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| 1 | +# -*- coding: utf-8 -*- |
1 | 2 | """ |
2 | 3 | """ |
3 | 4 |
|
4 | 5 | from numpy import pi |
5 | 6 |
|
6 | 7 | from quantities.units.unitquantity import UnitAngle, UnitQuantity, dimensionless |
7 | 8 |
|
8 | | -radian = radians = \ |
9 | | - UnitAngle('radian', 1*dimensionless) |
10 | | -turn = turns = circle = circles = \ |
11 | | - UnitAngle('turn', 2*pi*radian) |
12 | | -arcdeg = arcdegs = degree = degrees = angular_degree = angular_degrees = \ |
13 | | - UnitAngle('arcdeg', pi/180*radian) |
14 | | -arcmin = arcmins = arcminute = arcminutes = angular_minute = \ |
15 | | - angular_minutes = \ |
16 | | - UnitAngle('arcmin', arcdeg/60) |
17 | | -arcsec = arcsecs = arcseconds = arcseconds = angular_second = \ |
18 | | - angular_seconds = \ |
19 | | - UnitAngle('arcsec', arcmin/60) |
20 | | -grade = grades = \ |
21 | | - UnitAngle('grade', 0.9*arcdeg) |
| 9 | +radian = radians = UnitAngle( |
| 10 | + 'radian', |
| 11 | + 1*dimensionless, |
| 12 | + symbol='rad', |
| 13 | + aliases=['radians'] |
| 14 | +) |
| 15 | +turn = revolution = cycle = turns = circle = circles = UnitAngle( |
| 16 | + 'turn', |
| 17 | + 2*pi*radian, |
| 18 | + aliases=['turns', 'revolutions', 'circles', 'cycles'] |
| 19 | +) |
| 20 | +degree = arcdeg = arcdegree = angular_degree = UnitAngle( |
| 21 | + 'arcdegree', |
| 22 | + pi/180*radian, |
| 23 | + symbol='°', |
| 24 | + aliases=[ |
| 25 | + 'degree', 'degrees', 'arc_degree', 'arc_degrees', 'angular_degree', |
| 26 | + 'angular_degrees', 'arcdegrees' |
| 27 | + ] |
| 28 | +) |
| 29 | +arcminute = arcmin = arc_minute = angular_minute = UnitAngle( |
| 30 | + 'arcminute', |
| 31 | + arcdeg/60, |
| 32 | + symbol='′', |
| 33 | + aliases=[ |
| 34 | + 'arcmin', 'arcmins', 'arcminutes', 'arc_minute', 'arc_minutes', |
| 35 | + 'angular_minute', 'angular_minutes' |
| 36 | + ] |
| 37 | +) |
| 38 | +arcsecond = arcsec = arc_second = angular_second = UnitAngle( |
| 39 | + 'arcsec', |
| 40 | + arcmin/60, |
| 41 | + symbol='″', |
| 42 | + aliases=[ |
| 43 | + 'arcsec', 'arcsecs', 'arcseconds', 'arc_second', 'arc_second', |
| 44 | + 'angular_second', 'angular_seconds' |
| 45 | + ] |
| 46 | +) |
| 47 | +grad = grade = UnitAngle( |
| 48 | + 'grad', |
| 49 | + 0.9*arcdeg, |
| 50 | + aliases=['grads', 'grade', 'grades', 'gron', 'grons', 'gradian', 'gradians'] |
| 51 | +) |
22 | 52 |
|
23 | | -degree_north = degrees_north = degree_N = degrees_N = \ |
24 | | - UnitAngle('degrees_N', arcdeg) |
25 | | -degree_east = degrees_east = degree_E= degrees_E = \ |
26 | | - UnitAngle('degrees_E', arcdeg) |
27 | | -degree_west = degrees_west = degree_W= degrees_W = \ |
28 | | - UnitAngle('degrees_W', arcdeg) |
29 | | -degree_true = degrees_true = degree_T = degrees_T = \ |
30 | | - UnitAngle('degrees_T', arcdeg) |
| 53 | +degrees_north = degrees_N = UnitAngle( |
| 54 | + 'degrees_north', |
| 55 | + arcdeg, |
| 56 | + symbol='°N', |
| 57 | + aliases=['degrees_N'] |
| 58 | +) |
| 59 | +degrees_east = degrees_E = UnitAngle( |
| 60 | + 'degrees_east', |
| 61 | + arcdeg, |
| 62 | + symbol='°E', |
| 63 | + aliases=['degrees_E'] |
| 64 | +) |
| 65 | +degrees_west = degrees_W = UnitAngle( |
| 66 | + 'degrees_west', |
| 67 | + arcdeg, |
| 68 | + symbol='°W', |
| 69 | + aliases=['degrees_W'] |
| 70 | +) |
| 71 | +degrees_true = degrees_T = UnitAngle( |
| 72 | + 'degrees_true', |
| 73 | + arcdeg, |
| 74 | + symbol='°T', |
| 75 | + aliases=['degrees_T'] |
| 76 | +) |
31 | 77 |
|
32 | | -sr = steradian = steradians = \ |
33 | | - UnitQuantity('sr', radian**2) |
| 78 | +sr = steradian = UnitQuantity( |
| 79 | + 'steradian', |
| 80 | + radian**2, |
| 81 | + symbol='sr', |
| 82 | + aliases=['steradians'] |
| 83 | +) |
34 | 84 |
|
35 | 85 | del UnitQuantity |
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