本文整理汇总了Python中UM.Math.Polygon.Polygon.unionConvexHulls方法的典型用法代码示例。如果您正苦于以下问题：Python Polygon.unionConvexHulls方法的具体用法？Python Polygon.unionConvexHulls怎么用？Python Polygon.unionConvexHulls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UM.Math.Polygon.Polygon的用法示例。
在下文中一共展示了Polygon.unionConvexHulls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: fromNode
# 需要导入模块: from UM.Math.Polygon import Polygon [as 别名]
# 或者: from UM.Math.Polygon.Polygon import unionConvexHulls [as 别名]
def fromNode(cls, node, min_offset, scale = 0.5, include_children = False):
transform = node._transformation
transform_x = transform._data[0][3]
transform_y = transform._data[2][3]
hull_verts = node.callDecoration("getConvexHull")
# If a model is too small then it will not contain any points
if hull_verts is None or not hull_verts.getPoints().any():
return None, None
# For one_at_a_time printing you need the convex hull head.
hull_head_verts = node.callDecoration("getConvexHullHead") or hull_verts
if hull_head_verts is None:
hull_head_verts = Polygon()
# If the child-nodes are included, adjust convex hulls as well:
if include_children:
children = node.getAllChildren()
if not children is None:
for child in children:
# 'Inefficient' combination of convex hulls through known code rather than mess it up:
child_hull = child.callDecoration("getConvexHull")
if not child_hull is None:
hull_verts = hull_verts.unionConvexHulls(child_hull)
child_hull_head = child.callDecoration("getConvexHullHead") or child_hull
if not child_hull_head is None:
hull_head_verts = hull_head_verts.unionConvexHulls(child_hull_head)
offset_verts = hull_head_verts.getMinkowskiHull(Polygon.approximatedCircle(min_offset))
offset_points = copy.deepcopy(offset_verts._points) # x, y
offset_points[:, 0] = numpy.add(offset_points[:, 0], -transform_x)
offset_points[:, 1] = numpy.add(offset_points[:, 1], -transform_y)
offset_shape_arr = ShapeArray.fromPolygon(offset_points, scale = scale)
hull_points = copy.deepcopy(hull_verts._points)
hull_points[:, 0] = numpy.add(hull_points[:, 0], -transform_x)
hull_points[:, 1] = numpy.add(hull_points[:, 1], -transform_y)
hull_shape_arr = ShapeArray.fromPolygon(hull_points, scale = scale) # x, y
return offset_shape_arr, hull_shape_arr