Fixed after migration to new Group structure

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

@@ -54,10 +54,24 @@ abstract class AbstractVisualGroup : AbstractVisualObject(), VisualGroup {
 //
 //    }
 
+    /**
+     * Remove a child with given name token
+     */
     protected abstract fun removeChild(token: NameToken)
 
+    /**
+     * Add, remove or replace child with given name
+     */
     protected abstract fun setChild(token: NameToken, child: VisualObject?)
 
+    /**
+     * Add a static child. Statics could not be found by name, removed or replaced
+     */
+    protected abstract fun addStatic(child: VisualObject)
+
+    /**
+     * Recursively create a child group
+     */
     protected abstract fun createGroup(name: Name): VisualGroup
 
     /**
@@ -66,17 +80,16 @@ abstract class AbstractVisualGroup : AbstractVisualObject(), VisualGroup {
      */
     override fun set(name: Name, child: VisualObject?) {
         when {
-            name.isEmpty() -> error("")
+            name.isEmpty() -> {
+                if (child != null) {
+                    addStatic(child)
+                }
+            }
             name.length == 1 -> {
                 val token = name.first()!!
                 if (child == null) {
                     removeChild(token)
                 } else {
-                    if (child.parent == null) {
-                        child.parent = this
-                    } else {
-                        error("Can't reassign existing parent for $child")
-                    }
                     setChild(token, child)
                 }
             }
@@ -89,7 +102,13 @@ abstract class AbstractVisualGroup : AbstractVisualObject(), VisualGroup {
         listeners.forEach { it.callback(name, child) }
     }
 
-    operator fun set(key: String, child: VisualObject?) = set(key.asName(), child)
+    operator fun set(key: String, child: VisualObject?) = if (key.isBlank()) {
+        child?.let { addStatic(child) }
+    } else {
+        set(key.asName(), child)
+    }
+
+    operator fun set(key: String?, child: VisualObject?) = set(key ?: "", child)
 
     protected fun MetaBuilder.updateChildren() {
         //adding named children

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

@@ -34,8 +34,7 @@ abstract class AbstractVisualObject : VisualObject {
     abstract var properties: Config?
     override val config: Config
         get() = properties ?: Config().also { config ->
-            properties = config
+            properties = config.apply { onChange(this, ::propertyChanged) }
-            config.onChange(this, ::propertyChanged)
         }
 
     override fun setProperty(name: Name, value: Any?) {

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

@@ -50,4 +50,4 @@ interface VisualGroup : VisualObject, Provider, Iterable<VisualObject> {
     operator fun set(name: Name, child: VisualObject?)
 }
 
-operator fun VisualGroup.get(str: String) = get(str.toName())
+operator fun VisualGroup.get(str: String?) = get(str?.toName() ?: EmptyName)

dataforge-vis-spatial-gdml/src/commonMain/kotlin/hep/dataforge/vis/spatial/gdml/visualGDML.kt

@@ -1,8 +1,10 @@
 package hep.dataforge.vis.spatial.gdml
 
 import hep.dataforge.meta.Meta
+import hep.dataforge.names.EmptyName
 import hep.dataforge.names.plus
 import hep.dataforge.vis.common.asName
+import hep.dataforge.vis.common.get
 import hep.dataforge.vis.spatial.*
 import scientifik.gdml.*
 import kotlin.math.cos
@@ -42,7 +44,7 @@ private inline operator fun Number.times(f: Float) = toFloat() * f
 private fun VisualGroup3D.addSolid(
     context: GDMLTransformer,
     solid: GDMLSolid,
-    name: String? = null,
+    name: String = "",
     block: VisualObject3D.() -> Unit = {}
 ): VisualObject3D {
     context.solidAdded(solid)
@@ -185,7 +187,8 @@ private fun VisualGroup3D.addDivisionVolume(
         ?: error("Volume with ref ${divisionVolume.volumeref.ref} could not be resolved")
 
     //TODO add divisions
-    add(
+    set(
+        EmptyName,
         volume(
             context,
             volume
@@ -217,7 +220,7 @@ private fun volume(
                     }
                 }
                 GDMLTransformer.Action.CACHE -> {
-                    if (context.templates[solid.name] == null) {
+                    if (context.templates.get(solid.name) == null) {
                         context.templates.addSolid(context, solid, solid.name) {
                             this.material = context.resolveColor(group, material, solid)
                         }

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

@@ -12,7 +12,7 @@ import kotlinx.serialization.UseSerializers
 import kotlin.reflect.KClass
 
 @Serializable
-data class Box(
+class Box(
     val xSize: Float,
     val ySize: Float,
     val zSize: Float

