|
||||
except:
|
||||
pass
|
||||
|
||||
connection.commit()
|
||||
|
||||
try:
|
||||
c.executemany("INSERT INTO metadata (name, value) VALUES (?, ?);", [
|
||||
("name", name),
|
||||
("description", description),
|
||||
("format", format),
|
||||
("bounds", ','.join(map(str, bounds))),
|
||||
("center", ','.join(map(str, center))),
|
||||
("minzoom", minZoom),
|
||||
("maxzoom", maxZoom),
|
||||
("profile", profile),
|
||||
("tilesize", str(tileSize)),
|
||||
("scheme", "tms"),
|
||||
("generator", "Map Tiles Downloader via AliFlux"),
|
||||
("type", "overlay"),
|
||||
("attribution", "Map Tiles Downloader via AliFlux"),
|
||||
])
|
||||
|
||||
connection.commit()
|
||||
except:
|
||||
pass
|
||||
|
||||
|
||||
|
||||
@staticmethod
|
||||
def addTile(lock, filePath, sourcePath, x, y, z, outputScale):
|
||||
|
||||
fileDirectory = os.path.dirname(filePath)
|
||||
MbtilesWriter.ensureDirectory(lock, fileDirectory)
|
||||
|
||||
invertedY = (2 ** z) - y - 1
|
||||
|
||||
tileData = []
|
||||
with open(sourcePath, "rb") as readFile:
|
||||
tileData = readFile.read()
|
||||
|
||||
lock.acquire()
|
||||
try:
|
||||
|
||||
connection = sqlite3.connect(filePath, check_same_thread=False)
|
||||
c = connection.cursor()
|
||||
c.execute("INSERT INTO tiles (zoom_level, tile_column, tile_row, tile_data) VALUES (?, ?, ?, ?);", [
|
||||
z, x, invertedY, tileData
|
||||
])
|
||||
|
||||
connection.commit()
|
||||
|
||||
finally:
|
||||
lock.release()
|
||||
|
||||
|
||||
return
|
||||
|
||||
@staticmethod
|
||||
def exists(filePath, x, y, z):
|
||||
invertedY = (2 ** z) - y - 1
|
||||
|
||||
if(os.path.exists(filePath)):
|
||||
|
||||
connection = sqlite3.connect(filePath, check_same_thread=False)
|
||||
c = connection.cursor()
|
||||
|
||||
c.execute("SELECT COUNT(*) FROM tiles WHERE zoom_level = ? AND tile_column = ? AND tile_row = ? LIMIT 1", (z, x, invertedY))
|
||||
|
||||
result = c.fetchone()
|
||||
|
||||
if result[0] > 0:
|
||||
return True
|
||||
|
||||
return False
|
||||
|
||||
|
||||
@staticmethod
|
||||
def close(lock, path, file, minZoom, maxZoom):
|
||||
|
||||
connection = sqlite3.connect(file, check_same_thread=False)
|
||||
c = connection.cursor()
|
||||
|
||||
c.execute("SELECT min(tile_row), max(tile_row), min(tile_column), max(tile_column) from tiles WHERE zoom_level = ?", [maxZoom])
|
||||
|
||||
minY, maxY, minX, maxX = c.fetchone()
|
||||
minY = (2 ** maxZoom) - minY - 1
|
||||
maxY = (2 ** maxZoom) - maxY - 1
|
||||
|
||||
minLat, minLon = Utils.num2deg(minX, minY, maxZoom)
|
||||
maxLat, maxLon = Utils.num2deg(maxX+1, maxY+1, maxZoom)
|
||||
|
||||
bounds = [minLon, minLat, maxLon, maxLat]
|
||||
boundsString = ','.join(map(str, bounds))
|
||||
|
||||
center = [(minLon + maxLon)/2, (minLat + maxLat)/2, maxZoom]
|
||||
centerString = ','.join(map(str, center))
|
||||
|
||||
c.execute("UPDATE metadata SET value = ? WHERE name = 'bounds'", [boundsString])
|
||||
c.execute("UPDATE metadata SET value = ? WHERE name = 'center'", [centerString])
|
||||
|
||||
connection.commit()
|
||||
|
||||
87
src/repo_writer.py
Normal file
87
src/repo_writer.py
Normal file
