diff --git a/demo/gdml/src/jsMain/kotlin/hep/dataforge/vision/gdml/demo/GDMLAppComponent.kt b/demo/gdml/src/jsMain/kotlin/hep/dataforge/vision/gdml/demo/GDMLAppComponent.kt
index f2c4864c..3df7d3ca 100644
--- a/demo/gdml/src/jsMain/kotlin/hep/dataforge/vision/gdml/demo/GDMLAppComponent.kt
+++ b/demo/gdml/src/jsMain/kotlin/hep/dataforge/vision/gdml/demo/GDMLAppComponent.kt
@@ -1,6 +1,7 @@
 package hep.dataforge.vision.gdml.demo
 
 import hep.dataforge.context.Context
+import hep.dataforge.meta.invoke
 import hep.dataforge.names.Name
 import hep.dataforge.vision.Vision
 import hep.dataforge.vision.bootstrap.card
@@ -12,6 +13,7 @@ import hep.dataforge.vision.react.flexColumn
 import hep.dataforge.vision.react.flexRow
 import hep.dataforge.vision.solid.Solid
 import hep.dataforge.vision.solid.SolidManager
+import hep.dataforge.vision.solid.specifications.Canvas3DOptions
 import hep.dataforge.vision.solid.three.ThreeCanvas
 import kotlinx.browser.window
 import kotlinx.css.*
@@ -104,7 +106,9 @@ val GDMLApp = functionalComponent<GDMLAppProps>("GDMLApp") { props ->
                             this.context = props.context
                             this.obj = vision as? Solid
                             this.selected = selected
-                            this.clickCallback = onSelect
+                            this.options = Canvas3DOptions.invoke{
+                                this.onSelect = onSelect
+                            }
                             this.canvasCallback = {
                                 canvas = it
                             }
diff --git a/demo/gdml/src/jvmMain/kotlin/hep/dataforge/vision/gdml/demo/GdmlFxDemoApp.kt b/demo/gdml/src/jvmMain/kotlin/hep/dataforge/vision/gdml/demo/GdmlFxDemoApp.kt
index 0ccf3c70..de6968a7 100644
--- a/demo/gdml/src/jvmMain/kotlin/hep/dataforge/vision/gdml/demo/GdmlFxDemoApp.kt
+++ b/demo/gdml/src/jvmMain/kotlin/hep/dataforge/vision/gdml/demo/GdmlFxDemoApp.kt
@@ -1,12 +1,11 @@
 package hep.dataforge.vision.gdml.demo
 
 import hep.dataforge.context.Global
+import hep.dataforge.vision.VisionManager
 import hep.dataforge.vision.editor.VisualObjectEditorFragment
 import hep.dataforge.vision.editor.VisualObjectTreeFragment
 import hep.dataforge.vision.gdml.toVision
-import hep.dataforge.vision.VisionManager
 import hep.dataforge.vision.solid.Solid
-import hep.dataforge.vision.solid.SolidManager
 import hep.dataforge.vision.solid.SolidMaterial
 import hep.dataforge.vision.solid.fx.FX3DPlugin
 import hep.dataforge.vision.solid.fx.FXCanvas3D
@@ -27,7 +26,7 @@ class GDMLView : View() {
     }
 
     private val propertyEditor = VisualObjectEditorFragment {
-        it.getAllProperties()
+        it.allProperties
     }.apply {
         descriptorProperty.set(SolidMaterial.descriptor)
         itemProperty.bind(treeFragment.selectedProperty)
diff --git a/demo/muon-monitor/src/jsMain/kotlin/ru/mipt/npm/muon/monitor/MMAppComponent.kt b/demo/muon-monitor/src/jsMain/kotlin/ru/mipt/npm/muon/monitor/MMAppComponent.kt
index aeb8d815..52c23c69 100644
--- a/demo/muon-monitor/src/jsMain/kotlin/ru/mipt/npm/muon/monitor/MMAppComponent.kt
+++ b/demo/muon-monitor/src/jsMain/kotlin/ru/mipt/npm/muon/monitor/MMAppComponent.kt
@@ -51,7 +51,7 @@ val MMApp = functionalComponent<MMAppProps>("Muon monitor") { props ->
     var selected by useState { props.selected }
     var canvas: ThreeCanvas? by useState { null }
 
-    val select: (Name?) -> Unit = {
+    val onSelect: (Name?) -> Unit = {
         selected = it
     }
 
@@ -72,7 +72,7 @@ val MMApp = functionalComponent<MMAppProps>("Muon monitor") { props ->
             }
             //tree
             card("Object tree") {
-                objectTree(root, selected, select)
+                objectTree(root, selected, onSelect)
             }
         }
         styledDiv {
@@ -85,9 +85,10 @@ val MMApp = functionalComponent<MMAppProps>("Muon monitor") { props ->
                 attrs {
                     this.context = props.context
                     this.obj = root
-                    this.options = canvasConfig
+                    this.options = canvasConfig.apply {
+                        this.onSelect = onSelect
+                    }
                     this.selected = selected
-                    this.clickCallback = select
                     this.canvasCallback = {
                         canvas = it
                     }
@@ -176,7 +177,7 @@ val MMApp = functionalComponent<MMAppProps>("Muon monitor") { props ->
                             configEditor(
                                 selectedObject.config,
                                 selectedObject.descriptor,
-                                default = selectedObject.getAllProperties(),
+                                default = selectedObject.allProperties,
                                 key = selected
                             )
                         }
diff --git a/demo/spatial-showcase/build.gradle.kts b/demo/spatial-showcase/build.gradle.kts
index 87140138..cd0a131f 100644
--- a/demo/spatial-showcase/build.gradle.kts
+++ b/demo/spatial-showcase/build.gradle.kts
@@ -1,4 +1,6 @@
-import ru.mipt.npm.gradle.*
+import ru.mipt.npm.gradle.DependencyConfiguration
+import ru.mipt.npm.gradle.FXModule
+import ru.mipt.npm.gradle.useFx
 
 plugins {
     id("ru.mipt.npm.mpp")
@@ -23,8 +25,13 @@ kotlin {
     sourceSets {
         commonMain {
             dependencies {
-                api(project(":visionforge-solid"))
-                api(project(":visionforge-gdml"))
+                implementation(project(":visionforge-solid"))
+                implementation(project(":visionforge-gdml"))
+            }
+        }
+        jsMain{
+            dependencies {
+                implementation("org.jetbrains:kotlin-css:1.0.0-pre.129-kotlin-1.4.10")
             }
         }
     }
diff --git a/demo/spatial-showcase/src/commonMain/kotlin/hep/dataforge/vision/solid/demo/demo.kt b/demo/spatial-showcase/src/commonMain/kotlin/hep/dataforge/vision/solid/demo/demo.kt
index 4f96f21b..1e962957 100644
--- a/demo/spatial-showcase/src/commonMain/kotlin/hep/dataforge/vision/solid/demo/demo.kt
+++ b/demo/spatial-showcase/src/commonMain/kotlin/hep/dataforge/vision/solid/demo/demo.kt
@@ -3,9 +3,8 @@ package hep.dataforge.vision.solid.demo
 import hep.dataforge.meta.Meta
 import hep.dataforge.meta.invoke
 import hep.dataforge.names.toName
-import hep.dataforge.output.OutputManager
 import hep.dataforge.vision.Colors
-import hep.dataforge.vision.Vision
+import hep.dataforge.vision.layout.Page
 import hep.dataforge.vision.solid.*
 import hep.dataforge.vision.solid.specifications.Canvas3DOptions
 import hep.dataforge.vision.visible
@@ -16,12 +15,12 @@ import kotlin.math.sin
 import kotlin.random.Random
 
 
-fun OutputManager.demo(name: String, title: String = name, block: SolidGroup.() -> Unit) {
+fun Page<Solid>.demo(name: String, title: String = name, block: SolidGroup.() -> Unit) {
     val meta = Meta {
         "title" put title
     }
-    val output = get(Vision::class, name.toName(), meta = meta)
-    output.render (action = block)
+    val output = output(name.toName(), meta)?: error("Output with name $name not found")
+    output.solidGroup (builder = block)
 }
 
 val canvasOptions = Canvas3DOptions {
@@ -36,7 +35,7 @@ val canvasOptions = Canvas3DOptions {
     }
 }
 
-fun OutputManager.showcase() {
+fun Page<Solid>.showcase() {
     demo("shapes", "Basic shapes") {
         box(100.0, 100.0, 100.0) {
             z = -110.0
@@ -133,7 +132,7 @@ fun OutputManager.showcase() {
     }
 }
 
-fun OutputManager.showcaseCSG() {
+fun Page<Solid>.showcaseCSG() {
     demo("CSG.simple", "CSG operations") {
         composite(CompositeType.UNION) {
             box(100, 100, 100) {
diff --git a/demo/spatial-showcase/src/jsMain/kotlin/hep/dataforge/vision/solid/demo/ThreeDemoApp.kt b/demo/spatial-showcase/src/jsMain/kotlin/hep/dataforge/vision/solid/demo/ThreeDemoApp.kt
index 0bcd047b..206dbb2b 100644
--- a/demo/spatial-showcase/src/jsMain/kotlin/hep/dataforge/vision/solid/demo/ThreeDemoApp.kt
+++ b/demo/spatial-showcase/src/jsMain/kotlin/hep/dataforge/vision/solid/demo/ThreeDemoApp.kt
@@ -15,7 +15,7 @@ private class ThreeDemoApp : Application {
 
     override fun start(state: Map<String, Any>) {
 
-        val element = document.getElementById("canvas") ?: error("Element with id 'canvas' not found on page")
+        val element = document.getElementById("demo") ?: error("Element with id 'demo' not found on page")
 
