From 8ad3d0d3855e58598c40aa31dda69d4a7bea6b55 Mon Sep 17 00:00:00 2001
From: Yi-Ting Tu <ricktu256@gmail.com>
Date: Wed, 24 Jul 2024 20:54:33 -0400
Subject: [PATCH] Clarify the behavior of Detector

---
 simulator/js/objs/other/Detector.js | 2 ++
 simulator/js/simulator.js           | 6 +++---
 simulator/locales/de.js             | 8 ++++++++
 simulator/locales/en.js             | 6 ++++++
 simulator/locales/es.js             | 8 ++++++++
 simulator/locales/fr.js             | 8 ++++++++
 simulator/locales/ja.js             | 8 ++++++++
 simulator/locales/ko.js             | 8 ++++++++
 simulator/locales/nl.js             | 8 ++++++++
 simulator/locales/pl.js             | 8 ++++++++
 simulator/locales/pt_BR.js          | 8 ++++++++
 simulator/locales/ru.js             | 8 ++++++++
 simulator/locales/si.js             | 8 ++++++++
 simulator/locales/template.js       | 8 ++++++++
 simulator/locales/zh_CN.js          | 6 ++++++
 simulator/locales/zh_TW.js          | 6 ++++++
 16 files changed, 111 insertions(+), 3 deletions(-)

diff --git a/simulator/js/objs/other/Detector.js b/simulator/js/objs/other/Detector.js
index 0a723a49..78ace105 100644
--- a/simulator/js/objs/other/Detector.js
+++ b/simulator/js/objs/other/Detector.js
@@ -31,6 +31,8 @@ objTypes['Detector'] = class extends LineObjMixin(BaseSceneObj) {
   }
 
   populateObjBar(objBar) {
+    objBar.createInfoBox(getMsg('tool_Detector_info_popover'));
+
     objBar.createBoolean(getMsg('irradMap'), this.irradMap, function (obj, value) {
       obj.irradMap = value;
     }, null, true);
diff --git a/simulator/js/simulator.js b/simulator/js/simulator.js
index 497cbc30..efa4619b 100644
--- a/simulator/js/simulator.js
+++ b/simulator/js/simulator.js
@@ -243,7 +243,7 @@ function shootWaitingRays() {
       timerID = setTimeout(shootWaitingRays, firstBreak ? 100:1);
       firstBreak = false;
       document.getElementById('forceStop').style.display = '';
-      document.getElementById('simulatorStatus').innerHTML = getMsg("ray_count") + shotRayCount + '<br>' + getMsg("total_truncation") + totalTruncation.toFixed(3) + '<br>' + getMsg("time_elapsed") + (new Date() - drawBeginTime) + '<br>';
+      document.getElementById('simulatorStatus').innerHTML = getMsg("ray_count") + shotRayCount + '<br>' + getMsg("total_truncation") + totalTruncation.toFixed(3) + '<br>' + getMsg("brightness_scale") + ((brightnessScale <= 0) ? "-" : brightnessScale.toFixed(3)) + '<br>' + getMsg("time_elapsed") + (new Date() - drawBeginTime) + '<br>';
 
       draw(true, true); // Redraw the opticalObjs to avoid outdated information (e.g. detector readings).
