Papaya

Papaya is a pure JavaScript medical research image viewer, supporting DICOM and NIFTI formats, compatible across a range of web browsers. This orthogonal viewer supports overlays, atlases, GIFTI & VTK surface data and DTI data. The Papaya UI is configurable with many display, menu and control options and can be run on a web server or as a local, shareable file.

ScreenShot

Documentation & Demo

Requirements: Firefox (7+), Chrome (7+), Safari (6+), iOS (6+), IE (10+), Edge (12+)
Supported Formats: NIFTI (.nii, .nii.gz), DICOM (compressed/uncompressed), GIFTI (.surf.gii), VTK

Quickstart Guide

Development

Load tests/debug_local.html or tests/debug_server.html in your favorite JavaScript debugger.

Building

See here for the latest release or run papaya-builder.sh to create your own build. See the documentation for more information.

Build using npm: npm run build

Usage & Configuration

Basic usage (loads a blank viewer)

<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" lang="en">
    <head>
        <link rel="stylesheet" type="text/css" href="papaya.css" />
        <script type="text/javascript" src="papaya.js"></script>
        <title>Papaya Viewer</title>
    </head>

    <body>
        <div class="papaya"></div>
    </body>
</html>

To automatically load images and configure other options

<head>
    ...
    <script type="text/javascript">
        var params = [];
        params["worldSpace"] = true;
        params["images"] = ["data/myBaseImage.nii.gz", "data/myOverlayImage.nii.gz"];
        params["surfaces"] = ["data/mySurface.surf.gii"];
        params["myOverlayImage.nii.gz"] = {"min": 4, "max": 10};
    </script>
</head>

...

<div class="papaya" data-params="params"></div>

Acknowledgments

Papaya uses:

Daikon for DICOM support
NIFTI-Reader-JS for NIFTI support
GIFTI-Reader-JS for GIFTI support

As well as the following third-party libraries:

bowser — for browser detection
Closure Compiler — JavaScript compression
jquery — DOM manipulation
numerics — for matrix math
pako — for GZIP inflating

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