@ -0,0 +1,87 @@
|
||||
import sqlite3
|
||||
import os
|
||||
from os import listdir
|
||||
from os.path import isfile, join
|
||||
import multiprocessing
|
||||
from PIL import Image
|
||||
import io
|
||||
from utils import Utils
|
||||
|
||||
from mbtiles_writer import MbtilesWriter
|
||||
|
||||
class RepoWriter(MbtilesWriter):
|
||||
|
||||
@staticmethod
|
||||
def addMetadata(lock, path, file, name, description, format, bounds, center, minZoom, maxZoom, profile="mercator", tileSize=256):
|
||||
|
||||
RepoWriter.ensureDirectory(lock, path)
|
||||
|
||||
connection = sqlite3.connect(file, check_same_thread=False)
|
||||
c = connection.cursor()
|
||||
c.execute("CREATE TABLE IF NOT EXISTS metadata (name text, value text);")
|
||||
c.execute("CREATE TABLE IF NOT EXISTS tiles (zoom_level integer, tile_column integer, tile_row integer, tile_data blob, tile_cropped_data blob, pixel_left real, pixel_top real, pixel_right real, pixel_bottom real, has_alpha INTEGER);")
|
||||
|
||||
try:
|
||||
c.execute("CREATE UNIQUE INDEX tile_index on tiles (zoom_level, tile_column, tile_row);")
|
||||
except:
|
||||
pass
|
||||
|
||||
try:
|
||||
c.execute("CREATE UNIQUE INDEX metadata_name ON metadata (name);")
|
||||
except:
|
||||
pass
|
||||
|
||||
connection.commit()
|
||||
|
||||
c = connection.cursor()
|
||||
|
||||
|
||||
try:
|
||||
c.executemany("INSERT INTO metadata (name, value) VALUES (?, ?);", [
|
||||
("name", name),
|
||||
("description", description),
|
||||
("format", format),
|
||||
("bounds", ','.join(map(str, bounds))),
|
||||
("center", ','.join(map(str, center))),
|
||||
("minzoom", minZoom),
|
||||
("maxzoom", maxZoom),
|
||||
("profile", profile),
|
||||
("tilesize", str(tileSize)),
|
||||
("scheme", "tms"),
|
||||
("generator", "Map Tiles Downloader via AliFlux"),
|
||||
("type", "overlay"),
|
||||
("attribution", "Map Tiles Downloader via AliFlux"),
|
||||
])
|
||||
|
||||
connection.commit()
|
||||
except:
|
||||
pass
|
||||
|
||||
@staticmethod
|
||||
def addTile(lock, filePath, sourcePath, x, y, z, outputScale):
|
||||
|
||||
fileDirectory = os.path.dirname(filePath)
|
||||
RepoWriter.ensureDirectory(lock, fileDirectory)
|
||||
|
||||
invertedY = (2 ** z) - y - 1
|
||||
|
||||
tileData = []
|
||||
with open(sourcePath, "rb") as readFile:
|
||||
tileData = readFile.read()
|
||||
|
||||
lock.acquire()
|
||||
try:
|
||||
|
||||
connection = sqlite3.connect(filePath, check_same_thread=False)
|
||||
c = connection.cursor()
|
||||
c.execute("INSERT INTO tiles (zoom_level, tile_column, tile_row, tile_data, tile_cropped_data, pixel_left, pixel_top, pixel_right, pixel_bottom, has_alpha) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?);", [
|
||||
z, x, invertedY, None, tileData, 0, 0, 256 * outputScale, 256 * outputScale, 0
|
||||
])
|
||||
|
||||
connection.commit()
|
||||
|
||||
finally:
|
||||
lock.release()
|
||||
|
||||
|
||||
return
|
||||
1
src/requirements.txt
Normal file
1
src/requirements.txt
Normal file
@ -0,0 +1 @@
|
||||
Pillow==2.2.1
|
||||
236
src/server.py
Normal file
236
src/server.py
Normal file
@ -0,0 +1,236 @@
|
||||
#!/usr/bin/env python
