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import getSOPInstanceAttributes from './utils/getSOPInstanceAttributes';
import { getDisplayUnit } from './utils';
import { utils } from '@ohif/core';
import { getIsLocked } from './utils/getIsLocked';
import { getIsVisible } from './utils/getIsVisible';
/**
* Represents a mapping utility for Livewire measurements.
*/
const LivewireContour = {
toAnnotation: measurement => {},
/**
* Maps cornerstone annotation event data to measurement service format.
*
* @param {Object} csToolsEventDetail Cornerstone event data
* @param {DisplaySetService} DisplaySetService Service for managing display sets
* @param {CornerstoneViewportService} CornerstoneViewportService Service for managing viewports
* @param {Function} getValueTypeFromToolType Function to get value type from tool type
* @returns {Measurement} Measurement instance
*/
toMeasurement: (
csToolsEventDetail,
DisplaySetService,
CornerstoneViewportService,
getValueTypeFromToolType,
customizationService
) => {
const { annotation } = csToolsEventDetail;
const { metadata, data, annotationUID } = annotation;
const isLocked = getIsLocked(annotationUID);
const isVisible = getIsVisible(annotationUID);
Iif (!metadata || !data) {
console.warn('Livewire tool: Missing metadata or data');
return null;
}
const { toolName, referencedImageId, FrameOfReferenceUID } = metadata;
const validToolType = SUPPORTED_TOOLS.includes(toolName);
Iif (!validToolType) {
throw new Error(`Tool ${toolName} not supported`);
}
const { SOPInstanceUID, SeriesInstanceUID, frameNumber, StudyInstanceUID } =
getSOPInstanceAttributes(referencedImageId);
let displaySet;
if (SOPInstanceUID) {
displaySet = DisplaySetService.getDisplaySetForSOPInstanceUID(
SOPInstanceUID,
SeriesInstanceUID
);
} else E{
displaySet = DisplaySetService.getDisplaySetsForSeries(SeriesInstanceUID);
}
return {
uid: annotationUID,
SOPInstanceUID,
FrameOfReferenceUID,
points: data.contour.polyline,
textBox: data.handles.textBox,
metadata,
frameNumber,
referenceSeriesUID: SeriesInstanceUID,
referenceStudyUID: StudyInstanceUID,
toolName: metadata.toolName,
displaySetInstanceUID: displaySet.displaySetInstanceUID,
label: data.label,
isLocked,
isVisible,
displayText: getDisplayText(annotation, displaySet),
data: data.cachedStats,
type: getValueTypeFromToolType(toolName),
getReport: () => getColumnValueReport(annotation, customizationService),
};
},
};
/**
* This function is used to convert the measurement data to a
* format that is suitable for report generation (e.g. for the csv report).
* The report returns a list of columns and corresponding values.
*
* @param {object} annotation
* @returns {object} Report's content from this tool
*/
function getColumnValueReport(annotation, customizationService) {
const columns = [];
const values = [];
/** Add type */
columns.push('AnnotationType');
values.push('Cornerstone:Livewire');
/** Add cachedStats */
const { metadata, data } = annotation;
/** Add FOR */
Iif (metadata.FrameOfReferenceUID) {
columns.push('FrameOfReferenceUID');
values.push(metadata.FrameOfReferenceUID);
}
/** Add points */
Iif (data.contour.polyline) {
/**
* Points has the form of [[x1, y1, z1], [x2, y2, z2], ...]
* convert it to string of [[x1 y1 z1];[x2 y2 z2];...]
* so that it can be used in the CSV report
*/
columns.push('points');
values.push(data.contour.polyline.map(p => p.join(' ')).join(';'));
}
return { columns, values };
}
/**
* Retrieves the display text for an annotation in a display set.
*
* @param {Object} annotation - The annotation object.
* @param {Object} displaySet - The display set object.
* @returns {string[]} - An array of display text.
*/
function getDisplayText(annotation, displaySet) {
const { metadata, data } = annotation;
if (!data.cachedStats || !data.cachedStats[`imageId:${metadata.referencedImageId}`]) {
return [];
}
const { area, areaUnit } = data.cachedStats[`imageId:${metadata.referencedImageId}`];
const { SOPInstanceUID, frameNumber } = getSOPInstanceAttributes(metadata.referencedImageId);
const displayText = [];
const instance = displaySet.instances.find(image => image.SOPInstanceUID === SOPInstanceUID);
let InstanceNumber;
if (instance) {
InstanceNumber = instance.InstanceNumber;
}
const instanceText = InstanceNumber ? ` I: ${InstanceNumber}` : '';
const frameText = displaySet.isMultiFrame ? ` F: ${frameNumber}` : '';
const { SeriesNumber } = displaySet;
let seriesText = null;
if (SeriesNumber !== undefined) {
seriesText = `S: ${SeriesNumber}${instanceText}${frameText}`;
}
const texts = [];
if (area) {
const roundedArea = utils.roundNumber(area || 0, 2);
texts.push(`${roundedArea} ${getDisplayUnit(areaUnit)}`);
}
if (seriesText) {
texts.push(seriesText);
}
displayText.push({
text: texts,
series: seriesText,
});
return displayText;
}
export default LivewireContour;
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