start a c3d viewer
This commit is contained in:
Ross
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import { useEffect, useRef, useCallback, useState } from "react"
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import createImageIdsAndCacheMetaData from "./lib/createImageIdsAndCacheMetaData"
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import {
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RenderingEngine,
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Enums,
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} from "@cornerstonejs/core"
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import { init as csRenderInit } from "@cornerstonejs/core"
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import { init as csToolsInit, addTool, ToolGroupManager, Enums as csToolsEnums, PanTool, WindowLevelTool, StackScrollTool, ZoomTool, PlanarRotateTool } from "@cornerstonejs/tools"
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import { init as dicomImageLoaderInit } from "@cornerstonejs/dicom-image-loader"
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import * as cornerstoneTools from '@cornerstonejs/tools';
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import { StackScrollOutOfBoundsEvent } from 'core/src/types/EventTypes';
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const { MouseBindings } = csToolsEnums;
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const { IMAGE_RENDERED } = Enums.Events;
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const toolGroupId = 'STACK_TOOL_GROUP_ID';
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const leftClickTools = [
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WindowLevelTool.toolName,
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PlanarRotateTool.toolName,
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StackScrollTool.toolName,
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];
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const defaultLeftClickTool = leftClickTools[0];
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let currentLeftClickTool = leftClickTools[0];
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// Common CT presets (add more as needed)
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const WINDOW_LEVEL_PRESETS = [
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{ name: "Soft Tissue", center: 40, width: 400 },
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{ name: "Lung", center: -600, width: 1500 },
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{ name: "Bone", center: 300, width: 1500 },
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{ name: "Brain", center: 40, width: 80 },
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{ name: "Abdomen", center: 60, width: 400 },
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]
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function App() {
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const elementRef = useRef<HTMLDivElement>(null)
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const viewportRef = useRef<any>(null) // Store the viewport instance
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const running = useRef(false)
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// State for overlay info
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const [imageInfo, setImageInfo] = useState({
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index: 0,
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total: 0,
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windowCenter: "",
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windowWidth: "",
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})
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const updateOverlay = useCallback(() => {
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console.log("updateOverlay")
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const viewport = viewportRef.current
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if (!viewport) return
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console.log(viewport)
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// For StackViewport in Cornerstone3D v3:
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const currentIndex = typeof viewport.getCurrentImageIdIndex === "function"
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? viewport.getCurrentImageIdIndex()
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: 0
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const imageIds = typeof viewport.getImageIds === "function"
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? viewport.getImageIds()
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: []
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const total = imageIds.length
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// Use getVOI() for current window center/width
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let windowCenter = ""
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let windowWidth = ""
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if (typeof viewport.getProperties === "function") {
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const props = viewport.getProperties()
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if (props.voiRange) {
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const { lower, upper } = props.voiRange
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windowCenter = ((upper + lower) / 2).toFixed(0)
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windowWidth = (upper - lower).toFixed(0)
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}
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}
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setImageInfo({
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index: currentIndex + 1,
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total,
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windowCenter,
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windowWidth,
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})
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}, [])
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useEffect(() => {
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const setup = async () => {
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if (running.current) {
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return
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}
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running.current = true
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await csRenderInit()
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await csToolsInit()
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dicomImageLoaderInit({ maxWebWorkers: 1 })
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// Add tools to Cornerstone3D
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cornerstoneTools.addTool(PanTool);
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cornerstoneTools.addTool(WindowLevelTool);
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cornerstoneTools.addTool(StackScrollTool);
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cornerstoneTools.addTool(ZoomTool);
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cornerstoneTools.addTool(PlanarRotateTool);
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// Define a tool group, which defines how mouse events map to tool commands for
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// Any viewport using the group
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const toolGroup = ToolGroupManager.createToolGroup(toolGroupId);
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// Add tools to the tool group
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toolGroup.addTool(WindowLevelTool.toolName);
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toolGroup.addTool(PanTool.toolName);
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toolGroup.addTool(ZoomTool.toolName);
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toolGroup.addTool(StackScrollTool.toolName, { loop: false });
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toolGroup.addTool(PlanarRotateTool.toolName);
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// Set the initial state of the tools, here all tools are active and bound to
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// Different mouse inputs
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toolGroup.setToolActive(defaultLeftClickTool, {
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bindings: [
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{
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mouseButton: MouseBindings.Primary, // Left Click
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},
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],
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});
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toolGroup.setToolActive(PanTool.toolName, {
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bindings: [
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{
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mouseButton: MouseBindings.Auxiliary, // Middle Click
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},
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],
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});
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toolGroup.setToolActive(ZoomTool.toolName, {
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bindings: [
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{
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mouseButton: MouseBindings.Secondary, // Right Click
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},
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],
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});
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// The Stack Scroll mouse wheel is a tool using the `mouseWheelCallback`
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// and needs to be registered against the 'Wheel' binding.
