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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 | 15x 15x 36x 36x 18x 18x 18x 18x 18x 18x 15x 36x 18x 18x 15x 18x 18x 18x 18x 15x 36x 36x 15x 18x 16x 16x 16x 16x 16x 16x 18x 1x 15x 15x 15x 15x 15x 15x 15x 15x 1x 1x | import { mat3, mat4 } from 'gl-matrix';
import * as macro from 'vtk.js/Sources/macros';
import vtkViewNode from 'vtk.js/Sources/Rendering/SceneGraph/ViewNode';
import { registerOverride } from 'vtk.js/Sources/Rendering/OpenGL/ViewNodeFactory';
// ----------------------------------------------------------------------------
// vtkOpenGLVolume methods
// ----------------------------------------------------------------------------
function vtkOpenGLVolume(publicAPI, model) {
// Set our className
model.classHierarchy.push('vtkOpenGLVolume');
// Builds myself.
publicAPI.buildPass = (prepass) => {
Iif (!model.renderable || !model.renderable.getVisibility()) {
return;
}
if (prepass) {
model._openGLRenderWindow = publicAPI.getFirstAncestorOfType(
'vtkOpenGLRenderWindow'
);
model._openGLRenderer =
publicAPI.getFirstAncestorOfType('vtkOpenGLRenderer');
model.context = model._openGLRenderWindow.getContext();
publicAPI.prepareNodes();
publicAPI.addMissingNode(model.renderable.getMapper());
publicAPI.removeUnusedNodes();
}
};
publicAPI.queryPass = (prepass, renderPass) => {
if (prepass) {
Iif (!model.renderable || !model.renderable.getVisibility()) {
return;
}
renderPass.incrementVolumeCount();
}
};
publicAPI.traverseVolumePass = (renderPass) => {
Iif (
!model.renderable ||
!model.renderable.getNestedVisibility() ||
(model._openGLRenderer.getSelector() &&
!model.renderable.getNestedPickable())
) {
return;
}
publicAPI.apply(renderPass, true);
model.children[0].traverse(renderPass);
publicAPI.apply(renderPass, false);
};
// Renders myself
publicAPI.volumePass = (prepass) => {
Iif (!model.renderable || !model.renderable.getVisibility()) {
return;
}
model.context.depthMask(!prepass);
};
publicAPI.getKeyMatrices = () => {
// has the actor changed?
if (model.renderable.getMTime() > model.keyMatrixTime.getMTime()) {
model.renderable.computeMatrix();
mat4.copy(model.MCWCMatrix, model.renderable.getMatrix());
mat4.transpose(model.MCWCMatrix, model.MCWCMatrix);
if (model.renderable.getIsIdentity()) {
mat3.identity(model.normalMatrix);
} else E{
mat3.fromMat4(model.normalMatrix, model.MCWCMatrix);
mat3.invert(model.normalMatrix, model.normalMatrix);
mat3.transpose(model.normalMatrix, model.normalMatrix);
}
model.keyMatrixTime.modified();
}
return { mcwc: model.MCWCMatrix, normalMatrix: model.normalMatrix };
};
}
// ----------------------------------------------------------------------------
// Object factory
// ----------------------------------------------------------------------------
const DEFAULT_VALUES = {
// context: null,
// keyMatrixTime: null,
// normalMatrix: null,
// MCWCMatrix: null,
// _openGLRenderWindow: null,
};
// ----------------------------------------------------------------------------
export function extend(publicAPI, model, initialValues = {}) {
Object.assign(model, DEFAULT_VALUES, initialValues);
// Inheritance
vtkViewNode.extend(publicAPI, model, initialValues);
model.keyMatrixTime = {};
macro.obj(model.keyMatrixTime, { mtime: 0 });
// always set by getter
model.normalMatrix = new Float64Array(9);
model.MCWCMatrix = new Float64Array(16);
// Build VTK API
macro.setGet(publicAPI, model, ['context']);
// Object methods
vtkOpenGLVolume(publicAPI, model);
}
// ----------------------------------------------------------------------------
export const newInstance = macro.newInstance(extend, 'vtkOpenGLVolume');
// ----------------------------------------------------------------------------
export default { newInstance, extend };
// Register ourself to OpenGL backend if imported
registerOverride('vtkVolume', newInstance);
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