[2320] | 1 | /* -*- mode: c++; c-basic-offset: 4; indent-tabs-mode: nil -*- */ |
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| 2 | /* |
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[3177] | 3 | * Copyright (C) 2004-2012 HUBzero Foundation, LLC |
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[2320] | 4 | * |
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| 5 | * Author: Leif Delgass <ldelgass@purdue.edu> |
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| 6 | */ |
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| 7 | |
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| 8 | #include <cassert> |
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| 9 | |
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| 10 | #include <vtkActor.h> |
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| 11 | #include <vtkProperty.h> |
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| 12 | #include <vtkPointData.h> |
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| 13 | #include <vtkCellData.h> |
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| 14 | #include <vtkCellDataToPointData.h> |
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| 15 | #include <vtkImageData.h> |
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| 16 | #include <vtkPolyData.h> |
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| 17 | #include <vtkDataSetMapper.h> |
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| 18 | #include <vtkPainterPolyDataMapper.h> |
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| 19 | #include <vtkDataSetSurfaceFilter.h> |
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[2459] | 20 | #include <vtkCutter.h> |
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| 21 | #include <vtkImageMask.h> |
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| 22 | #include <vtkImageCast.h> |
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[3682] | 23 | #include <vtkDelaunay2D.h> |
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| 24 | #include <vtkDelaunay3D.h> |
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| 25 | #include <vtkTransform.h> |
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[2320] | 26 | |
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[3616] | 27 | #include "LIC.h" |
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[2320] | 28 | #include "Trace.h" |
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| 29 | |
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[3615] | 30 | using namespace VtkVis; |
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[2320] | 31 | |
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| 32 | LIC::LIC() : |
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[3621] | 33 | GraphicsObject(), |
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[2402] | 34 | _sliceAxis(Z_AXIS), |
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[4530] | 35 | _colorMap(NULL), |
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| 36 | _resolution(128) |
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[2320] | 37 | { |
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| 38 | } |
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| 39 | |
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| 40 | LIC::~LIC() |
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| 41 | { |
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[2573] | 42 | #ifdef WANT_TRACE |
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| 43 | if (_dataSet != NULL) |
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| 44 | TRACE("Deleting LIC for %s", _dataSet->getName().c_str()); |
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| 45 | else |
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| 46 | TRACE("Deleting LIC with NULL DataSet"); |
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| 47 | #endif |
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[2320] | 48 | } |
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| 49 | |
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| 50 | void LIC::initProp() |
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| 51 | { |
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| 52 | if (_prop == NULL) { |
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| 53 | _prop = vtkSmartPointer<vtkActor>::New(); |
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[2328] | 54 | vtkProperty *property = getActor()->GetProperty(); |
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| 55 | property->SetOpacity(_opacity); |
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| 56 | property->SetEdgeColor(_edgeColor[0], _edgeColor[1], _edgeColor[2]); |
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| 57 | property->SetLineWidth(_edgeWidth); |
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| 58 | property->EdgeVisibilityOff(); |
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| 59 | property->SetAmbient(.2); |
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[2320] | 60 | if (!_lighting) |
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[2328] | 61 | property->LightingOff(); |
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[2320] | 62 | } |
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| 63 | } |
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| 64 | |
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| 65 | void LIC::update() |
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| 66 | { |
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| 67 | if (_dataSet == NULL) |
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| 68 | return; |
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| 69 | |
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| 70 | vtkDataSet *ds = _dataSet->getVtkDataSet(); |
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| 71 | |
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| 72 | vtkSmartPointer<vtkCellDataToPointData> cellToPtData; |