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toolGroup.setToolActive(StackScrollTool.toolName, {
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bindings: [
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{
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mouseButton: MouseBindings.Wheel, // Wheel Mouse
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},
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],
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});
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toolGroup.setToolActive(PlanarRotateTool.toolName, {
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bindings: [
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{
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mouseButton: MouseBindings.Wheel, // Shift Wheel Mouse
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//modifierKey: KeyboardBindings.Shift,
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},
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{
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mouseButton: MouseBindings.Wheel_Primary, // Left Click+Wheel Mouse
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},
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],
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});
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const imageIds = await createImageIdsAndCacheMetaData()
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console.log("imageIds", imageIds)
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// Instantiate a rendering engine
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const renderingEngineId = "myRenderingEngine"
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const renderingEngine = new RenderingEngine(renderingEngineId)
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const viewportId = "CT"
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const viewportInput = {
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viewportId,
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type: Enums.ViewportType.STACK,
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element: elementRef.current,
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}
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renderingEngine.enableElement(viewportInput)
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// Set the tool group on the viewport
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toolGroup.addViewport(viewportId, renderingEngineId);
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// Get the stack viewport that was created
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const viewport = renderingEngine.getViewport(viewportId);
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viewportRef.current = viewport; // Save for later use
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// Create a stack volume
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viewport.setStack(imageIds)
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cornerstoneTools.utilities.stackPrefetch.enable(viewport.element);
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function test(e) {
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console.log("test", e)
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}
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// Render the image
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viewport.render()
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viewport.element.addEventListener(Enums.Events.IMAGE_RENDERED, updateOverlay)
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///viewport.element.addEventListener(Enums.Events.STACK_NEW_IMAGE, updateOverlay)
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//viewport.element.addEventListener(Enums.Events.CAMERA_MODIFIED, updateOverlay)
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//viewport.element.addEventListener(Enums.Events.PRESET_MODIFIED, updateOverlay)
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// Initial overlay update
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updateOverlay()
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}
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setup()
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// Create a stack viewport
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}, [elementRef, updateOverlay])
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// Handler to reset the view (camera and window/level)
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const handleResetView = useCallback(() => {
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const viewport = viewportRef.current
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if (viewport && typeof viewport.resetCamera === "function") {
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viewport.resetCamera();
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viewport.resetProperties(); // Resets window/level and other properties
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viewport.render();
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}
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}, [])
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// Double-click handler (reuse the same logic)
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const handleDoubleClick = handleResetView
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// Handler to apply a preset
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const handleApplyPreset = useCallback((center: number, width: number) => {
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const viewport = viewportRef.current
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if (viewport && typeof viewport.setProperties === "function") {
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const props = viewport.getProperties()
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viewport.setProperties({
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...props,
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voiRange: {
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lower: center - width / 2,
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upper: center + width / 2,
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},
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})
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viewport.render()
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}
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}, [])
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return (
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<div style={{ position: "relative", width: "512px", height: "512px" }}>
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{/* ...existing Reset View button and viewport div... */}
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<button
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style={{
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position: "absolute",
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top: 8,
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left: 8,
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zIndex: 10,
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padding: "6px 12px",
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background: "#222",
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color: "#fff",
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border: "none",
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borderRadius: "4px",
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cursor: "pointer",
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opacity: 0.85,
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}}
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onClick={handleResetView}
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>
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Reset View
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</button>
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<div
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ref={elementRef}
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onDoubleClick={handleDoubleClick}
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style={{
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width: "100%",
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height: "100%",
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backgroundColor: "#000",
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}}
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></div>
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{/* Overlay at bottom left */}
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<div
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style={{
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position: "absolute",
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left: 8,
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bottom: 8,
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background: "rgba(0,0,0,0.7)",
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color: "#fff",
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padding: "6px 12px",
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borderRadius: "4px",
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fontSize: "14px",
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zIndex: 10,
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pointerEvents: "none",
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minWidth: "120px",
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}}
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>
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<div>
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Image: {imageInfo.index} / {imageInfo.total}
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</div>
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<div>
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WC: {imageInfo.windowCenter} WW: {imageInfo.windowWidth}
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</div>
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</div>
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{/* Preset menu at bottom right, collapsed by default, expands on hover */}
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<div
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style={{
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position: "absolute",
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right: 8,
