From 0d561cb2531d293ff8f4cee2f73a242e56547139 Mon Sep 17 00:00:00 2001
From: Samo Penic <samo.penic@gmail.com>
Date: Fri, 20 Jan 2017 21:03:21 +0000
Subject: [PATCH] Now commiting correctly. Really. I promise
---
trisurf/VTKRendering.py | 33 +++++++++++++++++++++++++++++----
1 files changed, 29 insertions(+), 4 deletions(-)
diff --git a/trisurf/VTKRendering.py b/trisurf/VTKRendering.py
index 0ddb5a0..9080a9a 100644
--- a/trisurf/VTKRendering.py
+++ b/trisurf/VTKRendering.py
@@ -80,20 +80,22 @@
class Renderer:
- def __init__(self,args,host,run):
+ def __init__(self,args,host,run, timestep=-1, scalar_field='vertices_idx'):
self.host=host
self.args=args
self.run=run
+ self.timestep=timestep
+ self.scalar_field=scalar_field
self.renderer = vtkRenderer()
self.actor=self.lastActor()
self.textactor=self.textActor()
self.renderer.AddActor(self.actor)
self.renderer.AddActor(self.textactor)
- self.renderer.SetBackground(0, 0, 0) # Set background to white
+ self.renderer.SetBackground(81/255, 87/255, 110/255) # Set background to nicely grey
# Create the RendererWindow
self.renderer_window = vtkRenderWindow()
self.renderer_window.AddRenderer(self.renderer)
- self.renderer_window.SetSize(1200,600)
+ self.renderer_window.SetSize(800,800)
# self.renderer.SetViewport(0.0,0.0,0.5,1.0)
# rend=vtk.vtkRenderer()
@@ -128,16 +130,39 @@
return textactor
def lastActor(self):
- self.filename=self.lastVTU()
+ if(self.timestep<0):
+ self.filename=self.lastVTU()
+ else:
+ self.filename=os.path.join("./",self.run.Dir.fullpath(),'timestep_{:06d}.vtu'.format(self.timestep))
reader=vtkXMLUnstructuredGridReader()
reader.SetFileName(self.filename)
reader.Update() # Needed because of GetScalarRange
output = reader.GetOutput()
+ output.GetPointData().SetActiveScalars(self.scalar_field)
scalar_range = output.GetScalarRange()
mapper = vtkDataSetMapper()
mapper.SetInputData(output)
mapper.SetScalarRange(scalar_range)
+
+ #color lookuptables
+ #lut = vtk.vtkLookupTable()
+ #lut.SetHueRange(0.5, 0.6)
+ #lut.SetSaturationRange(0, 1)
+ #lut.SetValueRange(0, 1)
+ #mapper.SetLookupTable(lut)
+ #advanced lookuptables...
+ lut = vtk.vtkLookupTable()
+ lutNum = 256
+ lut.SetNumberOfTableValues(lutNum)
+ ctf = vtk.vtkColorTransferFunction()
+ ctf.SetColorSpaceToDiverging()
+ ctf.AddRGBPoint(0.0, 0.230, 0.299, 0.754)
+ ctf.AddRGBPoint(1.0, 0.706, 0.016, 0.150)
+ for ii,ss in enumerate([float(xx)/float(lutNum) for xx in range(lutNum)]):
+ cc = ctf.GetColor(ss)
+ lut.SetTableValue(ii,cc[0],cc[1],cc[2],1.0)
+ mapper.SetLookupTable(lut)
# Create the Actor
actor = vtkActor()
actor.SetMapper(mapper)
--
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