def shape_use(data):
res = data_check(data)
if res['is_error']:
return res
else:
import django
os.environ.setdefault("DJANGO_SETTINGS_MODULE",
"irregular_packing.settings")
django.setup()
from packing.models import DxfModel
# 循环特定次数 TODO: 用户去选择优化时间
type_loop = data.get('loop') or 'primary'
if type_loop == 'primary':
loop_time = 1
routing = 4
elif type_loop == 'middle':
loop_time = 30
routing = 8
else:
loop_time = 90
routing = 16
# 间距
border = data.get('border')
if border:
border = int(data.get('border'))
material_dict = dict()
for input_data in res['data']:
# 确保整形
amount = input_data.get('Amount') or 0
if amount == 0:
return {
'is_error': True,
'data': input_data,
'error_info': u'Without Amount'
}
input_data['Amount'] = int(amount)
dxf_model = DxfModel.objects.filter(
model_guid=input_data['Guid']).first()
shapes = input_utls.input_polygon(dxf_model.uploads.path)
# 相同材料一起排料，新的材料就创建一个新材料信息
if material_dict.get(dxf_model.material_guid):
material_dict[dxf_model.material_guid]['model'].append(
str(dxf_model.id))
for i in range(0, input_data['Amount']):
material_dict[
dxf_model.material_guid]['nesting'].add_objects(shapes)
else:
# TODO:通过材料Guid 找 材料的信息：单价,单位--> 米 平方英尺, pcs--> limited or not
material = material_info(dxf_model.material_guid)
material_dict[dxf_model.material_guid] = {
'model': [dxf_model.id],
}
if dxf_model.rotation:
# 默认是不旋转图形，True 可以旋转图形
material_dict[dxf_model.material_guid]['nesting'] = Nester(
border=border, rotations=routing)
else:
material_dict[dxf_model.material_guid]['nesting'] = Nester(
border=border)
# 载入图形
for i in range(0, input_data['Amount']):
material_dict[
dxf_model.material_guid]['nesting'].add_objects(shapes)
if material:
material_dict[dxf_model.material_guid].update(material)
# TODO:需要选择尺寸
if material_dict[dxf_model.material_guid][
'nesting'].shapes_max_length > BIN_WIDTH:
# 预测长度
BIN_NORMAL[2][0] = material_dict[
dxf_model.
material_guid]['nesting'].shapes_max_length
BIN_NORMAL[3][0] = material_dict[
dxf_model.
material_guid]['nesting'].shapes_max_length
if material['width'] > 0:
# 宽度
BIN_NORMAL[1][1] = material['width']
BIN_NORMAL[2][1] = material['width']
# 选择bin, 单位是米==无限长，平方或其他==固定大小的面料
#print BIN_NORMAL
if material['unit'] == '米':
material_dict[
dxf_model.material_guid]['nesting'].add_container(
BIN_NORMAL, limited=False)
else:
material_dict[dxf_model.material_guid][
'nesting'].add_container(BIN_CUT_BIG)
# 设计退出条件
for key, value in material_dict.items():
# 启动运算
value['nesting'].run()
# 固定循环次数，找最优解
value.update(
content_loop_rate(value['nesting'].best,
value['nesting'],
loop_time=int(loop_time),
save_img=True))
value.pop('nesting')
if value['unit'] == '米':
value['unit'] = 'm'
value['total_price'] = float(
value['use_width']) / 1000 * value['price']
else:
value['unit'] = 'psc'
# 1英尺平方 == 92903.04毫米平方
value['total_price'] = (int(value['areas'] / 92903.04) +
1) * value['price']
return {'is_error': False, 'data': material_dict}
from nfp_function import Nester, content_loop_rate, set_target_loop
from tools import input_utls
from settings import BIN_WIDTH, BIN_NORMAL, BIN_CUT_BIG
if __name__ == '__main__':
n = Nester()
s = input_utls.input_polygon('test_file/E6.dxf')
# s = input_utls.input_polygon_svg('test_file/test1.svg')
n.add_objects(s)
if n.shapes_max_length > BIN_WIDTH:
BIN_NORMAL[2][0] = n.shapes_max_length
BIN_NORMAL[3][0] = n.shapes_max_length
# Chọn vải mặt
n.add_container(BIN_NORMAL)
# Chạy tính toán
n.run()
# Điều kiện thoát thiết kế
res_list = list()
best = n.best
# Đặt trong một thùng chứa
# Placed in a container
# set_target_loop(best, n) # T6
# Chu kỳ một số lần cụ thể
# Cycle a certain number of times
content_loop_rate(best, n, loop_time=20) # T7 , T4
value['total_price'] = float(
value['use_width']) / 1000 * value['price']
else:
value['unit'] = 'psc'
# 1英尺平方 == 92903.04毫米平方
value['total_price'] = (int(value['areas'] / 92903.04) +
1) * value['price']
return {'is_error': False, 'data': material_dict}
if __name__ == '__main__':
n = Nester(border=None, rotations=4)
s = input_utls.input_polygon('dxf_file/E6.dxf')
n.add_objects(s)
if n.shapes_max_length > BIN_WIDTH:
BIN_NORMAL[2][0] = n.shapes_max_length
BIN_NORMAL[3][0] = n.shapes_max_length
# 选择面布
n.add_container(BIN_NORMAL, limited=False)
# 运行计算
n.run()
# 设计退出条件
best = n.best
# 放置在一个容器里面
# set_target_loop(best, n) # T6
# 循环特定次数
print content_loop_rate(best, n, loop_time=2, save_img=False) # T7 , T4