print('With Shrink Filter (NS)') # En 3D, le shrink ne doit pas se faire sur la geometrie car elle ne represente que la peau shrink = svtk.svtkShrinkFilter() shrink.SetInputConnection(geometry.GetOutputPort()) shrink.SetShrinkFactor(.8) else: print('No Shrink Filter (NS)') shrink = geometry # LookupTable lut = svtk.svtkLookupTable() lut.SetHueRange(0.66, 0) lut.Build() # Mappers mapper = svtk.svtkDataSetMapper() mapper.SetInputConnection(shrink.GetOutputPort()) shrink.Update() dataRange = shrink.GetOutput().GetCellData().GetArray('scalar').GetRange() print('DataRange (after shrink): ', dataRange) mapper.SetLookupTable(lut) mapper.SetColorModeToMapScalars() mapper.SetScalarModeToUseCellFieldData() mapper.SelectColorArray('scalar') mapper.SetScalarRange(dataRange[0], dataRange[1]) # Actors actor = svtk.svtkActor() actor.SetMapper(mapper)
t1 = svtk.svtkMatrixToLinearTransform() m1 = svtk.svtkMatrix4x4() t1.SetInput(m1) m1.SetElement(0, 0, 1.127631) m1.SetElement(0, 1, 0.205212) m1.SetElement(0, 2, -0.355438) m1.SetElement(1, 0, 0.000000) m1.SetElement(1, 1, 0.692820) m1.SetElement(1, 2, 0.400000) m1.SetElement(2, 0, 0.200000) m1.SetElement(2, 1, -0.469846) m1.SetElement(2, 2, 0.813798) f11 = svtk.svtkTransformPolyDataFilter() f11.SetInputConnection(ap.GetOutputPort()) f11.SetTransform(t1) m11 = svtk.svtkDataSetMapper() m11.SetInputConnection(f11.GetOutputPort()) a11 = svtk.svtkActor() a11.SetMapper(m11) a11.GetProperty().SetColor(1, 0, 0) a11.GetProperty().SetRepresentationToWireframe() ren11 = svtk.svtkRenderer() ren11.SetViewport(0.0, 0.5, 0.25, 1.0) ren11.ResetCamera(-0.5, 0.5, -0.5, 0.5, -1, 1) ren11.AddActor(a11) renWin.AddRenderer(ren11) # inverse identity transform f12 = svtk.svtkTransformPolyDataFilter() f12.SetInputConnection(ap.GetOutputPort()) f12.SetTransform(t1.GetInverse()) m12 = svtk.svtkDataSetMapper()
points.InsertPoint(9, 1, 0.5, 0) points.InsertPoint(10, 0.5, 1, 0) points.InsertPoint(11, 0, 0.5, 0) points.InsertPoint(12, 0.5, 0.5, 0) i = 0 while i < 13: aConvex.GetPointIds().InsertId(i, i) i += 1 aConvexGrid = svtk.svtkUnstructuredGrid() aConvexGrid.Allocate(1, 1) aConvexGrid.InsertNextCell(aConvex.GetCellType(), aConvex.GetPointIds()) aConvexGrid.SetPoints(points) # Display the cell dsm = svtk.svtkDataSetMapper() dsm.SetInputData(aConvexGrid) a = svtk.svtkActor() a.SetMapper(dsm) a.GetProperty().SetColor(0, 1, 0) # Contour and clip the cell with elevation scalars ele = svtk.svtkElevationFilter() ele.SetInputData(aConvexGrid) ele.SetLowPoint(-1, -1, -1) ele.SetHighPoint(1, 1, 1) ele.SetScalarRange(-1, 1) # Clip # clip = svtk.svtkClipDataSet()
