From a9c679d4e4b49e44542bac81ef4ef65c94418eff Mon Sep 17 00:00:00 2001
From: Samo Penic <samo.penic@gmail.com>
Date: Fri, 08 Jul 2016 20:10:25 +0000
Subject: [PATCH] VTK rendering is done in realtime (updating attempt every second)
---
python/trisurf/tsmgr.py | 57 +---------------------------
python/trisurf/VTKRendering.py | 62 +++++++++++++++++++++++++++++++
2 files changed, 64 insertions(+), 55 deletions(-)
diff --git a/python/trisurf/VTKRendering.py b/python/trisurf/VTKRendering.py
new file mode 100644
index 0000000..c393051
--- /dev/null
+++ b/python/trisurf/VTKRendering.py
@@ -0,0 +1,62 @@
+import os,sys
+from . import trisurf
+if sys.version_info<(3,0):
+ from vtk import *
+
+
+class Renderer:
+ def __init__(self,args,host):
+ self.host=host
+ self.args=args
+ self.renderer = vtkRenderer()
+ self.actor=self.lastActor()
+ self.renderer.AddActor(self.actor)
+ self.renderer.SetBackground(0, 0, 0) # Set background to white
+
+ # Create the RendererWindow
+ self.renderer_window = vtkRenderWindow()
+ self.renderer_window.AddRenderer(self.renderer)
+
+# Set up a check for aborting rendering.
+ # Create the RendererWindowInteractor and display the vtk_file
+ interactor = vtkRenderWindowInteractor()
+ interactor.SetRenderWindow(self.renderer_window)
+ interactor.Initialize()
+ interactor.AddObserver("TimerEvent", self.RenderUpdate)
+ timerIDR = interactor.CreateRepeatingTimer(1000)
+ interactor.Start()
+
+ return
+
+ def lastVTU(self):
+ Dir=trisurf.Directory(maindir=self.host['runs'][0].maindir,simdir=self.host['runs'][0].subdir)
+ filename=os.path.join("./",Dir.fullpath(),self.host['runs'][0].getLastVTU())
+ return filename
+
+ def lastActor(self):
+ self.filename=self.lastVTU()
+ reader=vtkXMLUnstructuredGridReader()
+ reader.SetFileName(self.filename)
+ reader.Update() # Needed because of GetScalarRange
+ output = reader.GetOutput()
+ scalar_range = output.GetScalarRange()
+ mapper = vtkDataSetMapper()
+ mapper.SetInput(output)
+ mapper.SetScalarRange(scalar_range)
+
+ # Create the Actor
+ actor = vtkActor()
+ actor.SetMapper(mapper)
+ return actor
+
+
+ def RenderUpdate(self, obj, event):
+ if(self.lastVTU()!=self.filename):
+ print("updejt")
+ self.renderer.RemoveActor(self.actor)
+ self.actor=self.lastActor()
+ self.renderer.AddActor(self.actor)
+ self.renderer_window.Render()
+ #self.render.RemoveActor(self.actor)
+
+ return
diff --git a/python/trisurf/tsmgr.py b/python/trisurf/tsmgr.py
index 2ed84ac..d973360 100644
--- a/python/trisurf/tsmgr.py
+++ b/python/trisurf/tsmgr.py
@@ -15,6 +15,7 @@
else:
from urlparse import urlparse
from vtk import *
+ from . import VTKRendering
#import io
@@ -203,65 +204,11 @@
def preview_vtu(args,host):
#only for localhost at the moment
- Dir=trisurf.Directory(maindir=host['runs'][0].maindir,simdir=host['runs'][0].subdir)
- filename=os.path.join("./",Dir.fullpath(),host['runs'][0].getLastVTU())
- print(filename)
if sys.version_info>=(3,0):
print("Preview works only with python 2.7")
exit(1)
if host['name'] == socket.gethostname():
- target_runs=getTargetRunIdxList(args)
- #if target_runs==None:
- # target_runs=list(range(1,len(host['runs'])+1))
- #for i in target_runs:
- # host['runs'][i-1].start()
- reader=vtkXMLUnstructuredGridReader()
- reader.SetFileName(filename)
- reader.Update() # Needed because of GetScalarRange
- output = reader.GetOutput()
- scalar_range = output.GetScalarRange()
-
- # Create the mapper that corresponds the objects of the vtk file
- # into graphics elements
- mapper = vtkDataSetMapper()
- mapper.SetInput(output)
- mapper.SetScalarRange(scalar_range)
-
- # Create the Actor
- actor = vtkActor()
- actor.SetMapper(mapper)
-
- # Create the Renderer
- renderer = vtkRenderer()
- renderer.AddActor(actor)
- renderer.SetBackground(0, 0, 0) # Set background to white
-
- # Create the RendererWindow
- renderer_window = vtkRenderWindow()
- renderer_window.AddRenderer(renderer)
-
-# Set up a check for aborting rendering.
- # Create the RendererWindowInteractor and display the vtk_file
- interactor = vtkRenderWindowInteractor()
- interactor.SetRenderWindow(renderer_window)
- interactor.Initialize()
-# interactor.AddObserver("TimerEvent", RenderUpdate)
-# timerIDR = interactor.CreateRepeatingTimer(1000)
- interactor.Start()
-
-def RenderUpdate(obj, event):
- # obj will be the object generating the event. In this case it
- # is renWin
- window=obj.GetRenderWindow() #.GetRenderer()
- renderer=window.GetRenderers()
- try:
- actor=renderer.GetActors()
- except:
- pass
- actor=renderer.GetActors()
- print(actor)
-
-
+ VTKRendering.Renderer(args,host)
def getListOfHostConfigurationByHostname(hosts,host):
rhost=[]
--
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