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import { getDisplayUnit } from './utils';
import { getIsLocked } from './utils/getIsLocked';
import { getIsVisible } from './utils/getIsVisible';
import getSOPInstanceAttributes from './utils/getSOPInstanceAttributes';
import { utils } from '@ohif/core';
const CobbAngle = {
toAnnotation: measurement => {},
/**
* Maps cornerstone annotation event data to measurement service format.
*
* @param {Object} cornerstone Cornerstone event data
* @return {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('Cobb Angle tool: Missing metadata or data');
return null;
}
const { toolName, referencedImageId, FrameOfReferenceUID } = metadata;
const validToolType = SUPPORTED_TOOLS.includes(toolName);
Iif (!validToolType) {
throw new Error('Tool not supported');
}
const { SOPInstanceUID, SeriesInstanceUID, StudyInstanceUID } = getSOPInstanceAttributes(
referencedImageId,
displaySetService,
annotation
);
let displaySet;
if (SOPInstanceUID) {
displaySet = displaySetService.getDisplaySetForSOPInstanceUID(
SOPInstanceUID,
SeriesInstanceUID
);
} else E{
displaySet = displaySetService.getDisplaySetsForSeries(SeriesInstanceUID)[0];
}
const { points, textBox } = data.handles;
const mappedAnnotations = getMappedAnnotations(annotation, displaySetService);
const displayText = getDisplayText(mappedAnnotations, displaySet);
const getReport = () =>
_getReport(mappedAnnotations, points, FrameOfReferenceUID, customizationService);
return {
uid: annotationUID,
SOPInstanceUID,
FrameOfReferenceUID,
points,
textBox,
isLocked,
isVisible,
metadata,
referenceSeriesUID: SeriesInstanceUID,
referenceStudyUID: StudyInstanceUID,
referencedImageId,
frameNumber: mappedAnnotations?.[0]?.frameNumber || 1,
toolName: metadata.toolName,
displaySetInstanceUID: displaySet.displaySetInstanceUID,
label: data.label,
displayText: displayText,
data: data.cachedStats,
type: getValueTypeFromToolType(toolName),
getReport,
};
},
};
function getMappedAnnotations(annotation, displaySetService) {
const { metadata, data } = annotation;
const { cachedStats } = data;
const { referencedImageId } = metadata;
const targets = Object.keys(cachedStats);
if (!targets.length) {
return;
}
const annotations = [];
Object.keys(cachedStats).forEach(targetId => {
const targetStats = cachedStats[targetId];
const { SOPInstanceUID, SeriesInstanceUID, frameNumber } = getSOPInstanceAttributes(
referencedImageId,
displaySetService,
annotation
);
const displaySet = displaySetService.getDisplaySetsForSeries(SeriesInstanceUID)[0];
const { SeriesNumber } = displaySet;
const { angle } = targetStats;
const unit = '\u00B0';
annotations.push({
SeriesInstanceUID,
SOPInstanceUID,
SeriesNumber,
frameNumber,
unit,
angle,
});
});
return annotations;
}
/*
This function is used to convert the measurement data to a format that is
suitable for the report generation (e.g. for the csv report). The report
returns a list of columns and corresponding values.
*/
function _getReport(mappedAnnotations, points, FrameOfReferenceUID, customizationService) {
const columns = [];
const values = [];
// Add Type
columns.push('AnnotationType');
values.push('Cornerstone:CobbAngle');
mappedAnnotations.forEach(annotation => {
const { angle, unit } = annotation;
columns.push(`Angle (${unit})`);
values.push(angle);
});
Iif (FrameOfReferenceUID) {
columns.push('FrameOfReferenceUID');
values.push(FrameOfReferenceUID);
}
Iif (points) {
columns.push('points');
// 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
values.push(points.map(p => p.join(' ')).join(';'));
}
return {
columns,
values,
};
}
function getDisplayText(mappedAnnotations, displaySet) {
const displayText = {
primary: [],
secondary: [],
};
if (!mappedAnnotations || !mappedAnnotations.length) {
return displayText;
}
// Angle is the same for all series
const { angle, unit, SeriesNumber, SOPInstanceUID, frameNumber } = mappedAnnotations[0];
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: ${frameNumber}` : '';
Iif (angle === undefined) {
return displayText;
}
const roundedAngle = utils.roundNumber(angle, 2);
displayText.primary.push(`${roundedAngle} ${getDisplayUnit(unit)}`);
displayText.secondary.push(`S: ${SeriesNumber}${instanceText}${frameText}`);
return displayText;
}
export default CobbAngle;
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