 
@@ -633,7 +633,7 @@ function shootWaitingRays() {
   
   if (forceStop)
   {
-    document.getElementById('simulatorStatus').innerHTML = getMsg("ray_count") + shotRayCount + '<br>' + getMsg("total_truncation") + totalTruncation.toFixed(3) + '<br>' + getMsg("time_elapsed") + (new Date() - drawBeginTime) + '<br>' + getMsg("force_stopped");
+    document.getElementById('simulatorStatus').innerHTML = getMsg("ray_count") + shotRayCount + '<br>' + getMsg("total_truncation") + totalTruncation.toFixed(3) + '<br>' + getMsg("brightness_scale") + ((brightnessScale <= 0) ? "-" : brightnessScale.toFixed(3)) + '<br>' + getMsg("time_elapsed") + (new Date() - drawBeginTime) + '<br>' + getMsg("force_stopped");
     forceStop = false;
   }
   else if (hasExceededTime)
@@ -642,7 +642,7 @@ function shootWaitingRays() {
   }
   else
   {
-    document.getElementById('simulatorStatus').innerHTML = getMsg("ray_count") + shotRayCount + '<br>' + getMsg("total_truncation") + totalTruncation.toFixed(3) + '<br>' + getMsg("time_elapsed") + (new Date() - drawBeginTime);
+    document.getElementById('simulatorStatus').innerHTML = getMsg("ray_count") + shotRayCount + '<br>' + getMsg("total_truncation") + totalTruncation.toFixed(3) + '<br>' + getMsg("brightness_scale") + ((brightnessScale <= 0) ? "-" : brightnessScale.toFixed(3)) + '<br>' + getMsg("time_elapsed") + (new Date() - drawBeginTime);
   }
   document.getElementById('forceStop').style.display = 'none';
   //ctx.stroke();
diff --git a/simulator/locales/de.js b/simulator/locales/de.js
index a3266349..65e19158 100644
--- a/simulator/locales/de.js
+++ b/simulator/locales/de.js
@@ -791,6 +791,10 @@ locales["de"] = {
   "tool_Detector_popover": {
     "message": "Ein Messwerkzeug für Energieflussrate (P), der Rate des senkrechten Impulsflusses (F∩) und der Rate des parallelen Impulsflusses (F∥) durch ein Segment. (Ziehen oder Klicken zum Erzeugen.) Die Einheiten sind willkürlich."
   },
+  "tool_Detector_info_popover": {
+    "incomplete": true,
+    "message": "<ul><li>P: The rate of energy flow (flux) in B/s (see below).</li><li>F⊥: The rate of perpendicular momentum flow in (B/s)/c.</li><li>F∥: The rate of parallel momentum flow in (B/s)/c.</li><li>The irradiance in the exported CSV is in (B/s)/L.</li><li>L is the arbitrary unit of length used in this simulator.</li><li>B is an arbitrary unit of radiant flux or luminous flux, corresponding to the unit of the \"Brightness\" option being B/L for non-Lambertian beams and 500B/360° for point sources.</li><li>The dimensionless factor s is the \"Brightness Scale\" shown in Settings -> Show status box, which equals 1 when \"Ray Density\" is above some threshold and proportional to \"Ray Density\" otherwise.</li><li>If some rays are truncated in the infinite series of internal reflection, the total truncation is shown as error estimates.</li></ul>"
+  },
   "tool_TextLabel_popover": {
     "message": "Ein Text-Label."
   },
@@ -905,6 +909,10 @@ locales["de"] = {
     "incomplete": true,
     "message": "Truncated brightness: "
   },
+  "brightness_scale": {
+    "incomplete": true,
+    "message": "Brightness Scale: "
+  },
   "time_elapsed": {
     "incomplete": true,
     "message": "Time elapsed (ms): "
diff --git a/simulator/locales/en.js b/simulator/locales/en.js
index c10f9304..0eece80c 100644
--- a/simulator/locales/en.js
+++ b/simulator/locales/en.js
@@ -702,6 +702,9 @@ locales["en"] = {
   "tool_Detector_popover": {
     "message": "A tool for measuring the rate of energy flow (P), the rate of perpendicular momentum flow (F⊥), and the rate of parallel momentum flow (F∥) through a line segment. (Drag or click to create the line segment.) The units are arbitrary."
   },
+  "tool_Detector_info_popover": {
+    "message": "<ul><li>P: The rate of energy flow (flux) in B/s (see below).</li><li>F⊥: The rate of perpendicular momentum flow in (B/s)/c.</li><li>F∥: The rate of parallel momentum flow in (B/s)/c.</li><li>The irradiance in the exported CSV is in (B/s)/L.</li><li>L is the arbitrary unit of length used in this simulator.</li><li>B is an arbitrary unit of radiant flux or luminous flux, corresponding to the unit of the \"Brightness\" option being B/L for non-Lambertian beams and 500B/360° for point sources.</li><li>The dimensionless factor s is the \"Brightness Scale\" shown in Settings -> Show status box, which equals 1 when \"Ray Density\" is above some threshold and proportional to \"Ray Density\" otherwise.</li><li>If some rays are truncated in the infinite series of internal reflection, the total truncation is shown as error estimates.</li></ul>"
+  },
   "tool_TextLabel_popover": {
     "message": "A text label."
