RC 0.1.0

dataforge-vis-common/src/commonMain/kotlin/hep/dataforge/vis/common/AbstractVisualGroup.kt

@@ -1,10 +1,7 @@
 package hep.dataforge.vis.common
 
 import hep.dataforge.meta.MetaItem
-import hep.dataforge.names.Name
+import hep.dataforge.names.*
-import hep.dataforge.names.NameToken
-import hep.dataforge.names.asName
-import hep.dataforge.names.isEmpty
 import kotlinx.serialization.Transient
 
 
@@ -75,7 +72,7 @@ abstract class AbstractVisualGroup : AbstractVisualObject(), MutableVisualGroup
     protected abstract fun createGroup(name: Name): MutableVisualGroup
 
     /**
-     * Add named or unnamed child to the group. If key is [null] the child is considered unnamed. Both key and value are not
+     * Add named or unnamed child to the group. If key is null the child is considered unnamed. Both key and value are not
      * allowed to be null in the same time. If name is present and [child] is null, the appropriate element is removed.
      */
     override fun set(name: Name, child: VisualObject?) {
@@ -102,9 +99,13 @@ abstract class AbstractVisualGroup : AbstractVisualObject(), MutableVisualGroup
         structureChangeListeners.forEach { it.callback(name, child) }
     }
 
-    operator fun set(key: String, child: VisualObject?) = if (key.isBlank()) {
+    operator fun set(key: String, child: VisualObject?): Unit {
-        child?.let { addStatic(child) }
+        if (key.isBlank()) {
-    } else {
+            if(child!= null) {
-        set(key.asName(), child)
+                addStatic(child)
+            }
+        } else {
+            set(key.toName(), child)
+        }
     }
 }

dataforge-vis-spatial/src/jsMain/kotlin/hep/dataforge/vis/spatial/three/ThreeCanvas.kt

@@ -92,7 +92,8 @@ class ThreeCanvas(val three: ThreePlugin, val spec: CanvasSpec) : Renderer<Visua
 
     override fun render(obj: VisualObject3D, meta: Meta) {
         content = obj
-        scene.add(three.buildObject3D(obj))
+        val object3D = three.buildObject3D(obj)
+        scene.add(object3D)
     }
 }
 

dataforge-vis-spatial/src/jsMain/kotlin/hep/dataforge/vis/spatial/three/ThreeLabelFactory.kt

@@ -26,7 +26,6 @@ object ThreeLabelFactory : ThreeFactory<Label3D> {
         val context = canvas.getContext("2d") as CanvasRenderingContext2D
         context.font = "Bold ${obj.fontSize}pt ${obj.fontFamily}"
         context.fillStyle = obj.color ?: "black"
-        //context.textAlign = CanvasTextAlign.CENTER
         context.textBaseline = CanvasTextBaseline.MIDDLE
         val metrics = context.measureText(obj.text)
         //canvas.width = metrics.width.toInt()

dataforge-vis-spatial/src/jsMain/kotlin/hep/dataforge/vis/spatial/three/ThreeLineFactory.kt

@@ -2,9 +2,11 @@ package hep.dataforge.vis.spatial.three
 
 import hep.dataforge.meta.node
 import hep.dataforge.vis.spatial.PolyLine
-import hep.dataforge.vis.spatial.layer
+import hep.dataforge.vis.spatial.color
+import hep.dataforge.vis.spatial.three.ThreeMaterials.DEFAULT_LINE_COLOR
 import info.laht.threekt.core.Geometry
 import info.laht.threekt.core.Object3D
+import info.laht.threekt.math.Color
 import info.laht.threekt.objects.LineSegments
 import kotlin.reflect.KClass
 