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

@@ -3,12 +3,16 @@ package hep.dataforge.vis.spatial
 import hep.dataforge.context.AbstractPlugin
 import hep.dataforge.context.PluginFactory
 import hep.dataforge.context.PluginTag
+import hep.dataforge.io.ConfigSerializer
+import hep.dataforge.io.MetaSerializer
+import hep.dataforge.io.NameSerializer
 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 kotlinx.serialization.modules.contextual
 import kotlin.reflect.KClass
 
 class Visual3DPlugin(meta: Meta) : AbstractPlugin(meta) {
@@ -28,6 +32,12 @@ class Visual3DPlugin(meta: Meta) : AbstractPlugin(meta) {
         override fun invoke(meta: Meta): Visual3DPlugin = Visual3DPlugin(meta)
 
         val serialModule = SerializersModule {
+            contextual(Point3DSerializer)
+            contextual(Point2DSerializer)
+            contextual(NameSerializer)
+            contextual(NameTokenSerializer)
+            contextual(MetaSerializer)
+            contextual(ConfigSerializer)
             polymorphic(VisualObject3D::class) {
                 VisualGroup3D::class with VisualGroup3D.serializer()
                 Proxy::class with Proxy.serializer()

dataforge-vis-spatial/src/commonMain/kotlin/hep/dataforge/vis/spatial/VisualGroup3D.kt

@@ -0,0 +1,92 @@
+@file:UseSerializers(Point3DSerializer::class, ConfigSerializer::class, NameTokenSerializer::class)
+package hep.dataforge.vis.spatial
+
+import hep.dataforge.io.ConfigSerializer
+import hep.dataforge.meta.Config
+import hep.dataforge.meta.Configurable
+import hep.dataforge.meta.MetaBuilder
+import hep.dataforge.meta.set
+import hep.dataforge.names.Name
+import hep.dataforge.names.NameToken
+import hep.dataforge.names.asName
+import hep.dataforge.names.isEmpty
+import hep.dataforge.vis.common.AbstractVisualGroup
+import hep.dataforge.vis.common.VisualObject
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.UseSerializers
+
+@Serializable
+class VisualGroup3D : AbstractVisualGroup(), VisualObject3D, Configurable {
+    /**
+     * A container for templates visible inside this group
+     */
+    var templates: VisualGroup3D? = null
+        set(value) {
+            value?.parent = this
+            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
+
+    private val _children = HashMap<NameToken, VisualObject>()
+    override val children: Map<NameToken, VisualObject> get() = _children
+
+    override fun removeChild(token: NameToken) {
+        _children.remove(token)
+    }
+
+    override fun setChild(token: NameToken, child: VisualObject?) {
+        if (child == null) {
+            _children.remove(token)
+        } else {
+            if (child.parent == null) {
+                child.parent = this
+            } else {
+                error("Can't reassign existing parent for $child")
+            }
+            _children[token] = child
+        }
+    }
+
+    /**
+     * TODO add special static group to hold statics without propagation
+     */
+    override fun addStatic(child: VisualObject) = setChild(NameToken(child.hashCode().toString()), child)
+
+    override fun createGroup(name: Name): VisualGroup3D {
+        return when {
+            name.isEmpty() -> error("Should be unreachable")
+            name.length == 1 -> {
+                val token = name.first()!!
+                when (val current = children[token]) {
+                    null -> VisualGroup3D().also { setChild(token, it) }
+                    is VisualGroup3D -> current
+                    else -> error("Can't create group with name $name because it exists and not a group")
+                }
+            }
+            else -> createGroup(name.first()!!.asName()).createGroup(name.cutFirst())
+        }
+    }
+
+    fun getTemplate(name: Name): VisualObject3D? =
+        templates?.get(name) as? VisualObject3D
+            ?: (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 = "", action: VisualGroup3D.() -> Unit = {}): VisualGroup3D =
+    VisualGroup3D().apply(action).also { set(key, it) }

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

@@ -2,18 +2,15 @@
 
 package hep.dataforge.vis.spatial
 
-import hep.dataforge.io.ConfigSerializer
 import hep.dataforge.io.NameSerializer
 import hep.dataforge.meta.*
-import hep.dataforge.names.*
+import hep.dataforge.names.plus
 import hep.dataforge.output.Output
-import hep.dataforge.vis.common.AbstractVisualGroup
 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 {
@@ -64,71 +61,6 @@ interface VisualObject3D : VisualObject {
     }
 }
 
