Serialization complete. Fixed tube geometry

build.gradle.kts

@@ -1,4 +1,4 @@
-val dataforgeVersion by extra("0.1.3-dev-10")
+val dataforgeVersion by extra("0.1.3")
 
 plugins{
     val kotlinVersion = "1.3.50-eap-5"

dataforge-vis-common/build.gradle.kts

@@ -18,6 +18,7 @@ kotlin {
         val jsMain by getting {
             dependencies {
                 api("hep.dataforge:dataforge-output-html:$dataforgeVersion")
+                api(npm("text-encoding"))
             }
         }
     }

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

@@ -1,17 +1,20 @@
 package hep.dataforge.vis.common
 
+import hep.dataforge.meta.Config
 import hep.dataforge.meta.MetaBuilder
 import hep.dataforge.meta.MetaItem
 import hep.dataforge.names.Name
-import hep.dataforge.names.get
+import hep.dataforge.names.toName
 import hep.dataforge.provider.Provider
 import kotlinx.serialization.Transient
 import kotlin.collections.set
 
 open class VisualGroup<T : VisualObject> : AbstractVisualObject(), Iterable<T>, Provider {
 
-    protected val namedChildren = HashMap<Name, T>()
+    protected open val namedChildren: MutableMap<Name, T> = HashMap()
-    protected val unnamedChildren = ArrayList<T>()
+    protected open val unnamedChildren: MutableList<T> = ArrayList()
+
+    override var properties: Config? = null
 
     override val defaultTarget: String get() = VisualObject.TYPE
 
@@ -51,7 +54,13 @@ open class VisualGroup<T : VisualObject> : AbstractVisualObject(), Iterable<T>,
         listeners.removeAll { it.owner === owner }
     }
 
-    operator fun set(name: Name, child: T?) {
+    /**
+     * 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.
+     */
+    operator fun set(name: Name?, child: T?) {
+        when {
+            name != null -> {
                 if (child == null) {
                     namedChildren.remove(name)
                 } else {
@@ -64,14 +73,6 @@ open class VisualGroup<T : VisualObject> : AbstractVisualObject(), Iterable<T>,
                 }
                 listeners.forEach { it.callback(name, child) }
             }
-
-    /**
-     * 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.
-     */
-    operator fun set(name: Name?, child: T?) {
-        when {
-            name != null -> set(name, child)
             child != null -> add(child)
             else -> error("Both key and child element are empty")
         }
@@ -87,7 +88,7 @@ open class VisualGroup<T : VisualObject> : AbstractVisualObject(), Iterable<T>,
     /**
      * Get named child by string
      */
-    operator fun get(key: String): T? = namedChildren.get(key)
+    operator fun get(key: String): T? = namedChildren[key.toName()]
 
     /**
      * Get an unnamed child

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

@@ -1,26 +0,0 @@
-package hep.dataforge.vis.common
-
-import hep.dataforge.meta.*
-import hep.dataforge.names.Name
-
-/**
- * Basic [VisualObject] leaf element
- */
-open class VisualLeaf(meta: Meta = EmptyMeta) : AbstractVisualObject(), Configurable {
-
-    val properties = Styled(meta)
-
-    override val config: Config = properties.style
-
-    override fun setProperty(name: Name, value: Any?) {
-        config[name] = value
-    }
-
-    override fun getProperty(name: Name, inherit: Boolean): MetaItem<*>? {
-        return if (inherit) {
-            properties[name] ?: parent?.getProperty(name, inherit)
-        } else {
-            properties[name]
-        }
-    }
-}

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

@@ -1,12 +1,9 @@
 package hep.dataforge.vis.common
 
-import hep.dataforge.io.ConfigSerializer
 import hep.dataforge.meta.*
 import hep.dataforge.names.Name
 import hep.dataforge.provider.Type
 import hep.dataforge.vis.common.VisualObject.Companion.TYPE
-import kotlinx.serialization.SerialName
-import kotlinx.serialization.Serializable
 import kotlinx.serialization.Transient
 
 private fun Laminate.withTop(meta: Meta): Laminate = Laminate(listOf(meta) + layers)
@@ -18,8 +15,6 @@ private fun Laminate.withBottom(meta: Meta): Laminate = Laminate(layers + meta)
 @Type(TYPE)
 interface VisualObject : MetaRepr, Configurable {
 
-    val type: String get() = this::class.simpleName ?: TYPE
-
     /**
      * The parent object of this one. If null, this one is a root.
      */
@@ -64,7 +59,9 @@ internal data class MetaListener(
     val action: (name: Name, oldItem: MetaItem<*>?, newItem: MetaItem<*>?) -> Unit
 )
 