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bottom: 8,
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zIndex: 10,
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}}
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>
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<div
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style={{
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background: "rgba(0,0,0,0.7)",
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color: "#fff",
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borderRadius: "4px",
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fontSize: "14px",
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minWidth: "120px",
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overflow: "hidden",
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transition: "height 0.2s",
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height: "28px",
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cursor: "pointer",
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position: "relative",
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}}
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className="preset-menu"
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>
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<div style={{ padding: "6px 12px", fontWeight: "bold" }}>
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Presets
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</div>
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<div
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style={{
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position: "absolute",
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left: 0,
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right: 0,
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bottom: 0,
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background: "rgba(0,0,0,0.95)",
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borderRadius: "4px",
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padding: "6px 0 6px 0",
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display: "none",
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flexDirection: "column",
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zIndex: 11,
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}}
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className="preset-menu-content"
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>
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{WINDOW_LEVEL_PRESETS.map((preset) => (
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<button
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key={preset.name}
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style={{
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display: "block",
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width: "100%",
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margin: "2px 0",
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background: "#333",
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color: "#fff",
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border: "none",
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borderRadius: "3px",
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cursor: "pointer",
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padding: "4px 0",
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fontSize: "13px",
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opacity: 0.9,
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}}
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onClick={() => handleApplyPreset(preset.center, preset.width)}
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>
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{preset.name}
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</button>
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))}
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</div>
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</div>
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{/* Inline CSS for hover effect */}
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<style>
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{`
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.preset-menu:hover .preset-menu-content {
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display: flex;
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}
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.preset-menu:hover {
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height: auto !important;
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}
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`}
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</style>
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</div>
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</div>
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)
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}
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export default App
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@@ -0,0 +1,82 @@
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import { useEffect, useRef } from "react"
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import createImageIdsAndCacheMetaData from "./lib/createImageIdsAndCacheMetaData"
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import {
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RenderingEngine,
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Enums,
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type Types,
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volumeLoader,
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imageLoader,
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} from "@cornerstonejs/core"
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import { init as csRenderInit } from "@cornerstonejs/core"
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import {
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cornerstoneNiftiImageLoader,
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createNiftiImageIdsAndCacheMetadata,
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} from "@cornerstonejs/nifti-volume-loader"
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import { ImageLoaderFn } from "@cornerstonejs/core/types"
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function Nifti() {
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const elementRef = useRef<HTMLDivElement>(null)
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const running = useRef(false)
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useEffect(() => {
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const setup = async () => {
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if (running.current) {
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return
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}
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running.current = true
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await csRenderInit()
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const viewportId1 = "CT_NIFTI_AXIAL"
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const niftiURL =
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"https://ohif-assets.s3.us-east-2.amazonaws.com/nifti/CTACardio.nii.gz"
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imageLoader.registerImageLoader(
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"nifti",
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cornerstoneNiftiImageLoader as unknown as ImageLoaderFn
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)
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const imageIds = await createNiftiImageIdsAndCacheMetadata({
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url: niftiURL,
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})
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const renderingEngineId = "myRenderingEngine"
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const renderingEngine = new RenderingEngine(renderingEngineId)
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const viewportInputArray = [
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{
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viewportId: viewportId1,
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type: Enums.ViewportType.STACK,
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element: elementRef.current,
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},
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]
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renderingEngine.setViewports(viewportInputArray)
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const vps = renderingEngine.getStackViewports()
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const viewport = vps[0]
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viewport.setStack(imageIds)
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renderingEngine.render()
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}
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setup()
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// Create a stack viewport
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}, [elementRef, running])
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return (
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<div
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ref={elementRef}
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style={{
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width: "512px",
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height: "512px",
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backgroundColor: "#000",
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}}
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></div>
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)
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}
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export default Nifti
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@@ -0,0 +1 @@
|
||||
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|
||||
|
After Width: | Height: | Size: 4.0 KiB |
@@ -0,0 +1,74 @@
|
||||
import { api } from "dicomweb-client"
|
||||
import cornerstoneDICOMImageLoader from "@cornerstonejs/dicom-image-loader"
|
||||
|
||||
/**
|
||||
/**
|
||||
* Uses dicomweb-client to fetch metadata of a study, cache it in cornerstone,
|
||||
* and return a list of imageIds for the frames.