@@ -18,11 +20,13 @@ object ThreeLineFactory : ThreeFactory<PolyLine> {
 
         val material =
             ThreeMaterials.getLineMaterial(obj.getProperty(MeshThreeFactory.EDGES_MATERIAL_KEY).node)
+
+        material.linewidth = obj.thickness.toDouble()
+        material.color = obj.color?.let { Color(it) }?: DEFAULT_LINE_COLOR
+
         return LineSegments(geometry, material).apply {
-
             updatePosition(obj)
-            layers.enable(obj.layer)
+            //layers.enable(obj.layer)
-
             //add listener to object properties
             obj.onPropertyChange(this) { propertyName, _, _ ->
                 updateProperty(obj, propertyName)

dataforge-vis-spatial/src/jsMain/kotlin/hep/dataforge/vis/spatial/three/ThreeMaterials.kt

@@ -6,7 +6,6 @@ import hep.dataforge.vis.common.Colors
 import hep.dataforge.vis.common.VisualObject
 import hep.dataforge.vis.spatial.Material3D
 import info.laht.threekt.materials.LineBasicMaterial
-import info.laht.threekt.materials.Material
 import info.laht.threekt.materials.MeshBasicMaterial
 import info.laht.threekt.materials.MeshPhongMaterial
 import info.laht.threekt.math.Color
@@ -25,7 +24,7 @@ object ThreeMaterials {
 
 
     //    private val materialCache = HashMap<Meta, Material>()
-    private val lineMaterialCache = HashMap<Meta?, Material>()
+    private val lineMaterialCache = HashMap<Meta?, LineBasicMaterial>()
 
 
 //    fun buildMaterial(meta: Meta): Material =
@@ -37,11 +36,11 @@ object ThreeMaterials {
 //            //side = 2
 //        }
 
-    fun getLineMaterial(meta: Meta?): Material = lineMaterialCache.getOrPut(meta) {
+    fun getLineMaterial(meta: Meta?): LineBasicMaterial = lineMaterialCache.getOrPut(meta) {
         LineBasicMaterial().apply {
-            color = meta["color"]?.color() ?: DEFAULT_LINE_COLOR
+            color = meta[Material3D.COLOR_KEY]?.color() ?: DEFAULT_LINE_COLOR
-            opacity = meta["opacity"].double ?: 1.0
+            opacity = meta[Material3D.OPACITY_KEY].double ?: 1.0
-            transparent = meta["transparent"].boolean ?: (opacity < 1.0)
+            transparent = opacity < 1.0
             linewidth = meta["thickness"].double ?: 1.0
         }
     }
@@ -98,7 +97,7 @@ fun Mesh.updateMaterial(obj: VisualObject) {
             color = meta[Material3D.COLOR_KEY]?.color() ?: ThreeMaterials.DEFAULT_COLOR
             specular = meta[Material3D.SPECULAR_COLOR]!!.color()
             opacity = meta[Material3D.OPACITY_KEY]?.double ?: 1.0
-            transparent = opacity <= 0.0
+            transparent = opacity < 1.0
             wireframe = meta[Material3D.WIREFRAME_KEY].boolean ?: false
             needsUpdate = true
         }
@@ -106,7 +105,7 @@ fun Mesh.updateMaterial(obj: VisualObject) {
         MeshBasicMaterial().apply {
             color = meta[Material3D.COLOR_KEY]?.color() ?: ThreeMaterials.DEFAULT_COLOR
             opacity = meta[Material3D.OPACITY_KEY]?.double ?: 1.0
-            transparent = opacity <= 0.0
+            transparent = opacity < 1.0
             wireframe = meta[Material3D.WIREFRAME_KEY].boolean ?: false
             needsUpdate = true
         }

dataforge-vis-spatial/src/jsMain/kotlin/hep/dataforge/vis/spatial/three/ThreePlugin.kt

