def readFromPolyFile(self, filebase, flagsAdd="", verbose=0):
"""
read triangle representation from filebase.poly file
assumes the nbase data member is set appropriately
"""
reader = TriangleUtils.TriangleInputFileReader()
if verbose > 0:
print 'readFromPolyFile filebase= ', filebase
#end if
polyDataInfo, polyData = reader.readPoly(filebase,
nbase=self.nbase,
verbose=verbose)
if verbose > 3:
for type in ['node', 'segment', 'hole', 'region']:
print 'Poly: ', type, 'Info= \n', polyDataInfo[type], '\n'
#end for
#end if
nodes, nodesA, nodesM = (polyData['node']['nodes'],
polyData['node']['nodeAttributes'],
polyData['node']['nodeMarkers'])
segments, segmentsM = (polyData['segment']['segments'],
polyData['segment']['segmentMarkers'])
holes = polyData['hole']['holes']
regions = polyData['region']['regions']
if verbose > 3:
print """Poly file read:
nodes = \n%s\n nodeAttributes= \n%s\n nodeMarkers= \n%s\n
segments= \n%s\n segmentMarkers= \n%s\n
holes = \n%s\n
regions = \n%s\n
""" % (nodes, nodesA, nodesM, segments, segmentsM, holes, regions)
#end if
tri0 = triangleWrappers.new()
if nodesM == None:
triangleWrappers.setPoints(tri0, nodes)
else:
nodesMtmp = numpy.zeros(nodesM.shape, 'i')
nodesMtmp[:] = nodesM
nodesM = nodesMtmp
triangleWrappers.setPointsAndMarkers(tri0, nodes, nodesM)
if not nodesA == None:
triangleWrappers.setPointAttributes(tri0, nodesA)
#end if
if segmentsM == None:
triangleWrappers.setSegments(tri0, segments)
else:
triangleWrappers.setSegmentsAndMarkers(tri0, segments, segmentsM)
#end if
if (not holes == None):
triangleWrappers.setHoles(tri0, holes)
#end if
if (not regions == None):
#print 'setting trin1 regions=\n',regions2
triangleWrappers.setRegions(tri0, regions)
#end if
flags = flagsAdd + self.baseFlags
if flags.find('p') == -1:
print 'flags = ', flags, ' must have p, appending'
flags += "p"
#end
if flags.find('v') >= 0:
self.makeVoronoi = True
if verbose > 0:
print 'readNodeAndEle makeVoronoi= ', self.makeVoronoi, ' flags= ', flags
#end if
self.lastFlags = flags
#reset data representations if necessary
self.resetDefaultTrirep(index=0, verbose=verbose)
if self.makeVoronoi:
self.resetDefaultVorrep(index=0, verbose=verbose)
#end vorrep initialized
if self.makeVoronoi:
triangleWrappers.applyTriangulate(flags, tri0, self.trirep[0],
self.vorrep[0])
#handles no longer contain trivial representations
self.trirepDefaultInit[0] = False
self.vorrepDefaultInit[0] = False
else:
triangleWrappers.applyTriangulateNoVoronoi(flags, tri0,
self.trirep[0])
#handle no longer contains trivial representations
self.trirepDefaultInit[0] = False
#end if
#clean up?
del tri0
def readFromPolyFile(self,filebase,flagsAdd="",verbose=0):
"""Reads in the triangle representation from filebase.poly file.
Parameters
----------
filebase : str
The filename with the triangluation.
flagsAdd : str
verbose : int
A flag indicating how much information to pipe to stdout.
Notes
-----
Function assumes the nbase data member is set appropriately.
