Geospatial-Python · albab · Apr 23, 2016
diff --git a/.DS_Store b/.DS_Store
diff --git a/exit.png b/exit.png
diff --git a/index.html b/index.html
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+
+        <!DOCTYPE html>
+        <head>
+
+
+            <meta http-equiv="content-type" content="text/html; charset=UTF-8" />
+
+
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+            <script src="https://cdnjs.cloudflare.com/ajax/libs/leaflet/0.7.3/leaflet.js"></script>
+
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+            <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
+
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+            <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/js/bootstrap.min.js"></script>
+
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+
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+            <script src="https://cdnjs.cloudflare.com/ajax/libs/Leaflet.awesome-markers/2.0.2/leaflet.awesome-markers.min.js"></script>
+
+
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+            <script src="https://cdnjs.cloudflare.com/ajax/libs/leaflet.markercluster/0.4.0/leaflet.markercluster-src.js"></script>
+
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+            <script src="https://cdnjs.cloudflare.com/ajax/libs/leaflet.markercluster/0.4.0/leaflet.markercluster.js"></script>
+
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+            <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/leaflet/0.7.3/leaflet.css" />
+
+
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+
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+            <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css" />
+
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+            <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap-theme.min.css" />
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+            <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.1.0/css/font-awesome.min.css" />
+
+
+
+
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+            <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/Leaflet.awesome-markers/2.0.2/leaflet.awesome-markers.css" />
+
+
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+
+
+            <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/leaflet.markercluster/0.4.0/MarkerCluster.Default.css" />
+
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+            <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/leaflet.markercluster/0.4.0/MarkerCluster.css" />
+
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+            <link rel="stylesheet" href="https://raw.githubusercontent.com/python-visualization/folium/master/folium/templates/leaflet.awesome.rotate.css" />
+
+
+
+
+            <style>
+
+            html, body {
+                width: 100%;
+                height: 100%;
+                margin: 0;
+                padding: 0;
+                }
+
+            #map {
+                position:absolute;
+                top:0;
+                bottom:0;
+                right:0;
+                left:0;
+                }
+            </style>
+
+
+
+            <style> #map_d679cdfe31684aa7a59e819ed92f5011 {
+                position : relative;
+                width : 100.0%;
+                height: 100.0%;
+                left: 0.0%;
+                top: 0.0%;
+                }
+            </style>
+
+
+
+        </head>
+        <body>
+
+
+
+            <div class="folium-map" id="map_d679cdfe31684aa7a59e819ed92f5011" ></div>
+
+
+
+        </body>
+        <script>
+
+
+
+
+            var southWest = L.latLng(-90, -180);
+            var northEast = L.latLng(90, 180);
+            var bounds = L.latLngBounds(southWest, northEast);
+
+            var map_d679cdfe31684aa7a59e819ed92f5011 = L.map('map_d679cdfe31684aa7a59e819ed92f5011', {
+                                           center:[33.4484,-112.074],
+                                           zoom: 10,
+                                           maxBounds: bounds,
+                                           layers: [],
+                                           crs: L.CRS.EPSG3857
+                                         });
+
+
+
+
+            var tile_layer_208be8042bd44a41a836f7f736aa0569 = L.tileLayer(
+                'https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png',
+                {
+                    maxZoom: 18,
+                    minZoom: 1,
