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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 | 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 4x 20x 6x 4x 4x 4x 4x 16x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 16x 512x 512x 512x 512x 512x 512x 4x 4x 4x 4x 4x 4x 4x 4x 4x 6x 4x 6x 6x 4x 1x 6x 6x 6x 6x 6x 6x 1x | import macro from 'vtk.js/Sources/macros';
import vtkActor from 'vtk.js/Sources/Rendering/Core/Actor';
import vtkContextRepresentation from 'vtk.js/Sources/Widgets/Representations/ContextRepresentation';
import vtkMapper from 'vtk.js/Sources/Rendering/Core/Mapper';
import vtkPolyData from 'vtk.js/Sources/Common/DataModel/PolyData';
import vtkSpline3D from 'vtk.js/Sources/Common/DataModel/Spline3D';
import vtkTriangleFilter from 'vtk.js/Sources/Filters/General/TriangleFilter';
import vtkLineFilter from 'vtk.js/Sources/Filters/General/LineFilter';
import vtkWidgetRepresentation, {
allocateArray,
} from 'vtk.js/Sources/Widgets/Representations/WidgetRepresentation';
// ----------------------------------------------------------------------------
// vtkSplineContextRepresentation methods
// ----------------------------------------------------------------------------
function vtkSplineContextRepresentation(publicAPI, model) {
// Set our className
model.classHierarchy.push('vtkSplineContextRepresentation');
// --------------------------------------------------------------------------
// Generic rendering pipeline
// --------------------------------------------------------------------------
model.internalPolyData = vtkPolyData.newInstance({ mtime: 0 });
model._pipelines = {
area: {
source: publicAPI,
filter: vtkTriangleFilter.newInstance(),
mapper: vtkMapper.newInstance(),
actor: vtkActor.newInstance({ parentProp: publicAPI }),
},
border: {
source: publicAPI,
filter: vtkLineFilter.newInstance(),
mapper: vtkMapper.newInstance(),
actor: vtkActor.newInstance({ parentProp: publicAPI }),
},
};
vtkWidgetRepresentation.connectPipeline(model._pipelines.area);
model._pipelines.area.actor.getProperty().setOpacity(0.2);
model._pipelines.area.actor.getProperty().setColor(0, 1, 0);
publicAPI.addActor(model._pipelines.area.actor);
vtkWidgetRepresentation.connectPipeline(model._pipelines.border);
model._pipelines.border.actor.getProperty().setOpacity(1);
model._pipelines.border.actor.getProperty().setColor(0.1, 1, 0.1);
model._pipelines.border.actor.setVisibility(model.outputBorder);
publicAPI.addActor(model._pipelines.border.actor);
// --------------------------------------------------------------------------
const superGetRepresentationStates = publicAPI.getRepresentationStates;
publicAPI.getRepresentationStates = (input = model.inputData[0]) =>
superGetRepresentationStates(input).filter(
(state) => state.getOrigin?.() && state.isVisible?.()
);
publicAPI.requestData = (inData, outData) => {
Iif (model.deleted) {
return;
}
const widgetState = inData[0];
const closed = widgetState.getSplineClosed();
const list = publicAPI.getRepresentationStates(widgetState);
const inPoints = list.map((state) => state.getOrigin());
Iif (inPoints.length <= 1) {
outData[0] = model.internalPolyData;
return;
}
let numVertices = inPoints.length;
Iif (!closed) {
--numVertices;
} else {
inPoints.push(inPoints[0]);
}
const spline = vtkSpline3D.newInstance({
close: widgetState.getSplineClosed(),
kind: widgetState.getSplineKind(),
tension: widgetState.getSplineTension(),
bias: widgetState.getSplineBias(),
continuity: widgetState.getSplineContinuity(),
boundaryCondition: widgetState.getSplineBoundaryCondition(),
boundaryConditionValues: widgetState.getSplineBoundaryConditionValues(),
});
spline.computeCoefficients(inPoints);
const outPoints = allocateArray(
model.internalPolyData,
'points',
(numVertices + !closed) * model.resolution
).getData();
const outCells = new Uint32Array(numVertices * model.resolution + 2);
outCells[0] = numVertices * model.resolution + 1;
outCells[numVertices * model.resolution + 1] = 0;
for (let i = 0; i < numVertices; i++) {
for (let j = 0; j < model.resolution; j++) {
const t = j / model.resolution;
const point = spline.getPoint(i, t);
outPoints[3 * (i * model.resolution + j) + 0] = point[0];
outPoints[3 * (i * model.resolution + j) + 1] = point[1];
outPoints[3 * (i * model.resolution + j) + 2] = point[2];
outCells[i * model.resolution + j + 1] = i * model.resolution + j;
}
}
if (closed) {
outCells[numVertices * model.resolution + 1] = 0;
} else E{
const lastPointIndex = numVertices * model.resolution + 1;
const lastPoint = spline.getPoint(numVertices, 0);
outPoints[3 * lastPointIndex + 0] = lastPoint[0];
outPoints[3 * lastPointIndex + 1] = lastPoint[1];
outPoints[3 * lastPointIndex + 2] = lastPoint[2];
outCells[numVertices * model.resolution + 1] = lastPointIndex;
}
if (model.fill) {
model.internalPolyData.getPolys().setData(outCells);
}
model.internalPolyData
.getLines()
.setData(model.outputBorder ? outCells : []);
model.internalPolyData.modified();
outData[0] = model.internalPolyData;
model._pipelines.area.filter.update();
model._pipelines.border.actor
.getProperty()
.setColor(
...(inPoints.length <= 3 ||
model._pipelines.area.filter.getErrorCount() === 0
? model.borderColor
: model.errorBorderColor)
);
};
publicAPI.getSelectedState = (prop, compositeID) => model.state;
function updateAreaVisibility() {
model._pipelines.area.actor.setVisibility(model.fill);
}
publicAPI.setFill = macro.chain(publicAPI.setFill, updateAreaVisibility);
publicAPI.setOutputBorder = macro.chain(publicAPI.setOutputBorder, (v) =>
model._pipelines.border.actor.setVisibility(v)
);
}
// ----------------------------------------------------------------------------
// Object factory
// ----------------------------------------------------------------------------
const DEFAULT_VALUES = {
resolution: 16,
fill: true,
// boundaryCondition : BoundaryCondition.DEFAULT
outputBorder: false,
borderColor: [0.1, 1, 0.1],
errorBorderColor: [1, 0, 0],
};
// ----------------------------------------------------------------------------
export function extend(publicAPI, model, initialValues = {}) {
Object.assign(model, DEFAULT_VALUES, initialValues);
vtkContextRepresentation.extend(publicAPI, model, initialValues);
macro.get(publicAPI, model, ['mapper']);
macro.setGet(publicAPI, model, [
'resolution',
'boundaryCondition',
'fill',
'outputBorder',
]);
macro.setGetArray(publicAPI, model, ['borderColor', 'errorBorderColor'], 3);
// Object specific methods
vtkSplineContextRepresentation(publicAPI, model);
}
// ----------------------------------------------------------------------------
export const newInstance = macro.newInstance(
extend,
'vtkSplineContextRepresentation'
);
// ----------------------------------------------------------------------------
export default { newInstance, extend };
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