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fix(PT measurement units): Non-SUV scaled, but pre-scaled PTs should show proper units #686

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merged 3 commits into from
Jul 13, 2023
+230 −220
Merged

fix(PT measurement units): Non-SUV scaled, but pre-scaled PTs should show proper units #686

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e950901
fix(PT measurement units): SUV scaled PTs show SUV units.
jbocce Jul 6, 2023
79ef251
PR feedback:
jbocce Jul 12, 2023
43b0376
Updated the API docs.
jbocce Jul 12, 2023
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58 changes: 31 additions & 27 deletions packages/tools/src/tools/annotation/CircleROITool.ts
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -661,6 +661,14 @@ class CircleROITool extends AnnotationTool {

const { centerPointRadius } = this.configuration;

const isPreScaled = isViewportPreScaled(viewport, targetId);

const isSuvScaled = this.isSuvScaled(
viewport,
targetId,
annotation.metadata.referencedImageId
);

// If cachedStats does not exist, or the unit is missing (as part of import/hydration etc.),
// force to recalculate the stats from the points
if (
Expand All @@ -683,14 +691,18 @@ class CircleROITool extends AnnotationTool {
annotation,
viewport,
renderingEngine,
enabledElement
enabledElement,
isPreScaled,
isSuvScaled
);
} else if (annotation.invalidated) {
this._throttledCalculateCachedStats(
annotation,
viewport,
renderingEngine,
enabledElement
enabledElement,
isPreScaled,
isSuvScaled
);
// If the invalidated data is as a result of volumeViewport manipulation
// of the tools, we need to invalidate the related viewports data, so that
Expand Down Expand Up @@ -797,20 +809,7 @@ class CircleROITool extends AnnotationTool {

renderStatus = true;

const isPreScaled = isViewportPreScaled(viewport, targetId);

const isSuvScaled = this.isSuvScaled(
viewport,
targetId,
annotation.metadata.referencedImageId
);

const textLines = this._getTextLines(
data,
targetId,
isPreScaled,
isSuvScaled
);
const textLines = this._getTextLines(data, targetId);
if (!textLines || textLines.length === 0) {
continue;
}
Expand Down Expand Up @@ -854,12 +853,7 @@ class CircleROITool extends AnnotationTool {
return renderStatus;
};

_getTextLines = (
data,
targetId: string,
isPreScaled: boolean,
isSuvScaled: boolean
): string[] => {
_getTextLines = (data, targetId: string): string[] => {
const cachedVolumeStats = data.cachedStats[targetId];
const {
radius,
Expand All @@ -871,10 +865,10 @@ class CircleROITool extends AnnotationTool {
isEmptyArea,
Modality,
areaUnit,
modalityUnit,
} = cachedVolumeStats;

const textLines: string[] = [];
const unit = getModalityUnit(Modality, isPreScaled, isSuvScaled);

if (radius) {
const radiusLine = isEmptyArea
Expand All @@ -891,15 +885,15 @@ class CircleROITool extends AnnotationTool {
}

if (mean) {
textLines.push(`Mean: ${mean.toFixed(2)} ${unit}`);
textLines.push(`Mean: ${mean.toFixed(2)} ${modalityUnit}`);
}

if (max) {
textLines.push(`Max: ${max.toFixed(2)} ${unit}`);
textLines.push(`Max: ${max.toFixed(2)} ${modalityUnit}`);
}

if (stdDev) {
textLines.push(`Std Dev: ${stdDev.toFixed(2)} ${unit}`);
textLines.push(`Std Dev: ${stdDev.toFixed(2)} ${modalityUnit}`);
}

return textLines;
Expand All @@ -909,7 +903,9 @@ class CircleROITool extends AnnotationTool {
annotation,
viewport,
renderingEngine,
enabledElement
enabledElement,
isPreScaled,
isSuvScaled
) => {
const data = annotation.data;
const { viewportId, renderingEngineId } = enabledElement;
Expand Down Expand Up @@ -1037,6 +1033,13 @@ class CircleROITool extends AnnotationTool {
stdDev /= count;
stdDev = Math.sqrt(stdDev);

const modalityUnit = getModalityUnit(
metadata.Modality,
isPreScaled,
isSuvScaled,
annotation.metadata.referencedImageId
);

cachedStats[targetId] = {
Modality: metadata.Modality,
area,
Expand All @@ -1048,6 +1051,7 @@ class CircleROITool extends AnnotationTool {
radius: worldWidth / 2,
radiusUnit: hasPixelSpacing ? 'mm' : 'px',
perimeter: 2 * Math.PI * (worldWidth / 2),
modalityUnit,
};
} else {
this.isHandleOutsideImage = true;
Expand Down
39 changes: 23 additions & 16 deletions packages/tools/src/tools/annotation/DragProbeTool.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -155,16 +155,36 @@ class DragProbeTool extends ProbeTool {

const color = this.getStyle('color', styleSpecifier, annotation);

const isPreScaled = isViewportPreScaled(viewport, targetId);

const isSuvScaled = this.isSuvScaled(
viewport,
targetId,
annotation.metadata.referencedImageId
);

if (!data.cachedStats[targetId]) {
data.cachedStats[targetId] = {
Modality: null,
index: null,
value: null,
};

this._calculateCachedStats(annotation, renderingEngine, enabledElement);
this._calculateCachedStats(
annotation,
renderingEngine,
enabledElement,
isPreScaled,
isSuvScaled
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);
} else if (annotation.invalidated) {
this._calculateCachedStats(annotation, renderingEngine, enabledElement);
this._calculateCachedStats(
annotation,
renderingEngine,
enabledElement,
isPreScaled,
isSuvScaled
);
}

