build.gradle.kts

@@ -1,7 +1,7 @@
 plugins {
     id("ru.mipt.npm.gradle.project")
-//    kotlin("multiplatform") version "1.5.30-RC" apply false
+    kotlin("multiplatform") version "1.5.30" apply false
-//    kotlin("js") version "1.5.30-RC" apply false
+    kotlin("js") version "1.5.30" apply false
 }
 
 val dataforgeVersion by extra("0.5.1")
@@ -16,7 +16,7 @@ allprojects {
     }
 
     group = "space.kscience"
-    version = "0.2.0-dev-23"
+    version = "0.2.0-dev-24"
 }
 
 subprojects {
@@ -36,7 +36,8 @@ apiValidation {
     ignoredPackages.add("info.laht.threekt")
 }
 
+
 //workaround for https://youtrack.jetbrains.com/issue/KT-48273
 rootProject.plugins.withType(org.jetbrains.kotlin.gradle.targets.js.nodejs.NodeJsRootPlugin::class.java) {
-    rootProject.the<org.jetbrains.kotlin.gradle.targets.js.nodejs.NodeJsRootExtension>().versions.webpackDevServer.version = "4.0.0-rc.0"
+    rootProject.the<org.jetbrains.kotlin.gradle.targets.js.nodejs.NodeJsRootExtension>().versions.webpackDevServer.version = "4.0.0"
 }

cern-root-loader/build.gradle.kts

@@ -0,0 +1,19 @@
+plugins {
+    id("ru.mipt.npm.gradle.mpp")
+}
+
+kscience{
+    useSerialization {
+        json()
+    }
+}
+
+kotlin {
+    sourceSets {
+        val commonMain by getting {
+            dependencies {
+                api(project(":visionforge-solid"))
+            }
+        }
+    }
+}

cern-root-loader/src/commonMain/kotlin/ru/mipt/npm/root/DObject.kt

@@ -0,0 +1,139 @@
+package ru.mipt.npm.root
+
+import kotlinx.serialization.json.Json
+import space.kscience.dataforge.meta.*
+import space.kscience.dataforge.misc.Named
+import space.kscience.dataforge.names.Name
+import space.kscience.dataforge.names.asName
+import space.kscience.dataforge.values.doubleArray
+import kotlin.properties.ReadOnlyProperty
+
+public fun MetaProvider.doubleArray(
+    vararg default: Double,
+    key: Name? = null,
+): ReadOnlyProperty<Any?, DoubleArray> = value(key) {
+    it?.doubleArray ?: doubleArrayOf(*default)
+}
+
+public class DObjectCache(private val cache: List<Meta>, public val refStack: List<Int> = emptyList()) {
+    public operator fun get(index: Int): Meta = cache[index]
+
+    public fun stack(ref: Int): DObjectCache = DObjectCache(cache, refStack + ref)
+
+    public companion object {
+        public val empty: DObjectCache = DObjectCache(emptyList(), emptyList())
+    }
+}
+
+public open class DObject(public val meta: Meta, private val refCache: DObjectCache) {
+
+    public val typename: String by meta.string(key = "_typename".asName()) {
+        error("Type is not defined")
+    }
+
+    private fun <T : DObject> resolve(builder: (Meta, DObjectCache) -> T, meta: Meta): T? {
+        meta["\$ref"]?.int?.let { refId ->
+            if (refCache.refStack.contains(refId)) {
+                println("Circular reference $refId in stack ${refCache.refStack}")
+                return null
+            }
+            return builder(refCache[refId], refCache.stack(refId))
+        }
+        return builder(meta, refCache)
+    }
+
+    internal fun <T : DObject> tObjectArray(
+        builder: (Meta, DObjectCache) -> T
+    ): ReadOnlyProperty<Any?, List<T>> = ReadOnlyProperty { _, property ->
+        meta.getIndexed(Name.of(property.name, "arr")).values.mapNotNull {
+            resolve(builder, it)
+        }
+    }
+
+    internal fun <T : DObject> dObject(
+        builder: (Meta, DObjectCache) -> T,
+        key: Name? = null
+    ): ReadOnlyProperty<Any?, T?> = ReadOnlyProperty { _, property ->
+        meta[key ?: property.name.asName()]?.let { resolve(builder, it) }
+    }
+}
+
+public open class DNamed(meta: Meta, refCache: DObjectCache) : DObject(meta, refCache) {
+    public val fName: String by meta.string("")
+    public val fTitle: String by meta.string("")
+}
+
+public class DGeoMaterial(meta: Meta, refCache: DObjectCache) : DNamed(meta, refCache) {
+}
+
+public class DGeoMedium(meta: Meta, refCache: DObjectCache) : DNamed(meta, refCache) {
+    public val fMaterial: DGeoMaterial? by dObject(::DGeoMaterial)
+    public val fParams: DoubleArray by meta.doubleArray()
+}
+
+public class DGeoShape(meta: Meta, refCache: DObjectCache) : DNamed(meta, refCache) {
+    public val fDX: Double by meta.double(0.0)
+    public val fDY: Double by meta.double(0.0)
+    public val fDZ: Double by meta.double(0.0)
+}
+
+public class DGeoVolume(meta: Meta, refCache: DObjectCache) : DNamed(meta, refCache), Named {
+    public val fNodes: List<DGeoNode> by tObjectArray(::DGeoNode)
+    public val fShape: DGeoShape? by dObject(::DGeoShape)
+    public val fMedium: DGeoMedium? by dObject(::DGeoMedium)
+
+    public val fFillColor: Int? by meta.int()
+
+    override val name: Name by lazy { Name.parse(fName.ifEmpty { "volume[${meta.hashCode().toUInt()}]" }) }
+}
+
+public class DGeoNode(meta: Meta, refCache: DObjectCache) : DNamed(meta, refCache) {
+    public val fVolume: DGeoVolume? by dObject(::DGeoVolume)
+}
+
+public class DGeoMatrix(meta: Meta, refCache: DObjectCache) : DNamed(meta, refCache) {
+}
+
+
+public class DGeoBoolNode(meta: Meta, refCache: DObjectCache) : DObject(meta, refCache) {
+    public val fLeft: DGeoShape? by dObject(::DGeoShape)
+    public val fLeftMat: DGeoMatrix? by dObject(::DGeoMatrix)
+
+    public val fRight: DGeoShape? by dObject(::DGeoShape)
+    public val fRightMat: DGeoMatrix? by dObject(::DGeoMatrix)
+}
+
+
+public class DGeoManager(meta: Meta, refCache: DObjectCache) : DNamed(meta, refCache) {
+    public val fMatrices: List<DGeoMatrix> by tObjectArray(::DGeoMatrix)
+
+    public val fShapes: List<DGeoShape> by tObjectArray(::DGeoShape)
+
+    public val fVolumes: List<DGeoVolume> by tObjectArray(::DGeoVolume)
+
+    public val fNodes: List<DGeoNode> by tObjectArray(::DGeoNode)
+
+    public companion object {
+
+        public fun parse(string: String): DGeoManager {
+            val meta = Json.decodeFromString(MetaSerializer, string)
+            val res = ArrayList<Meta>(4096)
+
+            fun fillCache(element: Meta) {
+                if (element["\$ref"] == null) {
+                    res.add(element)
+                    element.items.values.forEach {
+                        if (!it.isLeaf) {
+                            fillCache(it)
+                        }
+                    }
+                }
+            }
+
+            fillCache(meta)
+
+            val refCache = DObjectCache(res)
+            return DGeoManager(meta, refCache)
+        }
+    }
+}

