99 lines
2.9 KiB
Markdown
99 lines
2.9 KiB
Markdown
# Embedded Viewer
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The quickest and easiest way to get the OHIF Viewer up and running is to embed
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it into an existing web application. It allows us to forego a "build step", and
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add a powerful medical imaging viewer to an existing web page using only a few
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include tags. Here's how it works:
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{% include "./../_embedded-viewer-diagram.md" %}
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1. Create a new web page or template that includes the following external
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dependencies:
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<ul>
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<li>
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<a href="https://fonts.googleapis.com/css?family=Roboto:100,300,400,500,700&display=swap">
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<code>Google Font: Roboto</code>
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</a>
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</li>
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<li>
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<a href="https://unpkg.com/react@16/umd/react.production.min.js">
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<code>react@16.8.6</code>
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</a>
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</li>
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<li>
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<a href="https://unpkg.com/react-dom@16/umd/react-dom.production.min.js">
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<code>react-dom@16.8.6</code>
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</a>
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</li>
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<li>
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<a href="https://unpkg.com/@ohif/viewer">
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<code>@ohif/viewer@latest</code>
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</a>
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</li>
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</ul>
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<ol start="2">
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<li>Create a JS Object to hold the OHIF Viewer's configuration. Here are some
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example values that would allow the viewer to hit our public PACS:</li>
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</ol>
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```js
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// Set before importing `ohif-viewer`
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window.config = {
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// default: '/'
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routerBasename: '/',
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servers: {
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dicomWeb: [
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{
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name: 'DCM4CHEE',
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wadoUriRoot: 'https://server.dcmjs.org/dcm4chee-arc/aets/DCM4CHEE/wado',
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qidoRoot: 'https://server.dcmjs.org/dcm4chee-arc/aets/DCM4CHEE/rs',
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wadoRoot: 'https://server.dcmjs.org/dcm4chee-arc/aets/DCM4CHEE/rs',
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qidoSupportsIncludeField: true,
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imageRendering: 'wadors',
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thumbnailRendering: 'wadors',
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},
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],
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},
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};
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```
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<ol start="5"><li>
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Render the viewer in the web page's target <code>div</code>
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</li></ol>
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```js
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// Made available by the `@ohif/viewer` script included in step 1
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var Viewer = window.OHIFStandaloneViewer.App;
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var app = React.createElement(Viewer, window.config, null);
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ReactDOM.render(app, document.getElementById('ohif-viewer-target'));
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```
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#### Tips & Tricks
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> I'm having trouble getting this to work. Where can I go for help?
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First, check out this fully functional [CodeSandbox][code-sandbox] example. If
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you're still having trouble, feel free to search or GitHub issues. Can't find
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anything related your problem? Create a new one.
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> My application's styles are impacting the OHIF Viewer's look and feel. What
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> can I do?
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When you include stylesheets and scripts, they are added globally. This has the
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potential of causing conflicts with other scripts and styles on the page. To
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prevent this, `embed` the viewer in a new/empty web page. Have that working?
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Good. Now `embed` that new page using an
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[`<iframe>` element](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/iframe).
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This should produce the expected result while also protecting your page from any
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globally defined styles/scripts.
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<!--
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LINKS
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-->
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[code-sandbox]: https://codesandbox.io/s/ohif-viewer-script-tag-usage-b3st9
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