| import os |
| from paraview.simple import * |
|
|
| SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__)) |
| VTI_PATH = os.path.join(SCRIPT_DIR, '..', 'vti_data', 'RTI_velocity_0040.vti') |
| OUTPUT_IMG = os.path.join(SCRIPT_DIR, 'gt_image.png') |
| OUTPUT_STATE = os.path.join(SCRIPT_DIR, 'gt_state.pvsm') |
|
|
| reader = XMLImageDataReader(FileName=[VTI_PATH]) |
| reader.UpdatePipeline() |
|
|
| gradient = GradientOfUnstructuredDataSet(Input=reader) |
| gradient.ScalarArray = ['POINTS', 'vector'] |
| gradient.ComputeDivergence = 1 |
| gradient.ComputeGradient = 0 |
| gradient.DivergenceArrayName = 'Divergence' |
| gradient.UpdatePipeline() |
|
|
| sliceFilter = Slice(Input=gradient) |
| sliceFilter.SliceType = 'Plane' |
| sliceFilter.SliceType.Origin = [63.5, 63.5, 64.0] |
| sliceFilter.SliceType.Normal = [0.0, 0.0, 1.0] |
| sliceFilter.UpdatePipeline() |
|
|
| renderView = GetActiveViewOrCreate('RenderView') |
| renderView.ViewSize = [1024, 1024] |
| renderView.Background = [1.0, 1.0, 1.0] |
|
|
| sliceDisplay = Show(sliceFilter, renderView) |
| sliceDisplay.Representation = 'Surface' |
| ColorBy(sliceDisplay, ('POINTS', 'Divergence')) |
|
|
| divLUT = GetColorTransferFunction('Divergence') |
| divLUT.ApplyPreset('Cool to Warm', True) |
|
|
| sliceDisplay.SetScalarBarVisibility(renderView, True) |
| colorBar = GetScalarBar(divLUT, renderView) |
| colorBar.Title = 'Velocity Divergence' |
| colorBar.ComponentTitle = '' |
|
|
| renderView.CameraPosition = [63.5, 63.5, 250.0] |
| renderView.CameraFocalPoint = [63.5, 63.5, 64.0] |
| renderView.CameraViewUp = [0.0, 1.0, 0.0] |
| renderView.ResetCamera() |
| Render() |
|
|
| SaveScreenshot(OUTPUT_IMG, renderView, ImageResolution=[1024, 1024]) |
| SaveState(OUTPUT_STATE) |
| print(f"Task 13 done: {OUTPUT_IMG}") |
|
|