         ThreeDemoGrid(element).run {
             showcase()
diff --git a/demo/spatial-showcase/src/jsMain/kotlin/hep/dataforge/vision/solid/demo/ThreeDemoGrid.kt b/demo/spatial-showcase/src/jsMain/kotlin/hep/dataforge/vision/solid/demo/ThreeDemoGrid.kt
index 8ea0462d..a12355a4 100644
--- a/demo/spatial-showcase/src/jsMain/kotlin/hep/dataforge/vision/solid/demo/ThreeDemoGrid.kt
+++ b/demo/spatial-showcase/src/jsMain/kotlin/hep/dataforge/vision/solid/demo/ThreeDemoGrid.kt
@@ -5,57 +5,75 @@ import hep.dataforge.meta.Meta
 import hep.dataforge.meta.get
 import hep.dataforge.meta.string
 import hep.dataforge.names.Name
-import hep.dataforge.output.Renderer
-import hep.dataforge.vision.Vision
+import hep.dataforge.vision.layout.Output
+import hep.dataforge.vision.layout.Page
+import hep.dataforge.vision.solid.Solid
 import hep.dataforge.vision.solid.three.ThreeCanvas
 import hep.dataforge.vision.solid.three.ThreePlugin
-import hep.dataforge.vision.solid.three.attachRenderer
-import kotlinx.browser.document
 import kotlinx.dom.clear
 import kotlinx.html.dom.append
-import kotlinx.html.dom.create
-import kotlinx.html.h2
-import kotlinx.html.hr
 import kotlinx.html.id
-import kotlinx.html.js.div
-import kotlinx.html.span
+import kotlinx.html.js.*
+import kotlinx.html.role
 import org.w3c.dom.Element
-import kotlin.reflect.KClass
+import org.w3c.dom.HTMLDivElement
+import org.w3c.dom.HTMLElement
 
-class ThreeDemoGrid(element: Element, meta: Meta = Meta.EMPTY) {
+class ThreeDemoGrid(element: Element, idPrefix: String = "") : Page<Solid> {
+
+
+    private lateinit var navigationElement: HTMLElement
+    private lateinit var contentElement: HTMLDivElement
 
-    private val gridRoot = document.create.div("row")
     private val outputs: MutableMap<Name, ThreeCanvas> = HashMap()
 
     private val three = Global.plugins.fetch(ThreePlugin)
 
     init {
         element.clear()
-        element.append(gridRoot)
-    }
-
-    @Suppress("UNCHECKED_CAST")
-    override fun <T : Any> get(type: KClass<out T>, name: Name, stage: Name, meta: Meta): Renderer<T> {
-
-        return outputs.getOrPut(name) {
-            if (type != Vision::class) error("Supports only DisplayObject")
-            lateinit var output: ThreeCanvas
-            //TODO calculate cell width here using jquery
-            gridRoot.append {
-                span("border") {
-                    div("col-6") {
-                        div { id = "output-$name" }.also {
-                            output = three.attachRenderer(it, canvasOptions)
-                            //output.attach(it)
-                        }
-                        hr()
-                        h2 { +(meta["title"].string ?: name.toString()) }
-                    }
+        element.append {
+            div("container") {
+                navigationElement = ul("nav nav-tabs") {
+                    id = "${idPrefix}Tab"
+                    role = "tablist"
+                }
+                contentElement = div("tab-content") {
+                    id = "${idPrefix}TabContent"
                 }
             }
+        }
+    }
 
-            output
-        } as Renderer<T>
+
+    @Suppress("UNCHECKED_CAST")
+    override fun output(name: Name, meta: Meta): Output<Solid> = outputs.getOrPut(name) {
+        lateinit var output: ThreeCanvas
+        navigationElement.append {
+            li("nav-item") {
+                a(classes = "nav-link") {
+                    id = "tab[$name]"
+                    attributes["data-toggle"] = "tab"
+                    href = "#$name"
+                    role = "tab"
+                    attributes["aria-controls"] = "$name"
+                    attributes["aria-selected"] = "false"
+                    +name.toString()
+                }
+            }
+        }
+        contentElement.append {
+            div("tab-pane fade col h-100") {
+                id = name.toString()
+                role = "tabpanel"
+                attributes["aria-labelledby"] = "tab[$name]"
+                div("container w-100 h-100") { id = "output-$name" }.also {element->
+                    output = three.createCanvas(element, canvasOptions)
+                }
+                hr()
+                h2 { +(meta["title"].string ?: name.toString()) }
+            }
+        }
+        output
     }
 }
 
diff --git a/demo/spatial-showcase/src/jsMain/kotlin/hep/dataforge/vision/solid/demo/VariableBox.kt b/demo/spatial-showcase/src/jsMain/kotlin/hep/dataforge/vision/solid/demo/VariableBox.kt
index 08830f35..8df28ddc 100644
--- a/demo/spatial-showcase/src/jsMain/kotlin/hep/dataforge/vision/solid/demo/VariableBox.kt
+++ b/demo/spatial-showcase/src/jsMain/kotlin/hep/dataforge/vision/solid/demo/VariableBox.kt
@@ -13,6 +13,7 @@ import hep.dataforge.vision.set
 import hep.dataforge.vision.setProperty
 import hep.dataforge.vision.solid.*
 import hep.dataforge.vision.solid.Solid.Companion.GEOMETRY_KEY
+import hep.dataforge.vision.solid.SolidMaterial.Companion.MATERIAL_COLOR_KEY
 import hep.dataforge.vision.solid.three.*
 import hep.dataforge.vision.solid.three.ThreeMaterials.getMaterial
 import info.laht.threekt.core.BufferGeometry
@@ -75,6 +76,9 @@ internal class VariableBox(xSize: Number, ySize: Number, zSize: Number) : ThreeV
                 }
                 name.startsWith(MeshThreeFactory.WIREFRAME_KEY) -> mesh.applyWireFrame(this@VariableBox)
                 name.startsWith(MeshThreeFactory.EDGES_KEY) -> mesh.applyEdges(this@VariableBox)
+                name.startsWith(MATERIAL_COLOR_KEY)->{
+                    mesh.material = getMaterial(this, true)
+                }
                 else -> mesh.updateProperty(this@VariableBox, name)
             }
         }
diff --git a/demo/spatial-showcase/src/jsMain/resources/index.html b/demo/spatial-showcase/src/jsMain/resources/index.html
index 278366e0..f3f04915 100644
--- a/demo/spatial-showcase/src/jsMain/resources/index.html
+++ b/demo/spatial-showcase/src/jsMain/resources/index.html
@@ -4,14 +4,25 @@
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
     <title>Three js demo for particle physics</title>
-    <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css"
-          integrity="sha384-Vkoo8x4CGsO3+Hhxv8T/Q5PaXtkKtu6ug5TOeNV6gBiFeWPGFN9MuhOf23Q9Ifjh" crossorigin="anonymous">
+    <!-- CSS -->
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@4.5.3/dist/css/bootstrap.min.css"
+          integrity="sha384-TX8t27EcRE3e/ihU7zmQxVncDAy5uIKz4rEkgIXeMed4M0jlfIDPvg6uqKI2xXr2" crossorigin="anonymous">
+
     <script type="text/javascript" src="spatial-showcase.js"></script>
 </head>
 <body class="application">
 <div class="container">
     <h1>Demo grid</h1>
 </div>
-<div class="container" id="canvas"></div>
+<div class="container" id="demo"></div>
+
+<!-- jQuery and JS bundle w/ Popper.js -->
+<script src="https://code.jquery.com/jquery-3.5.1.slim.min.js"
+        integrity="sha384-DfXdz2htPH0lsSSs5nCTpuj/zy4C+OGpamoFVy38MVBnE+IbbVYUew+OrCXaRkfj"
+        crossorigin="anonymous"></script>
+<script src="https://cdn.jsdelivr.net/npm/bootstrap@4.5.3/dist/js/bootstrap.bundle.min.js"
+        integrity="sha384-ho+j7jyWK8fNQe+A12Hb8AhRq26LrZ/JpcUGGOn+Y7RsweNrtN/tE3MoK7ZeZDyx"
+        crossorigin="anonymous"></script>
+
 </body>
 </html>
\ No newline at end of file
diff --git a/demo/spatial-showcase/src/jvmMain/kotlin/hep/dataforge/vision/solid/demo/FXDemoGrid.kt b/demo/spatial-showcase/src/jvmMain/kotlin/hep/dataforge/vision/solid/demo/FXDemoGrid.kt
index 3fb8c1e5..ec0d5b0f 100644
--- a/demo/spatial-showcase/src/jvmMain/kotlin/hep/dataforge/vision/solid/demo/FXDemoGrid.kt
+++ b/demo/spatial-showcase/src/jvmMain/kotlin/hep/dataforge/vision/solid/demo/FXDemoGrid.kt
@@ -3,18 +3,17 @@ package hep.dataforge.vision.solid.demo
 import hep.dataforge.context.Global
 import hep.dataforge.meta.Meta
 import hep.dataforge.names.Name
-import hep.dataforge.output.OutputManager
-import hep.dataforge.output.Renderer
-import hep.dataforge.vision.Vision
+import hep.dataforge.vision.layout.Output
+import hep.dataforge.vision.layout.Page
+import hep.dataforge.vision.solid.Solid
 import hep.dataforge.vision.solid.fx.FX3DPlugin
 import hep.dataforge.vision.solid.fx.FXCanvas3D
 import javafx.collections.FXCollections
 import javafx.scene.Parent
 import javafx.scene.control.Tab
 import tornadofx.*
-import kotlin.reflect.KClass
 
-class FXDemoGrid : View(title = "DataForge-vis FX demo"), OutputManager {
+class FXDemoGrid : View(title = "DataForge-vis FX demo"), Page<Solid> {
     private val outputs = FXCollections.observableHashMap<Name, FXCanvas3D>()
 
     override val root: Parent = borderpane {
@@ -27,14 +26,8 @@ class FXDemoGrid : View(title = "DataForge-vis FX demo"), OutputManager {
 
     private val fx3d = Global.plugins.fetch(FX3DPlugin)
 
-    @Suppress("UNCHECKED_CAST")
-    override fun <T : Any> get(type: KClass<out T>, name: Name, stage: Name, meta: Meta): Renderer<T> {
-        return outputs.getOrPut(name) {
-            if (type != Vision::class) kotlin.error("Supports only DisplayObject")
-            val output = FXCanvas3D(fx3d, canvasOptions)
-
-            output
-        } as Renderer<T>
+    override fun output(name: Name, meta: Meta): Output<Solid> = outputs.getOrPut(name) {
+        FXCanvas3D(fx3d, canvasOptions)
     }
 
