本文整理汇总了Python中Polygon.Polygon.orderPoints方法的典型用法代码示例。如果您正苦于以下问题：Python Polygon.orderPoints方法的具体用法？Python Polygon.orderPoints怎么用？Python Polygon.orderPoints使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Polygon.Polygon的用法示例。
在下文中一共展示了Polygon.orderPoints方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: RandPolygon
# 需要导入模块: from Polygon import Polygon [as 别名]
# 或者: from Polygon.Polygon import orderPoints [as 别名]
class RandPolygon(object):
def __init__(self,minDist=100,maxDist=1000,minPoints=3,maxPoints=1000,startY=33.230073,startX=-97.143826):
self.minDist = minDist
self.maxDist = maxDist
self.minPoints = minPoints
self.maxPoints = maxPoints
self.randPoints = random.randrange(self.minPoints,self.maxPoints)
self.startX = startX
self.startY = startY
self.currIteration = 0.0
self.maxIteration = self.maxPoints
self.polygon = Polygon()
self.points = []
self.generatePolygon()
def destination(self,x,y,angle, distance):
"""
Displace a LatLng angle degrees counterclockwise and some
meters in that direction.
Notes:
http://www.movable-type.co.uk/scripts/latlong.html
0 DEGREES IS THE VERTICAL Y AXIS! IMPORTANT!
Args:
angle: A number in degrees.
distance: A number in meters.
Returns:
A new LatLng.
"""
angle = np.float32(angle)
delta = np.divide(np.float32(distance), np.float32(3959))
angle = self.deg2rad(angle)
y1 = self.deg2rad(y)
x1 = self.deg2rad(x)
y2 = np.arcsin( np.sin(y1) * np.cos(delta) +
np.cos(y1) * np.sin(delta) * np.cos(angle) )
x2 = x1 + np.arctan2( np.sin(angle) * np.sin(delta) * np.cos(y1),
np.cos(delta) - np.sin(y1) * np.sin(y2))
x2 = (x2 + 3 * np.pi) % (2 * np.pi) - np.pi
return [self.rad2deg(x2),self.rad2deg(y2)]
def deg2rad(self,angle):
return np.divide(np.dot(angle, np.pi), np.float32(180.0))
def rad2deg(self,angle):
return np.divide(np.dot(angle, np.float32(180.0)), np.pi)
def generatePolygon(self):
pts = []
n = self.randPoints
for i in range(n):
angle = self.randAngle(i,n,"Degrees")
distance = random.randrange(self.minDist,self.maxDist)
#print angle,distance
xy = self.destination(self.startX,self.startY,self.rad2deg(angle),distance)
pts.append((xy[0],xy[1]))
#print xy[1],",",xy[0],":",self.getPointAngle(xy[0],xy[1])
self.polygon.set_points(pts,(self.startX,self.startY))
self.polygon.orderPoints()
pts = self.polygon.get_points()
for p in pts:
print p[1],",",p[0],":"
def randDistance(self):
random.randrange(self.minDist,self.maxDist)
"""
@private
@method - randAngle: Generates a random angle between the ith and ith + 1 iteration.
Meaning that if this function was called 4 times, it would successively
return angles: 0-90,90-180,180-270,270-360
@param {int} i : Current iteration count (or starting angle)
@param {int} n : Max iterations (or ending angle)
@param {string} : Radians or Degrees
@returns list[]: list of items in node
"""
def randAngle(self,i,n,Units="Radians"):
i = float(i)
n = float(n)
value = (2.0 * math.pi) * random.uniform((i)/n , (i+1)/n)
if Units == "Radians":
return value
else:
return math.degrees(value)