@@ -2,10 +2,7 @@ package hep.dataforge.vis.spatial.three
 
 import hep.dataforge.context.*
 import hep.dataforge.meta.Meta
-import hep.dataforge.names.Name
+import hep.dataforge.names.*
-import hep.dataforge.names.asName
-import hep.dataforge.names.isEmpty
-import hep.dataforge.names.startsWith
 import hep.dataforge.vis.common.VisualObject
 import hep.dataforge.vis.spatial.*
 import info.laht.threekt.core.Object3D
@@ -43,14 +40,13 @@ class ThreePlugin : AbstractPlugin() {
             is Proxy -> proxyFactory(obj)
             is VisualGroup3D -> {
                 val group = ThreeGroup()
-                obj.children.forEach { (name, child) ->
+                obj.children.forEach { (token, child) ->
                     if (child is VisualObject3D && child.ignore != true) {
                         try {
                             val object3D = buildObject3D(child)
-                            object3D.name = name.toString()
+                            group[token] = object3D
-                            group.add(object3D)
                         } catch (ex: Throwable) {
-                            logger.error(ex) { "Failed to render $name" }
+                            logger.error(ex) { "Failed to render $child" }
                         }
                     }
                 }
@@ -71,6 +67,31 @@ class ThreePlugin : AbstractPlugin() {
                             visible = obj.visible ?: true
                         }
                     }
+
+                    obj.onChildrenChange(this) { name, child ->
+                        if (name.isEmpty()) {
+                            logger.error { "Children change with empty namr on $group" }
+                            return@onChildrenChange
+                        }
+
+                        val parentName = name.cutLast()
+                        val childName = name.last()!!
+
+                        //removing old object
+                        findChild(name)?.let { oldChild ->
+                            oldChild.parent?.remove(oldChild)
+                        }
+
+                        //adding new object
+                        if (child != null && child is VisualObject3D) {
+                            try {
+                                val object3D = buildObject3D(child)
+                                set(name, object3D)
+                            } catch (ex: Throwable) {
+                                logger.error(ex) { "Failed to render $child" }
+                            }
+                        }
+                    }
                 }
             }
             is Composite -> compositeFactory(obj)
@@ -93,7 +114,34 @@ class ThreePlugin : AbstractPlugin() {
     }
 }
 
-fun Object3D.findChild(name: Name): Object3D? {
+internal operator fun Object3D.set(token: NameToken, object3D: Object3D) {
+    object3D.name = token.toString()
+    add(object3D)
+}
+
+internal fun Object3D.getOrCreateGroup(name: Name): Object3D {
+    return when {
+        name.isEmpty() -> this
+        name.length == 1 -> {
+            val token = name.first()!!
+            children.find { it.name == token.toString() } ?: info.laht.threekt.objects.Group().also { group ->
+                group.name = token.toString()
+                this.add(group)
+            }
+        }
+        else -> getOrCreateGroup(name.first()!!.asName()).getOrCreateGroup(name.cutFirst())
+    }
+}
+
+internal operator fun Object3D.set(name: Name, obj: Object3D) {
+    when (name.length) {
+        0 -> error("Can't set object with an empty name")
+        1 -> set(name.first()!!, obj)
+        else -> getOrCreateGroup(name.cutLast())[name.last()!!] = obj
+    }
+}
+
+internal fun Object3D.findChild(name: Name): Object3D? {
     return when {
         name.isEmpty() -> this
         name.length == 1 -> this.children.find { it.name == name.first()!!.toString() }

dataforge-vis-spatial/src/jsMain/kotlin/hep/dataforge/vis/spatial/three/three.kt

@@ -5,7 +5,10 @@ import hep.dataforge.meta.float
 import hep.dataforge.meta.get
 import hep.dataforge.meta.node
 import hep.dataforge.vis.spatial.*
-import info.laht.threekt.core.*
+import info.laht.threekt.core.BufferGeometry
+import info.laht.threekt.core.DirectGeometry
+import info.laht.threekt.core.Face3
+import info.laht.threekt.core.Geometry
 import info.laht.threekt.external.controls.OrbitControls
 import info.laht.threekt.materials.Material
 import info.laht.threekt.math.Euler
@@ -14,16 +17,6 @@ import info.laht.threekt.objects.Mesh
 import info.laht.threekt.textures.Texture
 import kotlin.math.PI
 