 }
\ No newline at end of file
diff --git a/ui/bootstrap/src/main/kotlin/hep/dataforge/vision/bootstrap/threeControls.kt b/ui/bootstrap/src/main/kotlin/hep/dataforge/vision/bootstrap/threeControls.kt
index ac0b5c33..839c35d3 100644
--- a/ui/bootstrap/src/main/kotlin/hep/dataforge/vision/bootstrap/threeControls.kt
+++ b/ui/bootstrap/src/main/kotlin/hep/dataforge/vision/bootstrap/threeControls.kt
@@ -54,7 +54,7 @@ public val ThreeControls: FunctionalComponent<ThreeControlsProps> = functionalCo
                 if (selectedObject != null) {
                     visionPropertyEditor(
                         selectedObject,
-                        default = selectedObject.getAllProperties(),
+                        default = selectedObject.allProperties,
                         key = selected
                     )
                 }
diff --git a/ui/react/src/main/kotlin/hep/dataforge/vision/react/ThreeCanvasComponent.kt b/ui/react/src/main/kotlin/hep/dataforge/vision/react/ThreeCanvasComponent.kt
index df52938d..bd0c8797 100644
--- a/ui/react/src/main/kotlin/hep/dataforge/vision/react/ThreeCanvasComponent.kt
+++ b/ui/react/src/main/kotlin/hep/dataforge/vision/react/ThreeCanvasComponent.kt
@@ -19,7 +19,6 @@ public external interface ThreeCanvasProps : RProps {
     public var obj: Solid?
     public var options: Canvas3DOptions?
     public var selected: Name?
-    public var clickCallback: (Name?) -> Unit
     public var canvasCallback: ((ThreeCanvas?) -> Unit)?
 }
 
@@ -39,7 +38,7 @@ public val ThreeCanvasComponent: FunctionalComponent<ThreeCanvasProps> = functio
             val element = elementRef.current as? HTMLElement ?: error("Canvas element not found")
             val three: ThreePlugin = props.context.plugins.fetch(ThreePlugin)
             val newCanvas: ThreeCanvas =
-                three.attachRenderer(element, props.options ?: Canvas3DOptions.empty(), props.clickCallback)
+                three.createCanvas(element, props.options ?: Canvas3DOptions.empty())
             props.canvasCallback?.invoke(newCanvas)
             canvas = newCanvas
         }
diff --git a/visionforge-core/src/commonMain/kotlin/hep/dataforge/vision/Renderer.kt b/visionforge-core/src/commonMain/kotlin/hep/dataforge/vision/Renderer.kt
deleted file mode 100644
index 820ac615..00000000
--- a/visionforge-core/src/commonMain/kotlin/hep/dataforge/vision/Renderer.kt
+++ /dev/null
@@ -1,5 +0,0 @@
-package hep.dataforge.vision
-
-public fun interface Renderer<in V: Vision> {
-    public fun render(vision: V)
-}
\ No newline at end of file
diff --git a/visionforge-core/src/commonMain/kotlin/hep/dataforge/vision/Vision.kt b/visionforge-core/src/commonMain/kotlin/hep/dataforge/vision/Vision.kt
index 3a9cc81c..1ee5036e 100644
--- a/visionforge-core/src/commonMain/kotlin/hep/dataforge/vision/Vision.kt
+++ b/visionforge-core/src/commonMain/kotlin/hep/dataforge/vision/Vision.kt
@@ -12,8 +12,6 @@ import hep.dataforge.vision.Vision.Companion.TYPE
 import hep.dataforge.vision.Vision.Companion.VISIBLE_KEY
 import kotlinx.serialization.PolymorphicSerializer
 import kotlinx.serialization.Transient
-import kotlin.properties.ReadWriteProperty
-import kotlin.reflect.KProperty
 
 /**
  * A root type for display hierarchy
@@ -35,7 +33,7 @@ public interface Vision : Configurable, Described {
     /**
      * All properties including styles and prototypes if present, including inherited ones
      */
-    public fun getAllProperties(): Laminate
+    public val allProperties: Laminate
 
     /**
      * Get property (including styles). [inherit] toggles parent node property lookup
@@ -116,27 +114,27 @@ public var Vision.visible: Boolean?
     get() = getProperty(VISIBLE_KEY).boolean
     set(value) = config.setValue(VISIBLE_KEY, value?.asValue())
 
-/**
- * Convinience delegate for properties
- */
-public fun Vision.property(
-    default: MetaItem<*>? = null,
-    key: Name? = null,
-    inherit: Boolean = true,
-): MutableItemDelegate =
-    object : ReadWriteProperty<Any?, MetaItem<*>?> {
-        override fun getValue(thisRef: Any?, property: KProperty<*>): MetaItem<*>? {
-            val name = key ?: property.name.toName()
-            return getProperty(name, inherit) ?: default
-        }
+///**
+// * Convenience delegate for properties
+// */
+//public fun Vision.property(
+//    default: MetaItem<*>? = null,
+//    key: Name? = null,
+//    inherit: Boolean = true,
+//): MutableItemDelegate =
+//    object : ReadWriteProperty<Any?, MetaItem<*>?> {
+//        override fun getValue(thisRef: Any?, property: KProperty<*>): MetaItem<*>? {
+//            val name = key ?: property.name.toName()
+//            return getProperty(name, inherit) ?: default
+//        }
+//
+//        override fun setValue(thisRef: Any?, property: KProperty<*>, value: MetaItem<*>?) {
+//            val name = key ?: property.name.toName()
+//            setProperty(name, value)
+//        }
+//    }
 
-        override fun setValue(thisRef: Any?, property: KProperty<*>, value: MetaItem<*>?) {
-            val name = key ?: property.name.toName()
-            setProperty(name, value)
-        }
-    }
-
-public fun Vision.properties(inherit: Boolean = true): MutableItemProvider = object : MutableItemProvider {
+public fun Vision.props(inherit: Boolean = true): MutableItemProvider = object : MutableItemProvider {
     override fun getItem(name: Name): MetaItem<*>? {
         return getProperty(name, inherit)
     }
diff --git a/visionforge-core/src/commonMain/kotlin/hep/dataforge/vision/VisionBase.kt b/visionforge-core/src/commonMain/kotlin/hep/dataforge/vision/VisionBase.kt
index 8a2918a1..492fee47 100644
--- a/visionforge-core/src/commonMain/kotlin/hep/dataforge/vision/VisionBase.kt
+++ b/visionforge-core/src/commonMain/kotlin/hep/dataforge/vision/VisionBase.kt
@@ -3,6 +3,7 @@ package hep.dataforge.vision
 import hep.dataforge.meta.*
 import hep.dataforge.meta.descriptors.NodeDescriptor
 import hep.dataforge.meta.descriptors.defaultItem
+import hep.dataforge.meta.descriptors.defaultMeta
 import hep.dataforge.meta.descriptors.get
 import hep.dataforge.names.Name
 import hep.dataforge.names.asName
@@ -75,24 +76,22 @@ public open class VisionBase : Vision {
     /**
      * All available properties in a layered form
      */
-    override fun getAllProperties(): Laminate = Laminate(properties, allStyles, parent?.getAllProperties())
+    override val allProperties: Laminate
+        get() = Laminate(
+            properties,
+            allStyles,
+            parent?.allProperties,
+            descriptor?.defaultMeta(),
+        )
 
-    override fun getProperty(name: Name, inherit: Boolean): MetaItem<*>? {
-        return if (inherit) {
-            sequence {
-                yield(properties?.get(name))
-                yieldAll(getStyleItems(name))
-                yield(descriptor?.get(name)?.defaultItem())
-                yield(parent?.getProperty(name, inherit))
-            }.merge()
-        } else {
-            sequence {
-                yield(properties?.get(name))
-                yieldAll(getStyleItems(name))
-                yield(descriptor?.get(name)?.defaultItem())
-            }.merge()
+    override fun getProperty(name: Name, inherit: Boolean): MetaItem<*>? = sequence {
+        yield(properties?.get(name))
+        yieldAll(getStyleItems(name))
+        if (inherit) {
+            yield(parent?.getProperty(name, inherit))
         }
-    }
+        yield(descriptor?.get(name)?.defaultItem())
+    }.merge()
 
     /**
      * Reset all properties to their default values
diff --git a/visionforge-core/src/commonMain/kotlin/hep/dataforge/vision/VisionManager.kt b/visionforge-core/src/commonMain/kotlin/hep/dataforge/vision/VisionManager.kt
index 426644ca..14a72d2a 100644
--- a/visionforge-core/src/commonMain/kotlin/hep/dataforge/vision/VisionManager.kt
+++ b/visionforge-core/src/commonMain/kotlin/hep/dataforge/vision/VisionManager.kt
@@ -19,17 +19,13 @@ public class VisionManager(meta: Meta) : AbstractPlugin(meta) {
     public val serializersModule: SerializersModule
         get() = SerializersModule {
             include(defaultSerialModule)
-            context.gather<SerializersModule>(VISION_SERIAL_MODULE_TARGET).values.forEach {
+            context.gather<SerializersModule>(VISION_SERIALIZER_MODULE_TARGET).values.forEach {
                 include(it)
             }
         }
 
     public val jsonFormat: Json
-        get() = Json {
-            prettyPrint = true
-            useArrayPolymorphism = false
-            encodeDefaults = false
-            ignoreUnknownKeys = true
+        get() = Json(defaultJson) {
             serializersModule = this@VisionManager.serializersModule
         }
 
@@ -52,14 +48,23 @@ public class VisionManager(meta: Meta) : AbstractPlugin(meta) {
         override val tag: PluginTag = PluginTag(name = "vision", group = PluginTag.DATAFORGE_GROUP)
         override val type: KClass<out VisionManager> = VisionManager::class
 