-abstract class AbstractVisualObject : VisualObject {
+abstract class AbstractVisualObject: VisualObject {
+
+    @Transient
     override var parent: VisualObject? = null
 
     @Transient
@@ -84,12 +81,10 @@ abstract class AbstractVisualObject : VisualObject {
         listeners.removeAll { it.owner == owner }
     }
 
-    @Serializable(ConfigSerializer::class)
+    abstract var properties: Config?
-    @SerialName("properties")
-    private var _config: Config? = null
     override val config: Config
-        get() = _config ?: Config().also { config ->
+        get() = properties ?: Config().also { config ->
-            _config = config
+            properties = config
             config.onChange(this, ::propertyChanged)
         }
 
@@ -99,19 +94,17 @@ abstract class AbstractVisualObject : VisualObject {
 
     override fun getProperty(name: Name, inherit: Boolean): MetaItem<*>? {
         return if (inherit) {
-            _config?.get(name) ?: parent?.getProperty(name, inherit)
+            properties?.get(name) ?: parent?.getProperty(name, inherit)
         } else {
-            _config?.get(name)
+            properties?.get(name)
         }
     }
 
     protected open fun MetaBuilder.updateMeta() {}
 
     override fun toMeta(): Meta = buildMeta {
-        "type" to type
+        "type" to this::class.simpleName
-        "properties" to config
+        "properties" to properties
         updateMeta()
     }
 }
-
-

dataforge-vis-spatial-gdml/src/jvmMain/kotlin/hep/dataforge/vis/spatial/gdml/testCoil.kt

@@ -0,0 +1,26 @@
+package hep.dataforge.vis.spatial.gdml
+
+import hep.dataforge.vis.spatial.Visual3DPlugin
+import hep.dataforge.vis.spatial.VisualGroup3D
+import nl.adaptivity.xmlutil.StAXReader
+import scientifik.gdml.GDML
+import java.io.File
+
+
+fun main() {
+    val file = File("D:\\Work\\Projects\\gdml.kt\\gdml-source\\BM@N_coil.gdml")
+
+    val xmlReader = StAXReader(file.inputStream(), "UTF-8")
+    val xml = GDML.format.parse(GDML.serializer(), xmlReader)
+    val visual = xml.toVisual {
+        lUnit = LUnit.CM
+    }
+
+    //val meta = visual.toMeta()
+
+    val str = Visual3DPlugin.json.stringify(VisualGroup3D.serializer(), visual)
+
+    println(str)
+
+    //println(Json.indented.stringify(meta.toJson()))
+}

dataforge-vis-spatial/build.gradle.kts

@@ -29,7 +29,7 @@ kotlin {
             dependencies {
                 api("info.laht.threekt:threejs-wrapper:0.106-npm-3")
                 implementation(npm("three", "0.106.2"))
-                implementation(npm("@hi-level/three-csg"))
+                implementation(npm("@hi-level/three-csg", "1.0.6"))
                 implementation(npm("style-loader"))
                 implementation(npm("element-resize-event"))
             }

dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/Box.kt

@@ -1,19 +1,29 @@
+@file:UseSerializers(Point3DSerializer::class)
 package hep.dataforge.vis.spatial
 
 import hep.dataforge.context.Context
-import hep.dataforge.meta.Meta
+import hep.dataforge.io.ConfigSerializer
-import hep.dataforge.meta.MetaBuilder
+import hep.dataforge.meta.*
-import hep.dataforge.meta.float
+import hep.dataforge.vis.common.AbstractVisualObject
-import hep.dataforge.meta.get
 import hep.dataforge.vis.common.VisualFactory
 import hep.dataforge.vis.common.VisualObject
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.UseSerializers
 import kotlin.reflect.KClass
 
+@Serializable
 data class Box(
     val xSize: Float,
     val ySize: Float,
     val zSize: Float
-) : VisualLeaf3D(), Shape {
+) : AbstractVisualObject(), VisualObject3D, Shape {
+
+    override var position: Point3D? = null
+    override var rotation: Point3D? = null
+    override var scale: Point3D? = null
+
+    @Serializable(ConfigSerializer::class)
+    override var properties: Config? = null
 
     //TODO add helper for color configuration
     override fun <T : Any> toGeometry(geometryBuilder: GeometryBuilder<T>) {
@@ -40,8 +50,13 @@ data class Box(
         "xSize" to xSize
         "ySize" to ySize
         "zSize" to ySize
+        updatePosition()
     }
 
