def testBoundaryRead(self):
blk=ParsedBlockMeshDict(SolutionDirectory(self.dest).blockMesh())
self.assertEqual(blk.convertToMeters(),1.)
self.assertEqual(len(blk.vertices()),22)
self.assertEqual(len(blk.blocks()),5)
self.assertEqual(len(blk.patches()),6)
self.assertEqual(len(blk.arcs()),8)
self.assertEqual(blk.typicalLength(),1.25)
self.assertEqual(str(blk.getBounds()),"([0.0, 0.0, 0.0], [2.0, 2.0, 0.5])")
def testBoundaryRead(self):
blk = ParsedBlockMeshDict(SolutionDirectory(self.dest).blockMesh())
self.assertEqual(blk.convertToMeters(), 1.)
self.assertEqual(len(blk.vertices()), 22)
self.assertEqual(len(blk.blocks()), 5)
self.assertEqual(len(blk.patches()), 6)
self.assertEqual(len(blk.arcs()), 8)
self.assertEqual(blk.typicalLength(), 1.25)
self.assertEqual(str(blk.getBounds()),
"([0.0, 0.0, 0.0], [2.0, 2.0, 0.5])")
import sys from PyFoam.RunDictionary.ParsedBlockMeshDict import ParsedBlockMeshDict bm=ParsedBlockMeshDict(sys.argv[1]) print "Vertices: " print bm.vertices() print "Blocks: " print bm.blocks() print "Patches:" print bm.patches() print "Arcs:" print bm.arcs() print "Min/Max",bm.getBounds() print "Typical Length: ",bm.typicalLength() print bm["edges"]
class DisplayBlockMesh(PyFoamApplication):
def __init__(self):
description="""\
Reads the contents of a blockMeshDict-file and displays the vertices
as spheres (with numbers). The blocks are sketched by lines. One block
can be seceted with a slider. It will be displayed as a green cube
with the local directions x1,x2 and x3. Also a patch that is selected
by a slider will be sketched by blue squares. This implementation
uses Tkinter and is no longer activly developed. Use the QT-version.
"""
PyFoamApplication.__init__(self,
description=description,
usage="%prog [options] <blockMeshDict>",
interspersed=True,
nr=1)
def run(self):
doImports()
self.renWin = vtk.vtkRenderWindow()
self.ren = vtk.vtkRenderer()
self.renWin.AddRenderer(self.ren)
self.renWin.SetSize(600, 600)
self.ren.SetBackground(0.7, 0.7, 0.7)
self.ren.ResetCamera()
self.cam = self.ren.GetActiveCamera()
self.axes = vtk.vtkCubeAxesActor2D()
self.axes.SetCamera(self.ren.GetActiveCamera())
self.undefinedActor=vtk.vtkTextActor()
self.undefinedActor.GetPositionCoordinate().SetCoordinateSystemToNormalizedDisplay()
self.undefinedActor.GetPositionCoordinate().SetValue(0.05,0.2)
self.undefinedActor.GetTextProperty().SetColor(1.,0.,0.)
self.undefinedActor.SetInput("")
try:
self.readFile()
except Exception:
e = sys.exc_info()[1] # Needed because python 2.5 does not support 'as e'
warning("While reading",self.parser.getArgs()[0],"this happened:",e)
raise e
self.ren.ResetCamera()
self.root = tkinter.Tk()
self.root.withdraw()
# Create the toplevel window
self.top = tkinter.Toplevel(self.root)
self.top.title("blockMesh-Viewer")
self.top.protocol("WM_DELETE_WINDOW", self.quit)
# Create some frames
self.f1 = tkinter.Frame(self.top)
self.f2 = tkinter.Frame(self.top)
self.f1.pack(side="top", anchor="n", expand=1, fill="both")
self.f2.pack(side="bottom", anchor="s", expand="f", fill="x")
# Create the Tk render widget, and bind the events
self.rw = vtkTkRenderWindowInteractor(self.f1, width=400, height=400, rw=self.renWin)
self.rw.pack(expand="t", fill="both")
self.blockHigh=tkinter.IntVar()
self.blockHigh.set(-1)
self.oldBlock=-1
self.blockActor=None
self.blockTextActor=None
self.patchHigh=tkinter.IntVar()
self.patchHigh.set(-1)
self.oldPatch=-1
self.patchActor=None
self.patchTextActor=vtk.vtkTextActor()
self.patchTextActor.GetPositionCoordinate().SetCoordinateSystemToNormalizedDisplay()
self.patchTextActor.GetPositionCoordinate().SetValue(0.05,0.1)
self.patchTextActor.GetTextProperty().SetColor(0.,0.,0.)