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| 73 | if (ds->GetPointData() == NULL || |
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| 74 | ds->GetPointData()->GetVectors() == NULL) { |
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[3525] | 75 | TRACE("No vector point data in dataset %s", _dataSet->getName().c_str()); |
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[2320] | 76 | if (ds->GetCellData() != NULL && |
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| 77 | ds->GetCellData()->GetVectors() != NULL) { |
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| 78 | cellToPtData = |
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| 79 | vtkSmartPointer<vtkCellDataToPointData>::New(); |
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[3189] | 80 | #ifdef USE_VTK6 |
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| 81 | cellToPtData->SetInputData(ds); |
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| 82 | #else |
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[2320] | 83 | cellToPtData->SetInput(ds); |
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[3189] | 84 | #endif |
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[2320] | 85 | //cellToPtData->PassCellDataOn(); |
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| 86 | cellToPtData->Update(); |
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| 87 | ds = cellToPtData->GetOutput(); |
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| 88 | } else { |
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[3525] | 89 | USER_ERROR("No vector field was found in the data set"); |
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[2320] | 90 | return; |
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| 91 | } |
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| 92 | } |
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| 93 | |
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| 94 | vtkImageData *imageData = vtkImageData::SafeDownCast(ds); |
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| 95 | if (imageData != NULL) { |
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| 96 | if (_lic == NULL) { |
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| 97 | _lic = vtkSmartPointer<vtkImageDataLIC2D>::New(); |
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| 98 | } |
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| 99 | if (!_dataSet->is2D()) { |
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| 100 | // 3D image/volume/uniform grid |
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| 101 | if (_volumeSlicer == NULL) |
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| 102 | _volumeSlicer = vtkSmartPointer<vtkExtractVOI>::New(); |
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| 103 | int dims[3]; |
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| 104 | imageData->GetDimensions(dims); |
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| 105 | TRACE("Image data dimensions: %d %d %d", dims[0], dims[1], dims[2]); |
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[3189] | 106 | #ifdef USE_VTK6 |
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| 107 | _volumeSlicer->SetInputData(ds); |
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| 108 | #else |
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[2320] | 109 | _volumeSlicer->SetInput(ds); |
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[3189] | 110 | #endif |
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[2320] | 111 | _volumeSlicer->SetVOI(0, dims[0]-1, 0, dims[1]-1, (dims[2]-1)/2, (dims[2]-1)/2); |
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| 112 | _volumeSlicer->SetSampleRate(1, 1, 1); |
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| 113 | _lic->SetInputConnection(_volumeSlicer->GetOutputPort()); |
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| 114 | } else { |
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[3682] | 115 | // 2D image/uniform grid |
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[3189] | 116 | #ifdef USE_VTK6 |
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| 117 | _lic->SetInputData(ds); |
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| 118 | #else |
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[2320] | 119 | _lic->SetInput(ds); |
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[3189] | 120 | #endif |
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[2320] | 121 | } |
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| 122 | if (_mapper == NULL) { |
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| 123 | _mapper = vtkSmartPointer<vtkDataSetMapper>::New(); |
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| 124 | } |
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| 125 | _mapper->SetInputConnection(_lic->GetOutputPort()); |
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[3682] | 126 | } else if (vtkPolyData::SafeDownCast(ds) == NULL || |
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| 127 | _dataSet->isCloud() || |
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| 128 | _dataSet->is2D()) { |
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| 129 | // structured/rectilinear/unstructured grid, cloud or 2D polydata |
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[2320] | 130 | if (_lic == NULL) { |
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| 131 | _lic = vtkSmartPointer<vtkImageDataLIC2D>::New(); |
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| 132 | } |
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| 133 | |
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[2459] | 134 | // Need to convert to vtkImageData |
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[2320] | 135 | double bounds[6]; |
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| 136 | ds->GetBounds(bounds); |
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| 137 | double xSize = bounds[1] - bounds[0]; |
