Added code for map creation and camera control

scripts/python/generateMaps/take_screenshots.py

@@ -0,0 +1,75 @@
+import math
+import requests
+import json
+import pyautogui
+import time
+import os
+
+# parameters
+start_lat = 36.31669444         # degs
+start_lng = -115.38336111       # degs
+
+end_lat = 35.93336111          	# degs
+end_lng = -114.95002778        	# degs
+
+fov = 10                        # deg
+zoom = 16    
+
+# constants
+C = 40075016.686                # meters
+                              
+def deg_to_num(lat_deg, lon_deg, zoom):
+	lat_rad = math.radians(lat_deg)
+	n = 1 << zoom
+	xtile = int((lon_deg + 180.0) / 360.0 * n)
+	ytile = int((1.0 - math.asinh(math.tan(lat_rad)) / math.pi) / 2.0 * n)
+	return xtile, ytile
+
+def num_to_deg(xtile, ytile, zoom):
+  n = 1 << 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
+
+def camera_altitude(lat_deg):
+	mpp = C * math.cos(math.radians(lat_deg)) / math.pow(2, zoom + 8)
+	d = mpp * 1920
+	alt = d / 2 * 1 / math.tan(math.radians(fov) / 2)
+	return alt
+
+# Find the starting and ending points
+start_X, start_Y = deg_to_num(start_lat, start_lng, zoom)
+end_X, end_Y = deg_to_num(end_lat, end_lng, zoom)
+
+time.sleep(2)
+
+# Create output folder
+if not os.path.exists("output"):
+	os.mkdir("output")
+
+# Start looping
+n = 1
+total = math.floor((end_X - start_X) / 2) * math.floor((end_Y - start_Y) / 2)
+for X in range(start_X, end_X, 2):
+	for Y in range(start_Y, end_Y, 2):
+		# Find the center of the screen
+		center_lat, center_lng = num_to_deg(X + 1, Y + 1, zoom)
+		center_alt = camera_altitude(center_lat)
+
+		# Making PUT request
+		data = json.dumps({'lat': center_lat, 'lng': center_lng, 'alt': center_alt})
+		r = requests.put('http://localhost:8080', data = data)
+
+		# Take and save screenshot
+		screenshot = pyautogui.screenshot()
+		screenshot.save(f"output/{X + 1}_{Y + 1}_{zoom}.png")
+
+		time.sleep(0.5)
+
+		print(f"Shot {n} of {total}")
+		n = n + 1
+
+
+
+