cern-root-loader/src/commonMain/kotlin/ru/mipt/npm/root/dRootToSolid.kt

@@ -0,0 +1,331 @@
+package ru.mipt.npm.root
+
+import space.kscience.dataforge.meta.*
+import space.kscience.dataforge.names.Name
+import space.kscience.dataforge.names.plus
+import space.kscience.dataforge.values.doubleArray
+import space.kscience.visionforge.isEmpty
+import space.kscience.visionforge.solid.*
+import space.kscience.visionforge.solid.SolidMaterial.Companion.MATERIAL_COLOR_KEY
+import kotlin.math.*
+
+private val volumesName = Name.EMPTY //"volumes".asName()
+
+private operator fun Number.times(d: Double) = toDouble() * d
+
+private operator fun Number.times(f: Float) = toFloat() * f
+
+private fun degToRad(d: Double) = d * PI / 180.0
+
+private class RootToSolidContext(val prototypeHolder: PrototypeHolder, val maxLayer: Int = 3) {
+    val layers: MutableList<Int> = mutableListOf(0)
+
+    val layerLimits = listOf(10_000, 25_000, 50_000, 100_000, 200_000, 400_000, 600_000)
+
+    val bottomLayer: Int get() = layers.size - 1
+    fun addLayer() {
+        layers.add(0)
+    }
+}
+
+// converting to XYZ to Tait–Bryan angles according to https://en.wikipedia.org/wiki/Euler_angles#Rotation_matrix
+private fun Solid.rotate(rot: DoubleArray) {
+    val xAngle = atan2(-rot[5], rot[8])
+    val yAngle = atan2(rot[2], sqrt(1.0 - rot[2].pow(2)))
+    val zAngle = atan2(-rot[1], rot[0])
+    rotation = Point3D(xAngle, yAngle, zAngle)
+}
+
+private fun Solid.translate(trans: DoubleArray) {
+    val (x, y, z) = trans
+    position = Point3D(x, y, z)
+}
+
+private fun Solid.useMatrix(matrix: DGeoMatrix?) {
+    if (matrix == null) return
+    when (matrix.typename) {
+        "TGeoIdentity" -> {
+            //do nothing
+        }
+        "TGeoTranslation" -> {
+            val fTranslation by matrix.meta.doubleArray()
+            translate(fTranslation)
+        }
+        "TGeoRotation" -> {
+            val fRotationMatrix by matrix.meta.doubleArray()
+            rotate(fRotationMatrix)
+        }
+        "TGeoCombiTrans" -> {
+            val fTranslation by matrix.meta.doubleArray()
+
+            translate(fTranslation)
+            matrix.meta["fRotation.fRotationMatrix"]?.value?.let {
+                rotate(it.doubleArray)
+            }
+        }
+        "TGeoHMatrix" -> {
+            val fTranslation by matrix.meta.doubleArray()
+            val fRotationMatrix by matrix.meta.doubleArray()
+            val fScale by matrix.meta.doubleArray()
+            translate(fTranslation)
+            rotate(fRotationMatrix)
+            scale = Point3D(fScale[0], fScale[1], fScale[2])
+        }
+    }
+}
+
+private fun SolidGroup.addShape(
+    shape: DGeoShape,
+    context: RootToSolidContext,
+    name: String? = shape.fName.ifEmpty { null },
+    block: Solid.() -> Unit = {}
+) {
+    when (shape.typename) {
+        "TGeoCompositeShape" -> {
+            val fNode: DGeoBoolNode? by shape.dObject(::DGeoBoolNode)
+            val node = fNode ?: error("Composite shape node not resolved")
+            val compositeType = when (node.typename) {
+                "TGeoIntersection" -> CompositeType.INTERSECT
+                "TGeoSubtraction" -> CompositeType.SUBTRACT
+                "TGeoUnion" -> CompositeType.GROUP
+                else -> error("Unknown bool node type ${node.typename}")
+            }
+            smartComposite(compositeType, name = name) {
+                addShape(node.fLeft!!, context, null) {
+                    this.useMatrix(node.fLeftMat)
+                }
+                addShape(node.fRight!!, context, null) {
+                    this.useMatrix(node.fRightMat)
+                }
+            }.apply(block)
+        }
+        "TGeoXtru" -> {
+            val fNvert by shape.meta.int(0)
+            val fX by shape.meta.doubleArray()
+            val fY by shape.meta.doubleArray()
+            val fNz by shape.meta.int(0)
+            val fZ by shape.meta.doubleArray()
+            val fX0 by shape.meta.doubleArray()
+            val fY0 by shape.meta.doubleArray()
+            val fScale by shape.meta.doubleArray()
+
+            extruded(name = name) {
+                (0 until fNvert).forEach { index ->
+                    shape {
+                        point(fX[index], fY[index])
+                    }
+                }
+
+                (0 until fNz).forEach { index ->
+                    layer(
+                        fZ[index],
+                        fX0[index],
+                        fY0[index],
+                        fScale[index]
+                    )
+                }
+            }.apply(block)
+        }
+        "TGeoTube" -> {
+            val fRmax by shape.meta.double(0.0)
+            val fDz by shape.meta.double(0.0)
+            val fRmin by shape.meta.double(0.0)
+
+            tube(
+                radius = fRmax,
+                height = fDz * 2,
+                innerRadius = fRmin,
+                name = name,
+                block = block
+            )
+        }
+        "TGeoTubeSeg" -> {
+            val fRmax by shape.meta.double(0.0)
+            val fDz by shape.meta.double(0.0)
+            val fRmin by shape.meta.double(0.0)
+            val fPhi1 by shape.meta.double(0.0)
+            val fPhi2 by shape.meta.double(0.0)
+
+            tube(
+                radius = fRmax,
+                height = fDz * 2,
+                innerRadius = fRmin,
+                startAngle = degToRad(fPhi1),
+                angle = degToRad(fPhi2 - fPhi1),
+                name = name,
+                block = block
+            )
+        }
+        "TGeoPcon" -> {
+            val fDphi by shape.meta.double(0.0)
+            val fNz by shape.meta.int(2)
+            val fPhi1 by shape.meta.double(360.0)
+            val fRmax by shape.meta.doubleArray()
+            val fRmin by shape.meta.doubleArray()
+            val fZ by shape.meta.doubleArray()
+            if (fNz == 2) {
+                coneSurface(
+                    bottomOuterRadius = fRmax[0],
+                    bottomInnerRadius = fRmin[0],
+                    height = fZ[1] - fZ[0],
+                    topOuterRadius = fRmax[1],
+                    topInnerRadius = fRmin[1],
+                    startAngle = degToRad(fPhi1),
+                    angle = degToRad(fDphi),
+                    name = name,
+                ) {
+                    z = (fZ[1] + fZ[0]) / 2
+
+                }.apply(block)
+            } else {
+                TODO()
+            }
+        }
+        "TGeoPgon" -> {
+            val fDphi by shape.meta.double(0.0)
+            val fNz by shape.meta.int(2)
+            val fPhi1 by shape.meta.double(360.0)
+            val fRmax by shape.meta.doubleArray()
+            val fRmin by shape.meta.doubleArray()
+            val fZ by shape.meta.doubleArray()
+
+            val fNedges by shape.meta.int(1)
+
+            val startphi = degToRad(fPhi1)
+            val deltaphi = degToRad(fDphi)
+
+            extruded(name) {
+                //getting the radius of first
+                require(fNz > 1) { "The polyhedron geometry requires at least two planes" }
+                val baseRadius = fRmax[0]
+                shape {
+                    (0..fNedges).forEach {
+                        val phi = deltaphi * fNedges * it + startphi
+                        (baseRadius * cos(phi) to baseRadius * sin(phi))
+                    }
+                }
+                (0 until fNz).forEach { index ->
+                    //scaling all radii relative to first layer radius
+                    layer(fZ[index], scale = fRmax[index] / baseRadius)
+                }
+            }.apply(block)
+        }
+        "TGeoShapeAssembly" -> {
+            val fVolume by shape.dObject(::DGeoVolume)
+            fVolume?.let { volume ->
+                addRootVolume(volume, context, block = block)
+            }
+        }
+        "TGeoBBox" -> {
+            box(shape.fDX * 2, shape.fDY * 2, shape.fDZ * 2, name = name, block = block)
+        }
+        else -> {
+            TODO("A shape with type ${shape.typename} not implemented")
+        }
+    }
+}
+
+private fun SolidGroup.addRootNode(obj: DGeoNode, context: RootToSolidContext) {
+    val volume = obj.fVolume ?: return
+    addRootVolume(volume, context, obj.fName) {
+        if (context.bottomLayer > 0) {
+            this.layer = context.bottomLayer
+        }
+        when (obj.typename) {
+            "TGeoNodeMatrix" -> {
+                val fMatrix by obj.dObject(::DGeoMatrix)
+                this.useMatrix(fMatrix)
+            }
+            "TGeoNodeOffset" -> {
+                val fOffset by obj.meta.double(0.0)
+                x = fOffset
+            }
+        }
+    }
+}
+
+private fun buildVolume(volume: DGeoVolume, context: RootToSolidContext): Solid? {
+    val group = SolidGroup {
+        val nodesNum = volume.fNodes.size
+        if (nodesNum == 0) {
+            //TODO add smart filter
+            volume.fShape?.let { shape ->
+                addShape(shape, context)
+            }
+        }
+        val expectedLayerSize = context.layers.last() + nodesNum
+        //If expected number exceeds layer limit, move everything else to the bottom layer.
+        if (expectedLayerSize >= context.layerLimits[context.bottomLayer]) {
+            context.addLayer()
+            println("Adding new layer. Sizes after add: ${context.layers}")
+        }
+        context.layers[context.bottomLayer] += nodesNum
+        volume.fNodes.forEach { node ->
+            addRootNode(node, context)
+        }
+    }
+    return if (group.isEmpty()) {
+        null
+    } else if (group.children.size == 1 && group.meta.isEmpty()) {
+        (group.children.values.first() as Solid).apply { parent = null }
+    } else {
+        group
+    }
+}
+
+//private val SolidGroup.rootPrototypes: SolidGroup get() = (parent as? SolidGroup)?.rootPrototypes ?: this
+
+private fun SolidGroup.addRootVolume(
+    volume: DGeoVolume,
+    context: RootToSolidContext,
+    name: String? = null,
+    cache: Boolean = true,
+    block: Solid.() -> Unit = {}
+) {
+    //skip if maximum layer number is reached
+    if (context.bottomLayer > context.maxLayer){
+        println("Maximum layer depth reached. Skipping ${volume.fName}")
+        return
+    }
+
+    val combinedName = if (volume.fName.isEmpty()) {
+        name
+    } else if (name == null) {
+        volume.fName
+    } else {
+        "${name}_${volume.fName}"
+    }
+
+    if (!cache) {
+        val group = buildVolume(volume, context)?.apply {
+            volume.fFillColor?.let {
+                meta[MATERIAL_COLOR_KEY] = RootColors[it]
+            }
+            block()
+        }
+        set(combinedName?.let { Name.parse(it) }, group)
+    } else {
+        val templateName = volumesName + volume.name
+        val existing = getPrototype(templateName)
+        if (existing == null) {
+            context.prototypeHolder.prototypes {
+                val group = buildVolume(volume, context)
+                set(templateName, group)
+            }
+        }
+
+        ref(templateName, name).apply {
+            volume.fFillColor?.let {
+                meta[MATERIAL_COLOR_KEY] = RootColors[it]
+            }
+            block()
+        }
+    }
+}
+
+public fun DGeoManager.toSolid(): SolidGroup = SolidGroup {
+    val context = RootToSolidContext(this)
+    fNodes.forEach { node ->
+        addRootNode(node, context)
+    }
+}

cern-root-loader/src/commonMain/kotlin/ru/mipt/npm/root/rootColor.kt

@@ -0,0 +1,42 @@
+package ru.mipt.npm.root
+
+public object RootColors {
+    private val colorMap = Array<String>(924) { "white" }
+
+    //colorMap[110] = "white"
+
+    private val moreCol = listOf(
+        11 to "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",
+        201 to "5c5c5c7b7b7bb8b8b8d7d7d78a0f0fb81414ec4848f176760f8a0f14b81448ec4876f1760f0f8a1414b84848ec7676f18a8a0fb8b814ecec48f1f1768a0f8ab814b8ec48ecf176f10f8a8a14b8b848ecec76f1f1",
+        390 to "ffffcdffff9acdcd9affff66cdcd669a9a66ffff33cdcd339a9a33666633ffff00cdcd009a9a00666600333300",
+        406 to "cdffcd9aff9a9acd9a66ff6666cd66669a6633ff3333cd33339a3333663300ff0000cd00009a00006600003300",
+        422 to "cdffff9affff9acdcd66ffff66cdcd669a9a33ffff33cdcd339a9a33666600ffff00cdcd009a9a006666003333",
+        590 to "cdcdff9a9aff9a9acd6666ff6666cd66669a3333ff3333cd33339a3333660000ff0000cd00009a000066000033",
+        606 to "ffcdffff9affcd9acdff66ffcd66cd9a669aff33ffcd33cd9a339a663366ff00ffcd00cd9a009a660066330033",
+        622 to "ffcdcdff9a9acd9a9aff6666cd66669a6666ff3333cd33339a3333663333ff0000cd00009a0000660000330000",
+        791 to "ffcd9acd9a669a66339a6600cd9a33ffcd66ff9a00ffcd33cd9a00ffcd00ff9a33cd66006633009a3300cd6633ff9a66ff6600ff6633cd3300ff33009aff3366cd00336600339a0066cd339aff6666ff0066ff3333cd0033ff00cdff9a9acd66669a33669a009acd33cdff669aff00cdff339acd00cdff009affcd66cd9a339a66009a6633cd9a66ffcd00ff6633ffcd00cd9a00ffcd33ff9a00cd66006633009a3333cd6666ff9a00ff9a33ff6600cd3300ff339acdff669acd33669a00339a3366cd669aff0066ff3366ff0033cd0033ff339aff0066cd00336600669a339acd66cdff009aff33cdff009acd00cdffcd9aff9a66cd66339a66009a9a33cdcd66ff9a00ffcd33ff9a00cdcd00ff9a33ff6600cd33006633009a6633cd9a66ff6600ff6633ff3300cd3300ffff339acd00666600339a0033cd3366ff669aff0066ff3366cd0033ff0033ff9acdcd669a9a33669a0066cd339aff66cdff009acd009aff33cdff009a",
+        920 to "cdcdcd9a9a9a666666333333"
+    )
+
+    init {
+        colorMap[0] = "white"
+        colorMap[1] = "black"
+        colorMap[2] = "red"
+        colorMap[3] = "green"
+        colorMap[4] = "blue"
+        colorMap[5] = "yellow"
+        colorMap[6] = "magenta"
+        colorMap[7] = "cyan"
+        colorMap[8] = "rgb(89,212,84)"
+        colorMap[9] = "rgb(89,84,217)"
+        colorMap[10] = "white"
+
+        moreCol.forEach { (n, s) ->
+            for (i in 0 until (s.length / 6)) {
+                colorMap[n + i] = "#" + s.substring(i * 6, (i + 1) * 6)
+            }
+        }
+    }
+
+    public operator fun get(index: Int): String = colorMap[index]
+}

cern-root-loader/src/commonMain/kotlin/ru/mipt/npm/root/serialization/TGeoManager.kt

