本文整理汇总了Python中lib.GeoMath.angleBetweenPointsByVec方法的典型用法代码示例。如果您正苦于以下问题:Python GeoMath.angleBetweenPointsByVec方法的具体用法?Python GeoMath.angleBetweenPointsByVec怎么用?Python GeoMath.angleBetweenPointsByVec使用的例子?那么恭喜您, 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lib.GeoMath
的用法示例。
在下文中一共展示了GeoMath.angleBetweenPointsByVec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: calculatePoints
# 需要导入模块: from lib import GeoMath [as 别名]
# 或者: from lib.GeoMath import angleBetweenPointsByVec [as 别名]
def calculatePoints(self):
# Filter the points, first we get the undermost points, and then,
# The point which less angle from z+ vector by y+ vector has.
global epsilon
vertices = [list(p.point().position()) for p in self.prim.vertices()]
lessy = vertices[0][1]
mayPoints = []
for point in vertices:
if((point[1] - epsilon) < lessy):
mayPoints.append(point)
if(point[1] < (lessy - epsilon)):
lessy = point[1]
mayPoints = [point]
# We construct vectors from points to determine which is leftmost, so we delete 'y' component
minAngle = 2 * math.pi + epsilon
for point in mayPoints:
vec = GeoMath.vecNormalize([point[0], 0, point[2]])
angle = GeoMath.angleBetweenPointsByVec([0, 0, 1], vec, [0, 1, 0])
if(angle < minAngle):
minAngle = angle
minPoint = point
index = vertices.index(minPoint)
previousPoint = vertices[index - 1]
pointWhichIsRelative = minPoint
nextPoint = vertices[(index + 1) % len(vertices)]
self.set_previous_point(previousPoint)
self.set_point_which_is_relative(pointWhichIsRelative)
self.set_next_point(nextPoint)