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# $Id:$ |
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|
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""" |
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Geometrical Elementries |
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|
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the concept is inspired by gmsh and very much focused on the fact that |
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the classes are used to wrk with gmsh. |
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|
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@var __author__: name of author |
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@var __copyright__: copyrights |
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@var __license__: licence agreement |
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@var __url__: url entry point on documentation |
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@var __version__: version |
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@var __date__: date of the version |
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""" |
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|
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|
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__author__="Lutz Gross, l.gross@uq.edu.au" |
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__copyright__=""" Copyright (c) 2006 by ACcESS MNRF |
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http://www.access.edu.au |
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Primary Business: Queensland, Australia""" |
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__license__="""Licensed under the Open Software License version 3.0 |
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http://www.opensource.org/licenses/osl-3.0.php""" |
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__url__="http://www.iservo.edu.au/esys/escript" |
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__version__="$Revision:$" |
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__date__="$Date:$" |
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|
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from primitives import Primitive, PrimitiveStack |
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from datetime import date |
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import tempfile |
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import os |
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|
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class Design(object): |
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""" |
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template for elementary geometrical object |
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""" |
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def __init__(self,dim=3,scale=1.,element_order=1,keep_tmp_files=False): |
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""" |
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""" |
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self.__items=[] |
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self.setScale(scale) |
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self.setDim(dim) |
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self.setElementOrder(element_order) |
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self.setKeepTmpFiles(keep_tmp_files) |
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def addPrimitive(self,item): |
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self.addPrimitives(item) |
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def addPrimitives(self,*items): |
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for i in range(len(items)): |
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if not isinstance(items[i],Primitive): |
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raise TypeError("%s-th argument is not a Primitive object"%i) |
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for i in items: |
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self.__items.append(i) |
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def setKeepTmpFiles(self,flag=None): |
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if flag==None: |
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if self.__keep_tmp_files==True: |
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self.__keep_tmp_files=False |
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else: |
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self.__keep_tmp_files=True |
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else: |
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self.__keep_tmp_files=flag |
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def keepTmpFiles(self,scale=1.): |
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return self.__keep_tmp_files |
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def setScale(self,scale=1.): |
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self.__scale=scale |
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def getScale(self,scale=1.): |
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return self.__scale |
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def setDim(self,dim=3): |
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self.__dim=dim |
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def getDim(self,dim=3): |
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return self.__dim |
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def setElementOrder(self,order=1): |
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self.__order=order |
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def getElementOrder(self,order=1): |
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return self.__order |
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def getPrimitives(self): |
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return self.__items |
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def getGmshScript(self): |
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ps=PrimitiveStack(*tuple(self.getPrimitives())) |
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return "// generated by esys.pycad\nscale = %s;\n%s"%(self.getScale(),ps.getGmshCommands()) |
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def writeGmshScript(self,file): |
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file.write(self.getGmshScript()) |
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def writeGmshMesh(self,filename): |
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scriptname=tempfile.mkstemp(suffix=".geo")[1] |
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self.writeGmshScript(open(scriptname,"w")) |
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exe="gmsh -%s -smooth 2 -optimize -v 0 -order %s -o %s %s"%(self.getDim(),self.getElementOrder(),filename,scriptname) |
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os.system(exe) |
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if not self.keepTmpFiles(): os.unlink(scriptname) |
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return exe |
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def writeFinleyMesh(self,filename): |
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mshname=tempfile.mkstemp(suffix=".msh")[1] |
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exe=self.writeGmshMesh(mshname) |
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f=open(mshname,"r") |
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line=f.readline().split() |
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while len(line)>0: |
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print line |
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line=f.readline().split() |
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if not self.keepTmpFiles(): os.unlink(mshname) |
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return exe |
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