-        public const val VISION_SERIAL_MODULE_TARGET: String = "visionSerialModule"
+        public const val VISION_SERIALIZER_MODULE_TARGET: String = "visionSerializerModule"
 
         override fun invoke(meta: Meta, context: Context): VisionManager = VisionManager(meta)
 
         private val defaultSerialModule: SerializersModule = SerializersModule {
             polymorphic(Vision::class) {
+                subclass(VisionBase.serializer())
                 subclass(VisionGroupBase.serializer())
             }
         }
+
+        public val defaultJson: Json = Json {
+            serializersModule = defaultSerialModule
+            prettyPrint = true
+            useArrayPolymorphism = false
+            encodeDefaults = false
+            ignoreUnknownKeys = true
+        }
     }
 }
\ No newline at end of file
diff --git a/visionforge-core/src/commonMain/kotlin/hep/dataforge/vision/html/BindingHtmlOutputScope.kt b/visionforge-core/src/commonMain/kotlin/hep/dataforge/vision/html/BindingHtmlOutputScope.kt
new file mode 100644
index 00000000..069d5635
--- /dev/null
+++ b/visionforge-core/src/commonMain/kotlin/hep/dataforge/vision/html/BindingHtmlOutputScope.kt
@@ -0,0 +1,18 @@
+package hep.dataforge.vision.html
+
+import hep.dataforge.names.Name
+import hep.dataforge.vision.Vision
+import kotlinx.html.TagConsumer
+
+public class BindingHtmlOutputScope<T, V : Vision>(
+    root: TagConsumer<T>,
+    prefix: String? = null,
+) : HtmlOutputScope<T, V>(root,prefix) {
+
+    private val _bindings = HashMap<Name, V>()
+    public val bindings: Map<Name, V> get() = _bindings
+
+    override fun renderVision(htmlOutput: HtmlOutput<V>, vision: V) {
+        _bindings[htmlOutput.name] = vision
+    }
+}
\ No newline at end of file
diff --git a/visionforge-core/src/commonMain/kotlin/hep/dataforge/vision/html/HtmlOutputScope.kt b/visionforge-core/src/commonMain/kotlin/hep/dataforge/vision/html/HtmlOutputScope.kt
new file mode 100644
index 00000000..28bd6c49
--- /dev/null
+++ b/visionforge-core/src/commonMain/kotlin/hep/dataforge/vision/html/HtmlOutputScope.kt
@@ -0,0 +1,52 @@
+package hep.dataforge.vision.html
+
+import hep.dataforge.names.Name
+import hep.dataforge.names.toName
+import hep.dataforge.vision.Vision
+import kotlinx.html.DIV
+import kotlinx.html.TagConsumer
+import kotlinx.html.div
+import kotlinx.html.id
+
+public class HtmlOutput<V : Vision>(
+    public val outputScope: HtmlOutputScope<*, V>,
+    public val name: Name,
+    public val div: DIV,
+)
+
+public abstract class HtmlOutputScope<R, V : Vision>(
+    private val root: TagConsumer<R>,
+    public val prefix: String? = null,
+) : TagConsumer<R> by root {
+
+    public open fun resolveId(name: Name): String = (prefix ?: "output:") + name.toString()
+
+    /**
+     * Create a placeholder but do not attach any [Vision] to it
+     */
+    public inline fun <T> TagConsumer<T>.visionOutput(
+        name: Name,
+        crossinline block: HtmlOutput<V>.() -> Unit = {},
+    ): T = div {
+        this.id = resolveId(name)
+        @Suppress("UNCHECKED_CAST")
+        HtmlOutput(this@HtmlOutputScope, name, this).block()
+    }
+
+
+    public inline fun <T> TagConsumer<T>.visionOutput(
+        name: String,
+        crossinline block: HtmlOutput<V>.() -> Unit = {},
+    ): T = visionOutput(name.toName(), block)
+
+    /**
+     * Create a placeholder and put a [Vision] in it
+     */
+    public abstract fun renderVision(htmlOutput: HtmlOutput<V>, vision: V)
+
+    public fun <T> TagConsumer<T>.vision(name: Name, vision: V): Unit {
+        visionOutput(name) {
+            renderVision(this, vision)
+        }
+    }
+}
\ No newline at end of file
diff --git a/visionforge-core/src/commonMain/kotlin/hep/dataforge/vision/html/HtmlVisionFragment.kt b/visionforge-core/src/commonMain/kotlin/hep/dataforge/vision/html/HtmlVisionFragment.kt
new file mode 100644
index 00000000..d0140d39
--- /dev/null
+++ b/visionforge-core/src/commonMain/kotlin/hep/dataforge/vision/html/HtmlVisionFragment.kt
@@ -0,0 +1,8 @@
+package hep.dataforge.vision.html
+
+import hep.dataforge.vision.Vision
+
+public class HtmlVisionFragment<V : Vision>(public val layout: HtmlOutputScope<out Any, V>.() -> Unit)
+
+public fun buildVisionFragment(visit: HtmlOutputScope<out Any, Vision>.() -> Unit): HtmlVisionFragment<Vision> =
+    HtmlVisionFragment(visit)
diff --git a/visionforge-core/src/commonMain/kotlin/hep/dataforge/vision/html/StaticHtmlOutputScope.kt b/visionforge-core/src/commonMain/kotlin/hep/dataforge/vision/html/StaticHtmlOutputScope.kt
new file mode 100644
index 00000000..02aea7d3
--- /dev/null
+++ b/visionforge-core/src/commonMain/kotlin/hep/dataforge/vision/html/StaticHtmlOutputScope.kt
@@ -0,0 +1,28 @@
+package hep.dataforge.vision.html
+
+import hep.dataforge.vision.Vision
+import kotlinx.html.FlowContent
+import kotlinx.html.TagConsumer
+import kotlinx.html.stream.createHTML
+
+public typealias HtmlVisionRenderer<V> = FlowContent.(V) -> Unit
+
+public class StaticHtmlOutputScope<R, V : Vision>(
+    root: TagConsumer<R>,
+    prefix: String? = null,
+    private val render: HtmlVisionRenderer<V>,
+) : HtmlOutputScope<R, V>(root, prefix) {
+
+    override fun renderVision(htmlOutput: HtmlOutput<V>, vision: V) {
+        htmlOutput.div.render(vision)
+    }
+}
+
+public fun <T : Any> HtmlVisionFragment<Vision>.renderToObject(
+    root: TagConsumer<T>,
+    prefix: String? = null,
+    renderer: HtmlVisionRenderer<Vision>,
+): T = StaticHtmlOutputScope(root, prefix, renderer).apply(layout).finalize()
+
+public fun HtmlVisionFragment<Vision>.renderToString(renderer: HtmlVisionRenderer<Vision>): String =
+    renderToObject(createHTML(), null, renderer)
\ No newline at end of file
diff --git a/visionforge-core/src/commonMain/kotlin/hep/dataforge/vision/layout/Page.kt b/visionforge-core/src/commonMain/kotlin/hep/dataforge/vision/layout/Page.kt
new file mode 100644
index 00000000..cd66a3d6
--- /dev/null
+++ b/visionforge-core/src/commonMain/kotlin/hep/dataforge/vision/layout/Page.kt
@@ -0,0 +1,16 @@
+package hep.dataforge.vision.layout
+
+import hep.dataforge.meta.Meta
+import hep.dataforge.names.Name
+import hep.dataforge.vision.Vision
+
+public interface Output<in V : Vision> {
+    public fun render(vision: V)
+}
+
+public interface Page<in V : Vision> {
+    public fun output(name: Name, meta: Meta = Meta.EMPTY): Output<V>?
+}
+
+public fun <V : Vision> Page<V>.render(name: Name, vision: V): Unit =
+    output(name)?.render(vision) ?: error("Could not resolve renderer for name $name")
\ No newline at end of file
diff --git a/visionforge-core/src/commonMain/kotlin/hep/dataforge/vision/visionChange.kt b/visionforge-core/src/commonMain/kotlin/hep/dataforge/vision/visionChange.kt
index 21434e80..e0041bf5 100644
--- a/visionforge-core/src/commonMain/kotlin/hep/dataforge/vision/visionChange.kt
+++ b/visionforge-core/src/commonMain/kotlin/hep/dataforge/vision/visionChange.kt
@@ -28,7 +28,8 @@ public abstract class EmptyVision : Vision {
 
     override val properties: Config? = null
 
-    override fun getAllProperties(): Laminate = Laminate(Meta.EMPTY)
+    override val allProperties: Laminate
+        get() = Laminate(Meta.EMPTY)
 