aPolyVertexGrid.GetPointData().SetScalars(sizes) aPolyVertexGrid.GetPointData().AddArray(colors) sphere = svtk.svtkSphereSource() sphere.SetRadius(1.0) sphere.Update() glyphs = svtk.svtkGlyph3D() glyphs.ScalingOn() glyphs.SetColorModeToColorByScalar() glyphs.SetScaleModeToScaleByScalar() glyphs.SetScaleFactor(1) glyphs.SetInputData(aPolyVertexGrid) glyphs.SetSourceConnection(sphere.GetOutputPort()) glyphs.SetInputArrayToProcess(0, 0, 0, 0, "Sizes") glyphs.SetInputArrayToProcess(3, 0, 0, 0, "Colors") #puts [ glyphs GetScaleModeAsString] glyphsMapper = svtk.svtkDataSetMapper() glyphsMapper.SetInputConnection(glyphs.GetOutputPort()) glyphsActor = svtk.svtkActor() glyphsActor.SetMapper(glyphsMapper) glyphsActor.GetProperty().BackfaceCullingOn() ren1.SetBackground(.1, .2, .4) ren1.AddActor(glyphsActor) glyphsActor.GetProperty().SetDiffuseColor(1, 1, 1) ren1.ResetCamera() ren1.GetActiveCamera().Azimuth(30) ren1.GetActiveCamera().Elevation(20) ren1.GetActiveCamera().Dolly(1.25) ren1.ResetCameraClippingRange() renWin.Render() # render the image #
edgePoints.InsertPoint(2, 0.5, 0.25, 0) edgeScalars = svtk.svtkFloatArray() edgeScalars.SetNumberOfTuples(3) edgeScalars.InsertValue(0, 0.0) edgeScalars.InsertValue(1, 0.0) edgeScalars.InsertValue(2, 0.9) aEdge = svtk.svtkQuadraticEdge() aEdge.GetPointIds().SetId(0, 0) aEdge.GetPointIds().SetId(1, 1) aEdge.GetPointIds().SetId(2, 2) aEdgeGrid = svtk.svtkUnstructuredGrid() aEdgeGrid.Allocate(1, 1) aEdgeGrid.InsertNextCell(aEdge.GetCellType(), aEdge.GetPointIds()) aEdgeGrid.SetPoints(edgePoints) aEdgeGrid.GetPointData().SetScalars(edgeScalars) aEdgeMapper = svtk.svtkDataSetMapper() aEdgeMapper.SetInputData(aEdgeGrid) aEdgeMapper.ScalarVisibilityOff() aEdgeActor = svtk.svtkActor() aEdgeActor.SetMapper(aEdgeMapper) aEdgeActor.GetProperty().SetRepresentationToWireframe() aEdgeActor.GetProperty().SetAmbient(1.0) # Quadratic triangle triPoints = svtk.svtkPoints() triPoints.SetNumberOfPoints(6) triPoints.InsertPoint(0, 0.0, 0.0, 0.0) triPoints.InsertPoint(1, 1.0, 0.0, 0.0) triPoints.InsertPoint(2, 0.5, 0.8, 0.0) triPoints.InsertPoint(3, 0.5, 0.0, 0.0) triPoints.InsertPoint(4, 0.75, 0.4, 0.0)
def testQuadricCut(self): solidTexture = (255, 255) clearTexture = (255, 0) edgeTexture = (0, 255) def makeBooleanTexture(caseNumber, resolution, thickness): #global solidTexture, clearTexture, edgeTexture booleanTexturecaseNumber = svtk.svtkBooleanTexture() booleanTexturecaseNumber.SetXSize(resolution) booleanTexturecaseNumber.SetYSize(resolution) booleanTexturecaseNumber.SetThickness(thickness) if caseNumber == 0: booleanTexturecaseNumber.SetInIn(solidTexture) booleanTexturecaseNumber.SetOutIn(solidTexture) booleanTexturecaseNumber.SetInOut(solidTexture) booleanTexturecaseNumber.SetOutOut(solidTexture) booleanTexturecaseNumber.SetOnOn(solidTexture) booleanTexturecaseNumber.SetOnIn(solidTexture) booleanTexturecaseNumber.SetOnOut(solidTexture) booleanTexturecaseNumber.SetInOn(solidTexture) booleanTexturecaseNumber.SetOutOn(solidTexture) elif caseNumber == 1: