Update IPTS-21442/pv.py

IPTS-21442/pv.py

+#### import the simple module from the paraview
+from paraview.simple import *
+
+# create a new 'Image Reader'
+ringraw = ImageReader(FilePrefix='/SNS/users/rwp/wand/IPTS-21442/ring.raw')
+
+ringraw.DataScalarType = 'double'
+ringraw.DataByteOrder = 'LittleEndian'
+ringraw.DataExtent = [0, 40, 0, 40, 0, 24]
+ringraw.DataSpacing = [1.0, 1.0, 2.0]
+
+# get active view
+renderView1 = GetActiveViewOrCreate('RenderView')
+
+# uncomment following to set a specific view size
+# renderView1.ViewSize = [1106, 1633]
+
+# show data in view
+ringrawDisplay = Show(ringraw, renderView1)
+
+# reset view to fit data
+# renderView1.ResetCamera()
+
+# change representation type
+ringrawDisplay.SetRepresentationType('Volume')
+
+# set scalar coloring
+ColorBy(ringrawDisplay, ('POINTS', 'ImageFile'))
+
+# get color transfer function/color map for 'ImageFile'
+imageFileLUT = GetColorTransferFunction('ImageFile')
+
+# get opacity transfer function/opacity map for 'ImageFile'
+imageFilePWF = GetOpacityTransferFunction('ImageFile')
+
+# show color bar/color legend
+ringrawDisplay.SetScalarBarVisibility(renderView1, True)
+
+# Rescale transfer function
+imageFileLUT.RescaleTransferFunction(0.0, 10.0)
+
+# Rescale transfer function
+imageFilePWF.RescaleTransferFunction(4.0, 10.0)
+
+# Apply a preset using its name. Note this may not work as expected when presets have duplicate names.
+imageFileLUT.ApplyPreset('Inferno (matplotlib)', True)
+
+renderView1.CameraViewUp = [0,0,1]
+renderView1.CameraPosition = [100, 100, -50]
+
+scene = GetAnimationScene()
+scene.NumberOfFrames = 100
+
+cameraAnimationCue1 = GetCameraTrack(view=renderView1)
+
+import vtk
+p=vtk.vtkSMUtilities.CreateOrbit((0,0,0), (0,0,1), 7, (100,100,-50))
+keyFrame0 = CameraKeyFrame()
+keyFrame0.PositionPathPoints = sum([list(p.GetPoint(n)) for n in range(p.GetNumberOfPoints())], [])
+keyFrame0.ClosedPositionPath = 1
+keyFrame1 = CameraKeyFrame()
+keyFrame1.KeyTime = 1.0
+
+cameraAnimationCue1.KeyFrames = [keyFrame0, keyFrame1]
+
+SaveAnimation('/tmp/Skyrmion.png', renderView1, ImageResolution=[600, 600], FrameWindow=[0, 99])
+
+#### uncomment the following to render all views
+# RenderAllViews()
+# alternatively, if you want to write images, you can use SaveScreenshot(...).