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| 138 | double ySize = bounds[3] - bounds[2]; |
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| 139 | double zSize = bounds[5] - bounds[4]; |
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| 140 | int minDir = 2; |
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| 141 | if (xSize < ySize && xSize < zSize) |
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| 142 | minDir = 0; |
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| 143 | if (ySize < xSize && ySize < zSize) |
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| 144 | minDir = 1; |
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| 145 | if (_probeFilter == NULL) |
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| 146 | _probeFilter = vtkSmartPointer<vtkProbeFilter>::New(); |
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[2459] | 147 | |
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[3682] | 148 | PrincipalPlane plane; |
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| 149 | double offset; |
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| 150 | if (!_dataSet->is2D(&plane, &offset)) { |
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| 151 | // 3D Data: Sample a plane within the bounding box |
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[2459] | 152 | vtkSmartPointer<vtkCutter> cutter = vtkSmartPointer<vtkCutter>::New(); |
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| 153 | if (_cutPlane == NULL) { |
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| 154 | _cutPlane = vtkSmartPointer<vtkPlane>::New(); |
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| 155 | } |
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| 156 | if (minDir == 0) { |
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| 157 | _cutPlane->SetNormal(1, 0, 0); |
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| 158 | _cutPlane->SetOrigin(bounds[0] + (bounds[1]-bounds[0])/2., |
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| 159 | 0, |
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| 160 | 0); |
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| 161 | } else if (minDir == 1) { |
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| 162 | _cutPlane->SetNormal(0, 1, 0); |
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| 163 | _cutPlane->SetOrigin(0, |
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| 164 | bounds[2] + (bounds[3]-bounds[2])/2., |
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| 165 | 0); |
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| 166 | } else { |
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| 167 | _cutPlane->SetNormal(0, 0, 1); |
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| 168 | _cutPlane->SetOrigin(0, |
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| 169 | 0, |
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| 170 | bounds[4] + (bounds[5]-bounds[4])/2.); |
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| 171 | } |
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[3682] | 172 | |
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| 173 | if (_dataSet->isCloud()) { |
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| 174 | // 3D cloud -- Need to mesh it before we can resample |
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| 175 | vtkSmartPointer<vtkDelaunay3D> mesher = vtkSmartPointer<vtkDelaunay3D>::New(); |
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[3189] | 176 | #ifdef USE_VTK6 |
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[3682] | 177 | mesher->SetInputData(ds); |
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[3189] | 178 | #else |
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[3682] | 179 | mesher->SetInput(ds); |
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[3189] | 180 | #endif |
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[3682] | 181 | cutter->SetInputConnection(mesher->GetOutputPort()); |
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| 182 | } else { |
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| 183 | #ifdef USE_VTK6 |
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| 184 | cutter->SetInputData(ds); |
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| 185 | #else |
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| 186 | cutter->SetInput(ds); |
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| 187 | #endif |
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| 188 | } |
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[2459] | 189 | cutter->SetCutFunction(_cutPlane); |
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| 190 | _probeFilter->SetSourceConnection(cutter->GetOutputPort()); |
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| 191 | } else { |
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[3682] | 192 | if (_dataSet->isCloud()) { |
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| 193 | // 2D cloud -- Need to mesh it before we can resample |
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| 194 | vtkSmartPointer<vtkDelaunay2D> mesher = vtkSmartPointer<vtkDelaunay2D>::New(); |
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| 195 | if (plane == PLANE_ZY) { |
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| 196 | vtkSmartPointer<vtkTransform> trans = vtkSmartPointer<vtkTransform>::New(); |
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| 197 | trans->RotateWXYZ(90, 0, 1, 0); |
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| 198 | if (offset != 0.0) { |
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| 199 | trans->Translate(-offset, 0, 0); |
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| 200 | } |
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| 201 | mesher->SetTransform(trans); |
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| 202 | } else if (plane == PLANE_XZ) { |
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| 203 | vtkSmartPointer<vtkTransform> trans = vtkSmartPointer<vtkTransform>::New(); |