|
||||
|
||||
from http.server import BaseHTTPRequestHandler, HTTPServer
|
||||
from socketserver import ThreadingMixIn
|
||||
import threading
|
||||
|
||||
from urllib.parse import urlparse
|
||||
from urllib.parse import parse_qs
|
||||
from urllib.parse import parse_qsl
|
||||
import urllib.request
|
||||
import cgi
|
||||
import uuid
|
||||
import random
|
||||
import string
|
||||
from cgi import parse_header, parse_multipart
|
||||
import argparse
|
||||
import uuid
|
||||
import random
|
||||
import time
|
||||
import json
|
||||
import shutil
|
||||
import ssl
|
||||
import glob
|
||||
import os
|
||||
import base64
|
||||
import mimetypes
|
||||
|
||||
from file_writer import FileWriter
|
||||
from mbtiles_writer import MbtilesWriter
|
||||
from repo_writer import RepoWriter
|
||||
from utils import Utils
|
||||
|
||||
lock = threading.Lock()
|
||||
|
||||
class serverHandler(BaseHTTPRequestHandler):
|
||||
|
||||
def randomString(self):
|
||||
return uuid.uuid4().hex.upper()[0:6]
|
||||
|
||||
def writerByType(self, type):
|
||||
if(type == "mbtiles"):
|
||||
return MbtilesWriter
|
||||
elif(type == "repo"):
|
||||
return RepoWriter
|
||||
elif(type == "directory"):
|
||||
return FileWriter
|
||||
|
||||
def do_POST(self):
|
||||
|
||||
ctype, pdict = cgi.parse_header(self.headers.get('Content-Type'))
|
||||
#ctype, pdict = cgi.parse_header(self.headers['content-type'])
|
||||
pdict['boundary'] = bytes(pdict['boundary'], "utf-8")
|
||||
|
||||
content_len = int(self.headers.get('Content-length'))
|
||||
pdict['CONTENT-LENGTH'] = content_len
|
||||
|
||||
postvars = cgi.parse_multipart(self.rfile, pdict)
|
||||
|
||||
parts = urlparse(self.path)
|
||||
if parts.path == '/download-tile':
|
||||
|
||||
x = int(postvars['x'][0])
|
||||
y = int(postvars['y'][0])
|
||||
z = int(postvars['z'][0])
|
||||
quad = str(postvars['quad'][0])
|
||||
timestamp = int(postvars['timestamp'][0])
|
||||
outputDirectory = str(postvars['outputDirectory'][0])
|
||||
outputFile = str(postvars['outputFile'][0])
|
||||
outputType = str(postvars['outputType'][0])
|
||||
outputScale = int(postvars['outputScale'][0])
|
||||
source = str(postvars['source'][0])
|
||||
|
||||
replaceMap = {
|
||||
"x": str(x),
|
||||
"y": str(y),
|
||||
"z": str(z),
|
||||
"quad": quad,
|
||||
"timestamp": str(timestamp),
|
||||
}
|
||||
|
||||
for key, value in replaceMap.items():
|
||||
newKey = str("{" + str(key) + "}")
|
||||
outputDirectory = outputDirectory.replace(newKey, value)
|
||||
outputFile = outputFile.replace(newKey, value)
|
||||
|
||||
result = {}
|
||||
|
||||
filePath = os.path.join("output", outputDirectory, outputFile)
|
||||
|
||||
print("\n")
|
||||
|
||||
if self.writerByType(outputType).exists(filePath, x, y, z):
|
||||
result["code"] = 200
|
||||
result["message"] = 'Tile already exists'
|
||||
|
||||
print("EXISTS: " + filePath)
|
||||
|
||||
else:
|
||||
|
||||
tempFile = self.randomString() + ".png"
|
||||
tempFilePath = os.path.join("temp", tempFile)
|
||||
|
||||
result["code"] = Utils.downloadFileScaled(source, tempFilePath, x, y, z, outputScale)
|
||||
|
||||