     override fun getProperty(name: Name, inherit: Boolean): MetaItem<*>? = null
 
diff --git a/visionforge-core/src/commonTest/kotlin/hep/dataforge/vision/html/HtmlTagTest.kt b/visionforge-core/src/commonTest/kotlin/hep/dataforge/vision/html/HtmlTagTest.kt
new file mode 100644
index 00000000..4c48fad7
--- /dev/null
+++ b/visionforge-core/src/commonTest/kotlin/hep/dataforge/vision/html/HtmlTagTest.kt
@@ -0,0 +1,52 @@
+package hep.dataforge.vision.html
+
+import hep.dataforge.meta.configure
+import hep.dataforge.meta.set
+import hep.dataforge.vision.Vision
+import hep.dataforge.vision.VisionBase
+import hep.dataforge.vision.VisionGroup
+import kotlinx.html.*
+import kotlin.test.Test
+
+class HtmlTagTest {
+
+    fun HtmlOutput<Vision>.vision(block: Vision.() -> Unit) =
+        outputScope.renderVision(this, VisionBase().apply(block))
+
+    val fragment = buildVisionFragment {
+        div {
+            h1 { +"Head" }
+            visionOutput("ddd") {
+                vision {
+                    configure {
+                        set("myProp", 82)
+                    }
+                }
+            }
+        }
+    }
+
+    val simpleVisionRenderer: HtmlVisionRenderer<Vision> = { vision ->
+        div {
+            h2 { +"Properties" }
+            ul {
+                vision.properties?.items?.forEach {
+                    li {
+                        a { +it.key.toString() }
+                        p { +it.value.toString() }
+                    }
+                }
+            }
+        }
+    }
+
+    val groupRenderer: HtmlVisionRenderer<VisionGroup> = { group ->
+        p { +"This is group" }
+    }
+
+
+    @Test
+    fun testStringRender() {
+        println(fragment.renderToString(simpleVisionRenderer))
+    }
+}
\ No newline at end of file
diff --git a/visionforge-core/src/jsMain/kotlin/hep/dataforge/vision/html/DynamicHtmlOutputContext.kt b/visionforge-core/src/jsMain/kotlin/hep/dataforge/vision/html/DynamicHtmlOutputContext.kt
new file mode 100644
index 00000000..573055a0
--- /dev/null
+++ b/visionforge-core/src/jsMain/kotlin/hep/dataforge/vision/html/DynamicHtmlOutputContext.kt
@@ -0,0 +1,31 @@
+package hep.dataforge.vision.html
+
+import hep.dataforge.vision.Vision
+import kotlinx.browser.document
+import kotlinx.html.TagConsumer
+import org.w3c.dom.Element
+import org.w3c.dom.HTMLElement
+
+public interface HtmlVisionBinding<in V: Vision>{
+    public fun bind(element: Element, vision: V): Unit
+}
+
+public fun <V: Vision> Map<String, V>.bind(binder: HtmlVisionBinding<V>){
+    forEach { (id, vision) ->
+        val element = document.getElementById(id) ?: error("Could not find element with id $id")
+        binder.bind(element, vision)
+    }
+}
+
+public fun HtmlVisionFragment<Vision>.bindToDocument(
+    root: TagConsumer<HTMLElement>,
+    binder: HtmlVisionBinding<Vision>,
+): HTMLElement = BindingHtmlOutputScope<HTMLElement, Vision>(root).apply(layout).let { scope ->
+    scope.finalize().apply {
+        scope.bindings.forEach { (name, vision) ->
+            val id = scope.resolveId(name)
+            val element = document.getElementById(id) ?: error("Could not find element with name $name and id $id")
+            binder.bind(element, vision)
+        }
+    }
+}
diff --git a/visionforge-core/src/jsMain/kotlin/hep/dataforge/vision/rendering/HTMLVisionDisplay.kt b/visionforge-core/src/jsMain/kotlin/hep/dataforge/vision/rendering/HTMLVisionDisplay.kt
deleted file mode 100644
index 58f2b2b1..00000000
--- a/visionforge-core/src/jsMain/kotlin/hep/dataforge/vision/rendering/HTMLVisionDisplay.kt
+++ /dev/null
@@ -1,20 +0,0 @@
-package hep.dataforge.vision.rendering
-
-import hep.dataforge.vision.Renderer
-import hep.dataforge.vision.Vision
-import org.w3c.dom.HTMLElement
-
-/**
- * A display container factory for specific vision
- * @param V type of [Vision] to be rendered
- * @param C the specific type of the container
- */
-public fun interface HTMLVisionDisplay<in V : Vision, C : Renderer<V>> {
-    public fun attachRenderer(element: HTMLElement): C
-}
-
-/**
- * Render a specific element and return container for configuration
- */
-public fun <V : Vision, C : Renderer<V>> HTMLVisionDisplay<V, C>.render(element: HTMLElement, vision: V): C =
-    attachRenderer(element).apply { render(vision)}
diff --git a/visionforge-server/src/main/kotlin/hep/dataforge/vision/server/VisionServer.kt b/visionforge-server/src/main/kotlin/hep/dataforge/vision/server/VisionServer.kt
index 98894710..32e3262a 100644
--- a/visionforge-server/src/main/kotlin/hep/dataforge/vision/server/VisionServer.kt
+++ b/visionforge-server/src/main/kotlin/hep/dataforge/vision/server/VisionServer.kt
@@ -1,219 +1,219 @@
-package hep.dataforge.vision.server
-
-import hep.dataforge.meta.*
-import hep.dataforge.names.Name
-import hep.dataforge.names.toName
-import hep.dataforge.vision.server.VisionServer.Companion.DEFAULT_PAGE
-import io.ktor.application.Application
-import io.ktor.application.featureOrNull
-import io.ktor.application.install
-import io.ktor.features.CORS
-import io.ktor.http.content.resources
-import io.ktor.http.content.static
-import io.ktor.routing.Routing
-import io.ktor.routing.route
-import io.ktor.routing.routing
-import io.ktor.server.engine.ApplicationEngine
-import io.ktor.websocket.WebSockets
-import kotlinx.html.TagConsumer
-import java.awt.Desktop
-import java.net.URI
-import kotlin.text.get
-
-public enum class ServerUpdateMode {
-    NONE,
-    PUSH,
-    PULL
-}
-
-public class VisionServer internal constructor(
-    private val routing: Routing,
-    private val rootRoute: String,
-) : Configurable {
-    override val config: Config = Config()
-    public var updateMode: ServerUpdateMode by config.enum(ServerUpdateMode.NONE, key = UPDATE_MODE_KEY)
-    public var updateInterval: Long by config.long(300, key = UPDATE_INTERVAL_KEY)
-    public var embedData: Boolean by config.boolean(false)
-
-    /**
-     * a list of headers that should be applied to all pages
-     */
-    private val globalHeaders: ArrayList<HtmlFragment> = ArrayList<HtmlFragment>()
-
-    public fun header(block: TagConsumer<*>.() -> Unit) {
-        globalHeaders.add(HtmlFragment(block))
-    }
-
-    public fun page(
-        plotlyFragment: PlotlyFragment,
-        route: String = DEFAULT_PAGE,
-        title: String = "Plotly server page '$route'",
-        headers: List<HtmlFragment> = emptyList(),
-    ) {
-        routing.createRouteFromPath(rootRoute).apply {
-            val plots = HashMap<String, Plot>()
-            route(route) {
-                //Update websocket
-                webSocket("ws/{id}") {
-                    val plotId: String = call.parameters["id"] ?: error("Plot id not defined")
-
-                    application.log.debug("Opened server socket for $plotId")
-
-                    val plot = plots[plotId] ?: error("Plot with id='$plotId' not registered")
-
-                    try {
-                        plot.collectUpdates(plotId, this, updateInterval).collect { update ->
-                            val json = update.toJson()
-                            outgoing.send(Frame.Text(json.toString()))
-                        }
-                    } catch (ex: Exception) {
-                        application.log.debug("Closed server socket for $plotId")
-                    }
-                }
-                //Plots in their json representation
-                get("data/{id}") {
-                    val id: String = call.parameters["id"] ?: error("Plot id not defined")
-
-                    val plot: Plot? = plots[id]
-                    if (plot == null) {
-                        call.respond(HttpStatusCode.NotFound, "Plot with id = $id not found")
-                    } else {
-                        call.respondText(
-                            plot.toJsonString(),
-                            contentType = ContentType.Application.Json,
-                            status = HttpStatusCode.OK
-                        )
-                    }
-                }
-                //filled pages
-                get {
-                    val origin = call.request.origin
-                    val url = URLBuilder().apply {
-                        protocol = URLProtocol.createOrDefault(origin.scheme)
-                        //workaround for https://github.com/ktorio/ktor/issues/1663
-                        host = if (origin.host.startsWith("0:")) "[${origin.host}]" else origin.host
-                        port = origin.port
-                        encodedPath = origin.uri
-                    }.build()
-                    call.respondHtml {
-                        val normalizedRoute = if (rootRoute.endsWith("/")) {
-                            rootRoute
-                        } else {
-                            "$rootRoute/"
-                        }
-
-                        head {
-                            meta {
-                                charset = "utf-8"
-                                (globalHeaders + headers).forEach {
-                                    it.visit(consumer)
-                                }
-                                script {
-                                    type = "text/javascript"
-                                    src = "${normalizedRoute}js/plotly.min.js"
-                                }
-                                script {
-                                    type = "text/javascript"
-                                    src = "${normalizedRoute}js/plotlyConnect.js"
-                                }
-                            }
-                            title(title)
-                        }
-                        body {
-                            val container =
-                                ServerPlotlyRenderer(url, updateMode, updateInterval, embedData) { plotId, plot ->
-                                    plots[plotId] = plot
-                                }
-                            with(plotlyFragment) {
-                                render(container)
-                            }
-                        }
-                    }
-                }
-            }
-        }
-    }
-
-    public fun page(
-        route: String = DEFAULT_PAGE,
-        title: String = "Plotly server page '$route'",
-        headers: List<HtmlFragment> = emptyList(),
-        content: FlowContent.(renderer: PlotlyRenderer) -> Unit,
-    ) {
-        page(PlotlyFragment(content), route, title, headers)
-    }
-
-
-    public companion object {
-        public const val DEFAULT_PAGE: String = "/"
-        public val UPDATE_MODE_KEY: Name = "update.mode".toName()
-        public val UPDATE_INTERVAL_KEY: Name = "update.interval".toName()
-    }
-}
-
-
-/**
- * Attach plotly application to given server
- */
-public fun Application.visionModule(route: String = DEFAULT_PAGE): VisionServer {
-    if (featureOrNull(WebSockets) == null) {
-        install(WebSockets)
-    }
-
-    if (featureOrNull(CORS) == null) {
-        install(CORS) {
-            anyHost()
-        }
-    }
-
-
-    val routing = routing {
-        route(route) {
-            static {
-                resources()
-            }
-        }
-    }
-
-    return VisionServer(routing, route)
-}
-
-
-/**
- * Configure server to start sending updates in push mode. Does not affect loaded pages
- */
-public fun VisionServer.pushUpdates(interval: Long = 100): VisionServer = apply {
-    updateMode = ServerUpdateMode.PUSH
-    updateInterval = interval
-}
-
-/**
- * Configure client to request regular updates from server. Pull updates are more expensive than push updates since
- * they contain the full plot data and server can't decide what to send.
- */
-public fun VisionServer.pullUpdates(interval: Long = 1000): VisionServer = apply {
-    updateMode = ServerUpdateMode.PULL
-    updateInterval = interval
-}
-
+//package hep.dataforge.vision.server
+//
+//import hep.dataforge.meta.*
+//import hep.dataforge.names.Name
+//import hep.dataforge.names.toName
+//import hep.dataforge.vision.server.VisionServer.Companion.DEFAULT_PAGE
+//import io.ktor.application.Application