@@ -0,0 +1,17 @@
+package ru.mipt.npm.root.serialization
+
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+
+@Serializable
+@SerialName("TGeoManager")
+public class TGeoManager : TNamed() {
+
+    public val fMatrices: TObjArray<TGeoMatrix> = TObjArray.getEmpty()
+
+    public val fShapes: TObjArray<TGeoShape> = TObjArray.getEmpty()
+
+    public val fVolumes: TObjArray<TGeoVolume> = TObjArray.getEmpty()
+
+    public val fNodes: TObjArray<TGeoNode> = TObjArray.getEmpty()
+}

cern-root-loader/src/commonMain/kotlin/ru/mipt/npm/root/serialization/TGeoMaterial.kt

@@ -0,0 +1,12 @@
+package ru.mipt.npm.root.serialization
+
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+
+@Serializable
+@SerialName("TGeoMaterial")
+public open class TGeoMaterial: TNamed()
+
+@Serializable
+@SerialName("TGeoMixture")
+public class TGeoMixture: TGeoMaterial()

cern-root-loader/src/commonMain/kotlin/ru/mipt/npm/root/serialization/TGeoMatrix.kt

@@ -0,0 +1,42 @@
+package ru.mipt.npm.root.serialization
+
+import kotlinx.serialization.Contextual
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+
+
+@Serializable
+@SerialName("TGeoMatrix")
+public sealed class TGeoMatrix : TNamed()
+
+@Serializable
+@SerialName("TGeoIdentity")
+public class TGeoIdentity : TGeoMatrix()
+
+@Serializable
+@SerialName("TGeoHMatrix")
+public class TGeoHMatrix(
+    public val fTranslation: DoubleArray,
+    public val fRotationMatrix: DoubleArray,
+    public val fScale: DoubleArray
+) : TGeoMatrix()
+
+@Serializable
+@SerialName("TGeoTranslation")
+public class TGeoTranslation(
+    public val fTranslation: DoubleArray
+) : TGeoMatrix()
+
+@Serializable
+@SerialName("TGeoRotation")
+public class TGeoRotation(
+    public val fRotationMatrix: DoubleArray
+) : TGeoMatrix()
+
+@Serializable
+@SerialName("TGeoCombiTrans")
+public class TGeoCombiTrans(
+    public val fTranslation: DoubleArray,
+    @Contextual
+    public val fRotation: TGeoRotation? = null,
+) : TGeoMatrix()

cern-root-loader/src/commonMain/kotlin/ru/mipt/npm/root/serialization/TGeoMedium.kt

@@ -0,0 +1,14 @@
+package ru.mipt.npm.root.serialization
+
+import kotlinx.serialization.Contextual
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+
+@Serializable
+@SerialName("TGeoMedium")
+public class TGeoMedium(
+    public val fId: Int,
+    @Contextual
+    public val fMaterial: TGeoMaterial,
+    public val fParams: DoubleArray
+) : TNamed()

cern-root-loader/src/commonMain/kotlin/ru/mipt/npm/root/serialization/TGeoNode.kt

@@ -0,0 +1,34 @@
+package ru.mipt.npm.root.serialization
+
+import kotlinx.serialization.Contextual
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+
+@Serializable
+@SerialName("TGeoNode")
+public open class TGeoNode : TNamed() {
+    public val fGeoAtt: UInt = 0u
+
+    @Contextual
+    public val fVolume: TGeoVolume? = null
+
+//    @Contextual
+//    public val fMother: TGeoVolume? = null
+
+    public val fNumber: Int = 0
+    public val fNovlp: Int = 0
+    public val fOverlaps: IntArray = intArrayOf()
+}
+
+@Serializable
+@SerialName("TGeoNodeMatrix")
+public class TGeoNodeMatrix : TGeoNode() {
+    @Contextual
+    public val fMatrix: TGeoMatrix? = null
+}
+
+@Serializable
+@SerialName("TGeoNodeOffset")
+public class TGeoNodeOffset : TGeoNode() {
+    public val fOffset: Double = 0.0
+}

cern-root-loader/src/commonMain/kotlin/ru/mipt/npm/root/serialization/TGeoShape.kt

@@ -0,0 +1,136 @@
+package ru.mipt.npm.root.serialization
+
+import kotlinx.serialization.Contextual
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+import kotlin.math.PI
+
+@Serializable
+@SerialName("TGeoShape")
+public sealed class TGeoShape : TNamed() {
+    public val fShapeBits: UInt = 0u
+    public val fShapeId: Int = 0
+}
+
+@Serializable
+@SerialName("TGeoBBox")
+public open class TGeoBBox : TGeoShape() {
+    public val fDX: Double = 0.0
+    public val fDY: Double = 0.0
+    public val fDZ: Double = 0.0
+    public val fOrigin: DoubleArray = doubleArrayOf(0.0, 0.0, 0.0)
+}
+
+@Serializable
+@SerialName("TGeoBoolNode")
+public sealed class TGeoBoolNode : TObject() {
+    @Contextual
+    public abstract val fLeft: TGeoShape
+
+    @Contextual
+    public val fLeftMat: TGeoMatrix? = null
+
+    @Contextual
+    public abstract val fRight: TGeoShape
+
+    @Contextual
+    public val fRightMat: TGeoMatrix? = null
+}
+
+@Serializable
+@SerialName("TGeoUnion")
+public class TGeoUnion(
+    @Contextual
+    override val fLeft: TGeoShape,
+    @Contextual
+    override val fRight: TGeoShape,
+) : TGeoBoolNode()
+
+@Serializable
+@SerialName("TGeoSubtraction")
+public class TGeoSubtraction(
+    @Contextual
+    override val fLeft: TGeoShape,
+    @Contextual
+    override val fRight: TGeoShape,
+) : TGeoBoolNode()
+
+@Serializable
+@SerialName("TGeoIntersection")
+public class TGeoIntersection(
+    @Contextual
+    override val fLeft: TGeoShape,
+    @Contextual
+    override val fRight: TGeoShape,
+) : TGeoBoolNode()
+
+
+@Serializable
+@SerialName("TGeoCompositeShape")
+public class TGeoCompositeShape(public val fNode: TGeoBoolNode) : TGeoBBox()
+
+@Serializable
+@SerialName("TGeoXtru")
+public class TGeoXtru(
+    public val fNvert: Int,
+    public val fNz: Int,
+    public val fZcurrent: Double,
+    public val fX: DoubleArray,
+    public val fY: DoubleArray,
+    public val fZ: DoubleArray,
+    public val fScale: DoubleArray,
+    public val fX0: DoubleArray,
+    public val fY0: DoubleArray
+) : TGeoBBox()
+
+
+@Serializable
+@SerialName("TGeoTube")
+public open class TGeoTube : TGeoBBox() {
+    public val fRmin: Double = 0.0
+    public val fRmax: Double = 0.0
+    public val fDz: Double = 0.0
+}
+
+@Serializable
+@SerialName("TGeoTubeSeg")
+public class TGeoTubeSeg(
+    public val fPhi1: Double,
+    public val fPhi2: Double,
+    public val fS1: Double,
+    public val fC1: Double,
+    public val fS2: Double,
+    public val fC2: Double,
+    public val fSm: Double,
+    public val fCm: Double,
+    public val fCdfi: Double,
+) : TGeoTube()
+
+@Serializable
+@SerialName("TGeoPcon")
+public open class TGeoPcon : TGeoBBox() {
+    public val fNz: Int = 0                         // number of z planes (at least two)
+    public val fPhi1: Double = 0.0                  // lower phi limit (converted to [0,2*pi)
+    public val fDphi: Double = PI * 2               // phi range
+    public val fRmin: DoubleArray = doubleArrayOf() //[fNz] pointer to array of inner radii
+    public val fRmax: DoubleArray = doubleArrayOf() //[fNz] pointer to array of outer radii
+    public val fZ: DoubleArray = doubleArrayOf()    //[fNz] pointer to array of Z planes positions
+}
+
+@Serializable
+@SerialName("TGeoPgon")
+public open class TGeoPgon : TGeoPcon() {
+    public val fNedges: Int = 0
+}
+
+@Serializable
+@SerialName("TGeoShapeAssembly")
+public class TGeoShapeAssembly(
+    @Contextual
+    public val fVolume: TGeoVolumeAssembly,
+    public val fBBoxOK: Boolean = true
+) : TGeoBBox()
+
+public class TGeoShapeRef(provider: () -> TGeoShape) : TGeoShape() {
+    public val value: TGeoShape by lazy(provider)
+}

cern-root-loader/src/commonMain/kotlin/ru/mipt/npm/root/serialization/TGeoVolume.kt

@@ -0,0 +1,41 @@
+package ru.mipt.npm.root.serialization
+
+import kotlinx.serialization.Contextual
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+
+@Serializable
+@SerialName("TGeoVolume")
+public open class TGeoVolume : TNamed() {
+    public val fGeoAtt: UInt = 0u
+    public val fLineColor: Int = 2
+    public val fLineStyle: Int? = null
+    public val fLineWidth: UInt = 1u
+    public val fFillColor: Int? = null
+    public val fFillStyle: Int? = null
+
+    @Contextual
+    public val fNodes: TObjArray<@Contextual TGeoNode>? = null
+
+    @Contextual
+    public val fShape: TGeoShape? = null
+
+    @Contextual
+    public val fMedium: TGeoMedium? = null
+
+    public val fNumber: Int = 1
+    public val fNtotal: Int = 1
+    public val fRefCount: Int = 1
+}
+
+public class TGeoVolumeRef(provider: () -> TGeoVolume) : TGeoVolume() {
+    public val value: TGeoVolume by lazy(provider)
+}
+
+@Serializable
+@SerialName("TGeoVolumeAssembly")
+public open class TGeoVolumeAssembly : TGeoVolume()
+
+public class TGeoVolumeAssemblyRef(provider: () -> TGeoVolumeAssembly) : TGeoVolumeAssembly() {
+    public val value: TGeoVolumeAssembly by lazy(provider)
+}

cern-root-loader/src/commonMain/kotlin/ru/mipt/npm/root/serialization/TObject.kt

@@ -0,0 +1,34 @@
+package ru.mipt.npm.root.serialization
+
+import kotlinx.serialization.Contextual
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+
+@Serializable
+public abstract class TObject {
+    public val fUniqueID: UInt = 0u
+    public val fBits: UInt = 0u
+}
+
+@Serializable
+public open class TNamed : TObject() {
+    public val fName: String = ""
+    public val fTitle: String = ""
+}
+
+
+@Serializable
+@SerialName("TObjArray")
+public class TObjArray<T: TObject>(public val arr: List<@Contextual T>): TObject() {
+    public companion object{
+        public fun <T: TObject> getEmpty(): TObjArray<T> = TObjArray(emptyList())
+    }
+}
+
+@Serializable
+@SerialName("TList")
+public class TList(public val arr: List<@Contextual TObject>): TObject()
+
+@Serializable
+@SerialName("THashList")
+public class THashList(public val arr: List<@Contextual TObject>): TObject()

cern-root-loader/src/commonMain/kotlin/ru/mipt/npm/root/serialization/jsonToRoot.kt