+//    override fun toMeta(): Meta {
+//        return (Visual3DPlugin.json.toJson(Box.serializer(), this) as JsonObject).toMeta()
+//    }
+
     companion object : VisualFactory<Box> {
         const val TYPE = "geometry.3d.box"
 

dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/Composite.kt

@@ -1,7 +1,13 @@
+@file:UseSerializers(Point3DSerializer::class)
 package hep.dataforge.vis.spatial
 
-import hep.dataforge.meta.isEmpty
+import hep.dataforge.io.ConfigSerializer
+import hep.dataforge.meta.Config
+import hep.dataforge.meta.MetaBuilder
 import hep.dataforge.meta.update
+import hep.dataforge.vis.common.AbstractVisualObject
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.UseSerializers
 
 enum class CompositeType {
     UNION,
@@ -9,11 +15,27 @@ enum class CompositeType {
     SUBTRACT
 }
 
-open class Composite(
+@Serializable
+class Composite(
+    val compositeType: CompositeType,
     val first: VisualObject3D,
-    val second: VisualObject3D,
+    val second: VisualObject3D
-    val compositeType: CompositeType = CompositeType.UNION
+) : AbstractVisualObject(), VisualObject3D {
-) : VisualLeaf3D()
+
+    override var position: Point3D? = null
+    override var rotation: Point3D? = null
+    override var scale: Point3D? = null
+
+    @Serializable(ConfigSerializer::class)
+    override var properties: Config? = null
+
+    override fun MetaBuilder.updateMeta() {
+        "compositeType" to compositeType
+        "first" to first.toMeta()
+        "second" to second.toMeta()
+        updatePosition()
+    }
+}
 
 inline fun VisualGroup3D.composite(
     type: CompositeType,
@@ -23,14 +45,14 @@ inline fun VisualGroup3D.composite(
     val group = VisualGroup3D().apply(builder)
     val children = group.filterIsInstance<VisualObject3D>()
     if (children.size != 2) error("Composite requires exactly two children")
-    return Composite(children[0], children[1], type).also {
+    return Composite(type, children[0], children[1]).also {
-        if (!group.config.isEmpty()) {
+        if (group.properties != null) {
             it.config.update(group.config)
+            it.material = group.material
         }
         it.position = group.position
         it.rotation = group.rotation
         it.scale = group.scale
-        it.material = group.material
         set(name, it)
     }
 }

dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/ConeSegment.kt

@@ -0,0 +1,40 @@
+@file:UseSerializers(Point3DSerializer::class)
+
+package hep.dataforge.vis.spatial
+
+import hep.dataforge.io.ConfigSerializer
+import hep.dataforge.meta.Config
+import hep.dataforge.vis.common.AbstractVisualObject
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.UseSerializers
+
+/**
+ * A cylinder or cut cone segment
+ */
+@Serializable
+class ConeSegment(
+    var radius: Float,
+    var height: Float,
+    var upperRadius: Float,
+    var startAngle: Float = 0f,
+    var angle: Float = PI2
+) : AbstractVisualObject(), VisualObject3D {
+
+    @Serializable(ConfigSerializer::class)
+    override var properties: Config? = null
+
+    override var position: Point3D? = null
+    override var rotation: Point3D? = null
+    override var scale: Point3D? = null
+}
+
+inline fun VisualGroup3D.cylinder(
+    r: Number,
+    height: Number,
+    name: String? = null,
+    block: ConeSegment.() -> Unit = {}
+): ConeSegment = ConeSegment(
+    r.toFloat(),
+    height.toFloat(),
+    r.toFloat()
+).apply(block).also { set(name, it) }

dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/Convex.kt

@@ -1,15 +1,29 @@
+@file:UseSerializers(Point3DSerializer::class)
+
 package hep.dataforge.vis.spatial
 
+import hep.dataforge.io.ConfigSerializer
+import hep.dataforge.meta.Config
 import hep.dataforge.meta.MetaBuilder
+import hep.dataforge.vis.common.AbstractVisualObject
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.UseSerializers
 
