在CATIA中,装配体的结构主要通过以下三个基本元素来定义:特征、零件和产品。
在CATIA的装配结构中,每个产品都可以在不改变整体装配结构的情况下,替换其中的某个零件或子产品。例如,你可以把门锁上的旧锁芯替换成新的锁芯,而整个门锁的结构不会发生改变。这就是CATIA装配体结构的基本概念。
- import win32com.client
- import pywintypes # 导入pywintypes模块
- import getpass
- import time
-
- global catia
- global spacing, h, w
- spacing = 30 # 视图摆放间距
- # 启动CATIA应用
- catia = win32com.client.Dispatch('CATIA.Application')
- catia.visible=1
- def get_view_size(view):
- code='''
- function catmain(view)
- dim mysize(3)
- view.size mysize
- catmain=mysize
- end function
- '''
- srv = catia.SystemService
- mysize = srv.Evaluate(code, 0, 'catmain',[view])
- return mysize
-
- def project_view(sheet,prd):
- # fornt view
- fview=sheet.views.add('AutomaticNaming')
- fgb=fview.generativebehavior
- flk=fview.generativelinks
- fgb.document=prd
- fgb.definefrontview(0,1,0,0,0,1)
- fgb.update()
- fsize=get_view_size(fview)
-
- # left view
- lview=sheet.views.add('AutomaticNaming')
- lgb = lview.generativebehavior
- llk = lview.generativelinks
- flk.copylinksto(llk)
- lgb.defineprojectionview(fgb,1)
- lgb.update()
- lsize = get_view_size(lview)
- # 设置左视图相对主视图的位置
- lview.x=-lsize[0]+fsize[1]+spacing
- lview.referenceview = fview
-
- # top view
- tview = sheet.views.add('AutomaticNaming')
- tgb = tview.generativebehavior
- tlk = tview.generativelinks
- flk.copylinksto(tlk)
- tgb.defineprojectionview(fgb, 2)
- tgb.update()
- tsize = get_view_size(tview)
- # 设置俯视图相对主视图的位置
- tview.y = fsize[2] - tsize[3] - spacing
- tview.referenceview = fview
-
- # 定位主视图
- fview.x=-fsize[0]+spacing
- fview.y=h-fsize[3]-spacing
-
- def create_titleblock(bview,prd):
- tables=bview.tables
- tb=tables.add(0,0,4,3,20,50)
- tb.computemode=0
-
- tb.anchorpoint=8 #BottomRight的枚举值
- tb.SetColumnSize(3,100) # 第三列列宽50
- tb.mergecells(1, 3, 2, 1) #合并第三列1,2行
- tb.mergecells(3, 3, 2, 1) #合并第三列3,4行
-
- # 设置单元格对其方式,及字号字体
- for row in range(1,tb.numberofrows+1):
- for col in range(1,tb.numberofcolumns+1):
- tb.setcellalignment(row,col,4)
- text=tb.getcellobject(row,col)
- text.setfontname(0,0,'SimSun (TrueType)')
- text.setfontsize(0,0,5)
- tb.x=w-10
- tb.y=10
-
- tb.setcellstring(1, 1, '设计')
- tb.setcellstring(1, 2, getpass.getuser()) #获取计算机用户名
-
- tb.setcellstring(2, 1, '日期')
- date=time.strftime("%Y-%m-%d", time.localtime())
- tb.setcellstring(2, 2, date)
-
- tb.setcellstring(3, 1, '校核')
- tb.setcellstring(3, 2, 'xx')
-
- tb.setcellstring(4, 1, '日期')
- tb.setcellstring(4, 2, date)
-
- tb.setcellstring(1, 3, prd.partnumber)
-
- tb.setcellstring(3, 3, 'xxx')
-
- tb.computemode=1
-
- try:
- prddoc = catia.activedocument
- prd = prddoc.product
- drwdoc = catia.documents.add('Drawing')
- sheet = drwdoc.sheets[0]
- bview = sheet.views[1] # background view
- sheet.papersize = 4 # A2
- h = sheet.getpaperheight()
- w = sheet.getpaperwidth()
- sheet.name = prd.partnumber
-
- project_view(sheet, prd)
- create_titleblock(bview, prd)
-
- catia.activewindow.activeviewer.reframe()
- except pywintypes.com_error as e:
- # 如果出现错误,可能是因为没有活动文档
- print("无法获取活动文档,请确保CATIA应用程序中已有打开的文档。")
- print(e)