+//import io.ktor.application.featureOrNull
+//import io.ktor.application.install
+//import io.ktor.features.CORS
+//import io.ktor.http.content.resources
+//import io.ktor.http.content.static
+//import io.ktor.routing.Routing
+//import io.ktor.routing.route
+//import io.ktor.routing.routing
+//import io.ktor.server.engine.ApplicationEngine
+//import io.ktor.websocket.WebSockets
+//import kotlinx.html.TagConsumer
+//import java.awt.Desktop
+//import java.net.URI
+//import kotlin.text.get
+//
+//public enum class ServerUpdateMode {
+//    NONE,
+//    PUSH,
+//    PULL
+//}
+//
+//public class VisionServer internal constructor(
+//    private val routing: Routing,
+//    private val rootRoute: String,
+//) : Configurable {
+//    override val config: Config = Config()
+//    public var updateMode: ServerUpdateMode by config.enum(ServerUpdateMode.NONE, key = UPDATE_MODE_KEY)
+//    public var updateInterval: Long by config.long(300, key = UPDATE_INTERVAL_KEY)
+//    public var embedData: Boolean by config.boolean(false)
+//
+//    /**
+//     * a list of headers that should be applied to all pages
+//     */
+//    private val globalHeaders: ArrayList<HtmlFragment> = ArrayList<HtmlFragment>()
+//
+//    public fun header(block: TagConsumer<*>.() -> Unit) {
+//        globalHeaders.add(HtmlFragment(block))
+//    }
+//
+//    public fun page(
+//        plotlyFragment: PlotlyFragment,
+//        route: String = DEFAULT_PAGE,
+//        title: String = "Plotly server page '$route'",
+//        headers: List<HtmlFragment> = emptyList(),
+//    ) {
+//        routing.createRouteFromPath(rootRoute).apply {
+//            val plots = HashMap<String, Plot>()
+//            route(route) {
+//                //Update websocket
+//                webSocket("ws/{id}") {
+//                    val plotId: String = call.parameters["id"] ?: error("Plot id not defined")
+//
+//                    application.log.debug("Opened server socket for $plotId")
+//
+//                    val plot = plots[plotId] ?: error("Plot with id='$plotId' not registered")
+//
+//                    try {
+//                        plot.collectUpdates(plotId, this, updateInterval).collect { update ->
+//                            val json = update.toJson()
+//                            outgoing.send(Frame.Text(json.toString()))
+//                        }
+//                    } catch (ex: Exception) {
+//                        application.log.debug("Closed server socket for $plotId")
+//                    }
+//                }
+//                //Plots in their json representation
+//                get("data/{id}") {
+//                    val id: String = call.parameters["id"] ?: error("Plot id not defined")
+//
+//                    val plot: Plot? = plots[id]
+//                    if (plot == null) {
+//                        call.respond(HttpStatusCode.NotFound, "Plot with id = $id not found")
+//                    } else {
+//                        call.respondText(
+//                            plot.toJsonString(),
+//                            contentType = ContentType.Application.Json,
+//                            status = HttpStatusCode.OK
+//                        )
+//                    }
+//                }
+//                //filled pages
+//                get {
+//                    val origin = call.request.origin
+//                    val url = URLBuilder().apply {
+//                        protocol = URLProtocol.createOrDefault(origin.scheme)
+//                        //workaround for https://github.com/ktorio/ktor/issues/1663
+//                        host = if (origin.host.startsWith("0:")) "[${origin.host}]" else origin.host
+//                        port = origin.port
+//                        encodedPath = origin.uri
+//                    }.build()
+//                    call.respondHtml {
+//                        val normalizedRoute = if (rootRoute.endsWith("/")) {
+//                            rootRoute
+//                        } else {
+//                            "$rootRoute/"
+//                        }
+//
+//                        head {
+//                            meta {
+//                                charset = "utf-8"
+//                                (globalHeaders + headers).forEach {
+//                                    it.visit(consumer)
+//                                }
+//                                script {
+//                                    type = "text/javascript"
+//                                    src = "${normalizedRoute}js/plotly.min.js"
+//                                }
+//                                script {
+//                                    type = "text/javascript"
+//                                    src = "${normalizedRoute}js/plotlyConnect.js"
+//                                }
+//                            }
+//                            title(title)
+//                        }
+//                        body {
+//                            val container =
+//                                ServerPlotlyRenderer(url, updateMode, updateInterval, embedData) { plotId, plot ->
+//                                    plots[plotId] = plot
+//                                }
+//                            with(plotlyFragment) {
+//                                render(container)
+//                            }
+//                        }
+//                    }
+//                }
+//            }
+//        }
+//    }
+//
+//    public fun page(
+//        route: String = DEFAULT_PAGE,
+//        title: String = "Plotly server page '$route'",
+//        headers: List<HtmlFragment> = emptyList(),
+//        content: FlowContent.(renderer: PlotlyRenderer) -> Unit,
+//    ) {
+//        page(PlotlyFragment(content), route, title, headers)
+//    }
+//
+//
+//    public companion object {
+//        public const val DEFAULT_PAGE: String = "/"
+//        public val UPDATE_MODE_KEY: Name = "update.mode".toName()
+//        public val UPDATE_INTERVAL_KEY: Name = "update.interval".toName()
+//    }
+//}
+//
+//
 ///**
-// * Start static server (updates via reload)
+// * Attach plotly application to given server
 // */
-//@OptIn(KtorExperimentalAPI::class)
-//public fun Plotly.serve(
-//    scope: CoroutineScope = GlobalScope,
-//    host: String = "localhost",
-//    port: Int = 7777,
-//    block: PlotlyServer.() -> Unit,
-//): ApplicationEngine = scope.embeddedServer(io.ktor.server.cio.CIO, port, host) {
-//    plotlyModule().apply(block)
-//}.start()
-
-
-public fun ApplicationEngine.show() {
-    val connector = environment.connectors.first()
-    val uri = URI("http", null, connector.host, connector.port, null, null, null)
-    Desktop.getDesktop().browse(uri)
-}
-
-public fun ApplicationEngine.close(): Unit = stop(1000, 5000)
\ No newline at end of file
+//public fun Application.visionModule(route: String = DEFAULT_PAGE): VisionServer {
+//    if (featureOrNull(WebSockets) == null) {
+//        install(WebSockets)
+//    }
+//
+//    if (featureOrNull(CORS) == null) {
+//        install(CORS) {
+//            anyHost()
+//        }
+//    }
+//
+//
+//    val routing = routing {
+//        route(route) {
+//            static {
+//                resources()
+//            }
+//        }
+//    }
+//
+//    return VisionServer(routing, route)
+//}
+//
+//
+///**
+// * Configure server to start sending updates in push mode. Does not affect loaded pages
+// */
+//public fun VisionServer.pushUpdates(interval: Long = 100): VisionServer = apply {
+//    updateMode = ServerUpdateMode.PUSH
+//    updateInterval = interval
+//}
+//
+///**
+// * Configure client to request regular updates from server. Pull updates are more expensive than push updates since
+// * they contain the full plot data and server can't decide what to send.
+// */
+//public fun VisionServer.pullUpdates(interval: Long = 1000): VisionServer = apply {
+//    updateMode = ServerUpdateMode.PULL
+//    updateInterval = interval
+//}
+//
+/////**
+//// * Start static server (updates via reload)
+//// */
+////@OptIn(KtorExperimentalAPI::class)
+////public fun Plotly.serve(
+////    scope: CoroutineScope = GlobalScope,
+////    host: String = "localhost",
+////    port: Int = 7777,
+////    block: PlotlyServer.() -> Unit,
+////): ApplicationEngine = scope.embeddedServer(io.ktor.server.cio.CIO, port, host) {
+////    plotlyModule().apply(block)
+////}.start()
+//
+//
+//public fun ApplicationEngine.show() {
+//    val connector = environment.connectors.first()
+//    val uri = URI("http", null, connector.host, connector.port, null, null, null)
+//    Desktop.getDesktop().browse(uri)
+//}
+//
+//public fun ApplicationEngine.close(): Unit = stop(1000, 5000)
\ No newline at end of file
diff --git a/visionforge-server/src/main/kotlin/hep/dataforge/vision/server/html.kt b/visionforge-server/src/main/kotlin/hep/dataforge/vision/server/html.kt
deleted file mode 100644
index d6df7edc..00000000
--- a/visionforge-server/src/main/kotlin/hep/dataforge/vision/server/html.kt
+++ /dev/null
@@ -1,70 +0,0 @@
-package hep.dataforge.vision.server
-
-import kotlinx.html.*
-import kotlinx.html.stream.createHTML
-import java.nio.file.Files
-import java.nio.file.Path
-import java.nio.file.StandardOpenOption
-
-public class HtmlFragment(public val visit: TagConsumer<*>.() -> Unit) {
-    override fun toString(): String {
-        return createHTML().also(visit).finalize()
-    }
-}
-
-public operator fun HtmlFragment.plus(other: HtmlFragment): HtmlFragment = HtmlFragment {
-    this@plus.run { visit() }
-    other.run { visit() }
-}
-
-/**
- * Check if the asset exists in given local location and put it there if it does not
- */
-internal fun checkOrStoreFile(basePath: Path, filePath: Path, resource: String): Path {
-    val fullPath = basePath.resolveSibling(filePath).toAbsolutePath()
-
-    if (Files.exists(fullPath)) {
-        //TODO checksum
-    } else {
-        //TODO add logging
-
-        val bytes = HtmlFragment::class.java.getResourceAsStream(resource).readAllBytes()
-        Files.createDirectories(fullPath.parent)
-        Files.write(fullPath, bytes, StandardOpenOption.CREATE_NEW, StandardOpenOption.WRITE)
-    }
-
-    return if (basePath.isAbsolute && fullPath.startsWith(basePath)) {
-        basePath.relativize(fullPath)
-    } else {
-        filePath
-    }
-}
-
-/**
- * A header that automatically copies relevant scripts to given path
- */
-public fun localScriptHeader(
-    basePath: Path,
-    scriptPath: Path,
-    resource: String
-): HtmlFragment = HtmlFragment {
-    val relativePath = checkOrStoreFile(basePath, scriptPath, resource)
-    script {
-        type = "text/javascript"
-        src = relativePath.toString()
-        attributes["onload"] = "console.log('Script successfully loaded from $relativePath')"
-        attributes["onerror"] = "console.log('Failed to load script from $relativePath')"
-    }
-}
-
-public fun localCssHeader(
-    basePath: Path,
-    cssPath: Path,
-    resource: String
-): HtmlFragment = HtmlFragment {
-    val relativePath = checkOrStoreFile(basePath, cssPath, resource)
-    link {
-        rel = "stylesheet"
-        href = relativePath.toString()
-    }
-}
\ No newline at end of file
diff --git a/visionforge-solid/src/commonMain/kotlin/hep/dataforge/vision/solid/PolyLine.kt b/visionforge-solid/src/commonMain/kotlin/hep/dataforge/vision/solid/PolyLine.kt
index 957e4501..766eab08 100644
--- a/visionforge-solid/src/commonMain/kotlin/hep/dataforge/vision/solid/PolyLine.kt
+++ b/visionforge-solid/src/commonMain/kotlin/hep/dataforge/vision/solid/PolyLine.kt
@@ -7,7 +7,7 @@ import hep.dataforge.names.Name
 import hep.dataforge.names.asName
 import hep.dataforge.names.plus
 import hep.dataforge.vision.VisionContainerBuilder
-import hep.dataforge.vision.properties
+import hep.dataforge.vision.props
 import hep.dataforge.vision.set
 import kotlinx.serialization.SerialName
 import kotlinx.serialization.Serializable
@@ -18,7 +18,7 @@ import kotlinx.serialization.UseSerializers
 public class PolyLine(public var points: List<Point3D>) : BasicSolid(), Solid {
 
