point_1 = [[50, 50], [20, 55], [10, 35], [20, 10], [40, 10], [55, 25]]
point_2 = [[30, 30], [40, 30], [30, 40]]
# 多边形顶点数
POINTNUM_1 = len(point_1)
POINTNUM_2 = len(point_2)
POINTNUM = POINTNUM_1 + POINTNUM_2
# 偏置距离
d = 4
# 扫描线间隔距离
path_width = 6 * 10
# 多边形顺时针旋转
b = max(point_1[1]) # 绕(b,b)旋转,b为y轴最大值
point_offset = Pol.Shrink(d, *point_1)
print('point_offset', point_offset)
# 定义边的结构
class XET:
def __init__(self, x=0.0, dx=0.0, ymax=0):
self.x = x
self.dx = dx
self.ymax = ymax
self.next = None
class Point:
def __init__(self, x, y):
self.x = x
point_1 = point
print('point_1', point_1)
# 偏置距离
d = 3
d_ = d * (2 + 1)
point_ = []
# 扫描线间隔距离
path_width = 4 * 10 # 全部数据扩大10倍，画图时在缩小即可，扫描线间隔是4（原因是程序中i不能产生浮点数）
# 多边形顺时针旋转
b = max(point_1[1]) # 绕(b,b)旋转,b为y轴最大值，步进旋转法中用到，在此程序中不能出现坐标y为负数，所以取较大者为旋转中心点
# 调用偏置程序 （import Polygon_offset as Pol）
for x in range(0, d_, d):
print(x)
a = Pol.Shrink(x, *point_1)
point_.append(a)
point_offset = point_[int((d_/d)-1)]
# 多边形顶点数
POINTNUM_1 = len(point_offset)
POINTNUM = POINTNUM_1
# 定义边的结构
class XET:
def __init__(self, x=0.0, dx=0.0, ymax=0):
self.x = x
self.dx = dx
self.ymax = ymax