From 63e678a7473941f18aa11a4425dae9148fdcca05 Mon Sep 17 00:00:00 2001
From: "James A. Petts" <jamesapetts@gmail.com>
Date: Wed, 9 Oct 2019 10:38:12 +0100
Subject: [PATCH] =?UTF-8?q?fix:=20=F0=9F=90=9B=20ReferenceError:=20fracToD?=
 =?UTF-8?q?ec=20is=20not=20defined?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Closes: Closes #50
---
 examples/VTKBasicExample.js |  7 +++++--
 src/lib/data/insertSlice.js | 17 +++++++++++++++--
 src/lib/loadImageData.js    | 13 -------------
 3 files changed, 20 insertions(+), 17 deletions(-)

diff --git a/examples/VTKBasicExample.js b/examples/VTKBasicExample.js
index ded1271d..88a315e4 100644
--- a/examples/VTKBasicExample.js
+++ b/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;
 
diff --git a/src/lib/data/insertSlice.js b/src/lib/data/insertSlice.js
index aa5d2267..6dece591 100644
--- a/src/lib/data/insertSlice.js
+++ b/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}`);
+}
diff --git a/src/lib/loadImageData.js b/src/lib/loadImageData.js
index 48174ccb..62a63f4a 100644
--- a/src/lib/loadImageData.js
+++ b/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,