68 lines
1.8 KiB
Python
68 lines
1.8 KiB
Python
# 计算中桩设计高程
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import color
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#纵断面表
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sheet_longitudinal = sheet("longitudinal_profile")
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#坐标计算表
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sheet_coord = sheet("coord_calc")
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def sgn(x):
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if x > 0:
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return 1
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if x < 0:
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return -1
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return 0
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def calc_elevation():
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with sheet_longitudinal:
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row = 0
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while not cell(row, 0).empty():
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row += 1
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if row < 2:
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print(f"{color.red}错误{color.nc}:纵断面表缺少高程设计数据")
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return
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max_row = row
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min_chainage = cell(0, 0).value
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max_chainage = cell(max_row - 1, 0).value
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row = 2
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d = 0
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while not sheet_coord[row, 1].empty():
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chainage = sheet_coord[row, 1].value
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if min_chainage <= chainage <= max_chainage:
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row2 = 1
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while not cell(row2, 0).empty():
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if chainage < cell(row2, 0).value:
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break
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row2 = row2 + 1
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start_chainage = cell(row2 - 1, 0).value #起始里程
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end_chainage = cell(row2, 0).value #终止里程
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if cell(row2 - 1, 2).empty():
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start_radius = None
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else:
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start_radius = cell(row2 - 1, 2).value * sgn(cell(row2, 4).value - cell(row2 - 1, 4).value) #起始半径
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end_radius = cell(row2, 2).value * sgn(cell(row2 + 1, 4).value - cell(row2, 4).value) #终止半径
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start_t = cell(row2 - 1, 6).value or 0 #起始切线长
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end_t = cell(row2, 6).value #终止切线长
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start_h = cell(row2 - 1, 1).value #起始高程
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ratio = cell(row2, 4).value / 100 #坡度
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elevation = start_h + (chainage - start_chainage) * ratio
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if chainage < start_chainage + start_t:
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d = (start_chainage + start_t - chainage) ** 2 / 2 / start_radius
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elif chainage > end_chainage - end_t:
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if end_t < 0.000001:
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d = 0
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else:
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d = (chainage - end_chainage + end_t) ** 2 / 2 / end_radius
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elevation += d
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sheet_coord[row, 5].value = elevation
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row += 1
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calc_elevation()
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