booleanTexturecaseNumber.SetInIn(clearTexture) booleanTexturecaseNumber.SetOutIn(solidTexture) booleanTexturecaseNumber.SetInOut(solidTexture) booleanTexturecaseNumber.SetOutOut(solidTexture) booleanTexturecaseNumber.SetOnOn(edgeTexture) booleanTexturecaseNumber.SetOnIn(edgeTexture) booleanTexturecaseNumber.SetOnOut(solidTexture) booleanTexturecaseNumber.SetInOn(edgeTexture) elif caseNumber == 2: booleanTexturecaseNumber.SetInIn(solidTexture) booleanTexturecaseNumber.SetOutIn(clearTexture) booleanTexturecaseNumber.SetInOut(solidTexture) booleanTexturecaseNumber.SetOutOut(solidTexture) booleanTexturecaseNumber.SetOnOn(edgeTexture) booleanTexturecaseNumber.SetOnIn(edgeTexture) booleanTexturecaseNumber.SetOnOut(solidTexture) booleanTexturecaseNumber.SetInOn(solidTexture) booleanTexturecaseNumber.SetOutOn(edgeTexture) elif caseNumber == 3: booleanTexturecaseNumber.SetInIn(clearTexture) booleanTexturecaseNumber.SetOutIn(clearTexture) booleanTexturecaseNumber.SetInOut(solidTexture) booleanTexturecaseNumber.SetOutOut(solidTexture) booleanTexturecaseNumber.SetOnOn(edgeTexture) booleanTexturecaseNumber.SetOnIn(clearTexture) booleanTexturecaseNumber.SetOnOut(solidTexture) booleanTexturecaseNumber.SetInOn(edgeTexture) booleanTexturecaseNumber.SetOutOn(edgeTexture) elif caseNumber == 4: booleanTexturecaseNumber.SetInIn(solidTexture) booleanTexturecaseNumber.SetOutIn(solidTexture) booleanTexturecaseNumber.SetInOut(clearTexture) booleanTexturecaseNumber.SetOutOut(solidTexture) booleanTexturecaseNumber.SetOnOn(edgeTexture) booleanTexturecaseNumber.SetOnIn(solidTexture) booleanTexturecaseNumber.SetOnOut(edgeTexture) booleanTexturecaseNumber.SetInOn(edgeTexture) booleanTexturecaseNumber.SetOutOn(solidTexture) elif caseNumber == 5: booleanTexturecaseNumber.SetInIn(clearTexture) booleanTexturecaseNumber.SetOutIn(solidTexture) booleanTexturecaseNumber.SetInOut(clearTexture) booleanTexturecaseNumber.SetOutOut(solidTexture) booleanTexturecaseNumber.SetOnOn(edgeTexture) booleanTexturecaseNumber.SetOnIn(edgeTexture) booleanTexturecaseNumber.SetOnOut(edgeTexture) booleanTexturecaseNumber.SetInOn(clearTexture) booleanTexturecaseNumber.SetOutOn(solidTexture) elif caseNumber == 6: booleanTexturecaseNumber.SetInIn(solidTexture) booleanTexturecaseNumber.SetOutIn(clearTexture) booleanTexturecaseNumber.SetInOut(clearTexture) booleanTexturecaseNumber.SetOutOut(solidTexture) booleanTexturecaseNumber.SetOnOn(edgeTexture) booleanTexturecaseNumber.SetOnIn(edgeTexture) booleanTexturecaseNumber.SetOnOut(edgeTexture) booleanTexturecaseNumber.SetInOn(edgeTexture) booleanTexturecaseNumber.SetOutOn(edgeTexture) elif caseNumber == 7: booleanTexturecaseNumber.SetInIn(clearTexture) booleanTexturecaseNumber.SetOutIn(clearTexture) booleanTexturecaseNumber.SetInOut(clearTexture) booleanTexturecaseNumber.SetOutOut(solidTexture) booleanTexturecaseNumber.SetOnOn(edgeTexture) booleanTexturecaseNumber.SetOnIn(clearTexture) booleanTexturecaseNumber.SetOnOut(edgeTexture) booleanTexturecaseNumber.SetInOn(clearTexture) booleanTexturecaseNumber.SetOutOn(edgeTexture) elif