   },
@@ -795,6 +798,9 @@ locales["en"] = {
   "total_truncation": {
     "message": "Truncated brightness: "
   },
+  "brightness_scale": {
+    "message": "Brightness Scale: "
+  },
   "time_elapsed": {
     "message": "Time elapsed (ms): "
   },
diff --git a/simulator/locales/es.js b/simulator/locales/es.js
index c49882a7..30ce1530 100644
--- a/simulator/locales/es.js
+++ b/simulator/locales/es.js
@@ -726,6 +726,10 @@ locales["es"] = {
   "tool_Detector_popover": {
     "message": "Una herramienta para medir el flujo de energía (P), el momento perpendicular de flujo (F⊥), y el momento paralelo de flujo (F∥) a través de un segmento de recta. (Arrastre o clique para crear el segmento de recta.) Las unidades son arbitrarias."
   },
+  "tool_Detector_info_popover": {
+    "incomplete": true,
+    "message": "<ul><li>P: The rate of energy flow (flux) in B/s (see below).</li><li>F⊥: The rate of perpendicular momentum flow in (B/s)/c.</li><li>F∥: The rate of parallel momentum flow in (B/s)/c.</li><li>The irradiance in the exported CSV is in (B/s)/L.</li><li>L is the arbitrary unit of length used in this simulator.</li><li>B is an arbitrary unit of radiant flux or luminous flux, corresponding to the unit of the \"Brightness\" option being B/L for non-Lambertian beams and 500B/360° for point sources.</li><li>The dimensionless factor s is the \"Brightness Scale\" shown in Settings -> Show status box, which equals 1 when \"Ray Density\" is above some threshold and proportional to \"Ray Density\" otherwise.</li><li>If some rays are truncated in the infinite series of internal reflection, the total truncation is shown as error estimates.</li></ul>"
+  },
   "tool_TextLabel_popover": {
     "message": "Un cuadro de texto."
   },
@@ -826,6 +830,10 @@ locales["es"] = {
   "total_truncation": {
     "message": "Brillo truncado: "
   },
+  "brightness_scale": {
+    "incomplete": true,
+    "message": "Brightness Scale: "
+  },
   "time_elapsed": {
     "message": "Tiempo transcurrido (ms): "
   },
diff --git a/simulator/locales/fr.js b/simulator/locales/fr.js
index b821164d..6c2e877b 100644
--- a/simulator/locales/fr.js
+++ b/simulator/locales/fr.js
@@ -837,6 +837,10 @@ locales["fr"] = {
     "incomplete": true,
     "message": "A tool for measuring the rate of energy flow (P), the rate of perpendicular momentum flow (F⊥), and the rate of parallel momentum flow (F∥) through a line segment. (Drag or click to create the line segment.) The units are arbitrary."
   },
+  "tool_Detector_info_popover": {
+    "incomplete": true,
+    "message": "<ul><li>P: The rate of energy flow (flux) in B/s (see below).</li><li>F⊥: The rate of perpendicular momentum flow in (B/s)/c.</li><li>F∥: The rate of parallel momentum flow in (B/s)/c.</li><li>The irradiance in the exported CSV is in (B/s)/L.</li><li>L is the arbitrary unit of length used in this simulator.</li><li>B is an arbitrary unit of radiant flux or luminous flux, corresponding to the unit of the \"Brightness\" option being B/L for non-Lambertian beams and 500B/360° for point sources.</li><li>The dimensionless factor s is the \"Brightness Scale\" shown in Settings -> Show status box, which equals 1 when \"Ray Density\" is above some threshold and proportional to \"Ray Density\" otherwise.</li><li>If some rays are truncated in the infinite series of internal reflection, the total truncation is shown as error estimates.</li></ul>"
+  },
   "tool_TextLabel_popover": {
     "message": "Une légende, pour un objet quelconque."