-/**
- * Utility methods for three.kt.
- * TODO move to three project
- */
-
-@Suppress("FunctionName")
-fun Group(children: Collection<Object3D>) = info.laht.threekt.objects.Group().apply {
-    children.forEach { this.add(it) }
-}
-
 val VisualObject3D.euler get() = Euler(rotationX, rotationY, rotationZ, rotationOrder.name)
 
 val MetaItem<*>.vector get() = Vector3(node["x"].float ?: 0f, node["y"].float ?: 0f, node["z"].float ?: 0f)

demo/muon-monitor/build.gradle.kts

@@ -1,9 +1,8 @@
-import org.openjfx.gradle.JavaFXOptions
 import scientifik.useSerialization
 
 plugins {
     id("scientifik.mpp")
-    id("org.openjfx.javafxplugin")
+    //id("org.openjfx.javafxplugin")
     id("application")
 }
 
@@ -50,6 +49,14 @@ kotlin {
                 implementation("io.ktor:ktor-serialization:$ktor_version")
             }
         }
+        jsMain{
+            dependencies{
+                implementation("io.ktor:ktor-client-js:$ktor_version")
+                implementation("io.ktor:ktor-client-serialization-js:$ktor_version")
+                implementation(npm("text-encoding"))
+                implementation(npm("abort-controller"))
+            }
+        }
     }
 }
 
@@ -57,6 +64,6 @@ application {
     mainClassName = "ru.mipt.npm.muon.monitor.server/MMServerKt"
 }
 
-configure<JavaFXOptions> {
+//configure<JavaFXOptions> {
-    modules("javafx.controls")
+//    modules("javafx.controls")
-}
+//}

demo/muon-monitor/src/commonMain/kotlin/ru/mipt/npm/muon/monitor/Event.kt

@@ -12,9 +12,9 @@ typealias Track = List<Point3D>
  *
  */
 @Serializable
-data class Event(val track: Track?, val hits: Collection<String>) {
+data class Event(val id: Int, val track: Track?, val hits: Collection<String>) {
-    /**
+//    /**
-     * The unique identity for given set of hits. One identity could correspond to different tracks
+//     * The unique identity for given set of hits. One identity could correspond to different tracks
-     */
+//     */
-    val id get() = hits.sorted().joinToString(separator = ", ", prefix = "[", postfix = "]");
+//    val id get() = hits.sorted().joinToString(separator = ", ", prefix = "[", postfix = "]")
 }

demo/muon-monitor/src/commonMain/kotlin/ru/mipt/npm/muon/monitor/Model.kt

@@ -60,7 +60,7 @@ class Model {
         map[pixel]?.color("blue")
     }
 
-    private fun reset() {
+    fun reset() {
         map.values.forEach {
             it.setProperty(Material3D.MATERIAL_COLOR_KEY, null)
         }
@@ -73,7 +73,9 @@ class Model {
             highlight(it)
         }
         event.track?.let {
-            tracks.polyline(*it.toTypedArray())
+            tracks.polyline(*it.toTypedArray(), name = "track[${event.id}]"){
+                thickness = 4
+            }
         }
     }
 

demo/muon-monitor/src/commonMain/kotlin/ru/mipt/npm/muon/monitor/Monitor.kt

@@ -125,8 +125,8 @@ object Monitor {
     const val PIXEL_XY_SPACING = 123.2
     const val PIXEL_Z_SIZE = 30.0
     const val CENTRAL_LAYER_Z = 0.0
-    const val UPPER_LAYER_Z = 166.0
+    const val UPPER_LAYER_Z = -166.0
-    const val LOWER_LAYER_Z = -180.0
+    const val LOWER_LAYER_Z = 180.0
 
     /**
      * Build map for the whole monitor
@@ -136,11 +136,11 @@ object Monitor {
             .lineSequence()
             .mapNotNull { line ->
                 if (line.startsWith(" ")) {
-                    val split = line.trim().split("\\s+".toRegex());
+                    val split = line.trim().split("\\s+".toRegex())
                     val detectorName = split[1];
-                    val x = split[4].toDouble() - 500;
+                    val x = split[4].toDouble() - 500
-                    val y = split[5].toDouble() - 500;
+                    val y = split[5].toDouble() - 500
-                    val z = split[6].toDouble() - 180;
+                    val z = 180 - split[6].toDouble()
                     SC16(detectorName, Point3D(x, y, z))
                 } else {
                     null