     //var lineType by string()
-    public var thickness: Number by properties().number(1.0, key = SolidMaterial.MATERIAL_KEY + THICKNESS_KEY)
+    public var thickness: Number by props().number(1.0, key = SolidMaterial.MATERIAL_KEY + THICKNESS_KEY)
 
     public companion object {
         public val THICKNESS_KEY: Name = "thickness".asName()
diff --git a/visionforge-solid/src/commonMain/kotlin/hep/dataforge/vision/solid/Solid.kt b/visionforge-solid/src/commonMain/kotlin/hep/dataforge/vision/solid/Solid.kt
index 024f5215..f08211a0 100644
--- a/visionforge-solid/src/commonMain/kotlin/hep/dataforge/vision/solid/Solid.kt
+++ b/visionforge-solid/src/commonMain/kotlin/hep/dataforge/vision/solid/Solid.kt
@@ -7,10 +7,10 @@ import hep.dataforge.names.asName
 import hep.dataforge.names.plus
 import hep.dataforge.values.ValueType
 import hep.dataforge.values.asValue
-import hep.dataforge.vision.Renderer
 import hep.dataforge.vision.Vision
 import hep.dataforge.vision.Vision.Companion.VISIBLE_KEY
 import hep.dataforge.vision.enum
+import hep.dataforge.vision.layout.Output
 import hep.dataforge.vision.setProperty
 import hep.dataforge.vision.solid.Solid.Companion.DETAIL_KEY
 import hep.dataforge.vision.solid.Solid.Companion.IGNORE_KEY
@@ -104,7 +104,7 @@ public var Solid.layer: Int
         config[LAYER_KEY] = value.asValue()
     }
 
-public fun Renderer<Solid>.render(action: SolidGroup.() -> Unit): Unit = render(SolidGroup().apply(action))
+public fun Output<Solid>.solidGroup(builder: SolidGroup.() -> Unit): Unit = render(SolidGroup().apply(builder))
 
 // Common properties
 
diff --git a/visionforge-solid/src/commonMain/kotlin/hep/dataforge/vision/solid/SolidManager.kt b/visionforge-solid/src/commonMain/kotlin/hep/dataforge/vision/solid/SolidManager.kt
index 319fffca..64b032d4 100644
--- a/visionforge-solid/src/commonMain/kotlin/hep/dataforge/vision/solid/SolidManager.kt
+++ b/visionforge-solid/src/commonMain/kotlin/hep/dataforge/vision/solid/SolidManager.kt
@@ -11,7 +11,7 @@ import hep.dataforge.vision.Vision
 import hep.dataforge.vision.VisionGroup
 import hep.dataforge.vision.VisionGroupBase
 import hep.dataforge.vision.VisionManager
-import hep.dataforge.vision.VisionManager.Companion.VISION_SERIAL_MODULE_TARGET
+import hep.dataforge.vision.VisionManager.Companion.VISION_SERIALIZER_MODULE_TARGET
 import kotlinx.serialization.json.Json
 import kotlinx.serialization.modules.*
 import kotlin.reflect.KClass
@@ -24,7 +24,7 @@ public class SolidManager(meta: Meta) : AbstractPlugin(meta) {
     override val tag: PluginTag get() = Companion.tag
 
     override fun content(target: String): Map<Name, Any> = when (target) {
-        VISION_SERIAL_MODULE_TARGET -> mapOf(tag.name.toName() to serializersModuleForSolids)
+        VISION_SERIALIZER_MODULE_TARGET -> mapOf(tag.name.toName() to serializersModuleForSolids)
         else -> super.content(target)
     }
 
@@ -60,11 +60,7 @@ public class SolidManager(meta: Meta) : AbstractPlugin(meta) {
             }
         }
 
-        internal val jsonForSolids: Json = Json{
-            prettyPrint = true
-            useArrayPolymorphism = false
-            encodeDefaults = false
-            ignoreUnknownKeys = true
+        internal val jsonForSolids: Json = Json(VisionManager.defaultJson){
             serializersModule = serializersModuleForSolids
         }
 
diff --git a/visionforge-solid/src/commonMain/kotlin/hep/dataforge/vision/solid/SolidMaterial.kt b/visionforge-solid/src/commonMain/kotlin/hep/dataforge/vision/solid/SolidMaterial.kt
index 34a12916..c26300d1 100644
--- a/visionforge-solid/src/commonMain/kotlin/hep/dataforge/vision/solid/SolidMaterial.kt
+++ b/visionforge-solid/src/commonMain/kotlin/hep/dataforge/vision/solid/SolidMaterial.kt
@@ -54,7 +54,6 @@ public class SolidMaterial : Scheme() {
             NodeDescriptor {
                 value(COLOR_KEY) {
                     type(ValueType.STRING, ValueType.NUMBER)
-                    default("#ffffff")
                     widgetType = "color"
                 }
                 value(OPACITY_KEY) {
diff --git a/visionforge-solid/src/commonMain/kotlin/hep/dataforge/vision/solid/SolidReference.kt b/visionforge-solid/src/commonMain/kotlin/hep/dataforge/vision/solid/SolidReference.kt
index 266366ce..cf652b8b 100644
--- a/visionforge-solid/src/commonMain/kotlin/hep/dataforge/vision/solid/SolidReference.kt
+++ b/visionforge-solid/src/commonMain/kotlin/hep/dataforge/vision/solid/SolidReference.kt
@@ -12,22 +12,14 @@ import kotlin.collections.set
 public abstract class AbstractReference : BasicSolid(), VisionGroup {
     public abstract val prototype: Solid
 
-    override fun getProperty(name: Name, inherit: Boolean): MetaItem<*>? {
-        return if (inherit) {
-            sequence {
-                yield(properties?.get(name))
-                yieldAll(getStyleItems(name))
-                yield(prototype.getProperty(name))
-                yield(parent?.getProperty(name, inherit))
-            }.merge()
-        } else {
-            sequence {
-                yield(properties?.get(name))
-                yieldAll(getStyleItems(name))
-                yield(prototype.getProperty(name, false))
-            }.merge()
+    override fun getProperty(name: Name, inherit: Boolean): MetaItem<*>? = sequence {
+        yield(properties?.get(name))
+        yieldAll(getStyleItems(name))
+        yield(prototype.getProperty(name))
+        if (inherit) {
+            yield(parent?.getProperty(name, inherit))
         }
-    }
+    }.merge()
 
     override var styles: List<String>
         get() = (properties[Vision.STYLE_KEY]?.stringList ?: emptyList()) + prototype.styles
@@ -35,8 +27,13 @@ public abstract class AbstractReference : BasicSolid(), VisionGroup {
             config[Vision.STYLE_KEY] = value
         }
 
