suv融合pt图像调整

2025-05-14 15:06:52 +08:00
parent 9ce6ff25b9
commit 49aa98af9f
2 changed files with 11 additions and 4 deletions
@@ -4,7 +4,8 @@ import vtkPiecewiseFunction from '@kitware/vtk.js/Common/DataModel/PiecewiseFunc
 import { utilities } from '@cornerstonejs/core'
 const { getColormap } = utilities.colormap
 function setPetColorMapTransferFunctionForVolumeActor(
-  volumeInfo
+  volumeInfo,
+  isPT = false
 ) {
  const { volumeActor, preset } = volumeInfo
  const mapper = volumeActor.getMapper()
@@ -22,8 +23,14 @@ function setPetColorMapTransferFunctionForVolumeActor(

  // Create scalar opacity function
  const ofun = vtkPiecewiseFunction.newInstance()
-  ofun.addPoint(0, 0.0)
-  ofun.addPoint(0.1, 0.9)
+  if (isPT) {
+    ofun.addPoint(0, 0.0)
+    ofun.addPoint(0.1, 1.0)
+  } else {
+    ofun.addPoint(0, 0.0)
+    ofun.addPoint(0.1, 0.9)
+  }
+
  ofun.addPoint(5, 1.0)

  volumeActor.getProperty().setScalarOpacity(0, ofun)
@@ -592,7 +592,7 @@ export default {
              .setVolumes([{
                volumeId: this.volumeId, callback: (r) => {
                  if (this.series.Modality === 'PT') {
-                    setPetColorMapTransferFunctionForVolumeActor(r)
+                    setPetColorMapTransferFunctionForVolumeActor(r, true)
                  } else {
                    setCtTransferFunctionForVolumeActor(r)
                  }