   },
@@ -954,6 +958,10 @@ locales["fr"] = {
     "incomplete": true,
     "message": "Truncated brightness: "
   },
+  "brightness_scale": {
+    "incomplete": true,
+    "message": "Brightness Scale: "
+  },
   "time_elapsed": {
     "incomplete": true,
     "message": "Time elapsed (ms): "
diff --git a/simulator/locales/ja.js b/simulator/locales/ja.js
index 60468c10..7e9f2d97 100644
--- a/simulator/locales/ja.js
+++ b/simulator/locales/ja.js
@@ -934,6 +934,10 @@ locales["ja"] = {
     "incomplete": false,
     "message": "線分を通るエネルギー流の速度 (P)、垂直運動量流の速度 (F⊥)、および平行運動量流の速度 (F∥) を測定するためのツールです。 （ドラッグまたはクリックで線分を作成します。）単位は任意です。"
   },
+  "tool_Detector_info_popover": {
+    "incomplete": true,
+    "message": "<ul><li>P: The rate of energy flow (flux) in B/s (see below).</li><li>F⊥: The rate of perpendicular momentum flow in (B/s)/c.</li><li>F∥: The rate of parallel momentum flow in (B/s)/c.</li><li>The irradiance in the exported CSV is in (B/s)/L.</li><li>L is the arbitrary unit of length used in this simulator.</li><li>B is an arbitrary unit of radiant flux or luminous flux, corresponding to the unit of the \"Brightness\" option being B/L for non-Lambertian beams and 500B/360° for point sources.</li><li>The dimensionless factor s is the \"Brightness Scale\" shown in Settings -> Show status box, which equals 1 when \"Ray Density\" is above some threshold and proportional to \"Ray Density\" otherwise.</li><li>If some rays are truncated in the infinite series of internal reflection, the total truncation is shown as error estimates.</li></ul>"
+  },
   "tool_TextLabel_popover": {
     "incomplete": false,
     "message": "テキストラベル."
@@ -1058,6 +1062,10 @@ locales["ja"] = {
     "incomplete": true,
     "message": "Truncated brightness: "
   },
+  "brightness_scale": {
+    "incomplete": true,
+    "message": "Brightness Scale: "
+  },
   "time_elapsed": {
     "incomplete": true,
     "message": "Time elapsed (ms): "
diff --git a/simulator/locales/ko.js b/simulator/locales/ko.js
index cac4dd02..892bb9d5 100644
--- a/simulator/locales/ko.js
+++ b/simulator/locales/ko.js
@@ -934,6 +934,10 @@ locales["ko"] = {
     "incomplete": false,
     "message": "선분을 통해 전달되는 에너지 흐름 (P), 수직 방향 momentum flow (F⊥), 평행 방향 memontum flow (F∥) 을 측정하는 도구입니다. 단위는 임의값 (A.U.) 입니다.."