print("HIT: " + source + "\n" + "RETURN: " + str(result["code"]))
|
||||
|
||||
if os.path.isfile(tempFilePath):
|
||||
self.writerByType(outputType).addTile(lock, filePath, tempFilePath, x, y, z, outputScale)
|
||||
|
||||
with open(tempFilePath, "rb") as image_file:
|
||||
result["image"] = base64.b64encode(image_file.read()).decode("utf-8")
|
||||
|
||||
os.remove(tempFilePath)
|
||||
|
||||
result["message"] = 'Tile Downloaded'
|
||||
print("SAVE: " + filePath)
|
||||
|
||||
else:
|
||||
result["message"] = 'Download failed'
|
||||
|
||||
|
||||
self.send_response(200)
|
||||
# self.send_header("Access-Control-Allow-Origin", "*")
|
||||
self.send_header("Content-Type", "application/json")
|
||||
self.end_headers()
|
||||
self.wfile.write(json.dumps(result).encode('utf-8'))
|
||||
return
|
||||
|
||||
elif parts.path == '/start-download':
|
||||
outputType = str(postvars['outputType'][0])
|
||||
outputScale = int(postvars['outputScale'][0])
|
||||
outputDirectory = str(postvars['outputDirectory'][0])
|
||||
outputFile = str(postvars['outputFile'][0])
|
||||
minZoom = int(postvars['minZoom'][0])
|
||||
maxZoom = int(postvars['maxZoom'][0])
|
||||
timestamp = int(postvars['timestamp'][0])
|
||||
bounds = str(postvars['bounds'][0])
|
||||
boundsArray = map(float, bounds.split(","))
|
||||
center = str(postvars['center'][0])
|
||||
centerArray = map(float, center.split(","))
|
||||
|
||||
replaceMap = {
|
||||
"timestamp": str(timestamp),
|
||||
}
|
||||
|
||||
for key, value in replaceMap.items():
|
||||
newKey = str("{" + str(key) + "}")
|
||||
outputDirectory = outputDirectory.replace(newKey, value)
|
||||
outputFile = outputFile.replace(newKey, value)
|
||||
|
||||
filePath = os.path.join("output", outputDirectory, outputFile)
|
||||
|
||||
self.writerByType(outputType).addMetadata(lock, os.path.join("output", outputDirectory), filePath, outputFile, "Map Tiles Downloader via AliFlux", "png", boundsArray, centerArray, minZoom, maxZoom, "mercator", 256 * outputScale)
|
||||
|
||||
result = {}
|
||||
result["code"] = 200
|
||||
result["message"] = 'Metadata written'
|
||||
|
||||
self.send_response(200)
|
||||
# self.send_header("Access-Control-Allow-Origin", "*")
|
||||
self.send_header("Content-Type", "application/json")
|
||||
self.end_headers()
|
||||
self.wfile.write(json.dumps(result).encode('utf-8'))
|
||||
return
|
||||
|
||||
elif parts.path == '/end-download':
|
||||
outputType = str(postvars['outputType'][0])
|
||||
outputScale = int(postvars['outputScale'][0])
|
||||
outputDirectory = str(postvars['outputDirectory'][0])
|
||||
outputFile = str(postvars['outputFile'][0])
|
||||
minZoom = int(postvars['minZoom'][0])
|
||||
maxZoom = int(postvars['maxZoom'][0])
|
||||
timestamp = int(postvars['timestamp'][0])
|
||||
bounds = str(postvars['bounds'][0])
|
||||
boundsArray = map(float, bounds.split(","))
|
||||
center = str(postvars['center'][0])
|
||||
centerArray = map(float, center.split(","))
|
||||
|
||||
replaceMap = {
|
||||
"timestamp": str(timestamp),
|
||||
}
|
||||
|
||||
for key, value in replaceMap.items():
|
||||
newKey = str("{" + str(key) + "}")
|
||||