|
||||
*
|
||||
* Uses the app config to choose which study to fetch, and which
|
||||
* dicom-web server to fetch it from.
|
||||
*
|
||||
* @returns {string[]} An array of imageIds for instances in the study.
|
||||
*/
|
||||
|
||||
/* export default async function createImageIdsAndCacheMetaData({
|
||||
StudyInstanceUID,
|
||||
SeriesInstanceUID,
|
||||
SOPInstanceUID = null,
|
||||
wadoRsRoot,
|
||||
client = null,
|
||||
}) {
|
||||
const SOP_INSTANCE_UID = "00080018"
|
||||
const SERIES_INSTANCE_UID = "0020000E"
|
||||
|
||||
const studySearchOptions = {
|
||||
studyInstanceUID: StudyInstanceUID,
|
||||
seriesInstanceUID: SeriesInstanceUID,
|
||||
}
|
||||
|
||||
client =
|
||||
client ||
|
||||
new api.DICOMwebClient({ url: wadoRsRoot as string, singlepart: true })
|
||||
const instances = await client.retrieveSeriesMetadata(studySearchOptions)
|
||||
const imageIds = instances.map((instanceMetaData) => {
|
||||
const SeriesInstanceUID = instanceMetaData[SERIES_INSTANCE_UID].Value[0]
|
||||
const SOPInstanceUIDToUse =
|
||||
SOPInstanceUID || instanceMetaData[SOP_INSTANCE_UID].Value[0]
|
||||
|
||||
const prefix = "wadors:"
|
||||
|
||||
const imageId =
|
||||
prefix +
|
||||
wadoRsRoot +
|
||||
"/studies/" +
|
||||
StudyInstanceUID +
|
||||
"/series/" +
|
||||
SeriesInstanceUID +
|
||||
"/instances/" +
|
||||
SOPInstanceUIDToUse +
|
||||
"/frames/1"
|
||||
|
||||
cornerstoneDICOMImageLoader.wadors.metaDataManager.add(
|
||||
imageId,
|
||||
instanceMetaData
|
||||
)
|
||||
return imageId
|
||||
})
|
||||
|
||||
// we don't want to add non-pet
|
||||
// Note: for 99% of scanners SUV calculation is consistent bw slices
|
||||
|
||||
return imageIds
|
||||
} */
|
||||
|
||||
const NUM_IMAGES = 10 // set to however many images you have
|
||||
|
||||
export default async function createImageIdsAndCacheMetaData() {
|
||||
const imageIds = []
|
||||
for (let i = 1; i <= NUM_IMAGES; i++) {
|
||||
const fileName = `IMG${String(i)}.dcm`
|
||||
imageIds.push(`wadouri:/test_images/stack/${fileName}`)
|
||||
}
|
||||
return imageIds
|
||||
}
|
||||
@@ -0,0 +1,12 @@
|
||||
import React from 'react'
|
||||
import ReactDOM from 'react-dom/client'
|
||||
import App from './App.tsx'
|
||||
import Nifti from './Nifti.tsx'
|
||||
import './index.css'
|
||||
|
||||
ReactDOM.createRoot(document.getElementById('root')!).render(
|
||||
<React.StrictMode>
|
||||
<App />
|
||||
{/* <Nifti /> */}
|
||||
</React.StrictMode>,
|
||||
)
|
||||
Vendored
+1
@@ -0,0 +1 @@
|
||||
/// <reference types="vite/client" />
|
||||
Reference in New Issue
Block a user