-class Convex(
+@Serializable
-    val points: List<Point3D>
+class Convex(val points: List<Point3D>) : AbstractVisualObject(), VisualObject3D {
-) : VisualLeaf3D() {
+
+    @Serializable(ConfigSerializer::class)
+    override var properties: Config? = null
+
+    override var position: Point3D? = null
+    override var rotation: Point3D? = null
+    override var scale: Point3D? = null
 
     override fun MetaBuilder.updateMeta() {
         "points" to {
-            "point" to points.map{it.toMeta()}
+            "point" to points.map { it.toMeta() }
         }
+        updatePosition()
     }
 
     companion object {

dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/Cylinder.kt

@@ -1,22 +0,0 @@
-package hep.dataforge.vis.spatial
-
-/**
- * A cylinder or cut cone segment
- */
-class Cylinder(
-    var radius: Float,
-    var height: Float,
-    var upperRadius: Float = radius,
-    var startAngle: Float = 0f,
-    var angle: Float = PI2
-) : VisualLeaf3D()
-
-inline fun VisualGroup3D.cylinder(
-    r: Number,
-    height: Number,
-    name: String? = null,
-    block: Cylinder.() -> Unit = {}
-): Cylinder = Cylinder(
-    r.toFloat(),
-    height.toFloat()
-).apply(block).also { set(name, it) }

dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/Extruded.kt

@@ -1,5 +1,11 @@
+@file:UseSerializers(Point2DSerializer::class, Point3DSerializer::class)
 package hep.dataforge.vis.spatial
 
+import hep.dataforge.io.ConfigSerializer
+import hep.dataforge.meta.Config
+import hep.dataforge.vis.common.AbstractVisualObject
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.UseSerializers
 import kotlin.math.PI
 import kotlin.math.cos
 import kotlin.math.sin
@@ -7,16 +13,16 @@ import kotlin.math.sin
 
 typealias Shape2D = List<Point2D>
 
-class Shape2DBuilder {
+@Serializable
-    private val list = ArrayList<Point2D>()
+class Shape2DBuilder(private val points: MutableList<Point2D> = ArrayList()) {
 
     fun point(x: Number, y: Number) {
-        list.add(Point2D(x, y))
+        points.add(Point2D(x, y))
     }
 
     infix fun Number.to(y: Number) = point(this, y)
 
-    fun build(): Shape2D = list
+    fun build(): Shape2D = points
 }
 
 fun Shape2DBuilder.polygon(vertices: Int, radius: Number) {
@@ -27,19 +33,27 @@ fun Shape2DBuilder.polygon(vertices: Int, radius: Number) {
     }
 }
 
+@Serializable
 data class Layer(var x: Float, var y: Float, var z: Float, var scale: Float)
 
-class Extruded : VisualLeaf3D(), Shape {
+@Serializable
+class Extruded(
+    var shape: List<Point2D> = ArrayList(),
+    var layers: MutableList<Layer> = ArrayList()
+) : AbstractVisualObject(), VisualObject3D, Shape {
 
-    var shape: List<Point2D> = ArrayList()
+    @Serializable(ConfigSerializer::class)
+    override var properties: Config? = null
+
+    override var position: Point3D? = null
+    override var rotation: Point3D? = null
+    override var scale: Point3D? = null
 
     fun shape(block: Shape2DBuilder.() -> Unit) {
         this.shape = Shape2DBuilder().apply(block).build()
         //TODO send invalidation signal
     }
 
-    val layers: MutableList<Layer> = ArrayList()
-
     fun layer(z: Number, x: Number = 0.0, y: Number = 0.0, scale: Number = 1.0) {
         layers.add(Layer(x.toFloat(), y.toFloat(), z.toFloat(), scale.toFloat()))
         //TODO send invalidation signal

dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/Proxy.kt

@@ -1,25 +1,37 @@
+@file:UseSerializers(Point3DSerializer::class, NameSerializer::class)
+
 package hep.dataforge.vis.spatial
 
+import hep.dataforge.io.ConfigSerializer
+import hep.dataforge.io.NameSerializer
+import hep.dataforge.meta.Config
 import hep.dataforge.meta.MetaBuilder
 import hep.dataforge.meta.MetaItem
 import hep.dataforge.names.Name
 import hep.dataforge.vis.common.AbstractVisualObject
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.UseSerializers
 
 /**
  * A proxy [VisualObject3D] to reuse a template object
  */
+@Serializable
 class Proxy(val templateName: Name) : AbstractVisualObject(), VisualObject3D {
+
     override var position: Point3D? = null
     override var rotation: Point3D? = null
     override var scale: Point3D? = null
 