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| 204 | trans->RotateWXYZ(-90, 1, 0, 0); |
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| 205 | if (offset != 0.0) { |
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| 206 | trans->Translate(0, -offset, 0); |
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| 207 | } |
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| 208 | mesher->SetTransform(trans); |
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| 209 | } else if (offset != 0.0) { |
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| 210 | // XY with Z offset |
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| 211 | vtkSmartPointer<vtkTransform> trans = vtkSmartPointer<vtkTransform>::New(); |
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| 212 | trans->Translate(0, 0, -offset); |
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| 213 | mesher->SetTransform(trans); |
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| 214 | } |
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[3189] | 215 | #ifdef USE_VTK6 |
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[3682] | 216 | mesher->SetInputData(ds); |
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[3189] | 217 | #else |
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[3682] | 218 | mesher->SetInput(ds); |
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[3189] | 219 | #endif |
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[3682] | 220 | _probeFilter->SetSourceConnection(mesher->GetOutputPort()); |
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| 221 | } else { |
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| 222 | #ifdef USE_VTK6 |
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| 223 | _probeFilter->SetSourceData(ds); |
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| 224 | #else |
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| 225 | _probeFilter->SetSource(ds); |
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| 226 | #endif |
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| 227 | } |
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[2459] | 228 | } |
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| 229 | |
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[2320] | 230 | vtkSmartPointer<vtkImageData> imageData = vtkSmartPointer<vtkImageData>::New(); |
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| 231 | int xdim, ydim, zdim; |
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| 232 | double origin[3], spacing[3]; |
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[4530] | 233 | int res = _resolution; |
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[2320] | 234 | if (minDir == 0) { |
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| 235 | xdim = 1; |
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[4530] | 236 | ydim = res; |
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| 237 | zdim = res; |
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[2320] | 238 | origin[0] = bounds[0] + xSize/2.; |
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| 239 | origin[1] = bounds[2]; |
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| 240 | origin[2] = bounds[4]; |
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| 241 | spacing[0] = 0; |
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| 242 | spacing[1] = ySize/((double)(ydim-1)); |
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| 243 | spacing[2] = zSize/((double)(zdim-1)); |
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| 244 | _sliceAxis = X_AXIS; |
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| 245 | } else if (minDir == 1) { |
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[4530] | 246 | xdim = res; |
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[2320] | 247 | ydim = 1; |
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[4530] | 248 | zdim = res; |
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[2320] | 249 | origin[0] = bounds[0]; |
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| 250 | origin[1] = bounds[2] + ySize/2.; |
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| 251 | origin[2] = bounds[4]; |
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| 252 | spacing[0] = xSize/((double)(xdim-1)); |
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| 253 | spacing[1] = 0; |
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| 254 | spacing[2] = zSize/((double)(zdim-1)); |
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| 255 | _sliceAxis = Y_AXIS; |
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| 256 | } else { |
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[4530] | 257 | xdim = res; |
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| 258 | ydim = res; |
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[2320] | 259 | zdim = 1; |
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| 260 | origin[0] = bounds[0]; |
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| 261 | origin[1] = bounds[2]; |
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| 262 | origin[2] = bounds[4] + zSize/2.; |
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| 263 | spacing[0] = xSize/((double)(xdim-1)); |
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| 264 | spacing[1] = ySize/((double)(ydim-1)); |
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| 265 | spacing[2] = 0; |
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| 266 | _sliceAxis = Z_AXIS; |
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| 267 | } |
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| 268 | imageData->SetDimensions(xdim, ydim, zdim); |
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| 269 | imageData->SetOrigin(origin); |
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| 270 | imageData->SetSpacing(spacing); |
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[3189] | 271 | #ifdef USE_VTK6 |