"""
reader = TriangleUtils.TriangleInputFileReader()
if verbose > 0:
logEvent('readFromPolyFile filebase= ',filebase)
#end if
polyDataInfo,polyData = reader.readPoly(filebase,nbase=self.nbase,
verbose=verbose)
if verbose > 3:
for type in ['node','segment','hole','region']:
logEvent('Poly: ',type,'Info= \n',polyDataInfo[type],'\n')
#end for
#end if
nodes,nodesA,nodesM = (polyData['node']['nodes'],
polyData['node']['nodeAttributes'],
polyData['node']['nodeMarkers'])
segments,segmentsM = (polyData['segment']['segments'],
polyData['segment']['segmentMarkers'])
holes = polyData['hole']['holes']
regions = polyData['region']['regions']
if verbose > 3:
logEvent("""Poly file read:
nodes = \n%s\n nodeAttributes= \n%s\n nodeMarkers= \n%s\n
segments= \n%s\n segmentMarkers= \n%s\n
holes = \n%s\n
regions = \n%s\n
""" % (nodes,nodesA,nodesM,segments,segmentsM,holes,regions))
#end if
tri0 = triangleWrappers.new()
if nodesM is None:
triangleWrappers.setPoints(tri0,nodes)
else:
nodesMtmp = numpy.zeros(nodesM.shape,'i')
nodesMtmp[:] = nodesM
nodesM = nodesMtmp
triangleWrappers.setPointsAndMarkers(tri0,nodes,nodesM)
if nodesA is not None:
triangleWrappers.setPointAttributes(tri0,nodesA)
#end if
if segmentsM is None:
triangleWrappers.setSegments(tri0,segments)
else:
triangleWrappers.setSegmentsAndMarkers(tri0,segments,segmentsM)
#end if
if (holes is not None):
triangleWrappers.setHoles(tri0,holes)
#end if
if (regions is not None):
#print 'setting trin1 regions=\n',regions2
triangleWrappers.setRegions(tri0,regions)
#end if
flags = flagsAdd+self.baseFlags
if flags.find('p') == -1:
logEvent('flags = ',flags,' must have p, appending')
flags += "p"
#end
if flags.find('v') >= 0:
self.makeVoronoi = True
if verbose > 0:
logEvent('readNodeAndEle makeVoronoi= ',self.makeVoronoi,' flags= ',flags)
#end if
self.lastFlags = flags
#reset data representations if necessary
self.resetDefaultTrirep(index=0,verbose=verbose)
if self.makeVoronoi:
self.resetDefaultVorrep(index=0,verbose=verbose)
#end vorrep initialized
if self.makeVoronoi:
triangleWrappers.applyTriangulate(flags,tri0,self.trirep[0],self.vorrep[0])
#handles no longer contain trivial representations
self.trirepDefaultInit[0] = False
self.vorrepDefaultInit[0] = False
else:
triangleWrappers.applyTriangulateNoVoronoi(flags,tri0,self.trirep[0])
#handle no longer contains trivial representations
self.trirepDefaultInit[0] = False
#end if
#clean up?
del tri0
def readFromNodeAndEleFiles(self, filebase, flagsAdd="", verbose=0):
"""
read triangle representation from filebase.node and filebase.ele
files. assumes the nbase data member is set appropriately
"""
reader = TriangleUtils.TriangleInputFileReader()
if verbose > 0:
print 'readFromNodeAndEleFiles filebase= ', filebase
#end if
nodeDataInfo, nodeData = reader.readNodes(filebase, nbase=self.nbase)
nodes, nodesA, nodesM = (nodeData['nodes'], nodeData['nodeAttributes'],
nodeData['nodeMarkers'])
if verbose > 3:
print 'Nodes: nodeInfo= ', nodeDataInfo
print """Nodes: nodes= \n%s\n nodeAttributes= \n%s\n nodeMarkers= \n%s
""" % (nodes, nodesA, nodesM)
#end if
triDataInfo, triData = reader.readTriangles(filebase, nbase=self.nbase)
triangles, trianglesA = triData['triangles'], triData[
'triangleAttributes']
if verbose > 3:
print 'Triangles: triInfo= ', triDataInfo
print """Triangles: elems= \n%s\n triAttributes= \n%s
""" % (triangles, trianglesA)
#end if
#now create an initial representation
tri0 = triangleWrappers.new()
if nodesM == None:
triangleWrappers.setPoints(tri0, nodes)
else:
triangleWrappers.setPointsAndMarkers(tri0, nodes, nodesM)
if not nodesA == None:
triangleWrappers.setPointAttributes(tri0, nodesA)
#end if
triangleWrappers.setTriangles(tri0, triangles)
if not trianglesA == None:
triangleWrappers.setTriangleAttributes(tri0, trianglesA)
#run triangulate on it using the base flags and whatever else was
#added
flags = flagsAdd + self.baseFlags
if flags.find('v') >= 0:
self.makeVoronoi = True
if verbose > 0:
print 'readNodeAndEle makeVoronoi= ', self.makeVoronoi, ' flags= ', flags
#end if
self.lastFlags = flags
#reset data representations if necessary
self.resetDefaultTrirep(index=0, verbose=verbose)
if self.makeVoronoi:
self.resetDefaultVorrep(index=0, verbose=verbose)
#end vorrep initialized
if self.makeVoronoi:
triangleWrappers.applyTriangulate(flags, tri0, self.trirep[0],
self.vorrep[0])
#handles no longer contain trivial representations
self.trirepDefaultInit[0] = False
self.vorrepDefaultInit[0] = False
else:
triangleWrappers.applyTriangulateNoVoronoi(flags, tri0,
self.trirep[0])
#handle no longer contains trivial representations
self.trirepDefaultInit[0] = False
#end if
#do I need to clean up explicitly?
del tri0
def readFromNodeAndEleFiles(self,filebase,flagsAdd="",verbose=0):
"""
read triangle representation from filebase.node and filebase.ele
files. assumes the nbase data member is set appropriately
"""
reader = TriangleUtils.TriangleInputFileReader()
if verbose > 0:
logEvent('readFromNodeAndEleFiles filebase= ',filebase)
#end if
nodeDataInfo,nodeData = reader.readNodes(filebase,nbase=self.nbase)
nodes,nodesA,nodesM = (nodeData['nodes'],
nodeData['nodeAttributes'],
nodeData['nodeMarkers'])
if verbose > 3:
logEvent('Nodes: nodeInfo= ',nodeDataInfo)
logEvent("""Nodes: nodes= \n%s\n nodeAttributes= \n%s\n nodeMarkers= \n%s
""" % (nodes,nodesA,nodesM))
#end if
triDataInfo,triData = reader.readTriangles(filebase,nbase=self.nbase)
triangles,trianglesA = triData['triangles'],triData['triangleAttributes']
if verbose > 3:
logEvent('Triangles: triInfo= ',triDataInfo)
logEvent("""Triangles: elems= \n%s\n triAttributes= \n%s
""" % (triangles,trianglesA))
#end if
#now create an initial representation
tri0 = triangleWrappers.new()
if nodesM is None:
triangleWrappers.setPoints(tri0,nodes)
else:
triangleWrappers.setPointsAndMarkers(tri0,nodes,nodesM)
if nodesA is not None:
triangleWrappers.setPointAttributes(tri0,nodesA)
#end if
triangleWrappers.setTriangles(tri0,triangles)
if trianglesA is not None:
triangleWrappers.setTriangleAttributes(tri0,trianglesA)
#run triangulate on it using the base flags and whatever else was
#added
flags = flagsAdd+self.baseFlags
if flags.find('v') >= 0:
self.makeVoronoi = True
if verbose > 0:
logEvent('readNodeAndEle makeVoronoi= ',self.makeVoronoi,' flags= ',flags)
#end if
self.lastFlags = flags
#reset data representations if necessary
self.resetDefaultTrirep(index=0,verbose=verbose)
if self.makeVoronoi:
self.resetDefaultVorrep(index=0,verbose=verbose)
#end vorrep initialized
if self.makeVoronoi:
triangleWrappers.applyTriangulate(flags,tri0,self.trirep[0],self.vorrep[0])
#handles no longer contain trivial representations
self.trirepDefaultInit[0] = False
self.vorrepDefaultInit[0] = False
else:
triangleWrappers.applyTriangulateNoVoronoi(flags,tri0,self.trirep[0])
#handle no longer contains trivial representations
self.trirepDefaultInit[0] = False
#end if
#do I need to clean up explicitly?
del tri0