demo/muon-monitor/src/jsMain/kotlin/ru/mipt/npm/muon/monitor/MMDemoApp.kt

@@ -6,53 +6,41 @@ import hep.dataforge.js.startApplication
 import hep.dataforge.meta.buildMeta
 import hep.dataforge.meta.withBottom
 import hep.dataforge.names.NameToken
+import hep.dataforge.vis.js.editor.card
 import hep.dataforge.vis.js.editor.objectTree
 import hep.dataforge.vis.js.editor.propertyEditor
 import hep.dataforge.vis.spatial.Material3D.Companion.MATERIAL_COLOR_KEY
 import hep.dataforge.vis.spatial.Material3D.Companion.MATERIAL_OPACITY_KEY
 import hep.dataforge.vis.spatial.Material3D.Companion.MATERIAL_WIREFRAME_KEY
+import hep.dataforge.vis.spatial.Visual3DPlugin
 import hep.dataforge.vis.spatial.VisualObject3D
 import hep.dataforge.vis.spatial.VisualObject3D.Companion.VISIBLE_KEY
 import hep.dataforge.vis.spatial.three.ThreePlugin
 import hep.dataforge.vis.spatial.three.output
 import hep.dataforge.vis.spatial.three.threeSettings
 import hep.dataforge.vis.spatial.visible
+import io.ktor.client.HttpClient
+import io.ktor.client.features.json.JsonFeature
+import io.ktor.client.features.json.serializer.KotlinxSerializer
+import io.ktor.client.request.get
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.launch
+import kotlinx.html.js.button
+import kotlinx.html.js.onClickFunction
 import org.w3c.dom.HTMLElement
 import kotlin.browser.document
 import kotlin.dom.clear
-import kotlin.math.PI
 
 private class GDMLDemoApp : Application {
-//    /**
-//     * Handle mouse drag according to https://www.html5rocks.com/en/tutorials/file/dndfiles/
-//     */
-//    private fun handleDragOver(event: DragEvent) {
-//        event.stopPropagation()
-//        event.preventDefault()
-//        event.dataTransfer?.dropEffect = "copy"
-//    }
-//
-//    /**
-//     * Load data from text file
-//     */
-//    private fun loadData(event: DragEvent, block: (name: String, data: String) -> Unit) {
-//        event.stopPropagation()
-//        event.preventDefault()
-//
-//        val file = (event.dataTransfer?.files as FileList)[0]
-//            ?: throw RuntimeException("Failed to load file")
-//
-//        FileReader().apply {
-//            onload = {
-//                val string = result as String
-//                block(file.name, string)
-//            }
-//            readAsText(file)
-//        }
-//    }
 
     private val model = Model()
 
+    private val connection = HttpClient{
+        install(JsonFeature) {
+            serializer = KotlinxSerializer(Visual3DPlugin.json)
+        }
+    }
+
     override fun start(state: Map<String, Any>) {
 
         val context = Global.context("demo") {}
@@ -75,7 +63,25 @@ private class GDMLDemoApp : Application {
         output.camera.layers.set(0)
         output.camera.position.z = -2000.0
         output.camera.position.y = 500.0
-        settingsElement.threeSettings(output)
+        settingsElement.threeSettings(output){
+            card("Events") {
+                button {
+                    +"Next"
+                    onClickFunction = {
+                        GlobalScope.launch {
+                            val event = connection.get<Event>("http://localhost:8080/event")
+                            model.displayEvent(event)
+                        }
+                    }
+                }
+                button {
+                    +"Clear"
+                    onClickFunction = {
+                        model.reset()
+                    }
+                }
+            }
+        }
         //tree.visualObjectTree(visual, editor::propertyEditor)
         treeElement.objectTree(NameToken("World"), visual) {
             editorElement.propertyEditor(it) { item ->

demo/muon-monitor/src/jsMain/web/index.html

@@ -11,24 +11,19 @@
     <script type="text/javascript" src="main.bundle.js"></script>
 </head>
 <body class="testApp">
-<!--
+
-<div class="container" id="drop_zone" data-toggle="tooltip" data-placement="right"
-     title="Для загрузки данных в текстовом формате, надо перетащить файл сюда">
-    Загрузить данные
-    <br/>
-    (перетащить файл сюда)
-</div>
--->
 <div class="container">
     <h1>Muon monitor demo</h1>
 </div>
 
