Translate russian captions.

src/main/kotlin/ru/inr/mass/trapping/SimulationManager.kt

@@ -26,7 +26,8 @@ class SimulationManager() {
     /**
      * A supplier for random generator. Each track has its own generator
      */
-    var generatorFactory: (Long) -> UniformRandomProvider = { RandomSource.create(RandomSource.MT_64, seedGenerator.nextInt()) }
+    var generatorFactory: (Long) -> UniformRandomProvider =
+        { RandomSource.create(RandomSource.MT_64, seedGenerator.nextInt()) }
     var reportFilter: (Simulator.SimulationResult) -> Boolean = { it.state == Simulator.EndState.ACCEPTED }
 
     var initialE = 18000.0
@@ -107,26 +108,35 @@ class SimulationManager() {
 
         val outputPath = outputDirectory.toPath().resolve("$fileName.out")
 
-        PrintStream(Files.newOutputStream(outputPath, StandardOpenOption.CREATE, StandardOpenOption.TRUNCATE_EXISTING, StandardOpenOption.WRITE)).use { output ->
+        PrintStream(
+            Files.newOutputStream(
+                outputPath,
+                StandardOpenOption.CREATE,
+                StandardOpenOption.TRUNCATE_EXISTING,
+                StandardOpenOption.WRITE
+            )
+        ).use { output ->
             output.println("# " + header.replace("\n", "\n# "))//adding comment symbols
 
-            System.out.printf("%nStarting simulation with initial energy %g and %d electrons.%n%n", initialE, num.toLong())
+            System.out.printf("%nStarting simulation with initial energy %g and %d electrons.%n%n",
+                initialE,
+                num.toLong())
             output.printf("%s\t%s\t%s\t%s\t%s\t%s\t%s%n", "id", "E", "theta", "theta_start", "colNum", "L", "state")
-            LongStream.rangeClosed(1, num.toLong()).parallel()
-                    .mapToObj { id ->
+            LongStream.rangeClosed(1, num.toLong()).parallel().mapToObj { id ->
                 val generator = RandomGeneratorBridge(generatorFactory(id))
                 val theta = Math.acos(1 - 2 * generator.nextDouble())// from 0 to Pi
                 val z = (generator.nextDouble() - 0.5) * Simulator.SOURCE_LENGTH
                 simulator.simulate(id, generator, initialE, theta, z).also { counter.count(it) }
-                    }
-                    .filter(reportFilter)
-                    .forEach { res ->
+            }.filter(reportFilter).forEach { res ->
                 printOne(output, res)
             }
         }
 
         val statisticsPath = outputDirectory.toPath().resolve("$fileName.stat")
-        PrintStream(Files.newOutputStream(statisticsPath, StandardOpenOption.CREATE, StandardOpenOption.TRUNCATE_EXISTING, StandardOpenOption.WRITE)).use {
+        PrintStream(Files.newOutputStream(statisticsPath,
+            StandardOpenOption.CREATE,
+            StandardOpenOption.TRUNCATE_EXISTING,
+            StandardOpenOption.WRITE)).use {
             it.println(header + "\n")
             printStatistics(it, simulator, counter)
 
@@ -155,7 +165,14 @@ class SimulationManager() {
     }
 
     private fun printOne(out: PrintStream, res: Simulator.SimulationResult) {
-        out.printf("%d\t%g\t%g\t%g\t%d\t%g\t%s%n", res.id, res.E, res.theta * 180 / Math.PI, res.initTheta * 180 / Math.PI, res.collisionNumber, res.l, res.state.toString())
+        out.printf("%d\t%g\t%g\t%g\t%d\t%g\t%s%n",
+            res.id,
+            res.E,
+            res.theta * 180 / Math.PI,
+            res.initTheta * 180 / Math.PI,
+            res.collisionNumber,
+            res.l,
+            res.state.toString())
         out.flush()
     }
 

src/main/kotlin/ru/inr/mass/trapping/Simulator.kt

@@ -29,11 +29,10 @@ class Simulator(
 ) {
 
     enum class EndState {
-
-        ACCEPTED, //трэппинговый электрон попал в аксептанс
-        REJECTED, //трэппинговый электрон вылетел через заднюю пробку
-        LOWENERGY, //потерял слишком много энергии
-        PASS, //электрон никогда не запирался и прошел напрямую, нужно для нормировки
+        ACCEPTED, // escaped to the spectrometer
+        REJECTED, // escaped to the rear side
+        LOWENERGY, // energy below lower border
+        PASS, // Electron never trapped
         NONE
     }
 