   },
+  "tool_Detector_info_popover": {
+    "incomplete": true,
+    "message": "<ul><li>P: The rate of energy flow (flux) in B/s (see below).</li><li>F⊥: The rate of perpendicular momentum flow in (B/s)/c.</li><li>F∥: The rate of parallel momentum flow in (B/s)/c.</li><li>The irradiance in the exported CSV is in (B/s)/L.</li><li>L is the arbitrary unit of length used in this simulator.</li><li>B is an arbitrary unit of radiant flux or luminous flux, corresponding to the unit of the \"Brightness\" option being B/L for non-Lambertian beams and 500B/360° for point sources.</li><li>The dimensionless factor s is the \"Brightness Scale\" shown in Settings -> Show status box, which equals 1 when \"Ray Density\" is above some threshold and proportional to \"Ray Density\" otherwise.</li><li>If some rays are truncated in the infinite series of internal reflection, the total truncation is shown as error estimates.</li></ul>"
+  },
   "tool_TextLabel_popover": {
     "incomplete": false,
     "message": "텍스트 추가"
@@ -1058,6 +1062,10 @@ locales["ko"] = {
     "incomplete": true,
     "message": "Truncated brightness: "
   },
+  "brightness_scale": {
+    "incomplete": true,
+    "message": "Brightness Scale: "
+  },
   "time_elapsed": {
     "incomplete": true,
     "message": "Time elapsed (ms): "
diff --git a/simulator/locales/nl.js b/simulator/locales/nl.js
index dd4dabb5..7f7c48f0 100644
--- a/simulator/locales/nl.js
+++ b/simulator/locales/nl.js
@@ -852,6 +852,10 @@ locales["nl"] = {
     "incomplete": true,
     "message": "A tool for measuring the rate of energy flow (P), the rate of perpendicular momentum flow (F⊥), and the rate of parallel momentum flow (F∥) through a line segment. (Drag or click to create the line segment.) The units are arbitrary."
   },
+  "tool_Detector_info_popover": {
+    "incomplete": true,
+    "message": "<ul><li>P: The rate of energy flow (flux) in B/s (see below).</li><li>F⊥: The rate of perpendicular momentum flow in (B/s)/c.</li><li>F∥: The rate of parallel momentum flow in (B/s)/c.</li><li>The irradiance in the exported CSV is in (B/s)/L.</li><li>L is the arbitrary unit of length used in this simulator.</li><li>B is an arbitrary unit of radiant flux or luminous flux, corresponding to the unit of the \"Brightness\" option being B/L for non-Lambertian beams and 500B/360° for point sources.</li><li>The dimensionless factor s is the \"Brightness Scale\" shown in Settings -> Show status box, which equals 1 when \"Ray Density\" is above some threshold and proportional to \"Ray Density\" otherwise.</li><li>If some rays are truncated in the infinite series of internal reflection, the total truncation is shown as error estimates.</li></ul>"
+  },
   "tool_TextLabel_popover": {
     "incomplete": true,
     "message": "A text label."
@@ -970,6 +974,10 @@ locales["nl"] = {
     "incomplete": true,
     "message": "Truncated brightness: "
   },
+  "brightness_scale": {
+    "incomplete": true,
+    "message": "Brightness Scale: "
+  },
   "time_elapsed": {
     "incomplete": true,
     "message": "Time elapsed (ms): "
diff --git a/simulator/locales/pl.js b/simulator/locales/pl.js
index c610be47..d1226a0e 100644
--- a/simulator/locales/pl.js
+++ b/simulator/locales/pl.js
@@ -744,6 +744,10 @@ locales["pl"] = {
   "tool_Detector_popover": {
     "message": "Narzędzie do pomiaru szybkości przepływu energii (P), szybkości prostopadłego przepływu pędu (F⊥), i szybkości równoległego przepływu pędu (F∥) przez odcinek. (Przeciągnij lub kliknij, aby utworzyć odcinek). Jednostki są umowne."
   },
+  "tool_Detector_info_popover": {
+    "incomplete": true,
+    "message": "<ul><li>P: The rate of energy flow (flux) in B/s (see below).</li><li>F⊥: The rate of perpendicular momentum flow in (B/s)/c.</li><li>F∥: The rate of parallel momentum flow in (B/s)/c.</li><li>The irradiance in the exported CSV is in (B/s)/L.</li><li>L is the arbitrary unit of length used in this simulator.</li><li>B is an arbitrary unit of radiant flux or luminous flux, corresponding to the unit of the \"Brightness\" option being B/L for non-Lambertian beams and 500B/360° for point sources.</li><li>The dimensionless factor s is the \"Brightness Scale\" shown in Settings -> Show status box, which equals 1 when \"Ray Density\" is above some threshold and proportional to \"Ray Density\" otherwise.</li><li>If some rays are truncated in the infinite series of internal reflection, the total truncation is shown as error estimates.</li></ul>"
+  },
   "tool_TextLabel_popover": {
     "message": "Etykieta tekstowa."
