caperren/osurc_mars_rover_2017_2018
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Fixed to fit PEP

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This commit is contained in:
Chris Pham
2018-01-20 13:57:11 -08:00
parent 3565e7b57f
commit e955442131
1 changed files with 13 additions and 12 deletions
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25
ground_station/resources/core/mapping.py
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@@ -31,20 +31,22 @@ import PIL.Image
#####################################
# Constants
#####################################
_KEYS = []
file_pointer = open('key', 'w')
_KEY = file_pointer.read().rstrip()
for i in file_pointer:
_KEYS.append(file_pointer.readline().rstrip())
file_pointer.close()
# Number of pixels in half the earth's circumference at zoom = 21
_EARTHPIX = 268435456
# Number of decimal places for rounding coordinates
_DEGREE_PRECISION = 4
_DEGREE_PRECISION = 4
# Larget tile we can grab without paying
_TILESIZE = 640
# Fastest rate at which we can download tiles without paying
_GRABRATE = 4
# Pixel Radius of Earth for calculations
_pixrad = _EARTHPIX / math.pi
_PIXRAD = _EARTHPIX / math.pi
class GMapsStitcher(object):
@@ -80,7 +82,7 @@ class GMapsStitcher(object):
urlbase += 'center=%f%f&zoom=%d&maptype=%s&size=%dx%d&format=jpg&key=%s'
# Fill the formatting
specs = latitude, longitude, self.zoom, self.maptype, _TILESIZE, _KEY
specs = latitude, longitude, self.zoom, self.maptype, _TILESIZE, _KEYS[0]
filename = 'Resources/Maps/' + ('%f_%f_%d_%s_%d_%d_%s' % specs) + '.jpg'
# Tile Image object
@@ -107,12 +109,12 @@ class GMapsStitcher(object):
def _pixels_to_lon(self, iterator, lon_pixels):
# Magic Lines, no idea
degrees = self._pixels_to_degrees(((iterator) - self.num_tiles / 2) * _TILESIZE, self.zoom)
return math.degrees((lon_pixels + degrees - _EARTHPIX) / _pixrad)
return math.degrees((lon_pixels + degrees - _EARTHPIX) / _PIXRAD)
def _pixels_to_lat(self, iterator, lat_pixels):
# Magic Lines
degree = self._pixels_to_degrees((iterator - self.num_tiles / 2) * _TILESIZE, self.zoom)
temp = math.atan(math.exp(((lat_pixels + degree) - _EARTHPIX))/ _pixrad)
temp = math.atan(math.exp(((lat_pixels + degree) - _EARTHPIX))/ _PIXRAD)
return math.degrees(math.pi / 2 - 2 * temp)
def fetch_tiles(self,):
@@ -124,20 +126,19 @@ class GMapsStitcher(object):
if self.radius_meters is not None:
self.num_tiles = int(round(2*self._pixels_to_meters / (_TILESIZE / 2. / self.radius_meters)))
lon_pixels = _EARTHPIX + self.longitude * math.radians(_pixrad)
lon_pixels = _EARTHPIX + self.longitude * math.radians(_PIXRAD)
sin_lat = math.sin(math.radians(self.latitude))
lat_pixels = _EARTHPIX - _pixrad * math.log((1+sin_lat)/(1-sin_lat))/2
lat_pixels = _EARTHPIX - _PIXRAD * math.log((1+sin_lat)/(1-sin_lat))/2
big_size = self.num_tiles * _TILESIZE
big_image = self._new_image(big_size, big_size)
for j in range(self.num_tiles):
lon = self._pixels_to_lon(j,lon_pixels)
lon = self._pixels_to_lon(j, lon_pixels)
for k in range(self.num_tiles):
lat = self._pixels_to_lat(k, lat_pixels)
tile = self._grab_tile(lon, lat)
big_image.paste(tile, (j * _TILESIZE, k * _TILESIZE))
big_image.save("buttholes.jpg")
big_image.save("testimage.jpg")