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Add Constants

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Chris Pham
2018-01-18 10:47:56 -08:00
parent 47942ffd1d
commit c8c8f857cd
1 changed files with 17 additions and 1 deletions
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16
ground_station/resources/core/mapping.py
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@@ -8,3 +8,19 @@ import PIL.Image
from io import StringIO, BytesIO from io import StringIO, BytesIO
import os import os
import time import time
#####################################
# Constants
#####################################
_KEY =
# Number of pixels in half the earth's circumference at zoom = 21
_EARTHPIX = 268435456
# Number of decimal places for rounding coordinates
_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