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| 272 | _probeFilter->SetInputData(imageData); |
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| 273 | #else |
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[2320] | 274 | _probeFilter->SetInput(imageData); |
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[3189] | 275 | #endif |
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[2320] | 276 | _lic->SetInputConnection(_probeFilter->GetOutputPort()); |
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| 277 | |
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| 278 | if (_mapper == NULL) { |
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| 279 | _mapper = vtkSmartPointer<vtkDataSetMapper>::New(); |
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[2459] | 280 | _mapper->SetColorModeToMapScalars(); |
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[2320] | 281 | } |
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[2459] | 282 | _lic->Update(); |
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[4530] | 283 | if (1) { |
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| 284 | vtkSmartPointer<vtkImageData> imgData = _probeFilter->GetImageDataOutput(); |
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| 285 | imgData->GetPointData()->SetActiveScalars(_probeFilter->GetValidPointMaskArrayName()); |
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| 286 | vtkSmartPointer<vtkImageCast> maskCast = vtkSmartPointer<vtkImageCast>::New(); |
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| 287 | maskCast->SetInputData(imgData); |
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| 288 | //maskCast->SetInputConnection(_probeFilter->GetOutputPort()); |
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| 289 | //maskCast->SetInputArrayToProcess(0, 0, 0, vtkDataObject::FIELD_ASSOCIATION_POINTS, |
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| 290 | // _probeFilter->GetValidPointMaskArrayName()); |
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| 291 | maskCast->SetOutputScalarTypeToUnsignedChar(); |
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| 292 | vtkSmartPointer<vtkImageCast> licCast = vtkSmartPointer<vtkImageCast>::New(); |
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| 293 | licCast->SetInputConnection(_lic->GetOutputPort()); |
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| 294 | licCast->SetOutputScalarTypeToDouble(); |
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| 295 | vtkSmartPointer<vtkImageMask> mask = vtkSmartPointer<vtkImageMask>::New(); |
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| 296 | mask->SetInputConnection(0, licCast->GetOutputPort()); |
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| 297 | mask->SetInputConnection(1, maskCast->GetOutputPort()); |
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| 298 | _mapper->SetInputConnection(mask->GetOutputPort()); |
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| 299 | } else { |
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| 300 | // Mask not working in VTK 6.1? |
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| 301 | _mapper->SetInputConnection(_lic->GetOutputPort()); |
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| 302 | } |
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[2320] | 303 | } else { |
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[3682] | 304 | // DataSet is a 3D PolyData with cells |
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[2320] | 305 | vtkPolyData *pd = vtkPolyData::SafeDownCast(ds); |
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| 306 | assert(pd != NULL); |
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| 307 | |
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| 308 | // XXX: This mapper seems to conflict with offscreen rendering, so the main |
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| 309 | // renderer needs to be set not to use FBOs for this to work |
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| 310 | _mapper = vtkSmartPointer<vtkPainterPolyDataMapper>::New(); |
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| 311 | vtkPainterPolyDataMapper *ppdmapper = vtkPainterPolyDataMapper::SafeDownCast(_mapper); |
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| 312 | if (_painter == NULL) { |
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| 313 | _painter = vtkSmartPointer<vtkSurfaceLICPainter>::New(); |
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| 314 | _painter->SetDelegatePainter(ppdmapper->GetPainter()); |
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| 315 | } |
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| 316 | ppdmapper->SetPainter(_painter); |
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[3189] | 317 | #ifdef USE_VTK6 |
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| 318 | ppdmapper->SetInputData(pd); |
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| 319 | #else |
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[2320] | 320 | ppdmapper->SetInput(pd); |
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[3189] | 321 | #endif |
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[2320] | 322 | } |
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| 323 | |
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[3542] | 324 | setInterpolateBeforeMapping(true); |
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| 325 | |
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[2402] | 326 | if (_lut == NULL) { |
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[2404] | 327 | setColorMap(ColorMap::getGrayDefault()); |
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[2402] | 328 | } |
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| 329 | |
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[2320] | 330 | initProp(); |
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[2328] | 331 | getActor()->SetMapper(_mapper); |