   },
@@ -849,6 +853,10 @@ locales["pl"] = {
     "incomplete": true,
     "message": "Truncated brightness: "
   },
+  "brightness_scale": {
+    "incomplete": true,
+    "message": "Brightness Scale: "
+  },
   "time_elapsed": {
     "incomplete": true,
     "message": "Time elapsed (ms): "
diff --git a/simulator/locales/pt_BR.js b/simulator/locales/pt_BR.js
index 5dc226e8..60a21010 100644
--- a/simulator/locales/pt_BR.js
+++ b/simulator/locales/pt_BR.js
@@ -745,6 +745,10 @@ locales["pt-BR"] = {
     "incomplete": true,
     "message": "A tool for measuring the rate of energy flow (P), the rate of perpendicular momentum flow (F⊥), and the rate of parallel momentum flow (F∥) through a line segment. (Drag or click to create the line segment.) The units are arbitrary."
   },
+  "tool_Detector_info_popover": {
+    "incomplete": true,
+    "message": "<ul><li>P: The rate of energy flow (flux) in B/s (see below).</li><li>F⊥: The rate of perpendicular momentum flow in (B/s)/c.</li><li>F∥: The rate of parallel momentum flow in (B/s)/c.</li><li>The irradiance in the exported CSV is in (B/s)/L.</li><li>L is the arbitrary unit of length used in this simulator.</li><li>B is an arbitrary unit of radiant flux or luminous flux, corresponding to the unit of the \"Brightness\" option being B/L for non-Lambertian beams and 500B/360° for point sources.</li><li>The dimensionless factor s is the \"Brightness Scale\" shown in Settings -> Show status box, which equals 1 when \"Ray Density\" is above some threshold and proportional to \"Ray Density\" otherwise.</li><li>If some rays are truncated in the infinite series of internal reflection, the total truncation is shown as error estimates.</li></ul>"
+  },
   "tool_TextLabel_popover": {
     "incomplete": true,
     "message": "A text label."
@@ -855,6 +859,10 @@ locales["pt-BR"] = {
   "total_truncation": {
     "message": "Brilho truncado: "
   },
+  "brightness_scale": {
+    "incomplete": true,
+    "message": "Brightness Scale: "
+  },
   "time_elapsed": {
     "message": "Tempo decorrido (ms): "
   },
diff --git a/simulator/locales/ru.js b/simulator/locales/ru.js
index b36a1850..506c900f 100644
--- a/simulator/locales/ru.js
+++ b/simulator/locales/ru.js
@@ -840,6 +840,10 @@ locales["ru"] = {
     "incomplete": true,
     "message": "A tool for measuring the rate of energy flow (P), the rate of perpendicular momentum flow (F⊥), and the rate of parallel momentum flow (F∥) through a line segment. (Drag or click to create the line segment.) The units are arbitrary."
   },
+  "tool_Detector_info_popover": {
+    "incomplete": true,
+    "message": "<ul><li>P: The rate of energy flow (flux) in B/s (see below).</li><li>F⊥: The rate of perpendicular momentum flow in (B/s)/c.</li><li>F∥: The rate of parallel momentum flow in (B/s)/c.</li><li>The irradiance in the exported CSV is in (B/s)/L.</li><li>L is the arbitrary unit of length used in this simulator.</li><li>B is an arbitrary unit of radiant flux or luminous flux, corresponding to the unit of the \"Brightness\" option being B/L for non-Lambertian beams and 500B/360° for point sources.</li><li>The dimensionless factor s is the \"Brightness Scale\" shown in Settings -> Show status box, which equals 1 when \"Ray Density\" is above some threshold and proportional to \"Ray Density\" otherwise.</li><li>If some rays are truncated in the infinite series of internal reflection, the total truncation is shown as error estimates.</li></ul>"
+  },
   "tool_TextLabel_popover": {
     "incomplete": true,
     "message": "A text label."
