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A python function which takes compass azimuth in degrees and returns the bearing N/E/S/W.
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| def convert_az_to_bearing(a): | |
| """Takes the azimuth, which should be 0-360 degrees, and returns a string N/E/S/W. | |
| North is 0 degrees.""" | |
| if a > 360 or a < 0 or not a: | |
| return "" | |
| elif a >= 348.75 or a < 11.25: | |
| return "N" | |
| elif a >= 11.25 and a < 33.75: | |
| return "NNE" | |
| elif a >=33.75 and a < 56.25: | |
| return "NE" | |
| elif a >= 56.25 and a < 78.75: | |
| return "ENE" | |
| elif a >= 78.75 and a < 101.25: | |
| return "E" | |
| elif a >= 101.25 and a < 123.75: | |
| return "ESE" | |
| elif a >= 123.75 and a < 146.25: | |
| return "SE" | |
| elif a >= 146.25 and a < 168.75: | |
| return "SSE" | |
| elif a >= 168.75 and a < 191.25: | |
| return "S" | |
| elif a >= 191.25 and a < 213.75: | |
| return "SSW" | |
| elif a >= 213.75 and a < 236.25: | |
| return "SW" | |
| elif a >= 236.25 and a < 258.75: | |
| return "WSW" | |
| elif a >= 258.75 and a < 281.25: | |
| return "W" | |
| elif a >= 281.25 and a < 303.75: | |
| return "WNW" | |
| elif a >= 303.75 and a < 326.25: | |
| return "NW" | |
| elif a >= 326.25 and a < 348.75: | |
| return "NNW" | |
| else: | |
| return "" |
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This fails on due north (azimuth 0) because of the "not a" clause on line 5