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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 | 1x 1x 1x | import { mat4 } from 'gl-matrix';
import macro from 'vtk.js/Sources/macros';
import vtkViewNode from 'vtk.js/Sources/Rendering/SceneGraph/ViewNode';
import { registerOverride } from 'vtk.js/Sources/Rendering/WebGPU/ViewNodeFactory';
// ----------------------------------------------------------------------------
// vtkWebGPUVolume methods
// ----------------------------------------------------------------------------
function vtkWebGPUVolume(publicAPI, model) {
// Set our className
model.classHierarchy.push('vtkWebGPUVolume');
// Builds myself.
publicAPI.buildPass = (prepass) => {
if (!model.renderable || !model.renderable.getVisibility()) {
return;
}
if (prepass) {
model.WebGPURenderer =
publicAPI.getFirstAncestorOfType('vtkWebGPURenderer');
model.WebGPURenderWindow = model.WebGPURenderer.getFirstAncestorOfType(
'vtkWebGPURenderWindow'
);
// for the future if we support hardware selection of volumes
if (model.propID === undefined) {
model.propID = model.WebGPURenderWindow.getUniquePropID();
}
model.renderable.getMapper().update();
}
};
publicAPI.queryPass = (prepass, renderPass) => {
if (prepass) {
if (!model.renderable || !model.renderable.getVisibility()) {
return;
}
// Check for the special case when the mapper's bounds are unknown
const bds = model.renderable.getMapper().getBounds();
if (!bds || bds.length !== 6 || bds[0] > bds[1]) {
return;
}
renderPass.addVolume(publicAPI);
}
};
// used in the method below
const idx = new Float64Array(3);
const vout = new Float64Array(3);
publicAPI.getBoundingCubePoints = (result, offset) => {
const input = model.renderable.getMapper().getInputData();
if (!input) {
return;
}
const extent = input.getExtent();
const m = model.renderable.getMatrix();
let count = 0;
for (let iz = 4; iz < 6; iz++) {
idx[2] = extent[iz];
for (let iy = 2; iy < 4; iy++) {
idx[1] = extent[iy];
for (let ix = 0; ix < 2; ix++) {
idx[0] = extent[ix];
input.indexToWorld(idx, vout);
let poffset = offset + count * 3;
result[poffset++] =
m[0] * vout[0] + m[1] * vout[1] + m[2] * vout[2] + m[3];
result[poffset++] =
m[4] * vout[0] + m[5] * vout[1] + m[6] * vout[2] + m[7];
result[poffset++] =
m[8] * vout[0] + m[9] * vout[1] + m[10] * vout[2] + m[11];
count++;
}
}
}
};
publicAPI.getKeyMatrices = (wgpuRen) => {
// has the actor or stabilization center changed?
if (
Math.max(model.renderable.getMTime(), wgpuRen.getStabilizedTime()) >
model.keyMatricesTime.getMTime()
) {
model.renderable.computeMatrix();
const mcwc = model.renderable.getMatrix();
// compute the net shift
const center = wgpuRen.getStabilizedCenterByReference();
mat4.transpose(model.keyMatrices.bcwc, mcwc);
// to get to stabilized we also need the center
mat4.translate(model.keyMatrices.bcsc, model.keyMatrices.bcwc, [
-center[0],
-center[1],
-center[2],
]);
model.keyMatricesTime.modified();
}
return model.keyMatrices;
};
}
// ----------------------------------------------------------------------------
// Object factory
// ----------------------------------------------------------------------------
const DEFAULT_VALUES = {
propID: undefined,
keyMatricesTime: null,
};
// ----------------------------------------------------------------------------
export function extend(publicAPI, model, initialValues = {}) {
Object.assign(model, DEFAULT_VALUES, initialValues);
// Inheritance
vtkViewNode.extend(publicAPI, model, initialValues);
model.keyMatricesTime = {};
macro.obj(model.keyMatricesTime, { mtime: 0 });
model.keyMatrices = {
bcwc: new Float64Array(16),
bcsc: new Float64Array(16),
};
macro.get(publicAPI, model, ['propID', 'keyMatricesTime']);
// Object methods
vtkWebGPUVolume(publicAPI, model);
}
// ----------------------------------------------------------------------------
export const newInstance = macro.newInstance(extend, 'vtkWebGPUVolume');
// ----------------------------------------------------------------------------
export default { newInstance, extend };
// Register ourself to WebGPU backend if imported
registerOverride('vtkVolume', newInstance);
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