Configuration

This step assumes you have an imaging archive. If you need assistance setting one up, check out the Data Source Guide or a deployment recipe that contains an open source Image Archive

Overview

Configuration Files

The configuration for our viewer is in the <root>platform/viewer/public/config directory. Our build process knows which configuration file to use based on the APP_CONFIG environment variable. By default, its value is config/default.js. The majority of the viewer's features, and registered extension's features, are configured using this file.

Embedded Use Note:

Alternatively, when using the commonjs bundle for embedded use cases, these same values are what you'll pass to installViewer method:

OHIFStandaloneViewer.installViewer(window.config)

Environment Variables

We use environment variables at build and dev time to change the Viewer's behavior. We can update the HTML_TEMPLATE to easily change which extensions are registered, and specify a different APP_CONFIG to connect to an alternative data source (or even specify different default hotkeys).

Environment Variable Description Default
HTML_TEMPLATE Which HTML template to use as our web app's entry point. Specific to PWA builds. index.html
PUBLIC_URL The route relative to the host that the app will be served from. Specific to PWA builds. /
APP_CONFIG Which [configuration file][config-file] to copy to output as app-config.js config/default.js
PROXY_TARGET When developing, proxy requests that match this pattern to PROXY_DOMAIN undefined
PROXY_DOMAIN When developing, proxy requests from PROXY_TARGET to PROXY_DOMAIN undefined

Registering Extensions

:warn: Instructions coming soon

How do I configure my project?

The simplest way is to update the existing default config:

/platform/viewer/public/config/default.js

window.config = {
  routerBasename: '/',
  servers: {
    dicomWeb: [
      {
        name: 'DCM4CHEE',
        wadoUriRoot: 'https://server.dcmjs.org/dcm4chee-arc/aets/DCM4CHEE/wado',
        qidoRoot: 'https://server.dcmjs.org/dcm4chee-arc/aets/DCM4CHEE/rs',
        wadoRoot: 'https://server.dcmjs.org/dcm4chee-arc/aets/DCM4CHEE/rs',
        qidoSupportsIncludeField: true,
        imageRendering: 'wadors',
        thumbnailRendering: 'wadors',
      },
    ],
  },
};

You can also create a new config file and specify its path relative to the build output's root by setting the APP_CONFIG environment variable. You can set the value of this environment variable a few different ways:

After updating the configuration, yarn run build to generate updated build output.

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