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three_planes.py
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three_planes.py
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__author__ = 'santiago'
import Tkinter as tk
import vtk
import sys
class ImageModification(object):
def __init__(self,delta,wing):
self.print_counter=6
ren = vtk.vtkRenderer()
self.geo_reader = vtk.vtkUnstructuredGridReader()
self.geo_reader.SetFileName(wing)
self.vec_reader = vtk.vtkStructuredPointsReader()
self.vec_reader.SetFileName(delta)
geo_Mapper=vtk.vtkDataSetMapper()
geo_Mapper.SetInputConnection(self.geo_reader.GetOutputPort())
#glyph actor
geo_actor = vtk.vtkActor()
geo_actor.SetMapper(geo_Mapper)
ren.AddActor(geo_actor)
self.arrowColor = vtk.vtkColorTransferFunction()
self.update_look_up_table()
self.plane1=None
for i in range(0,3):
if i==0:
x=32.30 ##46.14
if i==1:
x=113.86
if i==2:
x=216.94 ##213.86
plane_mapper=self.create_cut_acto_plane(x)
ren.AddActor(self.create_glyph(plane_mapper))
#Add renderer to renderwindow and render
self.renWin = vtk.vtkRenderWindow()
self.renWin.AddRenderer(ren)
self.renWin.SetSize(1920, 1080)
iren = vtk.vtkRenderWindowInteractor()
iren.SetRenderWindow(self.renWin)
iren.AddObserver('RightButtonPressEvent', self.capture_image, 1.0)
"""
#Slider 1
sliderRep1=vtk.vtkSliderWidget()
sliderRep1.SetInteractor(iren)
sliderRep1.SetRepresentation(self.create_color_slider("X-Position",0.02,0.15,0,220))
sliderRep1.SetEnabled(True)
sliderRep1.AddObserver("InteractionEvent", self.change_iso)
"""
# Scalar Bar actor
scalar_bar = vtk.vtkScalarBarActor()
scalar_bar.SetOrientationToHorizontal()
scalar_bar.SetLookupTable(self.arrowColor)
scalar_bar.SetTitle("Color map")
scalar_bar.SetLabelFormat("%5.2f")
scalar_bar.SetMaximumHeightInPixels(300)
scalar_bar.SetMaximumWidthInPixels(100)
# Scalar Bar Widget
scalar_bar_widget = vtk.vtkScalarBarWidget()
scalar_bar_widget.SetInteractor(iren)
scalar_bar_widget.SetScalarBarActor(scalar_bar)
scalar_bar_widget.On()
ren.SetBackground(0,0,0)
self.renWin.Render()
iren.Start()
def change_iso(self,obj,event):
self.plane1.SetOrigin(obj.GetSliderRepresentation().GetValue(),0,0)
def create_color_slider(self,name,left,right,down,up,default_value=0.02):
slider=vtk.vtkSliderRepresentation2D()
slider.SetMinimumValue(down)
slider.SetMaximumValue(up)
slider.SetValue(default_value)
slider.SetTitleText(name)
slider.SetLabelFormat("%5.2f")
slider.GetPoint1Coordinate().SetCoordinateSystemToNormalizedDisplay()
slider.GetPoint1Coordinate().SetValue(left, 0.1)
slider.GetPoint2Coordinate().SetCoordinateSystemToNormalizedDisplay()
slider.GetPoint2Coordinate().SetValue(right, 0.1)
return slider
def update_look_up_table(self):
self.arrowColor.AddRGBPoint(0, 1.0, 0.0, 0.0)
self.arrowColor.AddRGBPoint(60, 0.0, 1.0, 0.0)
self.arrowColor.AddRGBPoint(120, 0.0, 0.0, 1.0)
def create_glyph(self,plane_mapper):
#in here we do the arrows
arrows = vtk.vtkArrowSource()
ptMask = vtk.vtkMaskPoints()
ptMask.SetInputConnection(plane_mapper.GetOutputPort())
ptMask.SetOnRatio(10)
ptMask.RandomModeOn()
#in here we do the glyohs
glyph = vtk.vtkGlyph3D()
glyph.SetSourceConnection(arrows.GetOutputPort())
glyph.SetInputConnection(ptMask.GetOutputPort())
glyph.SetColorModeToColorByVector()
glyph.SetScaleFactor(20)
#Glyph mapper
gly_mapper = vtk.vtkPolyDataMapper()
gly_mapper.SetInputConnection(glyph.GetOutputPort())
gly_mapper.SetLookupTable(self.arrowColor)
#glyph actor
gly_actor = vtk.vtkActor()
gly_actor.SetMapper(gly_mapper)
return gly_actor
def create_cut_acto_plane(self,xpos):
#vtk plane
plane=vtk.vtkPlane()
plane.SetOrigin(xpos,0,0)
plane.SetNormal(1,0,0)
#create cutter
cutter=vtk.vtkCutter()
cutter.SetCutFunction(plane)
cutter.SetInputConnection(self.vec_reader.GetOutputPort())
cutter.Update()
#probe filter for the cutting plane
probe_filter=vtk.vtkProbeFilter()
probe_filter.SetInputConnection(cutter.GetOutputPort())
probe_filter.SetSourceConnection(self.vec_reader.GetOutputPort())
if xpos>170 and xpos <220:
self.plane1=plane
return probe_filter
def capture_image(self,obj,eve):
self.renWin.Render()
self.w2i = vtk.vtkWindowToImageFilter()
self.w2i.SetInput(self.renWin)
self.writer = vtk.vtkJPEGWriter()
self.writer.SetInputConnection(self.w2i.GetOutputPort())
self.writer.SetFileName(`self.print_counter` + "vectorscreen.jpg");
self.print_counter =1 + self.print_counter
self.writer.Write()
if __name__ == '__main__':
delta =sys.argv[0:][1]
wing =sys.argv[0:][2]
ImageModification(delta,wing)