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前言

实现mpr窗口预设窗值，vr窗口预设配色
效果如下：

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一、mpr窗口预设窗值

可参考 第十五章 预设窗值
逻辑一样的，把windowWidth, windowCenter值转换为voiRange值，再调用viewport.setProperties设置。
在MPR类中增加函数setWindow

const presetWindow = [{id: "wwwl-default",text: "默认",tooltip: "默认窗宽窗位",icon: "icon-tiaochuang",wwwl: {wl: 0,ww: 0,}},{id: "wwwl-ct-bone",text: "骨窗",tooltip: "CT骨窗 [300/1500]",icon: "icon-jawbone",wwwl: {wl: 300,ww: 1500,}},{id: "wwwl-ct-lung",text: "肺窗",tooltip: "CT肺窗 [-600/1500]",icon: "icon-lungs-line",wwwl: {wl: -600,ww: 1500,}},{id: "wwwl-ct-abdomen",text: "腹部",tooltip: "CT腹部 [60/400]",icon: "icon-fubu",wwwl: {wl: 60,ww: 400,}},{id: "wwwl-ct-angio",text: "血管",tooltip: "CT血管 [300/600]",icon: "icon-xinxieguan1",wwwl: {wl: 300,ww: 600,}},{id: "wwwl-ct-brain",text: "颅脑",tooltip: "CT颅脑 [40/80]",icon: "icon-xinxieguan",wwwl: {wl: 40,ww: 80,}},{id: "wwwl-ct-chest",text: "胸腔",tooltip: "CT胸腔 [40/400]",icon: "icon-Frightn",wwwl: {wl: 40,ww: 400,}},
];setWindow(ww, wl) {if (!this.loaded) {return;}const viewports = this.renderingEngine.getViewports();for (let i = 0; i < viewports.length; i++) {const viewport = viewports[i];if (viewport.id !== idVolume) {const voiLutFunction = viewport.getProperties().VOILUTFunction;const newRange = csUtils.windowLevel.toLowHighRange(ww, wl, voiLutFunction);viewport.setProperties({voiRange: newRange});viewport.render();}}}

二、vr preset

cornerstone3D中预设22种viewport preset。保存在CONSTANTS.VIEWPORT_PRESETS中。
在MPR类中添加setVRColor函数，同时把CONSTANTS.VIEWPORT_PRESETS.name导出，以便Toolbar3d.vue中使用

import {RenderingEngine,Enums,...CONSTANTS
} from "@cornerstonejs/core";const presetColors = CONSTANTS.VIEWPORT_PRESETS.map(preset => preset.name);setVRColor(presetName) {if (!this.loaded) {return;}const viewport = this.renderingEngine.getViewport(idVolume);const volumeActor = viewport.getDefaultActor().actor;csUtils.applyPreset(volumeActor,CONSTANTS.VIEWPORT_PRESETS.find(preset => preset.name === presetName));viewport.render();
}

三、调用流程

基本流程：

• 1. Toolbar3d.vue中添加操作按钮或其他元素
• 2. View3d.vue中响应操作
• 3. DisplayerArea3d.vue调用MPR类中的函数

可参考前面章节