Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 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 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x | import macro from 'vtk.js/Sources/macros';
import Constants from 'vtk.js/Sources/Common/DataModel/ImplicitBoolean/Constants';
import vtkImplicitFunction from 'vtk.js/Sources/Common/DataModel/ImplicitFunction';
const { Operation } = Constants;
// ----------------------------------------------------------------------------
// Global methods
// ----------------------------------------------------------------------------
// ----------------------------------------------------------------------------
// Static API
// ----------------------------------------------------------------------------
// ----------------------------------------------------------------------------
// vtkImplicitBoolean methods
// ----------------------------------------------------------------------------
function vtkImplicitBoolean(publicAPI, model) {
// Set our className
model.classHierarchy.push('vtkImplicitBoolean');
// Capture "parentClass" api for internal use
const superClass = { ...publicAPI };
publicAPI.getMTime = () => {
let mTime = superClass.getMTime();
if (!model.functions || model.functions.length <= 0) {
return mTime;
}
for (let i = 0; i < model.functions.length; ++i) {
mTime = Math.max(mTime, model.functions[i].getMTime());
}
return mTime;
};
publicAPI.getOperationAsString = () =>
macro.enumToString(Operation, model.operation);
publicAPI.setOperationToUnion = () => publicAPI.setOperation(0);
publicAPI.setOperationToIntersection = () => publicAPI.setOperation(1);
publicAPI.setOperationToDifference = () => publicAPI.setOperation(2);
publicAPI.getFunctions = () => model.functions;
publicAPI.hasFunction = (f) =>
!!model.functions.filter((item) => item === f).length;
publicAPI.addFunction = (f) => {
if (f && !publicAPI.hasFunction(f)) {
model.functions = model.functions.concat(f);
}
};
publicAPI.removeFunction = (f) => {
const newFunctionList = model.functions.filter((item) => item !== f);
if (model.functions.length !== newFunctionList.length) {
model.functions = newFunctionList;
}
};
publicAPI.removeAllFunctions = () => {
model.functions = [];
};
publicAPI.evaluateFunction = (xyz) => {
let value = 0.0;
if (model.functions.length <= 0) {
return value;
}
if (model.operation === Operation.UNION) {
value = Number.MAX_VALUE;
for (let i = 0; i < model.functions.length; ++i) {
const f = model.functions[i];
const v = f.functionValue(xyz);
if (v < value) {
value = v;
}
}
} else if (model.operation === Operation.INTERSECTION) {
value = -Number.MAX_VALUE;
for (let i = 0; i < model.functions.length; ++i) {
const f = model.functions[i];
const v = f.functionValue(xyz);
if (v > value) {
value = v;
}
}
} else {
const firstF = model.functions[0];
value = firstF.functionValue(xyz);
for (let i = 1; i < model.functions.length; ++i) {
const f = model.functions[i];
const v = -1.0 * f.evaluateFunction(xyz);
if (v > value) {
value = v;
}
}
}
return value;
};
publicAPI.evaluateGradient = (xyz) => {
const t =
model.axis[0] * (xyz[0] - model.center[0]) +
model.axis[1] * (xyz[1] - model.center[1]) +
model.axis[2] * (xyz[2] - model.center[2]);
const cp = new Float32Array(3);
cp[0] = model.center[0] + t * model.axis[0];
cp[1] = model.center[1] + t * model.axis[1];
cp[2] = model.center[2] + t * model.axis[2];
const retVal = [
2.0 * (xyz[0] - cp[0]),
2.0 * (xyz[1] - cp[1]),
2.0 * (xyz[2] - cp[2]),
];
return retVal;
};
}
// ----------------------------------------------------------------------------
// Object factory
// ----------------------------------------------------------------------------
const DEFAULT_VALUES = {
operation: 0,
functions: [],
};
// ----------------------------------------------------------------------------
export function extend(publicAPI, model, initialValues = {}) {
Object.assign(model, DEFAULT_VALUES, initialValues);
// Object methods
vtkImplicitFunction.extend(publicAPI, model, initialValues);
macro.setGet(publicAPI, model, ['operation']);
vtkImplicitBoolean(publicAPI, model);
}
// ----------------------------------------------------------------------------
export const newInstance = macro.newInstance(extend, 'vtkImplicitBoolean');
// ----------------------------------------------------------------------------
export default { newInstance, extend, ...Constants };
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