fix: 🐛 ReferenceError: fracToDec is not defined (#51)

Closes: #50

Author: JamesAPetts

examples/VTKBasicExample.js

@@ -12,11 +12,11 @@ import vtkVolumeMapper from 'vtk.js/Sources/Rendering/Core/VolumeMapper';
 const PRESETS = {
   BONE: {
     windowWidth: 100,
-    windowCenter: 500,
+    windowCenter: 500 + 1024, // TODO: The data we load is unscaled, so we need to move our preset.
   },
   HEAD: {
     windowWidth: 1000,
-    windowCenter: 300,
+    windowCenter: 300 + 1024, // TODO: The data we load is unscaled, so we need to move our preset.
   },
 };
 class VTKBasicExample extends Component {
@@ -51,6 +51,9 @@ class VTKBasicExample extends Component {
 
     const volume = this.state.volumes[0];
     const rgbTransferFunction = volume.getProperty().getRGBTransferFunction(0);
+
+    this.state.volume;
+
     const low = voi.windowCenter - voi.windowWidth / 2;
     const high = voi.windowCenter + voi.windowWidth / 2;
 

src/lib/data/insertSlice.js

@@ -91,12 +91,12 @@ function _getScalingFunctionForModality(image) {
     }
 
     const acquisitionTimeInSeconds =
-      fracToDec(seriesAcquisitionTime.fractionalSeconds || 0) +
+      _fracToDec(seriesAcquisitionTime.fractionalSeconds || 0) +
       seriesAcquisitionTime.seconds +
       seriesAcquisitionTime.minutes * 60 +
       seriesAcquisitionTime.hours * 60 * 60;
     const injectionStartTimeInSeconds =
-      fracToDec(startTime.fractionalSeconds) +
+      _fracToDec(startTime.fractionalSeconds) +
       startTime.seconds +
       startTime.minutes * 60 +
       startTime.hours * 60 * 60;
@@ -120,3 +120,16 @@ function _getSUV(slope, intercept, patientWeight, correctedDose, pixel) {
 function _getModalityScaledPixel(slope, intercept, pixel) {
   return pixel * slope + intercept;
 }
+
+/**
+ * Returns a decimal value given a fractional value.
+ * @private
+ * @method
+ * @name _fracToDec
+ *
+ * @param  {number} fractionalValue The value to convert.
+ * @returns {number}                 The value converted to decimal.
+ */
+function _fracToDec(fractionalValue) {
+  return parseFloat(`.${fractionalValue}`);
+}

src/lib/loadImageData.js

@@ -27,19 +27,6 @@ function loadImageDataProgressively(imageIds, imageData, metaDataMap, zAxis) {
   return Promise.all(loadImagePromises);
 }
 
-/**
- * Returns a decimal value given a fractional value.
- * @private
- * @method
- * @name fracToDec
- *
- * @param  {number} fractionalValue The value to convert.
- * @returns {number}                 The value converted to decimal.
- */
-function fracToDec(fractionalValue) {
-  return parseFloat(`.${fractionalValue}`);
-}
-
 export default function loadImageData(imageDataObject) {
   return loadImageDataProgressively(
     imageDataObject.imageIds,