@@ -0,0 +1,235 @@
+package ru.mipt.npm.root.serialization
+
+import kotlinx.serialization.DeserializationStrategy
+import kotlinx.serialization.ExperimentalSerializationApi
+import kotlinx.serialization.KSerializer
+import kotlinx.serialization.descriptors.SerialDescriptor
+import kotlinx.serialization.encoding.Decoder
+import kotlinx.serialization.json.*
+import kotlinx.serialization.modules.SerializersModule
+import kotlinx.serialization.modules.contextual
+import kotlinx.serialization.modules.polymorphic
+import kotlinx.serialization.modules.subclass
+
+
+private fun <T> jsonRootDeserializer(
+    tSerializer: KSerializer<T>,
+    builder: (JsonElement) -> T
+): DeserializationStrategy<T> = object :
+    DeserializationStrategy<T> {
+    private val jsonElementSerializer = JsonElement.serializer()
+
+    override val descriptor: SerialDescriptor
+        get() = jsonElementSerializer.descriptor
+
+    override fun deserialize(decoder: Decoder): T {
+        val json = decoder.decodeSerializableValue(jsonElementSerializer)
+        return builder(json)
+    }
+}
+
+/**
+ * Load Json encoded TObject
+ */
+public fun <T : TObject> TObject.decodeFromJson(serializer: KSerializer<T>, jsonElement: JsonElement): T =
+    RootDecoder.decode(serializer, jsonElement)
+
+public fun <T : TObject> TObject.decodeFromString(serializer: KSerializer<T>, string: String): T {
+    val json = Json.parseToJsonElement(string)
+    return RootDecoder.decode(serializer, json)
+}
+
+private object RootDecoder {
+
+    private class RootUnrefSerializer<T>(
+        private val tSerializer: KSerializer<T>,
+        private val refCache: List<RefEntry>,
+    ) : KSerializer<T> by tSerializer {
+
+        override fun deserialize(decoder: Decoder): T {
+            val input = decoder as JsonDecoder
+            val element = input.decodeJsonElement()
+            val refId = (element as? JsonObject)?.get("\$ref")?.jsonPrimitive?.int
+            val ref = if (refId != null) {
+                println("Substituting ${tSerializer.descriptor.serialName} ref $refId")
+                //Forward ref for shapes
+                when (tSerializer.descriptor.serialName) {
+                    "TGeoShape" -> return TGeoShapeRef {
+                        refCache[refId].getOrPutValue {
+                            input.json.decodeFromJsonElement(tSerializer, it) as TGeoShape
+                        }
+                    } as T
+
+                    "TGeoVolumeAssembly" -> return TGeoVolumeAssemblyRef {
+                        refCache[refId].getOrPutValue {
+                            input.json.decodeFromJsonElement(tSerializer, it) as TGeoVolumeAssembly
+                        }
+                    } as T
+
+                    "TGeoVolume" -> return TGeoVolumeRef {
+                        refCache[refId].getOrPutValue {
+                            input.json.decodeFromJsonElement(tSerializer, it) as TGeoVolume
+                        }
+                    } as T
+
+                    //Do unref
+                    else -> refCache[refId]
+                }
+            } else {
+                refCache.find { it.element == element } ?: error("Element '$element' not found in the cache")
+            }
+
+            return ref.getOrPutValue {
+//                println("Decoding $it")
+                val actualTypeName = it.jsonObject["_typename"]?.jsonPrimitive?.content
+                input.json.decodeFromJsonElement(tSerializer, it)
+            }
+        }
+    }
+
+    private fun <T> KSerializer<T>.unref(refCache: List<RefEntry>): KSerializer<T> = RootUnrefSerializer(this, refCache)
+
+    @OptIn(ExperimentalSerializationApi::class)
+    fun unrefSerializersModule(
+        refCache: List<RefEntry>
+    ): SerializersModule = SerializersModule {
+
+        contextual(TObjArray::class) {
+            TObjArray.serializer(it[0]).unref(refCache)
+        }
+
+        contextual(TGeoMedium.serializer().unref(refCache))
+
+        polymorphic(TGeoBoolNode::class) {
+            subclass(TGeoIntersection.serializer().unref(refCache))
+            subclass(TGeoUnion.serializer().unref(refCache))
+            subclass(TGeoSubtraction.serializer().unref(refCache))
+        }
+
+        polymorphic(TGeoShape::class) {
+            subclass(TGeoBBox.serializer())
+            subclass(TGeoXtru.serializer())
+            subclass(TGeoTube.serializer())
+            subclass(TGeoTubeSeg.serializer())
+            subclass(TGeoPcon.serializer())
+            subclass(TGeoPgon.serializer())
+
+            subclass(TGeoCompositeShape.serializer().unref(refCache))
+            subclass(TGeoShapeAssembly.serializer().unref(refCache))
+
+            default {
+                if (it == null) {
+                    TGeoShape.serializer().unref(refCache)
+                } else {
+                    error("Unrecognized shape $it")
+                }
+            }
+        }
+
+        polymorphic(TGeoMatrix::class) {
+            subclass(TGeoIdentity.serializer())
+            subclass(TGeoHMatrix.serializer().unref(refCache))
+            subclass(TGeoTranslation.serializer())
+            subclass(TGeoRotation.serializer())
+            subclass(TGeoCombiTrans.serializer().unref(refCache))
+
+
+            val unrefed = TGeoMatrix.serializer().unref(refCache)
+            default {
+                if (it == null) {
+                    unrefed
+                } else {
+                    error("Unrecognized matrix $it")
+                }
+            }
+        }
+
+        polymorphic(TGeoVolume::class, TGeoVolume.serializer().unref(refCache)) {
+            subclass(TGeoVolumeAssembly.serializer().unref(refCache))
+
+            val unrefed = TGeoVolume.serializer().unref(refCache)
+            default {
+                if (it == null) {
+                    unrefed
+                } else {
+                    error("Unrecognized volume $it")
+                }
+            }
+        }
+
+        polymorphic(TGeoNode::class, TGeoNode.serializer().unref(refCache)) {
+            subclass(TGeoNodeMatrix.serializer().unref(refCache))
+            subclass(TGeoNodeOffset.serializer().unref(refCache))
+
+            val unrefed = TGeoNode.serializer().unref(refCache)
+            default {
+                if (it == null) {
+                    unrefed
+                } else {
+                    error("Unrecognized node $it")
+                }
+            }
+        }
+    }
+
+    /**
+     * Create an instance of Json with unfolding Root references. This instance could not be reused because of the cache.
+     */
+    private fun unrefJson(refCache: MutableList<RefEntry>): Json = Json {
+        encodeDefaults = true
+        ignoreUnknownKeys = true
+        classDiscriminator = "_typename"
+        serializersModule = unrefSerializersModule(refCache)
+    }
+
+
+    fun <T : TObject> decode(sourceDeserializer: KSerializer<T>, source: JsonElement): T {
+        val refCache = ArrayList<RefEntry>()
+
+        fun fillCache(element: JsonElement) {
+            when (element) {
+                is JsonObject -> {
+                    if (element["_typename"] != null) {
+                        refCache.add(RefEntry(element))
+                    }
+                    element.values.forEach {
+                        fillCache(it)
+                    }
+                }
+                is JsonArray -> {
+                    element.forEach {
+                        fillCache(it)
+                    }
+                }
+                else -> {
+                    //ignore primitives
+                }
+            }
+        }
+        fillCache(source)
+
+        return unrefJson(refCache).decodeFromJsonElement(sourceDeserializer.unref(refCache), source)
+    }
+
+    class RefEntry(val element: JsonElement) {
+
+        var value: Any? = null
+
+        fun <T> getOrPutValue(builder: (JsonElement) -> T): T {
+            if (value == null) {
+                value = builder(element)
+            }
+            return value as T
+        }
+
+        override fun toString(): String = element.toString()
+    }
+
+//    val json = Json {
+//        encodeDefaults = true
+//        ignoreUnknownKeys = true
+//        classDiscriminator = "_typename"
+//        serializersModule = this@RootDecoder.serializersModule
+//    }
+
+}

cern-root-loader/src/commonMain/kotlin/ru/mipt/npm/root/serialization/rootToSolid.kt