@@ -958,6 +962,10 @@ locales["ru"] = {
     "incomplete": true,
     "message": "Truncated brightness: "
   },
+  "brightness_scale": {
+    "incomplete": true,
+    "message": "Brightness Scale: "
+  },
   "time_elapsed": {
     "incomplete": true,
     "message": "Time elapsed (ms): "
diff --git a/simulator/locales/si.js b/simulator/locales/si.js
index 1d0b14e4..a5a812c8 100644
--- a/simulator/locales/si.js
+++ b/simulator/locales/si.js
@@ -743,6 +743,10 @@ locales["si"] = {
   "tool_Detector_popover": {
     "message": "ශක්ති ප්‍රවාහයේ වේගය (P), ලම්බක ගම්‍යතා ප්‍රවාහයේ වේගය (F⊥) සහ රේඛා ඛණ්ඩයක් හරහා සමාන්තර ගම්‍යතා ප්‍රවාහයේ වේගය (F∥) මැනීම සඳහා මෙවලමකි. (රේඛා ඛණ්ඩය සෑදීමට අදින්න හෝ ක්ලික් කරන්න.)"
   },
+  "tool_Detector_info_popover": {
+    "incomplete": true,
+    "message": "<ul><li>P: The rate of energy flow (flux) in B/s (see below).</li><li>F⊥: The rate of perpendicular momentum flow in (B/s)/c.</li><li>F∥: The rate of parallel momentum flow in (B/s)/c.</li><li>The irradiance in the exported CSV is in (B/s)/L.</li><li>L is the arbitrary unit of length used in this simulator.</li><li>B is an arbitrary unit of radiant flux or luminous flux, corresponding to the unit of the \"Brightness\" option being B/L for non-Lambertian beams and 500B/360° for point sources.</li><li>The dimensionless factor s is the \"Brightness Scale\" shown in Settings -> Show status box, which equals 1 when \"Ray Density\" is above some threshold and proportional to \"Ray Density\" otherwise.</li><li>If some rays are truncated in the infinite series of internal reflection, the total truncation is shown as error estimates.</li></ul>"
+  },
   "tool_TextLabel_popover": {
     "incomplete": true,
     "message": "A text label."
@@ -844,6 +848,10 @@ locales["si"] = {
   "total_truncation": {
     "message": "කපා දැමූ දීප්තිය: "
   },
+  "brightness_scale": {
+    "incomplete": true,
+    "message": "Brightness Scale: "
+  },
   "time_elapsed": {
     "message": "ගතවූ කාලය (ms): "
   },
diff --git a/simulator/locales/template.js b/simulator/locales/template.js
index 9fdfa4c6..cf05bf1d 100644
--- a/simulator/locales/template.js
+++ b/simulator/locales/template.js
@@ -935,6 +935,10 @@ locales["LOCALE_ID"] = {
     "incomplete": true,
     "message": "A tool for measuring the rate of energy flow (P), the rate of perpendicular momentum flow (F⊥), and the rate of parallel momentum flow (F∥) through a line segment. (Drag or click to create the line segment.) The units are arbitrary."
   },
+  "tool_Detector_info_popover": {
+    "incomplete": true,
+    "message": "<ul><li>P: The rate of energy flow (flux) in B/s (see below).</li><li>F⊥: The rate of perpendicular momentum flow in (B/s)/c.</li><li>F∥: The rate of parallel momentum flow in (B/s)/c.</li><li>The irradiance in the exported CSV is in (B/s)/L.</li><li>L is the arbitrary unit of length used in this simulator.</li><li>B is an arbitrary unit of radiant flux or luminous flux, corresponding to the unit of the \"Brightness\" option being B/L for non-Lambertian beams and 500B/360° for point sources.</li><li>The dimensionless factor s is the \"Brightness Scale\" shown in Settings -> Show status box, which equals 1 when \"Ray Density\" is above some threshold and proportional to \"Ray Density\" otherwise.</li><li>If some rays are truncated in the infinite series of internal reflection, the total truncation is shown as error estimates.</li></ul>"
+  },
   "tool_TextLabel_popover": {
     "incomplete": true,
     "message": "A text label."