outputDirectory = outputDirectory.replace(newKey, value)
|
||||
outputFile = outputFile.replace(newKey, value)
|
||||
|
||||
filePath = os.path.join("output", outputDirectory, outputFile)
|
||||
|
||||
self.writerByType(outputType).close(lock, os.path.join("output", outputDirectory), filePath, minZoom, maxZoom)
|
||||
|
||||
result = {}
|
||||
result["code"] = 200
|
||||
result["message"] = 'Downloaded ended'
|
||||
|
||||
self.send_response(200)
|
||||
# self.send_header("Access-Control-Allow-Origin", "*")
|
||||
self.send_header("Content-Type", "application/json")
|
||||
self.end_headers()
|
||||
self.wfile.write(json.dumps(result).encode('utf-8'))
|
||||
return
|
||||
|
||||
def do_GET(self):
|
||||
|
||||
|
||||
parts = urlparse(self.path)
|
||||
path = parts.path.strip('/')
|
||||
if path == "":
|
||||
path = "index.htm"
|
||||
|
||||
file = os.path.join("./UI/", path)
|
||||
mime = mimetypes.MimeTypes().guess_type(file)[0]
|
||||
|
||||
self.send_response(200)
|
||||
# self.send_header("Access-Control-Allow-Origin", "*")
|
||||
self.send_header("Content-Type", mime)
|
||||
self.end_headers()
|
||||
|
||||
with open(file, "rb") as f:
|
||||
self.wfile.write(f.read())
|
||||
|
||||
class serverThreadedHandler(ThreadingMixIn, HTTPServer):
|
||||
"""Handle requests in a separate thread."""
|
||||
|
||||
def run():
|
||||
print('Starting Server...')
|
||||
server_address = ('', 8080)
|
||||
httpd = serverThreadedHandler(server_address, serverHandler)
|
||||
print('Running Server...')
|
||||
|
||||
# os.startfile('UI\\index.htm', 'open')
|
||||
print("Open http://localhost:8080/ to view the application.")
|
||||
|
||||
httpd.serve_forever()
|
||||
|
||||
run()
|
||||
174
src/utils.py
Normal file
174
src/utils.py
Normal file
@ -0,0 +1,174 @@
|
||||
#!/usr/bin/env python
|
||||
|
||||
from urllib.parse import urlparse
|
||||
from urllib.parse import parse_qs
|
||||
from urllib.parse import parse_qsl
|
||||
import urllib.request
|
||||
import cgi
|
||||
import uuid
|
||||
import random
|
||||
import string
|
||||
from cgi import parse_header, parse_multipart
|
||||
import argparse
|
||||
import uuid
|
||||
import random
|
||||
import time
|
||||
import json
|
||||
import shutil
|
||||
import ssl
|
||||
import glob
|
||||
import os
|
||||
import base64
|
||||
import math
|
||||
|
||||
from PIL import Image
|
||||
|
||||
class Utils:
|
||||
|
||||
@staticmethod
|
||||
def randomString():
|
||||
return uuid.uuid4().hex.upper()[0:6]
|
||||
|
||||
def getChildTiles(x, y, z):
|
||||
childX = x * 2
|
||||
childY = y * 2
|
||||
childZ = z + 1
|
||||
|
||||
return [
|
||||
(childX, childY, childZ),
|
||||
(childX+1, childY, childZ),
|
||||
(childX+1, childY+1, childZ),
|
||||
(childX, childY+1, childZ),
|
||||
]
|
||||
|
||||
def makeQuadKey(tile_x, tile_y, level):
|
||||
quadkey = ""
|
||||
for i in range(level):
|
||||
bit = level - i
|
||||
digit = ord('0')
|
||||
mask = 1 << (bit - 1) # if (bit - 1) > 0 else 1 >> (bit - 1)
|
||||
if (tile_x & mask) is not 0:
|
||||
digit += 1
|
||||
if (tile_y & mask) is not 0:
|
||||
digit += 2
|
||||
quadkey += chr(digit)
|
||||
return quadkey
|