@@ -0,0 +1,187 @@
+package ru.mipt.npm.root.serialization
+
+import space.kscience.dataforge.names.Name
+import space.kscience.dataforge.names.asName
+import space.kscience.dataforge.names.plus
+import space.kscience.visionforge.solid.*
+import kotlin.math.PI
+import kotlin.math.atan2
+import kotlin.math.pow
+import kotlin.math.sqrt
+
+
+private val solidsName = "solids".asName()
+private val volumesName = "volumes".asName()
+
+private operator fun Number.times(d: Double) = toDouble() * d
+
+private operator fun Number.times(f: Float) = toFloat() * f
+
+private fun degToRad(d: Double) = d * PI / 180.0
+
+// converting to XYZ to Tait–Bryan angles according to https://en.wikipedia.org/wiki/Euler_angles#Rotation_matrix
+private fun Solid.rotate(rot: DoubleArray) {
+    val xAngle = atan2(-rot[5], rot[8])
+    val yAngle = atan2(rot[2], sqrt(1.0 - rot[2].pow(2)))
+    val zAngle = atan2(-rot[1], rot[0])
+    rotation = Point3D(xAngle, yAngle, zAngle)
+}
+
+private fun Solid.translate(trans: DoubleArray) {
+    val (x, y, z) = trans
+    position = Point3D(x, y, z)
+}
+
+private fun Solid.useMatrix(matrix: TGeoMatrix?) {
+    when (matrix) {
+        null, is TGeoIdentity -> {
+            //do nothing
+        }
+        is TGeoTranslation -> {
+            translate(matrix.fTranslation)
+        }
+        is TGeoRotation -> {
+            rotate(matrix.fRotationMatrix)
+        }
+        is TGeoCombiTrans -> {
+            translate(matrix.fTranslation)
+            matrix.fRotation?.let { rotate(it.fRotationMatrix) }
+        }
+        is TGeoHMatrix -> {
+            translate(matrix.fTranslation)
+            rotate(matrix.fRotationMatrix)
+            val (xScale, yScale, zScale) = matrix.fScale
+            scale = Point3D(xScale, yScale, zScale)
+        }
+    }
+}
+
+private fun SolidGroup.addShape(shape: TGeoShape) {
+    when (shape) {
+        is TGeoShapeRef -> addShape(shape.value)
+        is TGeoCompositeShape -> {
+            val bool: TGeoBoolNode = shape.fNode
+            val compositeType = when (bool) {
+                is TGeoIntersection -> CompositeType.INTERSECT
+                is TGeoSubtraction -> CompositeType.SUBTRACT
+                is TGeoUnion -> CompositeType.UNION
+            }
+            composite(compositeType, name = shape.fName) {
+                addShape(bool.fLeft).apply {
+                    useMatrix(bool.fLeftMat)
+                }
+                addShape(bool.fRight).apply {
+                    useMatrix(bool.fRightMat)
+                }
+            }
+        }
+        is TGeoXtru -> extruded(name = shape.fName) {
+
+            (0 until shape.fNvert).forEach { index ->
+                shape {
+                    point(shape.fX[index], shape.fY[index])
+                }
+            }
+
+            (0 until shape.fNz).forEach { index ->
+                layer(
+                    shape.fZ[index],
+                    shape.fX0[index],
+                    shape.fY0[index],
+                    shape.fScale[index]
+                )
+            }
+        }
+        is TGeoTube -> tube(
+            radius = shape.fRmax,
+            height = shape.fDz * 2,
+            innerRadius = shape.fRmin,
+            name = shape.fName
+        )
+        is TGeoTubeSeg -> tube(
+            radius = shape.fRmax,
+            height = shape.fDz * 2,
+            innerRadius = shape.fRmin,
+            startAngle = degToRad(shape.fPhi1),
+            angle = degToRad(shape.fPhi2 - shape.fPhi1),
+            name = shape.fName
+        )
+        is TGeoPcon -> TODO()
+        is TGeoPgon -> TODO()
+        is TGeoShapeAssembly -> volume(shape.fVolume)
+        is TGeoBBox -> box(shape.fDX * 2, shape.fDY * 2, shape.fDZ * 2, name = shape.fName)
+    }
+}
+
+private fun SolidGroup.node(obj: TGeoNode) {
+    if (obj.fVolume != null) {
+        volume(obj.fVolume, obj.fName).apply {
+            when (obj) {
+                is TGeoNodeMatrix -> {
+                    useMatrix(obj.fMatrix)
+                }
+                is TGeoNodeOffset -> {
+                    x = obj.fOffset
+                }
+            }
+        }
+    }
+}
+
+private fun buildGroup(volume: TGeoVolume): SolidGroup {
+    return if (volume is TGeoVolumeAssemblyRef) {
+        buildGroup(volume.value)
+    } else {
+        SolidGroup {
+            volume.fShape?.let { addShape(it) }
+            volume.fNodes?.let {
+                it.arr.forEach { obj ->
+                    node(obj)
+                }
+            }
+        }
+    }
+}
+
+private val SolidGroup.rootPrototypes: SolidGroup get() = (parent as? SolidGroup)?.rootPrototypes ?: this
+
+private fun SolidGroup.volume(volume: TGeoVolume, name: String? = null, cache: Boolean = true): Solid {
+    val group = buildGroup(volume)
+    val combinedName = if (volume.fName.isEmpty()) {
+        name
+    } else if (name == null) {
+        volume.fName
+    } else {
+        "${name}_${volume.fName}"
+    }
+    return if (!cache) {
+        group
+    } else newRef(
+        name = combinedName,
+        obj = group,
+        prototypeHolder = rootPrototypes,
+        templateName = volumesName + Name.parse(combinedName ?: "volume[${group.hashCode()}]")
+    )
+}
+
+//    private fun load(geo: TGeoManager): SolidGroup {
+////        /**
+////         * A special group for local templates
+////         */
+////        val proto = SolidGroup()
+////
+////        val solids = proto.group(solidsName) {
+////            setPropertyNode("edges.enabled", false)
+////        }
+////
+////        val volumes = proto.group(volumesName)
+////
+////        val referenceStore = HashMap<Name, MutableList<SolidReferenceGroup>>()
+//    }
+
+
+public fun TGeoManager.toSolid(): SolidGroup = SolidGroup {
+    fNodes.arr.forEach {
+        node(it)
+    }
+}

demo/gdml/src/jvmMain/kotlin/space/kscience/visionforge/gdml/demo/GdmlFxDemoApp.kt

@@ -21,7 +21,6 @@ class GDMLDemoApp : App(GDMLView::class)
 class GDMLView : View() {
     private val context = Context {
         plugin(FX3DPlugin)
-        plugin(VisionManager)
     }
 
     private val fx3d = context.fetch(FX3DPlugin)

demo/js-playground/src/main/kotlin/gravityDemo.kt

@@ -6,6 +6,7 @@ import react.RProps
 import react.child
 import react.functionalComponent
 import space.kscience.dataforge.context.Context
+import space.kscience.plotly.layout
 import space.kscience.plotly.models.Trace
 import space.kscience.visionforge.markup.VisionOfMarkup
 import space.kscience.visionforge.react.flexRow
@@ -91,7 +92,10 @@ val GravityDemo = functionalComponent<DemoProps> { props ->
                 height = 50.vh - 50.pt
             }
             plotly {
-                traces(velocityTrace)
+                traces(velocityTrace,energyTrace)
+                layout {
+                    xaxis.title = "time"
+                }
             }
             Markup {
                 attrs {

demo/js-playground/src/main/kotlin/markupComponent.kt

@@ -32,7 +32,7 @@ val Markup = functionalComponent<MarkupProps>("Markup") { props ->
                 //TODO add new formats via plugins
                 else -> error("Format ${vision.format} not recognized")
             }
-            vision.useProperty(VisionOfMarkup::content) { content ->
+            vision.useProperty(VisionOfMarkup::content) { content: String? ->
                 element.clear()
                 element.append {
                     markdown(flavour) { content ?: "" }

demo/jupyter-playground/src/main/kotlin/VisionForgePlayGroundForJupyter.kt

@@ -6,7 +6,6 @@ import kotlinx.html.script
 import kotlinx.html.stream.createHTML
 import kotlinx.html.unsafe
 import org.jetbrains.kotlinx.jupyter.api.HTML
-import org.jetbrains.kotlinx.jupyter.api.annotations.JupyterLibrary
 import org.jetbrains.kotlinx.jupyter.api.libraries.*
 import space.kscience.dataforge.context.Context
 import space.kscience.dataforge.misc.DFExperimental
@@ -22,7 +21,6 @@ import space.kscience.visionforge.plotly.asVision
 import space.kscience.visionforge.solid.Solids
 import space.kscience.visionforge.visionManager
 
-@JupyterLibrary
 @DFExperimental
 public class VisionForgePlayGroundForJupyter : JupyterIntegration() {
 

demo/muon-monitor/build.gradle.kts

@@ -65,12 +65,6 @@ application {
     mainClass.set("ru.mipt.npm.muon.monitor.server.MMServerKt")
 }
 
-tasks.withType<org.jetbrains.kotlin.gradle.dsl.KotlinJsCompile>() {
-    kotlinOptions {
-        freeCompilerArgs = freeCompilerArgs + "-Xir-property-lazy-initialization"
-    }
-}
-
 //distributions {
 //    main {
 //        contents {

demo/playground/build.gradle.kts

@@ -55,6 +55,7 @@ kotlin {
                 api(project(":visionforge-gdml"))
                 api(project(":visionforge-plotly"))
                 api(projects.visionforge.visionforgeMarkdown)
+                api(projects.visionforge.cernRootLoader)
             }
         }
 

demo/playground/src/jvmMain/kotlin/rootParser.kt

@@ -0,0 +1,109 @@
+package space.kscience.visionforge.examples
+
+import ru.mipt.npm.root.DGeoManager
+import ru.mipt.npm.root.serialization.TGeoManager
+import ru.mipt.npm.root.toSolid
+import space.kscience.dataforge.context.Context
+import space.kscience.dataforge.meta.Meta
+import space.kscience.dataforge.meta.get
+import space.kscience.dataforge.meta.isLeaf
+import space.kscience.dataforge.values.string
+import space.kscience.visionforge.solid.Solids
+import java.nio.file.Paths
+import kotlin.io.path.writeText
+
+
+private fun Meta.countTypes(): Sequence<String> = sequence {
+    if (!isLeaf) {
+        get("_typename")?.value?.let { yield(it.string) }
+        items.forEach { yieldAll(it.value.countTypes()) }
+    }
+}
+
+fun main() {
+    val context = Context {
+        plugin(Solids)
+    }
+
+    val string = TGeoManager::class.java.getResourceAsStream("/root/BM@N.root.json")!!
+        .readAllBytes().decodeToString()
+
+    val geo = DGeoManager.parse(string)
+
+
+    val sizes = geo.meta.countTypes().groupBy { it }.mapValues { it.value.size }
+    sizes.forEach {
+        println(it)
+    }
+
+
+    val solid = geo.toSolid()
+
+    Paths.get("BM@N.vf.json").writeText(Solids.encodeToString(solid))
+    //println(Solids.encodeToString(solid))
+
+    context.makeVisionFile {
+        vision("canvas") {
+            solid
+       }
+    }
+}
+
+
+
+/*            SolidGroup {
+                set(
+                    "Coil",
+                    solid.getPrototype("Coil".asName())!!.apply {
+                        parent = null
+                    }
+                )
+               *//* group("Shade") {
+                    y = 200
+                    color("red")
+                    coneSurface(
+                        bottomOuterRadius = 135,
+                        bottomInnerRadius = 25,
+                        height = 50,
+                        topOuterRadius = 135,
+                        topInnerRadius = 25,
+                        angle = 1.5707964
+                    ) {
+                        position = Point3D(79.6, 0, -122.1)
+                        rotation = Point3D(-1.5707964, 0, 0)
+                    }
+                    coneSurface(
+                        bottomOuterRadius = 135,
+                        bottomInnerRadius = 25,
+                        height = 50,
+                        topOuterRadius = 135,
+                        topInnerRadius = 25,
+                        angle = 1.5707964
+                    ) {
+                        position = Point3D(-79.6, 0, -122.1)
+                        rotation = Point3D(1.5707964, 0, -3.1415927)
+                    }
+                    coneSurface(
+                        bottomOuterRadius = 135,
+                        bottomInnerRadius = 25,
+                        height = 50,
+                        topOuterRadius = 135,
+                        topInnerRadius = 25,
+                        angle = 1.5707964
+                    ) {
+                        position = Point3D(79.6, 0, 122.1)
+                        rotation = Point3D(1.5707964, 0, 0)
+                    }
+                    coneSurface(
+                        bottomOuterRadius = 135,
+                        bottomInnerRadius = 25,
+                        height = 50,
+                        topOuterRadius = 135,
+                        topInnerRadius = 25,
+                        angle = 1.5707964
+                    ) {
+                        position = Point3D(-79.6, 0, 122.1)
+                        rotation = Point3D(-1.5707964, 0, -3.1415927)
+                    }
+                }*//*
+            }*/

gradle.properties

@@ -1,9 +1,7 @@
 kotlin.code.style=official
-kotlin.mpp.enableGranularSourceSetsMetadata=true
 kotlin.mpp.stability.nowarn=true
-kotlin.native.enableDependencyPropagation=false
+
-kapt.use.worker.api=false
+kotlin.jupyter.add.scanner=false
-kapt.incremental.apt=false
 
 org.gradle.jvmargs=-XX:MaxMetaspaceSize=1G
 org.gradle.parallel=true

jupyter/visionforge-gdml-jupyter/build.gradle.kts

@@ -57,3 +57,7 @@ kscience {
 readme {
     maturity = ru.mipt.npm.gradle.Maturity.EXPERIMENTAL
 }
+
+tasks.named<org.jetbrains.kotlinx.jupyter.api.plugin.tasks.JupyterApiResourcesTask>("processJupyterApiResources") {
+    libraryProducers = listOf("space.kscience.visionforge.gdml.jupyter.GdmlForJupyter")
+}

jupyter/visionforge-gdml-jupyter/src/jvmMain/kotlin/GdmlForJupyter.kt

@@ -2,7 +2,6 @@ package space.kscience.visionforge.gdml.jupyter
 
 import kotlinx.html.stream.createHTML
 import org.jetbrains.kotlinx.jupyter.api.HTML
-import org.jetbrains.kotlinx.jupyter.api.annotations.JupyterLibrary
 import org.jetbrains.kotlinx.jupyter.api.libraries.JupyterIntegration
 import org.jetbrains.kotlinx.jupyter.api.libraries.resources
 import space.kscience.dataforge.context.Context
@@ -16,7 +15,6 @@ import space.kscience.visionforge.html.embedAndRenderVisionFragment
 import space.kscience.visionforge.solid.Solids
 import space.kscience.visionforge.visionManager
 