@@ -45,7 +44,7 @@ class Simulator(
      * @return
      */
     private fun scatter(pos: State): State {
-        //Вычисляем сечения и нормируем их на полное сечение
+        //Computing cross-sections and normalizing them
         var sigmaIon = Scatter.sigmaion(pos.e)
         var sigmaEl = Scatter.sigmael(pos.e)
         var sigmaExc = Scatter.sigmaexc(pos.e)
@@ -54,20 +53,19 @@ class Simulator(
         sigmaEl /= sigmaTotal
         sigmaExc /= sigmaTotal
 
-        //проверяем нормировку
+        //Checking norming
         assert(Precision.equals(sigmaEl + sigmaExc + sigmaIon, 1.0, 1e-2))
 
         val alpha = pos.generator.nextDouble()
 
         val delta: Pair<Double, Double> = when {
-            alpha < sigmaEl -> Scatter.randomel(pos.e, pos.generator)// elastic
-            alpha > sigmaEl + sigmaExc -> Scatter.randomion(pos.e, pos.generator)//ionization case
-            else -> Scatter.randomexc(pos.e, pos.generator)//excitation case
+            alpha < sigmaEl -> Scatter.randomel(pos.e, pos.generator) // elastic
+            alpha > sigmaEl + sigmaExc -> Scatter.randomion(pos.e, pos.generator) //ionization case
+            else -> Scatter.randomexc(pos.e, pos.generator) //excitation case
         }
 
-        //Обновляем значени угла и энергии независимо ни от чего
+        // updating energy and angle
         pos.substractE(delta.first)
-        //Изменение угла
         pos.addTheta(delta.second / 180 * Math.PI)
 
         return pos
@@ -389,13 +387,13 @@ class Simulator(
             //Генерируем случайный фи
             val phi = generator.nextDouble() * 2.0 * Math.PI
 
-            //change to real angles
+            // change to real angles
             val realTheta = realTheta()
-            //Создаем начальный вектор в сферических координатах
+            // Initial vector in spherical coordinates
             val init = SphericalCoordinates(1.0, 0.0, realTheta + dTheta)
-            // Задаем вращение относительно оси, перпендикулярной исходному вектору
+            // Rotating on an axis perpendicular to the initial vector
             val rotate = SphericalCoordinates(1.0, 0.0, realTheta)
-            // поворачиваем исходный вектор на dTheta
+            // Rotation the initial vector
             val rot = Rotation(rotate.cartesian, phi, null)
 
             val result = rot.applyTo(init.cartesian)

src/main/kotlin/ru/inr/mass/trapping/crosssections.kt

@@ -18,6 +18,9 @@ infix fun ClosedFloatingPointRange<Double>.step(step: Double): Sequence<Double>
 }
 
 
+/**
+ * Extract cross-sections from the code
+ */
 fun main() {
 
     val energies = ((1.0..20.0) step 0.2).toList() // energy in keV

src/main/kotlin/ru/inr/mass/trapping/simulateFullRange.kt

@@ -0,0 +1,29 @@
+package ru.inr.mass.trapping
+
+import java.time.Duration
+import java.time.Instant
+
+
+fun main() {
+    //val z = doubleArrayOf(-1.736, -1.27, -0.754, -0.238, 0.278, 0.794, 1.31, 1.776)
+    //val b = doubleArrayOf(3.70754, 0.62786, 0.60474, 0.60325, 0.60333, 0.60503, 0.6285, 3.70478)
+    //        System.out.println("Press any key to start...");
+    //        System.in.read();
+
+    val startTime = Instant.now()
+    System.out.printf("Starting at %s%n%n", startTime.toString())
+
+    SimulationManager().apply {
+        comment = "Out of the box cross-sections"
+        fileName = "trap-full-range"
+        setFields(0.6, 3.6, 7.2)
+        gasDensity = 1e19 // m^-3
+        initialE = 18500.0
+        range = 16000.0
+    }.simulateAll(1_000_001)
+
+    val finishTime = Instant.now()
+    System.out.printf("%nFinished at %s%n", finishTime.toString())
+    System.out.printf("Calculation took %s%n", Duration.between(startTime, finishTime).toString())
+}
+