@@ -1059,6 +1063,10 @@ locales["LOCALE_ID"] = {
     "incomplete": true,
     "message": "Truncated brightness: "
   },
+  "brightness_scale": {
+    "incomplete": true,
+    "message": "Brightness Scale: "
+  },
   "time_elapsed": {
     "incomplete": true,
     "message": "Time elapsed (ms): "
diff --git a/simulator/locales/zh_CN.js b/simulator/locales/zh_CN.js
index f313daf9..078cc860 100644
--- a/simulator/locales/zh_CN.js
+++ b/simulator/locales/zh_CN.js
@@ -702,6 +702,9 @@ locales["zh-CN"] = {
   "tool_Detector_popover": {
     "message": "测量通过一线段的能量流率(P)、垂直动量流率(F⊥)与水平动量流率(F∥)。（拖曳或点击以创建该线段。）单位为任意。"
   },
+  "tool_Detector_info_popover": {
+    "message": "<ul><li>P: 能量流率（通量），单位为 B/s（见下文）。</li><li>F⊥: 垂直动量流率，单位为 (B/s)/c。</li><li>F∥: 平行动量流率，单位为 (B/s)/c。</li><li>导出的 CSV 中的辐照度单位为 (B/s)/L。</li><li>L 是本模拟器中使用的任意长度单位。</li><li>B 是辐射通量或光通量的任意单位，对应到「亮度」选项的单位：非朗伯光束为 B/L，点光源为 500B/360°。</li><li>无量纲因子 s 是「设定」->「显示状态栏」中显示的「亮度尺度」，当「光线密度」高于某个阈值时为1，否则与「光线密度」成正比。</li><li>如果某些光线在内反射的无穷级数中被截断，则总截断量将显示为误差估计。</li></ul>"
+  },
   "tool_TextLabel_popover": {
     "message": "文字标签。"
   },
@@ -795,6 +798,9 @@ locales["zh-CN"] = {
   "total_truncation": {
     "message": "被截断的亮度："
   },
+  "brightness_scale": {
+    "message": "亮度尺度："
+  },
   "time_elapsed": {
     "message": "花费时间(ms)："
   },
diff --git a/simulator/locales/zh_TW.js b/simulator/locales/zh_TW.js
index bd203ddf..ec524428 100644
--- a/simulator/locales/zh_TW.js
+++ b/simulator/locales/zh_TW.js
@@ -702,6 +702,9 @@ locales["zh-TW"] = {
   "tool_Detector_popover": {
     "message": "測量通過一線段的能量流率(P)、垂直動量流率(F⊥)與水平動量流率(F∥)。（拖曳或點擊以創建該線段。）單位為任意。"
   },
+  "tool_Detector_info_popover": {
+    "message": "<ul><li>P: 能量流率（通量），單位為 B/s（見下文）。</li><li>F⊥: 垂直動量流率，單位為 (B/s)/c。</li><li>F∥: 平行動量流率，單位為 (B/s)/c。</li><li>匯出的 CSV 中的輻照度單位為 (B/s)/L。</li><li>L 是本模擬器中使用的任意長度單位。</li><li>B 是輻射通量或光通量的任意單位，對應到「亮度」選項的單位：非朗伯光束為 B/L，點光源為 500B/360°。</li><li>無因次因子 s 是「設定」->「顯示狀態欄」中顯示的「亮度尺度」，當「光線密度」高於某個閾值時為 1，否則與「光線密度」成正比。</li><li>如果某些光線在內反射的無窮級數中被截斷，則總截斷量將顯示為誤差估計。</li></ul>"
+  },
   "tool_TextLabel_popover": {
     "message": "文字標籤。"
   },
@@ -795,6 +798,9 @@ locales["zh-TW"] = {
   "total_truncation": {
     "message": "被截斷的亮度："
   },
+  "brightness_scale": {
+    "message": "亮度尺度："
+  },
   "time_elapsed": {
     "message": "花費時間(ms)："
   },