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[2320] | 332 | |
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| 333 | _mapper->Update(); |
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| 334 | } |
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| 335 | |
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[3542] | 336 | void LIC::setInterpolateBeforeMapping(bool state) |
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| 337 | { |
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| 338 | if (_mapper != NULL) { |
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| 339 | _mapper->SetInterpolateScalarsBeforeMapping((state ? 1 : 0)); |
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| 340 | } |
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| 341 | } |
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| 342 | |
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[2320] | 343 | /** |
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| 344 | * \brief Select a 2D slice plane from a 3D DataSet |
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| 345 | * |
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| 346 | * \param[in] axis Axis of slice plane |
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| 347 | * \param[in] ratio Position [0,1] of slice plane along axis |
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| 348 | */ |
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| 349 | void LIC::selectVolumeSlice(Axis axis, double ratio) |
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| 350 | { |
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| 351 | if (_dataSet->is2D()) { |
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| 352 | WARN("DataSet not 3D, returning"); |
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| 353 | return; |
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| 354 | } |
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| 355 | |
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| 356 | if (_volumeSlicer == NULL && |
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| 357 | _probeFilter == NULL) { |
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| 358 | WARN("Called before update() or DataSet is not a volume"); |
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| 359 | return; |
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| 360 | } |
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| 361 | |
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| 362 | int dims[3]; |
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| 363 | |
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| 364 | vtkImageData *imageData = vtkImageData::SafeDownCast(_dataSet->getVtkDataSet()); |
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| 365 | if (imageData == NULL) { |
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| 366 | if (_probeFilter != NULL) { |
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| 367 | imageData = vtkImageData::SafeDownCast(_probeFilter->GetInput()); |
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| 368 | if (imageData == NULL) { |
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| 369 | ERROR("Couldn't get probe filter input image"); |
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| 370 | return; |
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| 371 | } |
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| 372 | } else { |
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| 373 | ERROR("Not a volume data set"); |
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| 374 | return; |
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| 375 | } |
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| 376 | } |
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| 377 | imageData->GetDimensions(dims); |
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| 378 | |
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| 379 | _sliceAxis = axis; |
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| 380 | |
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| 381 | if (_probeFilter != NULL) { |
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| 382 | vtkImageData *imageData = vtkImageData::SafeDownCast(_probeFilter->GetInput()); |
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| 383 | double bounds[6]; |
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| 384 | assert(vtkDataSet::SafeDownCast(_probeFilter->GetSource()) != NULL); |
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[2459] | 385 | _dataSet->getBounds(bounds); |
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[4530] | 386 | int dim = _resolution; |
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[2320] | 387 | |
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| 388 | switch (axis) { |
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| 389 | case X_AXIS: |
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| 390 | imageData->SetDimensions(1, dim, dim); |
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| 391 | imageData->SetOrigin(bounds[0] + (bounds[1]-bounds[0])*ratio, bounds[2], bounds[4]); |
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| 392 | imageData->SetSpacing(0, |
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| 393 | (bounds[3]-bounds[2])/((double)(dim-1)), |
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| 394 | (bounds[5]-bounds[4])/((double)(dim-1))); |
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[2459] | 395 | if (_cutPlane != NULL) { |
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| 396 | _cutPlane->SetNormal(1, 0, 0); |
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| 397 | _cutPlane->SetOrigin(bounds[0] + (bounds[1]-bounds[0])*ratio, 0, 0); |
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| 398 | } |
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[2320] | 399 | break; |
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| 400 | case Y_AXIS: |
