@cleerlycode/cornerstone-wado-image-loader
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Cornerstone ImageLoader for DICOM WADO-URI
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<h2><a href="index.html">Home</a></h2><h3>Global</h3><ul><li><a href="global.html#addTask">addTask</a></li><li><a href="global.html#arrayBufferToString">arrayBufferToString</a></li><li><a href="global.html#cacheSizeInBytes">cacheSizeInBytes</a></li><li><a href="global.html#cancelTask">cancelTask</a></li><li><a href="global.html#framesAreFragmented">framesAreFragmented</a></li><li><a href="global.html#getNumberString">getNumberString</a></li><li><a href="global.html#getNumberValues">getNumberValues</a></li><li><a href="global.html#getStatistics">getStatistics</a></li><li><a href="global.html#getTransferSyntaxForContentType">getTransferSyntaxForContentType</a></li><li><a href="global.html#getUncompressedImageFrame">getUncompressedImageFrame</a></li><li><a href="global.html#getValue">getValue</a></li><li><a href="global.html#handleMessageFromWorker">handleMessageFromWorker</a></li><li><a href="global.html#handler">handler</a></li><li><a href="global.html#initialize">initialize</a></li><li><a href="global.html#loadCodecs">loadCodecs</a></li><li><a href="global.html#loadWebWorkerTask">loadWebWorkerTask</a></li><li><a href="global.html#registerLoaders">registerLoaders</a></li><li><a href="global.html#registerTaskHandler">registerTaskHandler</a></li><li><a href="global.html#setPixelDataType">setPixelDataType</a></li><li><a href="global.html#setTaskPriority">setTaskPriority</a></li><li><a href="global.html#spawnWebWorker">spawnWebWorker</a></li><li><a href="global.html#startTaskOnWebWorker">startTaskOnWebWorker</a></li><li><a href="global.html#unpackBinaryFrame">unpackBinaryFrame</a></li></ul>
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<h1 class="page-title">imageLoader/wadors/metaData/getValue.js</h1>
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<pre class="prettyprint source linenums"><code>
/**
* Returns the raw value
*
* @param element - The javascript object for the specified element in the metadata
* @param [index] - the index of the value in a multi-valued element, default is 0
* @param [defaultValue] - The default value to return if the element does not exist
* @returns {*}
*/
function getValue (element, index, defaultValue) {
index = index || 0;
if (!element) {
return defaultValue;
}
// Value is not present if the attribute has a zero length value
if (!element.Value) {
return defaultValue;
}
// make sure we have the specified index
if (element.Value.length <= index) {
return defaultValue;
}
return element.Value[index];
}
export default getValue;
</code></pre>
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