-@Serializable
-class VisualGroup3D : AbstractVisualGroup(), VisualObject3D, Configurable {
-    /**
-     * A container for templates visible inside this group
-     */
-    var templates: VisualGroup3D? = null
-        set(value) {
-            value?.parent = this
-            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
-
-    private val _children = HashMap<NameToken, VisualObject>()
-    override val children: Map<NameToken, VisualObject> get() = _children
-
-    override fun removeChild(token: NameToken) {
-        _children.remove(token)
-    }
-
-    override fun setChild(token: NameToken, child: VisualObject?) {
-        if (child == null) {
-            _children.remove(token)
-        } else {
-            _children[token] = child
-        }
-    }
-
-    override fun createGroup(name: Name): VisualGroup3D {
-        return when{
-            name.isEmpty() -> error("Should be unreachable")
-            name.length == 1 -> {
-                val token = name.first()!!
-                when (val current = children[token]) {
-                    null -> VisualGroup3D().also { setChild(token, it) }
-                    is VisualGroup3D -> current
-                    else -> error("Can't create group with name $name because it exists and not a group")
-                }
-            }
-            else -> createGroup(name.first()!!.asName()).createGroup(name.cutFirst())
-        }
-    }
-
-    fun getTemplate(name: Name): VisualObject3D? =
-        templates?.get(name) as? VisualGroup3D ?: (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 = "", action: VisualGroup3D.() -> Unit = {}): VisualGroup3D =
-    VisualGroup3D().apply(action).also { set(key, it) }
-
 fun Output<VisualObject3D>.render(meta: Meta = EmptyMeta, action: VisualGroup3D.() -> Unit) =
     render(VisualGroup3D().apply(action), meta)
 

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

@@ -1,7 +1,9 @@
 package hep.dataforge.vis.spatial
 
 import hep.dataforge.names.NameToken
+import hep.dataforge.names.toName
 import kotlinx.serialization.*
+import kotlinx.serialization.internal.StringDescriptor
 
 @Serializable
 private data class Point2DSerial(val x: Double, val y: Double)
@@ -10,7 +12,7 @@ private data class Point2DSerial(val x: Double, val y: Double)
 private data class Point3DSerial(val x: Double, val y: Double, val z: Double)
 
 @Serializer(Point3D::class)
-object Point3DSerializer : KSerializer<Point3D>{
+object Point3DSerializer : KSerializer<Point3D> {
     private val serializer = Point3DSerial.serializer()
     override val descriptor: SerialDescriptor get() = serializer.descriptor
 
@@ -26,7 +28,7 @@ object Point3DSerializer : KSerializer<Point3D>{
 }
 
 @Serializer(Point2D::class)
-object Point2DSerializer : KSerializer<Point2D>{
+object Point2DSerializer : KSerializer<Point2D> {
     private val serializer = Point2DSerial.serializer()
     override val descriptor: SerialDescriptor get() = serializer.descriptor
 
@@ -42,4 +44,14 @@ object Point2DSerializer : KSerializer<Point2D>{
 }
 
 @Serializer(NameToken::class)
-object NameTokenSerializer : KSerializer<NameToken>
+object NameTokenSerializer : KSerializer<NameToken> {
+    override val descriptor: SerialDescriptor = StringDescriptor.withName("NameToken")
+
+    override fun deserialize(decoder: Decoder): NameToken {
+        return decoder.decodeString().toName().first()!!
+    }
+
+    override fun serialize(encoder: Encoder, obj: NameToken) {
+        encoder.encodeString(obj.toString())
+    }
+}

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

@@ -56,7 +56,7 @@ fun Meta?.jsMaterial(): Material {
                 opacity = get("opacity")?.double ?: 1.0
                 transparent = get("transparent").boolean ?: (opacity < 1.0)
                 //node["specularColor"]?.let { specular = it.color() }
-                side = 2
+                //side = 2
             }
         }
 }

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

@@ -90,7 +90,7 @@ abstract class MeshThreeFactory<T : VisualObject3D>(override val type: KClass<ou
 
     override fun invoke(obj: T): Mesh {
         //create mesh from geometry
-        return buildMesh<T>(obj) { buildGeometry(it) }
+        return buildMesh(obj) { buildGeometry(it) }
     }
 
     companion object {

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

@@ -5,6 +5,9 @@ import hep.dataforge.context.PluginFactory
 import hep.dataforge.context.PluginTag
 import hep.dataforge.context.content
 import hep.dataforge.meta.*
+import hep.dataforge.names.Name
+import hep.dataforge.names.asName
+import hep.dataforge.names.isEmpty
 import hep.dataforge.vis.spatial.*
 import info.laht.threekt.cameras.Camera
 import info.laht.threekt.cameras.PerspectiveCamera
@@ -46,7 +49,7 @@ class ThreePlugin : AbstractPlugin() {
                             object3D.name = name.toString()
                             group.add(object3D)
                         } catch (ex: Throwable) {
-                            console.error(ex)
+//                            console.error(ex)
                             logger.error(ex) { "Failed to render $name" }
                         }
                     }
@@ -97,4 +100,12 @@ class ThreePlugin : AbstractPlugin() {
         override val type = ThreePlugin::class
         override fun invoke(meta: Meta) = ThreePlugin()
     }
+}
+
+fun Object3D.findChild(name: Name): Object3D? {
+    return when {
+        name.isEmpty() -> this
+        name.length == 1 -> this.children.find { it.name == name.first()!!.toString() }
+        else -> findChild(name.first()!!.asName())?.findChild(name.cutFirst())
+    }
 }