-@JupyterLibrary
 @DFExperimental
 internal class GdmlForJupyter : JupyterIntegration() {
 

settings.gradle.kts

@@ -32,6 +32,7 @@ include(
     ":visionforge-threejs",
     ":visionforge-threejs:visionforge-threejs-server",
     ":visionforge-gdml",
+    ":cern-root-loader",
     ":visionforge-server",
     ":visionforge-plotly",
     ":visionforge-markdown",

ui/react/src/main/kotlin/space/kscience/visionforge/react/VisionTree.kt

@@ -83,7 +83,7 @@ private fun RBuilder.visionTree(props: ObjectTreeProps): Unit {
                 }
                 obj.children.entries
                     .filter { !it.key.toString().startsWith("@") } // ignore statics and other hidden children
-                    .sortedBy { (it.value as? VisionGroup)?.isEmpty ?: true } // ignore empty groups
+                    .sortedBy { (it.value as? VisionGroup)?.isEmpty() ?: true } // ignore empty groups
                     .forEach { (childToken, child) ->
                         styledDiv {
                             css {

ui/ring/src/main/kotlin/space.kscience.visionforge.ring/ThreeViewWithControls.kt

@@ -13,9 +13,7 @@ import space.kscience.dataforge.names.Name
 import space.kscience.dataforge.names.NameToken
 import space.kscience.dataforge.names.isEmpty
 import space.kscience.dataforge.names.length
-import space.kscience.visionforge.Vision
+import space.kscience.visionforge.*
-import space.kscience.visionforge.VisionGroup
-import space.kscience.visionforge.computeProperties
 import space.kscience.visionforge.react.ThreeCanvasComponent
 import space.kscience.visionforge.react.flexColumn
 import space.kscience.visionforge.react.flexRow
@@ -85,7 +83,9 @@ public val ThreeCanvasWithControls: FunctionComponent<ThreeCanvasWithControlsPro
 
         useEffect {
             props.context.launch {
-                solid = props.builderOfSolid.await()
+                solid = props.builderOfSolid.await().also {
+                    it?.root(props.context.visionManager)
+                }
             }
         }
 

visionforge-core/src/commonMain/kotlin/space/kscience/visionforge/VisionGroup.kt

@@ -63,7 +63,7 @@ public interface VisionGroup : Provider, Vision, VisionContainer<Vision> {
  */
 public operator fun VisionGroup.iterator(): Iterator<Vision> = children.values.iterator()
 
-public val VisionGroup.isEmpty: Boolean get() = this.children.isEmpty()
+public fun VisionGroup.isEmpty(): Boolean = this.children.isEmpty()
 
 public interface VisionContainerBuilder<in V : Vision> {
     //TODO add documentation

visionforge-core/src/commonMain/kotlin/space/kscience/visionforge/VisionGroupBase.kt

@@ -76,7 +76,7 @@ public open class VisionGroupBase(
      * Set parent for given child and attach it
      */
     private fun attachChild(token: NameToken, child: Vision?) {
-        val before = children[token]
+        val before = childrenInternal[token]
         when {
             child == null -> {
                 childrenInternal.remove(token)

visionforge-core/src/jvmMain/kotlin/space/kscience/visionforge/html/headers.kt

@@ -67,8 +67,8 @@ internal fun checkOrStoreFile(htmlPath: Path, filePath: Path, resource: String):
     if (!skip) {
         logger.debug("File $fullPath does not exist or wrong checksum. Writing file")
         Files.createDirectories(fullPath.parent)
-        Files.write(fullPath, bytes, StandardOpenOption.CREATE, StandardOpenOption.WRITE)
+        Files.write(fullPath, bytes, StandardOpenOption.CREATE,StandardOpenOption.TRUNCATE_EXISTING, StandardOpenOption.WRITE)
-        Files.write(md5File, checksum.encodeToByteArray(), StandardOpenOption.CREATE, StandardOpenOption.WRITE)
+        Files.write(md5File, checksum.encodeToByteArray(), StandardOpenOption.CREATE, StandardOpenOption.TRUNCATE_EXISTING, StandardOpenOption.WRITE)
     }
 
     return if (htmlPath.isAbsolute && fullPath.startsWith(htmlPath.parent)) {

visionforge-fx/src/main/kotlin/space/kscience/visionforge/solid/FX3DPlugin.kt

@@ -27,6 +27,8 @@ import kotlin.reflect.KClass
 public class FX3DPlugin : AbstractPlugin() {
     override val tag: PluginTag get() = Companion.tag
 
+    public val solids: Solids by require(Solids)
+
     private val objectFactories = HashMap<KClass<out Solid>, FX3DFactory<*>>()
     private val compositeFactory = FXCompositeFactory(this)
     private val referenceFactory = FXReferenceFactory(this)
@@ -50,6 +52,7 @@ public class FX3DPlugin : AbstractPlugin() {
             is SolidGroup -> {
                 Group(obj.children.mapNotNull { (token, obj) ->
                     (obj as? Solid)?.let {
+                        logger.info { token.toString() }
                         buildNode(it).apply {
                             properties["name"] = token.toString()
                         }

visionforge-fx/src/main/kotlin/space/kscience/visionforge/solid/FXCompositeFactory.kt

@@ -48,7 +48,7 @@ public class FXCompositeFactory(public val plugin: FX3DPlugin) : FX3DFactory<Com
         val firstCSG = first.toCSG()
         val secondCSG = second.toCSG()
         val resultCSG = when (obj.compositeType) {
-            CompositeType.SUM, CompositeType.UNION -> firstCSG.union(secondCSG)
+            CompositeType.GROUP, CompositeType.UNION -> firstCSG.union(secondCSG)
             CompositeType.INTERSECT -> firstCSG.intersect(secondCSG)
             CompositeType.SUBTRACT -> firstCSG.difference(secondCSG)
         }

visionforge-gdml/build.gradle.kts

@@ -1,5 +1,4 @@
 plugins {
-    kotlin("multiplatform")
     id("ru.mipt.npm.gradle.mpp")
 }
 

visionforge-gdml/src/commonMain/kotlin/space/kscience/visionforge/gdml/GdmlLoaderOptions.kt

@@ -0,0 +1,95 @@
+package space.kscience.visionforge.gdml
+
+import space.kscience.dataforge.meta.Meta
+import space.kscience.dataforge.meta.MutableMeta
+import space.kscience.dataforge.names.Name
+import space.kscience.gdml.*
+import space.kscience.visionforge.solid.Solid
+import space.kscience.visionforge.solid.SolidMaterial
+import space.kscience.visionforge.solid.invoke
+import space.kscience.visionforge.useStyle
+import kotlin.random.Random
+
+public class GdmlLoaderOptions {
+
+    public enum class Action {
+        ADD,
+        REJECT,
+        PROTOTYPE
+    }
+
+    public var lUnit: LUnit = LUnit.MM
+    public var aUnit: AUnit = AUnit.RADIAN
+
+    public var solidAction: (GdmlSolid) -> Action = { Action.PROTOTYPE }
+    public var volumeAction: (GdmlGroup) -> Action = { Action.PROTOTYPE }
+
+    internal val styleCache = HashMap<Name, Meta>()
+
+    public fun Solid.registerAndUseStyle(name: String, builder: MutableMeta.() -> Unit) {
+        styleCache.getOrPut(Name.parse(name)) {
+            Meta(builder)
+        }
+        useStyle(name)
+    }
+
+    public fun Solid.transparent() {
+        registerAndUseStyle("transparent") {
+            SolidMaterial.MATERIAL_OPACITY_KEY put 0.3
+            "edges.enabled" put true
+        }
+    }
+
+    /**
+     * Configure paint for given solid with given [GdmlMaterial]
+     */
+    public var configurePaint: SolidMaterial.(material: GdmlMaterial, solid: GdmlSolid) -> Unit =
+        { material, _ -> color(randomColor(material)) }
+        private set
+
+    public fun paint(block: SolidMaterial.(material: GdmlMaterial, solid: GdmlSolid) -> Unit) {
+        configurePaint = block
+    }
+
+    /**
+     * Configure given solid
+     */
+    public var configureSolid: Solid.(parent: GdmlVolume, solid: GdmlSolid, material: GdmlMaterial) -> Unit =
+        { parent, solid, material ->
+            val styleName = "materials.${material.name}"
+
+            if (parent.physVolumes.isNotEmpty()) transparent()
+
+            registerAndUseStyle(styleName) {
+                val vfMaterial = SolidMaterial().apply {
+                    configurePaint(material, solid)
+                }
+                SolidMaterial.MATERIAL_KEY put vfMaterial.toMeta()
+                "Gdml.material" put material.name
+            }
+        }
+        private set
+
+    public fun configure(block: Solid.(parent: GdmlVolume, solid: GdmlSolid, material: GdmlMaterial) -> Unit) {
+        val oldConfigure = configureSolid
+        configureSolid = { parent: GdmlVolume, solid: GdmlSolid, material: GdmlMaterial ->
+            oldConfigure(parent, solid, material)
+            block(parent, solid, material)
+        }
+    }
+
+
+    public companion object {
+        private val random: Random = Random(222)
+
+        private val colorCache = HashMap<GdmlMaterial, Int>()
+
+        /**
+         * Use random color and cache it based on the material. Meaning that colors are random, but always the same for the
+         * same material.
+         */
+        public fun randomColor(material: GdmlMaterial): Int {
+            return colorCache.getOrPut(material) { random.nextInt(16777216) }
+        }
+    }
+}

visionforge-gdml/src/commonMain/kotlin/space/kscience/visionforge/gdml/gdmlLoader.kt

@@ -1,7 +1,5 @@
 package space.kscience.visionforge.gdml
 
-import space.kscience.dataforge.meta.Meta
-import space.kscience.dataforge.meta.MutableMeta
 import space.kscience.dataforge.misc.DFExperimental
 import space.kscience.dataforge.names.Name
 import space.kscience.dataforge.names.asName
@@ -11,10 +9,8 @@ import space.kscience.gdml.*
 import space.kscience.visionforge.*
 import space.kscience.visionforge.html.VisionOutput
 import space.kscience.visionforge.solid.*
-import space.kscience.visionforge.solid.SolidMaterial.Companion.MATERIAL_KEY
 import kotlin.math.cos
 import kotlin.math.sin
-import kotlin.random.Random
 
 private val solidsName = "solids".asName()
 private val volumesName = "volumes".asName()
@@ -25,91 +21,7 @@ private inline operator fun Number.times(d: Double) = toDouble() * d
 @Suppress("NOTHING_TO_INLINE")
 private inline operator fun Number.times(f: Float) = toFloat() * f
 
