caperren/osurc_mars_rover_2017_2018
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Fixed to fit PEP

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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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19
ground_station/resources/core/mapping.py
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@@ -31,8 +31,10 @@ import PIL.Image
##################################### #####################################
# Constants # Constants
##################################### #####################################
_KEYS = []
file_pointer = open('key', 'w') file_pointer = open('key', 'w')
_KEY = file_pointer.read().rstrip() for i in file_pointer:
_KEYS.append(file_pointer.readline().rstrip())
file_pointer.close() file_pointer.close()
# Number of pixels in half the earth's circumference at zoom = 21 # Number of pixels in half the earth's circumference at zoom = 21
@@ -44,7 +46,7 @@ _TILESIZE = 640
# Fastest rate at which we can download tiles without paying # Fastest rate at which we can download tiles without paying
_GRABRATE = 4 _GRABRATE = 4
# Pixel Radius of Earth for calculations # Pixel Radius of Earth for calculations
_pixrad = _EARTHPIX / math.pi _PIXRAD = _EARTHPIX / math.pi
class GMapsStitcher(object): 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' urlbase += 'center=%f%f&zoom=%d&maptype=%s&size=%dx%d&format=jpg&key=%s'
# Fill the formatting # 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' filename = 'Resources/Maps/' + ('%f_%f_%d_%s_%d_%d_%s' % specs) + '.jpg'
# Tile Image object # Tile Image object
@@ -107,12 +109,12 @@ class GMapsStitcher(object):
def _pixels_to_lon(self, iterator, lon_pixels): def _pixels_to_lon(self, iterator, lon_pixels):
# Magic Lines, no idea # Magic Lines, no idea
degrees = self._pixels_to_degrees(((iterator) - self.num_tiles / 2) * _TILESIZE, self.zoom) 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): def _pixels_to_lat(self, iterator, lat_pixels):
# Magic Lines # Magic Lines
degree = self._pixels_to_degrees((iterator - self.num_tiles / 2) * _TILESIZE, self.zoom) 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) return math.degrees(math.pi / 2 - 2 * temp)
def fetch_tiles(self,): def fetch_tiles(self,):
@@ -124,10 +126,10 @@ class GMapsStitcher(object):
if self.radius_meters is not None: if self.radius_meters is not None:
self.num_tiles = int(round(2*self._pixels_to_meters / (_TILESIZE / 2. / self.radius_meters))) 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)) 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_size = self.num_tiles * _TILESIZE
big_image = self._new_image(big_size, big_size) big_image = self._new_image(big_size, big_size)
@@ -139,5 +141,4 @@ class GMapsStitcher(object):
tile = self._grab_tile(lon, lat) tile = self._grab_tile(lon, lat)
big_image.paste(tile, (j * _TILESIZE, k * _TILESIZE)) big_image.paste(tile, (j * _TILESIZE, k * _TILESIZE))
big_image.save("buttholes.jpg") big_image.save("testimage.jpg")