+    @Serializable(ConfigSerializer::class)
+    override var properties: Config? = null
+
     /**
      * Recursively search for defined template in the parent
      */
-    val template by lazy {
+    val template: VisualObject3D
-        (parent as? VisualGroup3D)?.getTemplate(templateName)
+        get() = (parent as? VisualGroup3D)?.getTemplate(templateName)
             ?: error("Template with name $templateName not found in $parent")
-    }
+
 
     override fun getProperty(name: Name, inherit: Boolean): MetaItem<*>? {
         return if (inherit) {

dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/Sphere.kt

@@ -1,14 +1,30 @@
+@file:UseSerializers(Point3DSerializer::class)
+
 package hep.dataforge.vis.spatial
 
+import hep.dataforge.io.ConfigSerializer
+import hep.dataforge.meta.Config
+import hep.dataforge.vis.common.AbstractVisualObject
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.UseSerializers
 import kotlin.math.PI
 
+@Serializable
 class Sphere(
     var radius: Float,
     var phiStart: Float = 0f,
     var phi: Float = PI2,
     var thetaStart: Float = 0f,
     var theta: Float = PI.toFloat()
-) : VisualLeaf3D()
+) : AbstractVisualObject(), VisualObject3D {
+
+    @Serializable(ConfigSerializer::class)
+    override var properties: Config? = null
+
+    override var position: Point3D? = null
+    override var rotation: Point3D? = null
+    override var scale: Point3D? = null
+}
 
 inline fun VisualGroup3D.sphere(
     radius: Number,

dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/Tube.kt

@@ -1,5 +1,11 @@
+@file:UseSerializers(Point3DSerializer::class)
 package hep.dataforge.vis.spatial
 
+import hep.dataforge.io.ConfigSerializer
+import hep.dataforge.meta.Config
+import hep.dataforge.vis.common.AbstractVisualObject
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.UseSerializers
 import kotlin.math.PI
 import kotlin.math.cos
 import kotlin.math.sin
@@ -7,13 +13,21 @@ import kotlin.math.sin
 /**
  * Straight tube segment
  */
+@Serializable
 class Tube(
     var radius: Float,
     var height: Float,
     var innerRadius: Float = 0f,
     var startAngle: Float = 0f,
     var angle: Float = PI2
-) : VisualLeaf3D(), Shape {
+) : AbstractVisualObject(), VisualObject3D, Shape {
+
+    override var position: Point3D? = null
+    override var rotation: Point3D? = null
+    override var scale: Point3D? = null
+
+    @Serializable(ConfigSerializer::class)
+    override var properties: Config? = null
 
     init {
         require(radius > 0)
@@ -37,8 +51,8 @@ class Tube(
         geometryBuilder.apply {
 
             //creating shape in x-y plane with z = 0
-            val bottomOuterPoints = shape(radius, 0f)
+            val bottomOuterPoints = shape(radius, -height/2)
-            val upperOuterPoints = shape(radius, height)
+            val upperOuterPoints = shape(radius, height/2)
             //outer face
             (1 until segments).forEach {
                 face4(bottomOuterPoints[it - 1], bottomOuterPoints[it], upperOuterPoints[it], upperOuterPoints[it - 1])
@@ -62,8 +76,8 @@ class Tube(
                     face4(zeroTop, zeroBottom, bottomOuterPoints.last(), upperOuterPoints.last())
                 }
             } else {
-                val bottomInnerPoints = shape(innerRadius, 0f)
+                val bottomInnerPoints = shape(innerRadius, -height/2)
-                val upperInnerPoints = shape(innerRadius, height)
+                val upperInnerPoints = shape(innerRadius, height/2)
                 //outer face
                 (1 until segments).forEach {
                     // inner surface
@@ -97,9 +111,14 @@ class Tube(
                         bottomOuterPoints.last()
                     )
                     face4(upperInnerPoints[0], upperInnerPoints.last(), upperOuterPoints.last(), upperOuterPoints[0])
-                } else{
+                } else {
-                    face4(bottomInnerPoints[0],bottomOuterPoints[0],upperOuterPoints[0],upperInnerPoints[0])
+                    face4(bottomInnerPoints[0], bottomOuterPoints[0], upperOuterPoints[0], upperInnerPoints[0])
-                    face4(bottomOuterPoints.last(),bottomInnerPoints.last(),upperInnerPoints.last(),upperOuterPoints.last())
+                    face4(
+                        bottomOuterPoints.last(),
+                        bottomInnerPoints.last(),
+                        upperInnerPoints.last(),
+                        upperOuterPoints.last()
+                    )
                 }
             }
         }

dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/Visual3DPlugin.kt

@@ -6,6 +6,9 @@ import hep.dataforge.context.PluginTag
 import hep.dataforge.meta.*
 import hep.dataforge.names.Name
 import hep.dataforge.vis.common.VisualPlugin
+import kotlinx.serialization.json.Json
+import kotlinx.serialization.json.JsonConfiguration
+import kotlinx.serialization.modules.SerializersModule
 import kotlin.reflect.KClass
 