 <div class="container-fluid">
     <div class="row">
-        <div class="col-lg-3" id="tree"></div>
+        <div class="col-lg-3">
+            <div class="row" id ="settings"></div>
+            <div class="row" id ="tree"></div>
+        </div>
         <div class="col-lg-6">
-            <div class="row" id="settings"></div>
+            <div class="container" id = "canvas"></div>
-            <div class="row" id="canvas"></div>
         </div>
         <div class="col-lg-3" id="editor"></div>
     </div>

demo/muon-monitor/src/jvmMain/kotlin/ru/mipt/npm/muon/monitor/server/MMServer.kt

@@ -5,6 +5,7 @@ import hep.dataforge.vis.spatial.Visual3DPlugin
 import io.ktor.application.Application
 import io.ktor.application.call
 import io.ktor.application.install
+import io.ktor.application.log
 import io.ktor.features.CallLogging
 import io.ktor.features.ContentNegotiation
 import io.ktor.features.DefaultHeaders
@@ -18,34 +19,43 @@ import io.ktor.server.cio.CIO
 import io.ktor.server.engine.embeddedServer
 import org.apache.commons.math3.random.JDKRandomGenerator
 import ru.mipt.npm.muon.monitor.Model
-import ru.mipt.npm.muon.monitor.sim.UniformTrackGenerator
+import ru.mipt.npm.muon.monitor.sim.Cos2TrackGenerator
 import ru.mipt.npm.muon.monitor.sim.simulateOne
+import java.awt.Desktop
 import java.io.File
+import java.net.URI
 
+private val generator = Cos2TrackGenerator(JDKRandomGenerator(223))
 
 fun Application.module() {
     val currentDir = File(".").absoluteFile
     environment.log.info("Current directory: $currentDir")
 
-    val generator = UniformTrackGenerator(JDKRandomGenerator(223))
+
     install(DefaultHeaders)
     install(CallLogging)
-    install(ContentNegotiation){
+    install(ContentNegotiation) {
         serialization(json = Visual3DPlugin.json)
     }
     install(Routing) {
-        get("/next") {
+        get("/event") {
-            call.respond(generator.simulateOne())
+            val event = generator.simulateOne()
+            call.respond(event)
         }
-        get("/geometry"){
+        get("/geometry") {
             call.respond(Model.buildGeometry())
         }
         static("/") {
             resources()
         }
     }
+    try {
+        Desktop.getDesktop().browse(URI("http://localhost:8080/index.html"))
+    } catch (ex: Exception) {
+        log.error("Failed to launch browser", ex)
+    }
 }
 
 fun main() {
-    embeddedServer(CIO, 8080,host = "localhost", module = Application::module).start(wait = true)
+    embeddedServer(CIO, 8080, host = "localhost", module = Application::module).start(wait = true)
 }

demo/muon-monitor/src/jvmMain/kotlin/ru/mipt/npm/muon/monitor/sim/line.kt

@@ -54,8 +54,8 @@ fun Vector3D.toPoint() = Point3D(x, y, z)
 
 fun Line.toPoints(): List<Point3D> {
     val basePoint = basePlane.intersection(this)
-    val bottom = basePoint.subtract(300.0, direction)
+    val bottom = basePoint.subtract(2000.0, direction)
-    val top = basePoint.add(300.0, direction)
+    val top = basePoint.add(2000.0, direction)
     return listOf(bottom.toPoint(), top.toPoint())
 }
 

demo/muon-monitor/src/jvmMain/kotlin/ru/mipt/npm/muon/monitor/sim/monitor.kt

@@ -11,13 +11,14 @@ import java.util.*
 
 
 // minimal track length in detector
-val MINIMAL_TRACK_LENGTH = 10.0
+internal const val MINIMAL_TRACK_LENGTH = 10.0
 
 
 private val layerCache = HashMap<Double, Plane>()
 