self.patchTextActor.SetInput("Patch: <none>")
self.scroll=tkinter.Scale(self.f2,orient='horizontal',
from_=-1,to=len(self.blocks)-1,resolution=1,tickinterval=1,
label="Block (-1 is none)",
variable=self.blockHigh,command=self.colorBlock)
self.scroll.pack(side="top", expand="t", fill="x")
self.scroll2=tkinter.Scale(self.f2,orient='horizontal',
from_=-1,to=len(list(self.patches.keys()))-1,resolution=1,tickinterval=1,
label="Patch (-1 is none)",
variable=self.patchHigh,command=self.colorPatch)
self.scroll2.pack(side="top", expand="t", fill="x")
self.f3 = tkinter.Frame(self.f2)
self.f3.pack(side="bottom", anchor="s", expand="f", fill="x")
self.b1 = tkinter.Button(self.f3, text="Quit", command=self.quit)
self.b1.pack(side="left", expand="t", fill="x")
self.b2 = tkinter.Button(self.f3, text="Reread blockMeshDict", command=self.reread)
self.b2.pack(side="left", expand="t", fill="x")
self.root.update()
self.iren = self.renWin.GetInteractor()
self.istyle = vtk.vtkInteractorStyleSwitch()
self.iren.SetInteractorStyle(self.istyle)
self.istyle.SetCurrentStyleToTrackballCamera()
self.addProps()
self.iren.Initialize()
self.renWin.Render()
self.iren.Start()
self.root.mainloop()
def readFile(self):
self.blockMesh=ParsedBlockMeshDict(self.parser.getArgs()[0])
self.vertices=self.blockMesh.vertices()
self.vActors=[None]*len(self.vertices)
self.blocks=self.blockMesh.blocks()
self.patches=self.blockMesh.patches()
self.vRadius=self.blockMesh.typicalLength()/50
for i in range(len(self.vertices)):
self.addVertex(i)
self.setAxes()
self.undefined=[]
for i in range(len(self.blocks)):
self.addBlock(i)
for a in self.blockMesh.arcs():
self.makeArc(a)
if len(self.undefined)>0:
self.undefinedActor.SetInput("Undefined vertices: "+str(self.undefined))
else:
self.undefinedActor.SetInput("")
def addUndefined(self,i):
if not i in self.undefined:
self.undefined.append(i)
def addProps(self):
self.ren.AddViewProp(self.axes)
self.ren.AddActor2D(self.patchTextActor)
self.ren.AddActor2D(self.undefinedActor)
def addPoint(self,coord,factor=1):
sphere=vtk.vtkSphereSource()
sphere.SetRadius(self.vRadius*factor)
sphere.SetCenter(coord)
mapper=vtk.vtkPolyDataMapper()
mapper.SetInputConnection(sphere.GetOutputPort())
actor = vtk.vtkActor()
actor.SetMapper(mapper)
self.ren.AddActor(actor)
return actor
def addVertex(self,index):
coord=self.vertices[index]
self.vActors[index]=self.addPoint(coord)
text=vtk.vtkVectorText()
text.SetText(str(index))
tMapper=vtk.vtkPolyDataMapper()
tMapper.SetInput(text.GetOutput())
tActor = vtk.vtkFollower()
tActor.SetMapper(tMapper)
tActor.SetScale(2*self.vRadius,2*self.vRadius,2*self.vRadius)
tActor.AddPosition(coord[0]+self.vRadius,coord[1]+self.vRadius,coord[2]+self.vRadius)
tActor.SetCamera(self.cam)
tActor.GetProperty().SetColor(1.0,0.,0.)