 class Visual3DPlugin(meta: Meta) : AbstractPlugin(meta) {
@@ -23,6 +26,26 @@ class Visual3DPlugin(meta: Meta) : AbstractPlugin(meta) {
         override val tag: PluginTag = PluginTag(name = "visual.spatial", group = PluginTag.DATAFORGE_GROUP)
         override val type: KClass<out Visual3DPlugin> = Visual3DPlugin::class
         override fun invoke(meta: Meta): Visual3DPlugin = Visual3DPlugin(meta)
+
+        val serialModule = SerializersModule {
+            polymorphic(VisualObject3D::class) {
+                VisualGroup3D::class with VisualGroup3D.serializer()
+                Proxy::class with Proxy.serializer()
+                Composite::class with Composite.serializer()
+                Tube::class with Tube.serializer()
+                Box::class with Box.serializer()
+                Convex::class with Convex.serializer()
+            }
+        }
+
+        val json = Json(
+            JsonConfiguration(
+                prettyPrint = true,
+                useArrayPolymorphism = false,
+                encodeDefaults = false
+            ),
+            context = serialModule
+        )
     }
 }
 

dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/VisualObject3D.kt

@@ -1,16 +1,21 @@
+@file:UseSerializers(Point3DSerializer::class, NameSerializer::class)
+
 package hep.dataforge.vis.spatial
 
+import hep.dataforge.io.ConfigSerializer
+import hep.dataforge.io.NameSerializer
 import hep.dataforge.meta.*
 import hep.dataforge.names.Name
 import hep.dataforge.names.plus
 import hep.dataforge.output.Output
-import hep.dataforge.vis.common.AbstractVisualObject
 import hep.dataforge.vis.common.VisualGroup
 import hep.dataforge.vis.common.VisualObject
 import hep.dataforge.vis.common.asName
 import hep.dataforge.vis.spatial.VisualObject3D.Companion.DETAIL_KEY
 import hep.dataforge.vis.spatial.VisualObject3D.Companion.MATERIAL_KEY
 import hep.dataforge.vis.spatial.VisualObject3D.Companion.VISIBLE_KEY
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.UseSerializers
 
 interface VisualObject3D : VisualObject {
     var position: Point3D?
@@ -60,18 +65,8 @@ interface VisualObject3D : VisualObject {
     }
 }
 
-abstract class VisualLeaf3D : AbstractVisualObject(), VisualObject3D, Configurable {
+@Serializable
-    override var position: Point3D? = null
-    override var rotation: Point3D? = null
-    override var scale: Point3D? = null
-}
-
 class VisualGroup3D : VisualGroup<VisualObject3D>(), VisualObject3D, Configurable {
-
-    override var position: Point3D? = null
-    override var rotation: Point3D? = null
-    override var scale: Point3D? = null
-
     /**
      * A container for templates visible inside this group
      */
@@ -81,12 +76,27 @@ class VisualGroup3D : VisualGroup<VisualObject3D>(), VisualObject3D, Configurabl
             field = value
         }
 
+    @Serializable(ConfigSerializer::class)
+    override var properties: Config? = null
+
+    override var position: Point3D? = null
+    override var rotation: Point3D? = null
+    override var scale: Point3D? = null
+
+    override val namedChildren: MutableMap<Name, VisualObject3D> = HashMap()
+    override val unnamedChildren: MutableList<VisualObject3D> = ArrayList()
+
     fun getTemplate(name: Name): VisualObject3D? = templates?.get(name) ?: (parent as? VisualGroup3D)?.getTemplate(name)
 
     override fun MetaBuilder.updateMeta() {
+        set(TEMPLATES_KEY, templates?.toMeta())
         updatePosition()
         updateChildren()
     }
+
+    companion object {
+        const val TEMPLATES_KEY = "templates"
+    }
 }
 
 fun VisualGroup3D.group(key: String? = null, action: VisualGroup3D.() -> Unit = {}): VisualGroup3D =
@@ -214,4 +224,3 @@ var VisualObject3D.scaleZ: Number
         scale().z = value.toDouble()
         propertyChanged(VisualObject3D.zScale)
     }
-

dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/serilization.kt

@@ -0,0 +1,41 @@
+package hep.dataforge.vis.spatial
+
+import kotlinx.serialization.*
+
+@Serializable
+private data class Point2DSerial(val x: Double, val y: Double)
+
+@Serializable
+private data class Point3DSerial(val x: Double, val y: Double, val z: Double)
+
+@Serializer(Point3D::class)
+object Point3DSerializer : KSerializer<Point3D> {
+    private val serializer = Point3DSerial.serializer()
+    override val descriptor: SerialDescriptor get() = serializer.descriptor
+
+    override fun deserialize(decoder: Decoder): Point3D {
+        return serializer.deserialize(decoder).let {
+            Point3D(it.x, it.y, it.z)
+        }
+    }
+
+    override fun serialize(encoder: Encoder, obj: Point3D) {
+        serializer.serialize(encoder, Point3DSerial(obj.x, obj.y, obj.z) )
+    }
+}
+
+@Serializer(Point2D::class)
+object Point2DSerializer : KSerializer<Point2D> {
+    private val serializer = Point2DSerial.serializer()
+    override val descriptor: SerialDescriptor get() = serializer.descriptor
+
+    override fun deserialize(decoder: Decoder): Point2D {
+        return serializer.deserialize(decoder).let {
+            Point2D(it.x, it.y)
+        }
+    }
+
+    override fun serialize(encoder: Encoder, obj: Point2D) {
+        serializer.serialize(encoder, Point2DSerial(obj.x, obj.y))
+    }
+}

dataforge-vis-spatial/src/commonTest/kotlin/hep/dataforge/vis/spatial/ConvexTest.kt

@@ -25,6 +25,8 @@ class ConvexTest {
 
         val convex = group.first() as Convex
 
+        val meta = convex.toMeta()
+
         val pointsNode = convex.toMeta()["points"].node
 
         assertEquals(8, pointsNode?.items?.count())

dataforge-vis-spatial/src/commonTest/kotlin/hep/dataforge/vis/spatial/SerializationTest.kt

@@ -1,13 +1,15 @@
 package hep.dataforge.vis.spatial
 
 import hep.dataforge.context.Global
+import kotlinx.serialization.ImplicitReflectionSerializer
 import kotlin.test.Test
 import kotlin.test.assertEquals
 
 class SerializationTest {
+    @ImplicitReflectionSerializer
     @Test
     fun testCubeSerialization(){
-        val cube = Box(null,100f,100f,100f).apply{
+        val cube = Box(100f,100f,100f).apply{
             color(222)
         }
         val meta = cube.toMeta()

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

@@ -3,7 +3,6 @@ package hep.dataforge.vis.spatial.three
 import hep.dataforge.vis.spatial.Composite
 import hep.dataforge.vis.spatial.CompositeType
 import info.laht.threekt.core.BufferGeometry
-import info.laht.threekt.core.Geometry
 import info.laht.threekt.objects.Mesh
 
 /**
@@ -23,9 +22,7 @@ class ThreeCompositeFactory(val three: ThreePlugin) : MeshThreeFactory<Composite
             CompositeType.INTERSECT -> firstCSG.intersect(secondCSG)
             CompositeType.SUBTRACT -> firstCSG.subtract(secondCSG)
         }
-
+        return resultCSG.toGeometry().toBufferGeometry()
-        val mesh = CSG.toMesh(resultCSG, second.matrix)
-        return (mesh.geometry as Geometry).toBufferGeometry()
     }
 
 }

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

@@ -1,14 +1,14 @@
 package hep.dataforge.vis.spatial.three
 
-import hep.dataforge.vis.spatial.Cylinder
+import hep.dataforge.vis.spatial.ConeSegment
 import hep.dataforge.vis.spatial.detail
 import info.laht.threekt.core.BufferGeometry
 import info.laht.threekt.geometries.CylinderBufferGeometry
 import kotlin.math.PI
 import kotlin.math.pow
 
-object ThreeCylinderFactory : MeshThreeFactory<Cylinder>(Cylinder::class) {
+object ThreeCylinderFactory : MeshThreeFactory<ConeSegment>(ConeSegment::class) {
-    override fun buildGeometry(obj: Cylinder): BufferGeometry {
+    override fun buildGeometry(obj: ConeSegment): BufferGeometry {
         val cylinder =  obj.detail?.let {
             val segments = it.toDouble().pow(0.5).toInt()
             CylinderBufferGeometry(