-fun findLayer(z: Double): Plane = layerCache.getOrPut(z){
+fun findLayer(z: Double): Plane = layerCache.getOrPut(z) {
-    Plane(Vector3D(0.0, 0.0, z), Vector3D(0.0, 0.0, 1.0),
+    Plane(
+        Vector3D(0.0, 0.0, z), Vector3D(0.0, 0.0, 1.0),
         Monitor.GEOMETRY_TOLERANCE
     )
 }
@@ -34,7 +35,7 @@ fun readEffs(): Map<String, Double> {
             index = 0
         } else if (trimmed.isNotEmpty()) {
             val eff = trimmed.split(Regex("\\s+"))[1].toDouble()
-            effMap.put("SC${detectorName}_${index}", eff)
+            effMap["SC${detectorName}_${index}"] = eff
             index++
         }
     }
@@ -42,8 +43,8 @@ fun readEffs(): Map<String, Double> {
 }
 
 
-fun buildEventByTrack(track: Line, hitResolver: (Line) -> Collection<SC1> = defaultHitResolver): Event {
+fun buildEventByTrack(index: Int, track: Line, hitResolver: (Line) -> Collection<SC1> = defaultHitResolver): Event {
-    return Event(track.toPoints(), hitResolver(track).map { it.name })
+    return Event(index, track.toPoints(), hitResolver(track).map { it.name })
 }
 
 val defaultHitResolver: (Line) -> Collection<SC1> = { track: Line ->

demo/muon-monitor/src/jvmMain/kotlin/ru/mipt/npm/muon/monitor/sim/simulation.kt

@@ -4,14 +4,18 @@ import org.apache.commons.math3.geometry.euclidean.threed.Line
 import org.apache.commons.math3.random.RandomGenerator
 import ru.mipt.npm.muon.monitor.Event
 import ru.mipt.npm.muon.monitor.Monitor.PIXEL_XY_SIZE
+import kotlin.math.acos
+import kotlin.math.pow
+import kotlin.math.sin
 
+private var counter = 0
 
 /**
  * Simulate single track and returns corresponding event
  */
 fun TrackGenerator.simulateOne(): Event {
     val track = generate()
-    return buildEventByTrack(track)
+    return buildEventByTrack(counter++, track)
 }
 
 interface TrackGenerator {
@@ -22,13 +26,17 @@ interface TrackGenerator {
 /**
  * A uniform generator with track bases distributed in square in central plane, uniform phi and cos theta
  */
-class UniformTrackGenerator(override val rnd: RandomGenerator, val maxX: Double = 4 * PIXEL_XY_SIZE, val maxY: Double = 4 * PIXEL_XY_SIZE) :
+class UniformTrackGenerator(
+    override val rnd: RandomGenerator,
+    val maxX: Double = 4 * PIXEL_XY_SIZE,
+    val maxY: Double = 4 * PIXEL_XY_SIZE
+) :
     TrackGenerator {
     override fun generate(): Line {
         val x = (1 - rnd.nextDouble() * 2.0) * maxX
         val y = (1 - rnd.nextDouble() * 2.0) * maxY
         val phi = (1 - rnd.nextDouble() * 2.0) * Math.PI
-        val theta = Math.PI / 2 - Math.acos(rnd.nextDouble())
+        val theta = Math.PI / 2 - acos(rnd.nextDouble())
         return makeTrack(x, y, theta, phi)
     }
 }
@@ -63,10 +71,10 @@ class Cos2TrackGenerator(
 
 
         for (i in 0..500) {
-            val thetaCandidate = Math.acos(rnd.nextDouble())
+            val thetaCandidate = acos(rnd.nextDouble())
             val u = rnd.nextDouble()
-            val sin = Math.sin(thetaCandidate)
+            val sin = sin(thetaCandidate)
-            if (u < Math.pow(sin, power) / sin) {
+            if (u < sin.pow(power) / sin) {
                 return makeTrack(x, y, thetaCandidate, phi)
             }
         }