caseNumber == 8: booleanTexturecaseNumber.SetInIn(solidTexture) booleanTexturecaseNumber.SetOutIn(solidTexture) booleanTexturecaseNumber.SetInOut(solidTexture) booleanTexturecaseNumber.SetOutOut(clearTexture) booleanTexturecaseNumber.SetOnOn(edgeTexture) booleanTexturecaseNumber.SetOnIn(solidTexture) booleanTexturecaseNumber.SetOnOut(edgeTexture) booleanTexturecaseNumber.SetInOn(solidTexture) booleanTexturecaseNumber.SetOutOn(edgeTexture) elif caseNumber == 9: booleanTexturecaseNumber.SetInIn(clearTexture) booleanTexturecaseNumber.SetInOut(solidTexture) booleanTexturecaseNumber.SetOutIn(solidTexture) booleanTexturecaseNumber.SetOutOut(clearTexture) booleanTexturecaseNumber.SetOnOn(edgeTexture) booleanTexturecaseNumber.SetOnIn(edgeTexture) booleanTexturecaseNumber.SetOnOut(edgeTexture) booleanTexturecaseNumber.SetInOn(edgeTexture) booleanTexturecaseNumber.SetOutOn(edgeTexture) elif caseNumber == 10: booleanTexturecaseNumber.SetInIn(solidTexture) booleanTexturecaseNumber.SetInOut(solidTexture) booleanTexturecaseNumber.SetOutIn(clearTexture) booleanTexturecaseNumber.SetOutOut(clearTexture) booleanTexturecaseNumber.SetOnOn(edgeTexture) booleanTexturecaseNumber.SetOnIn(edgeTexture) booleanTexturecaseNumber.SetOnOut(edgeTexture) booleanTexturecaseNumber.SetInOn(solidTexture) booleanTexturecaseNumber.SetOutOn(clearTexture) elif caseNumber == 11: booleanTexturecaseNumber.SetInIn(clearTexture) booleanTexturecaseNumber.SetInOut(solidTexture) booleanTexturecaseNumber.SetOutIn(clearTexture) booleanTexturecaseNumber.SetOutOut(clearTexture) booleanTexturecaseNumber.SetOnOn(edgeTexture) booleanTexturecaseNumber.SetOnIn(clearTexture) booleanTexturecaseNumber.SetOnOut(edgeTexture) booleanTexturecaseNumber.SetInOn(edgeTexture) booleanTexturecaseNumber.SetOutOn(clearTexture) elif caseNumber == 12: booleanTexturecaseNumber.SetInIn(solidTexture) booleanTexturecaseNumber.SetInOut(clearTexture) booleanTexturecaseNumber.SetOutIn(solidTexture) booleanTexturecaseNumber.SetOutOut(clearTexture) booleanTexturecaseNumber.SetOnOn(edgeTexture) booleanTexturecaseNumber.SetOnIn(solidTexture) booleanTexturecaseNumber.SetOnOut(clearTexture) booleanTexturecaseNumber.SetInOn(edgeTexture) booleanTexturecaseNumber.SetOutOn(edgeTexture) elif caseNumber == 13: booleanTexturecaseNumber.SetInIn(clearTexture) booleanTexturecaseNumber.SetInOut(clearTexture) booleanTexturecaseNumber.SetOutIn(solidTexture) booleanTexturecaseNumber.SetOutOut(clearTexture) booleanTexturecaseNumber.SetOnOn(edgeTexture) booleanTexturecaseNumber.SetOnIn(edgeTexture) booleanTexturecaseNumber.SetOnOut(clearTexture) booleanTexturecaseNumber.SetInOn(clearTexture) booleanTexturecaseNumber.SetOutOn(edgeTexture) elif caseNumber == 14: booleanTexturecaseNumber.SetInIn(solidTexture) booleanTexturecaseNumber.SetInOut(clearTexture) booleanTexturecaseNumber.SetOutIn(clearTexture) booleanTexturecaseNumber.SetOutOut(clearTexture) booleanTexturecaseNumber.SetOnOn(edgeTexture) booleanTexturecaseNumber.SetOnIn(edgeTexture) booleanTexturecaseNumber.SetOnOut(clearTexture) booleanTexturecaseNumber.SetInOn(edgeTexture) booleanTexturecaseNumber.SetOutOn(clearTexture) elif caseNumber == 15: booleanTexturecaseNumber.SetInIn(clearTexture) booleanTexturecaseNumber.SetInOut(clearTexture) booleanTexturecaseNumber.SetOutIn(clearTexture) booleanTexturecaseNumber.SetOutOut(clearTexture) booleanTexturecaseNumber.SetOnOn(clearTexture) booleanTexturecaseNumber.SetOnIn(clearTexture) booleanTexturecaseNumber.SetOnOut(clearTexture) booleanTexturecaseNumber.SetInOn(clearTexture) booleanTexturecaseNumber.SetOutOn(clearTexture) booleanTexturecaseNumber.Update() return booleanTexturecaseNumber # A list of positions positions = [] positions.append((-4, 4, 0)) positions.append((-2, 4, 0)) positions.append((0, 4, 0)) positions.append((2, 4, 0)) positions.append((-4, 2, 0)) positions.append((-2, 2, 0)) positions.append((0, 2, 0)) positions.append((2, 2, 0)) positions.append((-4, 0, 0)) positions.append((-2, 0, 0)) positions.append((0, 0, 0)) positions.append((2, 0, 0)) positions.append((-4, -2, 0)) positions.append((-2, -2, 0)) positions.append((0, -2, 0)) positions.append((2, -2, 0)) ren = svtk.svtkRenderer() renWin = svtk.svtkRenderWindow() renWin.AddRenderer(ren) # define two elliptical cylinders quadric1 = svtk.svtkQuadric() quadric1.SetCoefficients(1, 2, 0, 0, 0, 0, 0, 0, 0, -.07) quadric2 = svtk.svtkQuadric() quadric2.SetCoefficients(2, 1, 0, 0, 0, 0, 0, 0, 0, -.07) # create a sphere for all to use aSphere = svtk.svtkSphereSource() aSphere.SetPhiResolution(50) aSphere.SetThetaResolution(50) # create texture coordinates for all tcoords = svtk.svtkImplicitTextureCoords() tcoords.SetInputConnection(aSphere.GetOutputPort()) tcoords.SetRFunction(quadric1) tcoords.SetSFunction(quadric2) aMapper = svtk.svtkDataSetMapper() aMapper.SetInputConnection(tcoords.GetOutputPort()) # create a mapper, sphere and texture map for each case aTexture = [] anActor = [] for i in range(0, 16): aTexture.append(svtk.svtkTexture()) aTexture[i].SetInputData(makeBooleanTexture(i, 256, 1).GetOutput()) aTexture[i].InterpolateOff() aTexture[i].RepeatOff() anActor.append(svtk.svtkActor()) anActor[i].SetMapper(aMapper) anActor[i].SetTexture(aTexture[i]) anActor[i].SetPosition(positions[i]) anActor[i].SetScale(2.0, 2.0, 2.0) ren.AddActor(anActor[i]) ren.SetBackground(0.4392, 0.5020, 0.5647) ren.ResetCamera() ren.GetActiveCamera().Zoom(1.4) renWin.SetSize(500, 500) # render and interact with data iRen = svtk.svtkRenderWindowInteractor() iRen.SetRenderWindow(renWin) renWin.Render() img_file = "quadricCut.png" svtk.test.Testing.compareImage( iRen.GetRenderWindow(), svtk.test.Testing.getAbsImagePath(img_file), threshold=25) svtk.test.Testing.interact()