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

@@ -37,6 +37,12 @@ interface ThreeFactory<T : VisualObject3D> {
  */
 internal fun Object3D.updatePosition(obj: VisualObject3D) {
     visible = obj.visible ?: true
+//    Matrix4().apply {
+//        makeRotationFromEuler(obj.euler)
+//        applyMatrix(this)
+//        makeTranslation(obj.x.toDouble(), obj.y.toDouble(), obj.z.toDouble())
+//        applyMatrix(this)
+//    }
     position.set(obj.x, obj.y, obj.z)
     setRotationFromEuler(obj.euler)
     scale.set(obj.scaleX, obj.scaleY, obj.scaleZ)

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

@@ -27,7 +27,7 @@ class ThreePlugin : AbstractPlugin() {
         objectFactories[Box::class] = ThreeBoxFactory
         objectFactories[Convex::class] = ThreeConvexFactory
         objectFactories[Sphere::class] = ThreeSphereFactory
-        objectFactories[Cylinder::class] = ThreeCylinderFactory
+        objectFactories[ConeSegment::class] = ThreeCylinderFactory
     }
 
     private fun findObjectFactory(type: KClass<out VisualObject3D>): ThreeFactory<*>? {

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

@@ -13,10 +13,11 @@ package hep.dataforge.vis.spatial.three
 
 
 import info.laht.threekt.math.Matrix4
+import info.laht.threekt.math.Vector3
 import info.laht.threekt.objects.Mesh
 
 open external class CSG {
-    open var polygons: Any
+    open var polygons: Array<Polygon>
     open fun clone(): CSG
     open fun toPolygons(): Array<Polygon>
     open fun union(csg: CSG): CSG
@@ -40,8 +41,7 @@ open external class CSG {
     }
 }
 
-open external class Vector(x: Number, y: Number, z: Number) {
+open external class Vector(x: Number, y: Number, z: Number): Vector3 {
-    open fun clone(): Any
     open fun negated(): Vector
     open fun plus(a: Vector): Vector
     open fun minus(a: Vector): Vector

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

@@ -6,6 +6,7 @@ import hep.dataforge.meta.get
 import hep.dataforge.meta.node
 import hep.dataforge.vis.spatial.*
 import info.laht.threekt.core.BufferGeometry
+import info.laht.threekt.core.Face3
 import info.laht.threekt.core.Geometry
 import info.laht.threekt.core.Object3D
 import info.laht.threekt.math.Euler
@@ -26,3 +27,41 @@ val VisualObject3D.euler get() = Euler(rotationX, rotationY, rotationZ, rotation
 val MetaItem<*>.vector get() = Vector3(node["x"].float ?: 0f, node["y"].float ?: 0f, node["z"].float ?: 0f)
 
 fun Geometry.toBufferGeometry(): BufferGeometry = BufferGeometry().apply { fromGeometry(this@toBufferGeometry) }
+
+fun CSG.toGeometry(): Geometry {
+    val geom = Geometry()
+
+    val vertices = ArrayList<Vector3>()
+    val faces = ArrayList<Face3>()
+
+    for (polygon in polygons) {
+        val v0 = vertices.size
+        val pvs = polygon.vertices
+
+        for (pv in pvs) {
+            vertices.add(Vector3().copy(pv.pos))
+        }
+
+        for (j in 3..polygon.vertices.size) {
+            val fc = Face3(v0, v0 + j - 2, v0 + j - 1, zero)
+            fc.vertexNormals = arrayOf(
+                Vector3().copy(pvs[0].normal),
+                Vector3().copy(pvs[j - 2].normal),
+                Vector3().copy(pvs[j - 1].normal)
+            )
+
+            fc.normal = Vector3().copy(polygon.plane.normal)
+            faces.add(fc)
+        }
+    }
+    geom.vertices = vertices.toTypedArray()
+    geom.faces = faces.toTypedArray()
+//    val inv: Matrix4 = Matrix4().apply { getInverse(toMatrix) }
+//    geom.applyMatrix(toMatrix)
+    geom.verticesNeedUpdate = true
+    geom.elementsNeedUpdate = true
+    geom.normalsNeedUpdate = true
+    geom.computeBoundingSphere()
+    geom.computeBoundingBox()
+    return geom
+}

spatial-js-demo/src/main/kotlin/hep/dataforge/vis/spatial/demo/ThreeDemoGrid.kt

@@ -45,6 +45,7 @@ class ThreeDemoGrid(meta: Meta) : AbstractPlugin(meta), OutputManager {
         element.append(gridRoot)
     }
 
+    @Suppress("UNCHECKED_CAST")
     override fun <T : Any> get(type: KClass<out T>, name: Name, stage: Name, meta: Meta): Output<T> {
         val three = context.plugins.get<ThreePlugin>()!!