-public class GdmlTransformer {
+private class GdmlLoader(val settings: GdmlLoaderOptions) {
-
-    public enum class Action {
-        ADD,
-        REJECT,
-        PROTOTYPE
-    }
-
-    public var lUnit: LUnit = LUnit.MM
-    public var aUnit: AUnit = AUnit.RADIAN
-
-    public var solidAction: (GdmlSolid) -> Action = { Action.PROTOTYPE }
-    public var volumeAction: (GdmlGroup) -> Action = { Action.PROTOTYPE }
-
-    internal val styleCache = HashMap<Name, Meta>()
-
-    public fun Solid.registerAndUseStyle(name: String, builder: MutableMeta.() -> Unit) {
-        styleCache.getOrPut(Name.parse(name)) {
-            Meta(builder)
-        }
-        useStyle(name)
-    }
-
-    public fun Solid.transparent() {
-        registerAndUseStyle("transparent") {
-            SolidMaterial.MATERIAL_OPACITY_KEY put 0.3
-            "edges.enabled" put true
-        }
-    }
-
-    /**
-     * Configure paint for given solid with given [GdmlMaterial]
-     */
-    public var configurePaint: SolidMaterial.(material: GdmlMaterial, solid: GdmlSolid) -> Unit =
-        { material, _ -> color(randomColor(material)) }
-        private set
-
-    public fun paint(block: SolidMaterial.(material: GdmlMaterial, solid: GdmlSolid) -> Unit) {
-        configurePaint = block
-    }
-
-    /**
-     * Configure given solid
-     */
-    public var configureSolid: Solid.(parent: GdmlVolume, solid: GdmlSolid, material: GdmlMaterial) -> Unit =
-        { parent, solid, material ->
-            val styleName = "materials.${material.name}"
-
-            if (parent.physVolumes.isNotEmpty()) transparent()
-
-            registerAndUseStyle(styleName) {
-                val vfMaterial = SolidMaterial().apply {
-                    configurePaint(material, solid)
-                }
-                MATERIAL_KEY put vfMaterial.toMeta()
-                "Gdml.material" put material.name
-            }
-        }
-        private set
-
-    public fun configure(block: Solid.(parent: GdmlVolume, solid: GdmlSolid, material: GdmlMaterial) -> Unit) {
-        val oldConfigure = configureSolid
-        configureSolid = { parent: GdmlVolume, solid: GdmlSolid, material: GdmlMaterial ->
-            oldConfigure(parent, solid, material)
-            block(parent, solid, material)
-        }
-    }
-
-
-    public companion object {
-        private val random: Random = Random(222)
-
-        private val colorCache = HashMap<GdmlMaterial, Int>()
-
-        /**
-         * Use random color and cache it based on the material. Meaning that colors are random, but always the same for the
-         * same material.
-         */
-        public fun randomColor(material: GdmlMaterial): Int {
-            return colorCache.getOrPut(material) { random.nextInt(16777216) }
-        }
-    }
-}
-
-private class GdmlTransformerEnv(val settings: GdmlTransformer) {
     //private val materialCache = HashMap<GdmlMaterial, Meta>()
 
     /**
@@ -303,12 +215,12 @@ private class GdmlTransformerEnv(val settings: GdmlTransformer) {
                 val first: GdmlSolid = solid.first.resolve(root) ?: error("")
                 val second: GdmlSolid = solid.second.resolve(root) ?: error("")
                 val type: CompositeType = when (solid) {
-                    is GdmlUnion -> CompositeType.SUM // dumb sum for better performance
+                    is GdmlUnion -> CompositeType.UNION // dumb sum for better performance
                     is GdmlSubtraction -> CompositeType.SUBTRACT
                     is GdmlIntersection -> CompositeType.INTERSECT
                 }
 
-                return composite(type, name) {
+                return smartComposite(type, name) {
                     addSolid(root, first).withPosition(
                         solid.resolveFirstPosition(root),
                         solid.resolveFirstRotation(root),
@@ -356,13 +268,13 @@ private class GdmlTransformerEnv(val settings: GdmlTransformer) {
     ): Solid? {
         require(name != "") { "Can't use empty solid name. Use null instead." }
         return when (settings.solidAction(solid)) {
-            GdmlTransformer.Action.ADD -> {
+            GdmlLoaderOptions.Action.ADD -> {
                 addSolid(root, solid, name)
             }
-            GdmlTransformer.Action.PROTOTYPE -> {
+            GdmlLoaderOptions.Action.PROTOTYPE -> {
                 proxySolid(root, this, solid, name ?: solid.name)
             }
-            GdmlTransformer.Action.REJECT -> {
+            GdmlLoaderOptions.Action.REJECT -> {
                 //ignore
                 null
             }
@@ -388,14 +300,14 @@ private class GdmlTransformerEnv(val settings: GdmlTransformer) {
         }
 
         when (settings.volumeAction(volume)) {
-            GdmlTransformer.Action.ADD -> {
+            GdmlLoaderOptions.Action.ADD -> {
                 val group: SolidGroup = volume(root, volume)
                 this[physVolume.name] = group.withPosition(root, physVolume)
             }
-            GdmlTransformer.Action.PROTOTYPE -> {
+            GdmlLoaderOptions.Action.PROTOTYPE -> {
                 proxyVolume(root, this, physVolume, volume)
             }
-            GdmlTransformer.Action.REJECT -> {
+            GdmlLoaderOptions.Action.REJECT -> {
                 //ignore
             }
         }
@@ -460,16 +372,16 @@ private class GdmlTransformerEnv(val settings: GdmlTransformer) {
 }
 
 
-public fun Gdml.toVision(block: GdmlTransformer.() -> Unit = {}): SolidGroup {
+public fun Gdml.toVision(block: GdmlLoaderOptions.() -> Unit = {}): SolidGroup {
-    val settings = GdmlTransformer().apply(block)
+    val settings = GdmlLoaderOptions().apply(block)
-    val context = GdmlTransformerEnv(settings)
+    val context = GdmlLoader(settings)
     return context.transform(this)
 }
 
 /**
  * Append Gdml node to the group
  */
-public fun SolidGroup.gdml(gdml: Gdml, key: String? = null, transformer: GdmlTransformer.() -> Unit = {}) {
+public fun SolidGroup.gdml(gdml: Gdml, key: String? = null, transformer: GdmlLoaderOptions.() -> Unit = {}) {
     val visual = gdml.toVision(transformer)
     //println(Visual3DPlugin.json.stringify(VisualGroup3D.serializer(), visual))
     set(key, visual)

visionforge-gdml/src/jvmMain/kotlin/space/kscience/visionforge/gdml/gdmlJVM.kt

@@ -9,7 +9,7 @@ public fun SolidGroup.gdml(
     file: Path,
     key: String = "",
     usePreprocessor: Boolean = false,
-    transformer: GdmlTransformer.() -> Unit = {},
+    transformer: GdmlLoaderOptions.() -> Unit = {},
 ) {
     val gdml = Gdml.decodeFromFile(file, usePreprocessor)
     gdml(gdml, key, transformer)

visionforge-solid/src/commonMain/kotlin/space/kscience/visionforge/solid/Composite.kt

@@ -2,13 +2,15 @@ package space.kscience.visionforge.solid
 
 import kotlinx.serialization.SerialName
 import kotlinx.serialization.Serializable
+import space.kscience.dataforge.meta.isEmpty
 import space.kscience.dataforge.meta.update
 import space.kscience.visionforge.VisionBuilder
 import space.kscience.visionforge.VisionContainerBuilder
+import space.kscience.visionforge.VisionPropertyContainer
 import space.kscience.visionforge.set
 
 public enum class CompositeType {
-    SUM, // Dumb sum of meshes
+    GROUP, // Dumb sum of meshes
     UNION, //CSG union
     INTERSECT,
     SUBTRACT
@@ -20,7 +22,7 @@ public class Composite(
     public val compositeType: CompositeType,
     public val first: Solid,
     public val second: Solid,
-) : SolidBase(), Solid
+) : SolidBase(), VisionPropertyContainer<Composite>
 
 @VisionBuilder
 public inline fun VisionContainerBuilder<Solid>.composite(
@@ -30,7 +32,9 @@ public inline fun VisionContainerBuilder<Solid>.composite(
 ): Composite {
     val group = SolidGroup().apply(builder)
     val children = group.children.values.filterIsInstance<Solid>()
-    if (children.size != 2) error("Composite requires exactly two children")
+    if (children.size != 2){
+        error("Composite requires exactly two children, but found ${children.size}")
+    }
     val res = Composite(type, children[0], children[1])
 
     res.meta.update(group.meta)
@@ -49,6 +53,31 @@ public inline fun VisionContainerBuilder<Solid>.composite(
     return res
 }
 
+/**
+ * A smart form of [Composite] that in case of [CompositeType.GROUP] creates a static group instead
+ */
+@VisionBuilder
+public fun SolidGroup.smartComposite(
+    type: CompositeType,
+    name: String? = null,
+    builder: SolidGroup.() -> Unit,
+): Solid = if (type == CompositeType.GROUP) {
+    val group = SolidGroup(builder)
+    if (name == null && group.meta.isEmpty()) {
+        //append directly to group if no properties are defined
+        group.children.forEach { (key, value) ->
+            value.parent = null
+            set(null, value)
+        }
+        this
+    } else {
+        set(name, group)
+        group
+    }
+} else {
+    composite(type, name, builder)
+}
+
 @VisionBuilder
 public inline fun VisionContainerBuilder<Solid>.union(
     name: String? = null,

visionforge-solid/src/commonMain/kotlin/space/kscience/visionforge/solid/ConeSurface.kt

@@ -4,6 +4,7 @@ import kotlinx.serialization.SerialName
 import kotlinx.serialization.Serializable
 import space.kscience.visionforge.VisionBuilder
 import space.kscience.visionforge.VisionContainerBuilder
+import space.kscience.visionforge.VisionPropertyContainer
 import space.kscience.visionforge.set
 import kotlin.math.PI
 import kotlin.math.cos
@@ -23,7 +24,7 @@ public class ConeSurface(
     public val topInnerRadius: Float,
     public val startAngle: Float = 0f,
     public val angle: Float = PI2,
-) : SolidBase(), GeometrySolid {
+) : SolidBase(), GeometrySolid, VisionPropertyContainer<ConeSurface> {
 
     init {
         require(bottomRadius > 0) { "Cone surface bottom radius must be positive" }

visionforge-solid/src/commonMain/kotlin/space/kscience/visionforge/solid/Convex.kt

@@ -3,11 +3,12 @@ package space.kscience.visionforge.solid
 import kotlinx.serialization.SerialName
 import kotlinx.serialization.Serializable
 import space.kscience.visionforge.VisionContainerBuilder
+import space.kscience.visionforge.VisionPropertyContainer
 import space.kscience.visionforge.set
 