self.ren.AddActor(tActor)
def addLine(self,index1,index2):
try:
c1=self.vertices[index1]
c2=self.vertices[index2]
except:
if index1>=len(self.vertices):
self.addUndefined(index1)
if index2>=len(self.vertices):
self.addUndefined(index2)
return None
line=vtk.vtkLineSource()
line.SetPoint1(c1)
line.SetPoint2(c2)
mapper=vtk.vtkPolyDataMapper()
mapper.SetInputConnection(line.GetOutputPort())
actor = vtk.vtkActor()
actor.SetMapper(mapper)
self.ren.AddActor(actor)
return actor
def makeDirection(self,index1,index2,label):
try:
c1=self.vertices[index1]
c2=self.vertices[index2]
except:
return None,None
line=vtk.vtkLineSource()
line.SetPoint1(c1)
line.SetPoint2(c2)
tube=vtk.vtkTubeFilter()
tube.SetRadius(self.vRadius*0.5)
tube.SetNumberOfSides(10)
tube.SetInput(line.GetOutput())
text=vtk.vtkVectorText()
text.SetText(label)
tMapper=vtk.vtkPolyDataMapper()
tMapper.SetInput(text.GetOutput())
tActor = vtk.vtkFollower()
tActor.SetMapper(tMapper)
tActor.SetScale(self.vRadius,self.vRadius,self.vRadius)
tActor.AddPosition((c1[0]+c2[0])/2+self.vRadius,(c1[1]+c2[1])/2+self.vRadius,(c1[2]+c2[2])/2+self.vRadius)
tActor.SetCamera(self.cam)
tActor.GetProperty().SetColor(0.0,0.,0.)
return tube.GetOutput(),tActor
def makeSpline(self,lst):
points = vtk.vtkPoints()
for i in range(len(lst)):
v=lst[i]
points.InsertPoint(i,v[0],v[1],v[2])
spline=vtk.vtkParametricSpline()
spline.SetPoints(points)
spline.ClosedOff()
splineSource=vtk.vtkParametricFunctionSource()
splineSource.SetParametricFunction(spline)
mapper=vtk.vtkPolyDataMapper()
mapper.SetInputConnection(splineSource.GetOutputPort())
actor = vtk.vtkActor()
actor.SetMapper(mapper)
self.ren.AddActor(actor)
def makeArc(self,data):
try:
self.makeSpline([self.vertices[data[0]],data[1],self.vertices[data[2]]])
except:
if data[0]>=len(self.vertices):
self.addUndefined(data[0])
if data[2]>=len(self.vertices):
self.addUndefined(data[2])
self.addPoint(data[1],factor=0.5)
def makeFace(self,lst):
points = vtk.vtkPoints()
side = vtk.vtkCellArray()
side.InsertNextCell(len(lst))
for i in range(len(lst)):
try:
v=self.vertices[lst[i]]
except:
self.addUndefined(lst[i])
return None
points.InsertPoint(i,v[0],v[1],v[2])
side.InsertCellPoint(i)
result=vtk.vtkPolyData()
result.SetPoints(points)
result.SetPolys(side)
return result
def addBlock(self,index):
b=self.blocks[index]
self.addLine(b[ 0],b[ 1])
self.addLine(b[ 3],b[ 2])
self.addLine(b[ 7],b[ 6])
self.addLine(b[ 4],b[ 5])
self.addLine(b[ 0],b[ 3])
self.addLine(b[ 1],b[ 2])
self.addLine(b[ 5],b[ 6])
self.addLine(b[ 4],b[ 7])
self.addLine(b[ 0],b[ 4])
self.addLine(b[ 1],b[ 5])
self.addLine(b[ 2],b[ 6])
self.addLine(b[ 3],b[ 7])
def setAxes(self):
append=vtk.vtkAppendPolyData()
for a in self.vActors:
if a!=None:
append.AddInput(a.GetMapper().GetInput())
self.axes.SetInput(append.GetOutput())