// If rendering engine has been destroyed while rendering
Expand All @@ -185,20 +205,7 @@ class DragProbeTool extends ProbeTool {

renderStatus = true;

const isPreScaled = isViewportPreScaled(viewport, targetId);

const isSuvScaled = this.isSuvScaled(
viewport,
targetId,
annotation.metadata.referencedImageId
);

const textLines = this._getTextLines(
data,
targetId,
isPreScaled,
isSuvScaled
);
const textLines = this._getTextLines(data, targetId);
if (textLines) {
const textCanvasCoordinates = [
canvasCoordinates[0] + 6,
Expand Down
59 changes: 31 additions & 28 deletions packages/tools/src/tools/annotation/EllipticalROITool.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -787,6 +787,14 @@ class EllipticalROITool extends AnnotationTool {

const { centerPointRadius } = this.configuration;

const isPreScaled = isViewportPreScaled(viewport, targetId);

const isSuvScaled = this.isSuvScaled(
viewport,
targetId,
annotation.metadata.referencedImageId
);

// If cachedStats does not exist, or the unit is missing (as part of import/hydration etc.),
// force to recalculate the stats from the points
if (
Expand All @@ -806,14 +814,18 @@ class EllipticalROITool extends AnnotationTool {
annotation,
viewport,
renderingEngine,
enabledElement
enabledElement,
isPreScaled,
isSuvScaled
);
} else if (annotation.invalidated) {
this._throttledCalculateCachedStats(
annotation,
viewport,
renderingEngine,
enabledElement
enabledElement,
isPreScaled,
isSuvScaled
);
// If the invalidated data is as a result of volumeViewport manipulation
// of the tools, we need to invalidate the related viewports data, so that
Expand Down Expand Up @@ -925,20 +937,7 @@ class EllipticalROITool extends AnnotationTool {

renderStatus = true;

const isPreScaled = isViewportPreScaled(viewport, targetId);

const isSuvScaled = this.isSuvScaled(
viewport,
targetId,
annotation.metadata.referencedImageId
);

const textLines = this._getTextLines(
data,
targetId,
isPreScaled,
isSuvScaled
);
const textLines = this._getTextLines(data, targetId);
if (!textLines || textLines.length === 0) {
continue;
}
Expand Down Expand Up @@ -982,18 +981,12 @@ class EllipticalROITool extends AnnotationTool {
return renderStatus;
};

_getTextLines = (
data,
targetId: string,
isPreScaled: boolean,
isSuvScaled: boolean
): string[] => {
_getTextLines = (data, targetId: string): string[] => {
const cachedVolumeStats = data.cachedStats[targetId];
const { area, mean, stdDev, max, isEmptyArea, Modality, areaUnit } =
const { area, mean, stdDev, max, isEmptyArea, areaUnit, modalityUnit } =
cachedVolumeStats;

const textLines: string[] = [];
const unit = getModalityUnit(Modality, isPreScaled, isSuvScaled);

if (area) {
const areaLine = isEmptyArea
Expand All @@ -1003,15 +996,15 @@ class EllipticalROITool extends AnnotationTool {
}

if (mean) {
textLines.push(`Mean: ${mean.toFixed(2)} ${unit}`);
textLines.push(`Mean: ${mean.toFixed(2)} ${modalityUnit}`);
}

if (max) {
textLines.push(`Max: ${max.toFixed(2)} ${unit}`);
textLines.push(`Max: ${max.toFixed(2)} ${modalityUnit}`);
}

if (stdDev) {
textLines.push(`Std Dev: ${stdDev.toFixed(2)} ${unit}`);
textLines.push(`Std Dev: ${stdDev.toFixed(2)} ${modalityUnit}`);
}

return textLines;
Expand All @@ -1021,7 +1014,9 @@ class EllipticalROITool extends AnnotationTool {
annotation,
viewport,
renderingEngine,
enabledElement
enabledElement,
isPreScaled,
isSuvScaled
) => {
const data = annotation.data;
const { viewportId, renderingEngineId } = enabledElement;
Expand Down Expand Up @@ -1149,6 +1144,13 @@ class EllipticalROITool extends AnnotationTool {
stdDev /= count;
stdDev = Math.sqrt(stdDev);

const modalityUnit = getModalityUnit(
metadata.Modality,
isPreScaled,
isSuvScaled,
annotation.metadata.referencedImageId
);

cachedStats[targetId] = {
Modality: metadata.Modality,
area,
Expand All @@ -1157,6 +1159,7 @@ class EllipticalROITool extends AnnotationTool {
stdDev,
isEmptyArea,
areaUnit: hasPixelSpacing ? 'mm' : 'px',
modalityUnit,
};
} else {
this.isHandleOutsideImage = true;
Expand Down
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