 @Serializable
 @SerialName("solid.convex")
-public class Convex(public val points: List<Point3D>) : SolidBase(), Solid
+public class Convex(public val points: List<Point3D>) : SolidBase(), VisionPropertyContainer<Convex>
 
 public inline fun VisionContainerBuilder<Solid>.convex(name: String? = null, action: ConvexBuilder.() -> Unit = {}): Convex =
     ConvexBuilder().apply(action).build().also { set(name, it) }

visionforge-solid/src/commonMain/kotlin/space/kscience/visionforge/solid/Hexagon.kt

@@ -57,8 +57,8 @@ public inline fun VisionContainerBuilder<Solid>.box(
     ySize: Number,
     zSize: Number,
     name: String? = null,
-    action: Box.() -> Unit = {},
+    block: Box.() -> Unit = {},
-): Box = Box(xSize.toFloat(), ySize.toFloat(), zSize.toFloat()).apply(action).also { set(name, it) }
+): Box = Box(xSize.toFloat(), ySize.toFloat(), zSize.toFloat()).apply(block).also { set(name, it) }
 
 @Serializable
 @SerialName("solid.hexagon")

visionforge-solid/src/commonMain/kotlin/space/kscience/visionforge/solid/PolyLine.kt

@@ -5,14 +5,11 @@ import kotlinx.serialization.Serializable
 import space.kscience.dataforge.names.Name
 import space.kscience.dataforge.names.asName
 import space.kscience.dataforge.names.plus
-import space.kscience.visionforge.VisionBuilder
+import space.kscience.visionforge.*
-import space.kscience.visionforge.VisionContainerBuilder
-import space.kscience.visionforge.numberProperty
-import space.kscience.visionforge.set
 
 @Serializable
 @SerialName("solid.line")
-public class PolyLine(public val points: List<Point3D>) : SolidBase(), Solid {
+public class PolyLine(public val points: List<Point3D>) : SolidBase(), VisionPropertyContainer<PolyLine> {
 
     //var lineType by string()
     public var thickness: Number by numberProperty(name = SolidMaterial.MATERIAL_KEY + THICKNESS_KEY) { 1.0 }

visionforge-solid/src/commonMain/kotlin/space/kscience/visionforge/solid/SolidGroup.kt

@@ -82,8 +82,8 @@ public fun SolidGroup(block: SolidGroup.() -> Unit): SolidGroup {
 @VisionBuilder
 public fun VisionContainerBuilder<Vision>.group(
     name: Name? = null,
-    action: SolidGroup.() -> Unit = {},
+    builder: SolidGroup.() -> Unit = {},
-): SolidGroup = SolidGroup().apply(action).also { set(name, it) }
+): SolidGroup = SolidGroup().apply(builder).also { set(name, it) }
 
 /**
  * Define a group with given [name], attach it to this parent and return it.

visionforge-solid/src/commonMain/kotlin/space/kscience/visionforge/solid/SolidLabel.kt

@@ -4,6 +4,7 @@ import kotlinx.serialization.SerialName
 import kotlinx.serialization.Serializable
 import space.kscience.visionforge.VisionBuilder
 import space.kscience.visionforge.VisionContainerBuilder
+import space.kscience.visionforge.VisionPropertyContainer
 import space.kscience.visionforge.set
 
 @Serializable
@@ -12,7 +13,7 @@ public class SolidLabel(
     public val text: String,
     public val fontSize: Double,
     public val fontFamily: String,
-) : SolidBase(), Solid
+) : SolidBase(), VisionPropertyContainer<SolidLabel>
 
 @VisionBuilder
 public fun VisionContainerBuilder<Solid>.label(

visionforge-solid/src/commonMain/kotlin/space/kscience/visionforge/solid/SolidReference.kt

@@ -158,21 +158,28 @@ public fun SolidGroup.ref(
     name: String? = null,
 ): SolidReferenceGroup = SolidReferenceGroup(templateName).also { set(name, it) }
 
-/**
- * Add new [SolidReferenceGroup] wrapping given object and automatically adding it to the prototypes
- */
 public fun SolidGroup.ref(
-    name: String,
+    templateName: String,
+    name: String? = null,
+): SolidReferenceGroup = ref(Name.parse(templateName), name)
+
+/**
+ * Add new [SolidReferenceGroup] wrapping given object and automatically adding it to the prototypes.
+ * One must ensure that [prototypeHolder] is a parent of this group.
+ */
+public fun SolidGroup.newRef(
+    name: String?,
     obj: Solid,
-    templateName: Name = Name.parse(name),
+    prototypeHolder: PrototypeHolder = this,
+    templateName: Name = Name.parse(name ?: obj.toString()),
 ): SolidReferenceGroup {
     val existing = getPrototype(templateName)
     if (existing == null) {
-        prototypes {
+        prototypeHolder.prototypes {
-            this[templateName] = obj
+            set(templateName, obj)
         }
     } else if (existing != obj) {
         error("Can't add different prototype on top of existing one")
     }
-    return this@ref.ref(templateName, name)
+    return ref(templateName, name)
 }

visionforge-solid/src/commonMain/kotlin/space/kscience/visionforge/solid/Solids.kt

@@ -18,6 +18,7 @@ import kotlin.reflect.KClass
 
 public class Solids(meta: Meta) : VisionPlugin(meta) {
     override val tag: PluginTag get() = Companion.tag
+
     override val visionSerializersModule: SerializersModule get() = serializersModuleForSolids
 
     public companion object : PluginFactory<Solids> {

visionforge-solid/src/commonMain/kotlin/space/kscience/visionforge/solid/geometry.kt

@@ -5,7 +5,10 @@ import kotlinx.serialization.Serializable
 import kotlinx.serialization.descriptors.SerialDescriptor
 import kotlinx.serialization.encoding.Decoder
 import kotlinx.serialization.encoding.Encoder
-import space.kscience.dataforge.meta.*
+import space.kscience.dataforge.meta.Meta
+import space.kscience.dataforge.meta.MetaProvider
+import space.kscience.dataforge.meta.float
+import space.kscience.dataforge.meta.get
 import space.kscience.visionforge.solid.Solid.Companion.X_KEY
 import space.kscience.visionforge.solid.Solid.Companion.Y_KEY
 import space.kscience.visionforge.solid.Solid.Companion.Z_KEY
@@ -54,7 +57,7 @@ internal object Point3DSerializer : KSerializer<Point3D> {
     override val descriptor: SerialDescriptor = Point3DImpl.serializer().descriptor
 
 
-    override fun deserialize(decoder: Decoder): Point3D = decoder.decodeSerializableValue(Point3DImpl.serializer())
+    override fun deserialize(decoder: Decoder): MutablePoint3D = decoder.decodeSerializableValue(Point3DImpl.serializer())
 
     override fun serialize(encoder: Encoder, value: Point3D) {
         val impl: Point3DImpl = (value as? Point3DImpl) ?: Point3DImpl(value.x, value.y, value.z)

visionforge-solid/src/commonTest/kotlin/space/kscience/visionforge/solid/SerializationTest.kt

@@ -16,7 +16,7 @@ fun SolidGroup.refGroup(
     block: MutableVisionGroup.() -> Unit
 ): SolidReferenceGroup {
     val group = SolidGroup().apply(block)
-    return ref(name, group, templateName)
+    return newRef(name, group, templateName = templateName)
 }
 
 
@@ -42,7 +42,7 @@ class SerializationTest {
             z = -100
         }
         val group = SolidGroup {
-            ref("cube", cube)
+            newRef("cube", cube)
             refGroup("pg", Name.parse("pg.content")) {
                 sphere(50) {
                     x = -100

visionforge-solid/src/commonTest/kotlin/space/kscience/visionforge/solid/SolidReferenceTest.kt

@@ -14,7 +14,7 @@ class SolidReferenceTest {
         val theStyle by style {
             SolidMaterial.MATERIAL_COLOR_KEY put "red"
         }
-        ref("test", Box(100f,100f,100f).apply {
+        newRef("test", Box(100f,100f,100f).apply {
             color("blue")
             useStyle(theStyle)
         })

visionforge-threejs/build.gradle.kts

@@ -5,5 +5,5 @@ plugins {
 dependencies {
     api(project(":visionforge-solid"))
     implementation(npm("three", "0.130.1"))
-    implementation(npm("three-csg-ts", "3.1.6"))
+    implementation(npm("three-csg-ts", "3.1.9"))
 }

visionforge-threejs/src/main/kotlin/space/kscience/visionforge/solid/three/ThreeCanvas.kt

@@ -167,7 +167,7 @@ public class ThreeCanvas(
         }
 
         //Clipping planes
-        options.useProperty(Canvas3DOptions::clipping){clipping ->
+        options.useProperty(Canvas3DOptions::clipping) { clipping ->
             if (!clipping.meta.isEmpty()) {
                 renderer.localClippingEnabled = true
                 boundingBox?.let { boundingBox ->
@@ -192,7 +192,7 @@ public class ThreeCanvas(
             }
         }
 
-        options.useProperty(Canvas3DOptions::size){
+        options.useProperty(Canvas3DOptions::size) {
             canvas.style.apply {
                 minWidth = "${options.size.minWith.toInt()}px"
                 maxWidth = "${options.size.maxWith.toInt()}px"
@@ -273,18 +273,14 @@ public class ThreeCanvas(
             return
         }
         if (this is Mesh) {
-            if (highlight) {
+            val edges = getObjectByName(edgesName) ?: LineSegments(
-                val edges = LineSegments(
                 EdgesGeometry(geometry),
                 material
-                ).apply {
+            ).also {
-                    name = edgesName
+                it.name = edgesName
-                }
+                add(it)
-                add(edges)
-            } else {
-                val highlightEdges = children.find { it.name == edgesName }
-                highlightEdges?.let { remove(it) }
             }
+            edges.visible = highlight
         } else {
             children.filter { it.name != edgesName }.forEach {
                 it.toggleHighlight(highlight, edgesName, material)

visionforge-threejs/src/main/kotlin/space/kscience/visionforge/solid/three/ThreeCompositeFactory.kt

@@ -1,7 +1,6 @@
 package space.kscience.visionforge.solid.three
 
 import CSG
-import info.laht.threekt.core.Object3D
 import info.laht.threekt.objects.Mesh
 import space.kscience.dataforge.names.startsWith
 import space.kscience.visionforge.onPropertyChange
@@ -38,11 +37,11 @@ public class ThreeCompositeFactory(public val three: ThreePlugin) : ThreeFactory
 
     override val type: KClass<in Composite> get() = Composite::class
 
-    override fun invoke(three: ThreePlugin, obj: Composite): Object3D {
+    override fun invoke(three: ThreePlugin, obj: Composite): Mesh {
         val first = three.buildObject3D(obj.first) as? Mesh ?: error("First part of composite is not a mesh")
         val second = three.buildObject3D(obj.second) as? Mesh ?: error("Second part of composite is not a mesh")
         return when (obj.compositeType) {
-            CompositeType.SUM, CompositeType.UNION -> CSG.union(first, second)
+            CompositeType.GROUP, CompositeType.UNION -> CSG.union(first, second)
             CompositeType.INTERSECT -> CSG.intersect(first, second)
             CompositeType.SUBTRACT -> CSG.subtract(first, second)
         }.apply {