# Define a quit method that exits cleanly.
def quit(self):
self.root.quit()
def reread(self):
self.ren.RemoveAllViewProps()
self.patchActor=None
self.blockActor=None
self.blockTextActor=None
self.addProps()
self.readFile()
tmpBlock=int(self.blockHigh.get())
if not tmpBlock<len(self.blocks):
tmpBlock=len(self.blocks)-1
self.scroll.config(to=len(self.blocks)-1)
self.blockHigh.set(tmpBlock)
self.colorBlock(tmpBlock)
tmpPatch=int(self.patchHigh.get())
if not tmpPatch<len(list(self.patches.keys())):
tmpPatch=len(list(self.patches.keys()))-1
self.scroll2.config(to=len(list(self.patches.keys()))-1)
self.patchHigh.set(tmpPatch)
self.colorPatch(tmpPatch)
self.renWin.Render()
def colorBlock(self,value):
newBlock=int(value)
if self.oldBlock>=0 and self.blockActor!=None:
self.ren.RemoveActor(self.blockActor)
for ta in self.blockTextActor:
self.ren.RemoveActor(ta)
self.blockActor=None
self.blockTextActor=None
if newBlock>=0:
append=vtk.vtkAppendPolyData()
append2=vtk.vtkAppendPolyData()
b=self.blocks[newBlock]
append.AddInput(self.makeFace([b[0],b[1],b[2],b[3]]))
append.AddInput(self.makeFace([b[4],b[5],b[6],b[7]]))
append.AddInput(self.makeFace([b[0],b[1],b[5],b[4]]))
append.AddInput(self.makeFace([b[3],b[2],b[6],b[7]]))
append.AddInput(self.makeFace([b[0],b[3],b[7],b[4]]))
append.AddInput(self.makeFace([b[1],b[2],b[6],b[5]]))
d,t1=self.makeDirection(b[0],b[1],"x1")
append.AddInput(d)
self.ren.AddActor(t1)
d,t2=self.makeDirection(b[0],b[3],"x2")
append.AddInput(d)
self.ren.AddActor(t2)
d,t3=self.makeDirection(b[0],b[4],"x3")
append.AddInput(d)
self.ren.AddActor(t3)
self.blockTextActor=(t1,t2,t3)
mapper=vtk.vtkPolyDataMapper()
mapper.SetInputConnection(append.GetOutputPort())
self.blockActor = vtk.vtkActor()
self.blockActor.SetMapper(mapper)
self.blockActor.GetProperty().SetColor(0.,1.,0.)
self.blockActor.GetProperty().SetOpacity(0.3)
self.ren.AddActor(self.blockActor)
self.oldBlock=newBlock
self.renWin.Render()
def colorPatch(self,value):
newPatch=int(value)
if self.oldPatch>=0 and self.patchActor!=None:
self.ren.RemoveActor(self.patchActor)
self.patchActor=None
self.patchTextActor.SetInput("Patch: <none>")
if newPatch>=0:
name=list(self.patches.keys())[newPatch]
subs=self.patches[name]
append=vtk.vtkAppendPolyData()
for s in subs:
append.AddInput(self.makeFace(s))
mapper=vtk.vtkPolyDataMapper()
mapper.SetInputConnection(append.GetOutputPort())
self.patchActor = vtk.vtkActor()
self.patchActor.SetMapper(mapper)
self.patchActor.GetProperty().SetColor(0.,0.,1.)
self.patchActor.GetProperty().SetOpacity(0.3)
self.ren.AddActor(self.patchActor)
self.patchTextActor.SetInput("Patch: "+name)
self.oldPatch=newPatch
self.renWin.Render()