||||
|
||||
@staticmethod
|
||||
def num2deg(xtile, ytile, zoom):
|
||||
n = 2.0 ** zoom
|
||||
lon_deg = xtile / n * 360.0 - 180.0
|
||||
lat_rad = math.atan(math.sinh(math.pi * (1 - 2 * ytile / n)))
|
||||
lat_deg = math.degrees(lat_rad)
|
||||
return (lat_deg, lon_deg)
|
||||
|
||||
@staticmethod
|
||||
def qualifyURL(url, x, y, z):
|
||||
|
||||
scale22 = 23 - (z * 2)
|
||||
|
||||
replaceMap = {
|
||||
"x": str(x),
|
||||
"y": str(y),
|
||||
"z": str(z),
|
||||
"scale:22": str(scale22),
|
||||
"quad": Utils.makeQuadKey(x, y, z),
|
||||
}
|
||||
|
||||
for key, value in replaceMap.items():
|
||||
newKey = str("{" + str(key) + "}")
|
||||
url = url.replace(newKey, value)
|
||||
|
||||
return url
|
||||
|
||||
@staticmethod
|
||||
def mergeQuadTile(quadTiles):
|
||||
|
||||
width = 0
|
||||
height = 0
|
||||
|
||||
for tile in quadTiles:
|
||||
if(tile is not None):
|
||||
width = quadTiles[0].size[0] * 2
|
||||
height = quadTiles[1].size[1] * 2
|
||||
break
|
||||
|
||||
if width == 0 or height == 0:
|
||||
return None
|
||||
|
||||
canvas = Image.new('RGB', (width, height))
|
||||
|
||||
if quadTiles[0] is not None:
|
||||
canvas.paste(quadTiles[0], box=(0,0))
|
||||
|
||||
if quadTiles[1] is not None:
|
||||
canvas.paste(quadTiles[1], box=(width - quadTiles[1].size[0], 0))
|
||||
|
||||
if quadTiles[2] is not None:
|
||||
canvas.paste(quadTiles[2], box=(width - quadTiles[2].size[0], height - quadTiles[2].size[1]))
|
||||
|
||||
if quadTiles[3] is not None:
|
||||
canvas.paste(quadTiles[3], box=(0, height - quadTiles[3].size[1]))
|
||||
|
||||
return canvas
|
||||
|
||||
@staticmethod
|
||||
def downloadFile(url, destination, x, y, z):
|
||||
|
||||
url = Utils.qualifyURL(url, x, y, z)
|
||||
|
||||
code = 0
|
||||
|
||||
# monkey patching SSL certificate issue
|
||||
# DONT use it in a prod/sensitive environment
|
||||
ssl._create_default_https_context = ssl._create_unverified_context
|
||||
|
||||
try:
|
||||
path, response = urllib.request.urlretrieve(url, destination)
|
||||
code = 200
|
||||
except urllib.error.URLError as e:
|
||||
if not hasattr(e, "code"):
|
||||
print(e)
|
||||
code = -1
|
||||
else:
|
||||
code = e.code
|
||||
|
||||
return code
|
||||
|
||||
|
||||
@staticmethod
|
||||
def downloadFileScaled(url, destination, x, y, z, outputScale):
|
||||
|
||||
if outputScale == 1:
|
||||
return Utils.downloadFile(url, destination, x, y, z)
|
||||
|
||||
elif outputScale == 2:
|
||||
|
||||
childTiles = Utils.getChildTiles(x, y, z)
|
||||
childImages = []
|
||||
|
||||
for childX, childY, childZ in childTiles:
|
||||
|
||||
tempFile = Utils.randomString() + ".png"
|
||||
tempFilePath = os.path.join("temp", tempFile)
|
||||
|
||||
code = Utils.downloadFile(url, tempFilePath, childX, childY, childZ)
|
||||
|
||||
if code == 200:
|
||||
image = Image.open(tempFilePath)
|
||||
else:
|
||||
return code
|
||||
|
||||
childImages.append(image)
|
||||
|
||||
canvas = Utils.mergeQuadTile(childImages)
|
||||
canvas.save(destination, "PNG")
|
||||
|
||||
return 200
|
||||
|
||||
#TODO implement custom scale
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user