+                    attribution: 'Data by <a href="http://openstreetmap.org">OpenStreetMap</a>, under <a href="http://www.openstreetmap.org/copyright">ODbL</a>.',
+                    detectRetina: false
+                    }
+                ).addTo(map_d679cdfe31684aa7a59e819ed92f5011);
+
+
+
+
+        </script>
+
diff --git a/io_geojson.py b/io_geojson.py
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+import json
+# from urllib.request import urlopen
+
+def read_tweets(input_file):
+  with open(input_file, 'r') as f:
+    tweets = json.load(f)
+  return tweets
+
+def read_geojson(input_file):
+  """
+  Read a geojson file
+
+  Parameters
+  ----------
+  input_file : str
+               The PATH to the data to be read
+
+  Returns
+  -------
+  gj : dict
+       An in memory version of the geojson
+  """
+  gj = None
+
+  with open(input_file, 'r') as f:
+    gj = json.load(f)
+
+  return gj
diff --git a/open.png b/open.png
diff --git a/screenshot.png b/screenshot.png
diff --git a/tweet.py b/tweet.py
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+import random
+import utils
+
+class Tweet(object):
+
+	def __init__(self, tweet):
+
+		self.tweet_id = tweet['id']
+		self.date = tweet['created_at']
+		self.tweet = tweet['text']
+		self.username = tweet['user']['name']
+		self.user_description = tweet['user']['description']
+		self.followers_count = tweet['user']['followers_count']
+		self.bounds = tweet['place']['bounding_box']['coordinates'][0]
+
+	def find_lat(self, n):
+		return self.bounds[n][1]
+
+	def find_lng(self, n):
+		return self.bounds[n][0]
+
+	def bounds(self):
+		lat = random.uniform(self.find_lat(0), self.find_lat(1))
+		lng = random.uniform(self.find_lng(0), self.find_lng(1))
+		return lat, lng
diff --git a/utils.py b/utils.py
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+import math
+import random
+
+def manhattan_distance(a, b):
+  """
+  Compute the Manhattan distance between two points
+
+  Parameters
+  ----------
+  a : tuple
+      A point in the form (x,y)
+
+  b : tuple
+      A point in the form (x,y)
+
+  Returns
+  -------
+  distance : float
+             The Manhattan distance between the two points
+  """
+  distance =  abs(a[0] - b[0]) + abs(a[1] - b[1])
+  return distance
+
+
+
+def euclidean_distance(a, b):
+  """
+  Compute the Euclidean distance between two points
+
+  Parameters
+  ----------
+  a : tuple
+      A point in the form (x,y)
+
+  b : tuple
+      A point in the form (x,y)
+
+  Returns
+  -------
+
+  distance : float
+             The Euclidean distance between the two points
+  """
+  distance = math.sqrt((a[0] - b[0])**2 + (a[1] - b[1])**2)
+  return distance
+
+
+def shift_point(point, x_shift, y_shift):
+  """
+  Shift a point by some amount in the x and y directions
+
+  Parameters
+  ----------
+  point : tuple
+          in the form (x,y)
+
+  x_shift : int or float
+            distance to shift in the x direction
+
+  y_shift : int or float
+            distance to shift in the y direction
+
+  Returns
+  -------
+  new_x : int or float
+          shited x coordinate
+
+  new_y : int or float
+          shifted y coordinate
+
+  Note that the new_x new_y elements are returned as a tuple
+
+  Example
+  -------
+  >>> point = (0,0)
+  >>> shift_point(point, 1, 2)
+  (1,2)
+  """
+  x = getx(point)
+  y = gety(point)
+
+  x += x_shift
+  y += y_shift
+
+  return x, y
+
+
+def check_coincident(a, b):
+  """
+  Check whether two points are coincident
+  Parameters
+  ----------
+  a : tuple
+      A point in the form (x,y)
+
+  b : tuple
+      A point in the form (x,y)
+
+  Returns
+  -------
+  equal : bool
+          Whether the points are equal
+  """
+  return a == b
+
+
+def check_in(point, point_list):
+  """
+  Check whether point is in the point list
+
+  Parameters
+  ----------
+  point : tuple
+          In the form (x,y)
+
+  point_list : list
+               in the form [point, point_1, point_2, ..., point_n]
+  """
+  return point in point_list
+
+
+def getx(point):
+  """
+  A simple method to return the x coordinate of
+   an tuple in the form(x,y).  We will look at
+   sequences in a coming lesson.
+
+  Parameters
+  ----------
+  point : tuple
+          in the form (x,y)
+
+  Returns
+  -------
+   : int or float
+     x coordinate
+  """
+
+  return point.x
+
+
+def gety(point):
+  """
+  A simple method to return the x coordinate of
+   an tuple in the form(x,y).  We will look at
+   sequences in a coming lesson.
+
+  Parameters
+  ----------
+  point : tuple
+          in the form (x,y)
+
+  Returns
+  -------
+   : int or float
+     y coordinate
+  """
+
+  return point.y