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| 401 | imageData->SetDimensions(dim, 1, dim); |
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| 402 | imageData->SetOrigin(bounds[0], bounds[2] + (bounds[3]-bounds[2])*ratio, bounds[4]); |
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| 403 | imageData->SetSpacing((bounds[1]-bounds[0])/((double)(dim-1)), |
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| 404 | 0, |
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| 405 | (bounds[5]-bounds[4])/((double)(dim-1))); |
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[2459] | 406 | if (_cutPlane != NULL) { |
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| 407 | _cutPlane->SetNormal(0, 1, 0); |
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| 408 | _cutPlane->SetOrigin(0, bounds[2] + (bounds[3]-bounds[2])*ratio, 0); |
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| 409 | } |
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[2320] | 410 | break; |
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| 411 | case Z_AXIS: |
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| 412 | imageData->SetDimensions(dim, dim, 1); |
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| 413 | imageData->SetOrigin(bounds[0], bounds[2], bounds[4] + (bounds[5]-bounds[4])*ratio); |
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| 414 | imageData->SetSpacing((bounds[1]-bounds[0])/((double)(dim-1)), |
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| 415 | (bounds[3]-bounds[2])/((double)(dim-1)), |
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| 416 | 0); |
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[2459] | 417 | if (_cutPlane != NULL) { |
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| 418 | _cutPlane->SetNormal(0, 0, 1); |
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| 419 | _cutPlane->SetOrigin(0, 0, bounds[4] + (bounds[5]-bounds[4])*ratio); |
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| 420 | } |
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[2320] | 421 | break; |
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| 422 | default: |
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| 423 | ERROR("Invalid Axis"); |
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| 424 | return; |
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| 425 | } |
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| 426 | } else { |
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| 427 | int voi[6]; |
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| 428 | |
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| 429 | switch (axis) { |
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| 430 | case X_AXIS: |
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| 431 | voi[0] = voi[1] = (int)((dims[0]-1) * ratio); |
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| 432 | voi[2] = 0; |
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| 433 | voi[3] = dims[1]-1; |
---|
| 434 | voi[4] = 0; |
---|
| 435 | voi[5] = dims[2]-1; |
---|
| 436 | break; |
---|
| 437 | case Y_AXIS: |
---|
| 438 | voi[2] = voi[3] = (int)((dims[1]-1) * ratio); |
---|
| 439 | voi[0] = 0; |
---|
| 440 | voi[1] = dims[0]-1; |
---|
| 441 | voi[4] = 0; |
---|
| 442 | voi[5] = dims[2]-1; |
---|
| 443 | break; |
---|
| 444 | case Z_AXIS: |
---|
| 445 | voi[4] = voi[5] = (int)((dims[2]-1) * ratio); |
---|
| 446 | voi[0] = 0; |
---|
| 447 | voi[1] = dims[0]-1; |
---|
| 448 | voi[2] = 0; |
---|
| 449 | voi[3] = dims[1]-1; |
---|
| 450 | break; |
---|
| 451 | default: |
---|
| 452 | ERROR("Invalid Axis"); |
---|
| 453 | return; |
---|
| 454 | } |
---|
| 455 | |
---|
| 456 | _volumeSlicer->SetVOI(voi); |
---|
| 457 | } |
---|
| 458 | |
---|
[2459] | 459 | if (_lic != NULL) |
---|
| 460 | _lic->Update(); |
---|
| 461 | |
---|
[2320] | 462 | if (_mapper != NULL) |
---|
| 463 | _mapper->Update(); |
---|
| 464 | } |
---|
| 465 | |
---|
| 466 | /** |
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[2402] | 467 | * \brief Called when the color map has been edited |
---|
[2320] | 468 | */ |
---|
[2402] | 469 | void LIC::updateColorMap() |
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| 470 | { |
---|
| 471 | setColorMap(_colorMap); |
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[2320] | 472 | } |
---|
| 473 | |
---|
| 474 | /** |
---|
| 475 | * \brief Associate a colormap lookup table with the DataSet |
---|
| 476 | */ |
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[2402] | 477 | void LIC::setColorMap(ColorMap *cmap) |
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[2320] | 478 | { |
---|
[2402] | 479 | if (cmap == NULL) |
---|
| 480 | return; |
---|
| 481 | |
---|
| 482 | _colorMap = cmap; |
---|
| 483 | |
---|
| 484 | if (_lut == NULL) { |
---|
[2320] | 485 | _lut = vtkSmartPointer<vtkLookupTable>::New(); |
---|
[2402] | 486 | if (_mapper != NULL) { |
---|
[2459] | 487 | _mapper->UseLookupTableScalarRangeOff(); |
---|
[2402] | 488 | _mapper->SetLookupTable(_lut); |
---|
| 489 | } |
---|
[2320] | 490 | } |
---|
| 491 | |
---|
[2402] | 492 | _lut->DeepCopy(cmap->getLookupTable()); |
---|
| 493 | _lut->SetRange(_dataRange); |
---|
[3330] | 494 | _lut->Modified(); |
---|
[2402] | 495 | } |
---|
| 496 | |
---|
[2612] | 497 | void LIC::updateRanges(Renderer *renderer) |
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[2402] | 498 | { |
---|
[3621] | 499 | GraphicsObject::updateRanges(renderer); |
---|
[2402] | 500 | |
---|
| 501 | if (_lut != NULL) { |
---|
| 502 | _lut->SetRange(_dataRange); |
---|
| 503 | } |
---|
[2320] | 504 | } |
---|
| 505 | |
---|
| 506 | /** |
---|
| 507 | * \brief Set a group of world coordinate planes to clip rendering |
---|
| 508 | * |
---|
| 509 | * Passing NULL for planes will remove all cliping planes |
---|
| 510 | */ |
---|
| 511 | void LIC::setClippingPlanes(vtkPlaneCollection *planes) |
---|
| 512 | { |
---|
| 513 | if (_mapper != NULL) { |
---|
| 514 | _mapper->SetClippingPlanes(planes); |
---|
| 515 | } |
---|
| 516 | } |
---|