-    override fun getAllProperties(): Laminate =
-        Laminate(properties, allStyles, prototype.getAllProperties(), parent?.getAllProperties())
+    override val allProperties: Laminate
+        get() = Laminate(
+            properties,
+            allStyles,
+            prototype.allProperties,
+            parent?.allProperties,
+        )
 
     override fun attachChildren() {
         //do nothing
diff --git a/visionforge-solid/src/jsMain/kotlin/hep/dataforge/vision/solid/three/ThreeCanvas.kt b/visionforge-solid/src/jsMain/kotlin/hep/dataforge/vision/solid/three/ThreeCanvas.kt
index 834fcf70..ebdf950a 100644
--- a/visionforge-solid/src/jsMain/kotlin/hep/dataforge/vision/solid/three/ThreeCanvas.kt
+++ b/visionforge-solid/src/jsMain/kotlin/hep/dataforge/vision/solid/three/ThreeCanvas.kt
@@ -6,7 +6,7 @@ import hep.dataforge.names.Name
 import hep.dataforge.names.plus
 import hep.dataforge.names.toName
 import hep.dataforge.vision.Colors
-import hep.dataforge.vision.Renderer
+import hep.dataforge.vision.layout.Output
 import hep.dataforge.vision.solid.Solid
 import hep.dataforge.vision.solid.specifications.*
 import hep.dataforge.vision.solid.three.ThreeMaterials.HIGHLIGHT_MATERIAL
@@ -24,12 +24,9 @@ import info.laht.threekt.materials.LineBasicMaterial
 import info.laht.threekt.math.Vector2
 import info.laht.threekt.objects.LineSegments
 import info.laht.threekt.objects.Mesh
-import info.laht.threekt.renderers.WebGLRenderer
 import info.laht.threekt.scenes.Scene
-import kotlinx.browser.window
-import kotlinx.dom.clear
+import org.w3c.dom.Element
 import org.w3c.dom.HTMLCanvasElement
-import org.w3c.dom.HTMLElement
 import org.w3c.dom.Node
 import org.w3c.dom.events.MouseEvent
 import kotlin.math.cos
@@ -41,7 +38,7 @@ import kotlin.math.sin
 public class ThreeCanvas(
     public val three: ThreePlugin,
     public val options: Canvas3DOptions,
-) : Renderer<Solid> {
+) : Output<Solid> {
     private var root: Object3D? = null
 
     private val raycaster = Raycaster()
@@ -62,55 +59,60 @@ public class ThreeCanvas(
 
     private var picked: Object3D? = null
 
+    private val renderer = WebGLRenderer { antialias = true }.apply {
+        setClearColor(Colors.skyblue, 1)
+    }
+
+    public val canvas: HTMLCanvasElement = renderer.domElement as HTMLCanvasElement
+
+    /**
+     * Force camera aspect ration and renderer size recalculation
+     */
+    public fun updateSize() {
+        val width = canvas.clientWidth
+        val height = canvas.clientHeight
+        renderer.setSize(width, height, false)
+        camera.aspect = width.toDouble() / height.toDouble()
+        camera.updateProjectionMatrix()
+    }
+
     /**
      * Attach canvas to given [HTMLElement]
      */
-    public fun attach(element: HTMLElement) {
-        fun WebGLRenderer.resize() {
-            val canvas = domElement as HTMLCanvasElement
-
-            val width = options.computeWidth(canvas.clientWidth)
-            val height = options.computeHeight(canvas.clientHeight)
-
-            canvas.width = width
-            canvas.height = height
-
-            setSize(width, height, false)
-            camera.aspect = width.toDouble() / height
-            camera.updateProjectionMatrix()
-        }
-
-        element.clear()
-
-        //Attach listener to track mouse changes
-        element.addEventListener("mousemove", { event ->
-            (event as? MouseEvent)?.run {
-                val rect = element.getBoundingClientRect()
-                mousePosition.x = ((event.clientX - rect.left) / element.clientWidth) * 2 - 1
-                mousePosition.y = -((event.clientY - rect.top) / element.clientHeight) * 2 + 1
-            }
-        }, false)
-
-        element.addEventListener("mousedown", {
+    init {
+        canvas.addEventListener("pointerdown", {
             val picked = pick()
             options.onSelect?.invoke(picked?.fullName())
         }, false)
 
-        val renderer = WebGLRenderer { antialias = true }.apply {
-            setClearColor(Colors.skyblue, 1)
-        }
+        //Attach listener to track mouse changes
+        canvas.addEventListener("mousemove", { event ->
+            (event as? MouseEvent)?.run {
+                val rect = canvas.getBoundingClientRect()
+                mousePosition.x = ((event.clientX - rect.left) / canvas.clientWidth) * 2 - 1
+                mousePosition.y = -((event.clientY - rect.top) / canvas.clientHeight) * 2 + 1
+            }
+        }, false)
 
-        val canvas = renderer.domElement as HTMLCanvasElement
 
         canvas.style.apply {
             width = "100%"
+            minWidth = "${options.minWith.toInt()}px"
+            maxWidth = "${options.maxWith.toInt()}px"
             height = "100%"
+            minHeight = "${options.minHeight.toInt()}px"
+            maxHeight = "${options.maxHeight.toInt()}px"
             display = "block"
         }
 
-        addControls(renderer.domElement, options.controls)
 
-        fun animate() {
+        canvas.onresize = {
+            updateSize()
+        }
+
+        addControls(canvas, options.controls)
+
+        renderer.setAnimationLoop {
             val picked = pick()
 
             if (picked != null && this.picked != picked) {
@@ -119,21 +121,13 @@ public class ThreeCanvas(
                 this.picked = picked
             }
 
-            window.requestAnimationFrame {
-                animate()
-            }
-
             renderer.render(scene, camera)
         }
+    }
 
-        element.appendChild(renderer.domElement)
-        renderer.resize()
-
-        element.onresize = {
-            renderer.resize()
-        }
-
-        animate()
+    public fun attach(element: Element) {
+        element.appendChild(canvas)
+        updateSize()
     }
 
     /**
diff --git a/visionforge-solid/src/jsMain/kotlin/hep/dataforge/vision/solid/three/ThreeMaterials.kt b/visionforge-solid/src/jsMain/kotlin/hep/dataforge/vision/solid/three/ThreeMaterials.kt
index 969e725f..8f1dcbfa 100644
--- a/visionforge-solid/src/jsMain/kotlin/hep/dataforge/vision/solid/three/ThreeMaterials.kt
+++ b/visionforge-solid/src/jsMain/kotlin/hep/dataforge/vision/solid/three/ThreeMaterials.kt
@@ -41,7 +41,7 @@ public object ThreeMaterials {
         linewidth = meta["thickness"].double ?: 1.0
     }
 
-    fun getLineMaterial(meta: Meta?, cache: Boolean): LineBasicMaterial {
+    public fun getLineMaterial(meta: Meta?, cache: Boolean): LineBasicMaterial {
         if (meta == null) return DEFAULT_LINE
         return if (cache) {
             lineMaterialCache.getOrPut(meta) { buildLineMaterial(meta) }
@@ -73,7 +73,7 @@ public object ThreeMaterials {
         }
     }
 
-    fun getMaterial(vision3D: Vision, cache: Boolean): Material {
+    public fun getMaterial(vision3D: Vision, cache: Boolean): Material {
         val meta = vision3D.getProperty(SolidMaterial.MATERIAL_KEY).node ?: return DEFAULT
         return if (cache) {
             materialCache.getOrPut(meta) { buildMaterial(meta) }
@@ -87,7 +87,7 @@ public object ThreeMaterials {
 /**
  * Infer color based on meta item
  */
-fun MetaItem<*>.getColor(): Color {
+public fun MetaItem<*>.getColor(): Color {
     return when (this) {
         is MetaItem.ValueItem -> if (this.value.type == ValueType.NUMBER) {
             val int = value.number.toInt()
diff --git a/visionforge-solid/src/jsMain/kotlin/hep/dataforge/vision/solid/three/ThreePlugin.kt b/visionforge-solid/src/jsMain/kotlin/hep/dataforge/vision/solid/three/ThreePlugin.kt
index 6cbdcc10..628f7804 100644
--- a/visionforge-solid/src/jsMain/kotlin/hep/dataforge/vision/solid/three/ThreePlugin.kt
+++ b/visionforge-solid/src/jsMain/kotlin/hep/dataforge/vision/solid/three/ThreePlugin.kt
@@ -6,17 +6,18 @@ import hep.dataforge.meta.empty
 import hep.dataforge.meta.invoke
 import hep.dataforge.names.*
 import hep.dataforge.vision.Vision
-import hep.dataforge.vision.rendering.HTMLVisionDisplay
+import hep.dataforge.vision.html.HtmlVisionBinding
 import hep.dataforge.vision.solid.*
 import hep.dataforge.vision.solid.specifications.Canvas3DOptions
 import hep.dataforge.vision.visible
 import info.laht.threekt.core.Object3D
+import org.w3c.dom.Element
 import org.w3c.dom.HTMLElement
 import kotlin.collections.set
 import kotlin.reflect.KClass
 import info.laht.threekt.objects.Group as ThreeGroup
 
-public class ThreePlugin : AbstractPlugin(), HTMLVisionDisplay<Solid, ThreeCanvas> {
+public class ThreePlugin : AbstractPlugin(), HtmlVisionBinding<Solid> {
     override val tag: PluginTag get() = Companion.tag
 
     public val solidManager: SolidManager by require(SolidManager)
@@ -115,10 +116,15 @@ public class ThreePlugin : AbstractPlugin(), HTMLVisionDisplay<Solid, ThreeCanva
         }
     }
 
-    override fun attachRenderer(element: HTMLElement): ThreeCanvas {
-        return ThreeCanvas(this, Canvas3DOptions.empty()).apply {
-            attach(element)
-        }
+    public fun createCanvas(
+        element: HTMLElement,
+        options: Canvas3DOptions = Canvas3DOptions.empty(),
+    ): ThreeCanvas = ThreeCanvas(this, options).apply {
+        attach(element)
+    }
+
+    override fun bind(element: Element, vision: Solid) {
+        TODO("Not yet implemented")
     }
 
     public companion object : PluginFactory<ThreePlugin> {
@@ -128,16 +134,11 @@ public class ThreePlugin : AbstractPlugin(), HTMLVisionDisplay<Solid, ThreeCanva
     }
 }
 
-public fun ThreePlugin.attachRenderer(
-    element: HTMLElement,
-    options: Canvas3DOptions = Canvas3DOptions.empty(),
-): ThreeCanvas = ThreeCanvas(this, options).apply { attach(element) }
-
 public fun ThreePlugin.render(
     element: HTMLElement,
     obj: Solid,
     options: Canvas3DOptions.() -> Unit = {},
-): ThreeCanvas = attachRenderer(element, Canvas3DOptions(options)).apply { render(obj) }
+): ThreeCanvas = createCanvas(element, Canvas3DOptions(options)).apply { render(obj) }
 
 internal operator fun Object3D.set(token: NameToken, object3D: Object3D) {
     object3D.name = token.toString()
diff --git a/visionforge-solid/src/jsMain/kotlin/info/laht/threekt/renderers/WebGLRenderer.kt b/visionforge-solid/src/jsMain/kotlin/info/laht/threekt/renderers/WebGLRenderer.kt
index c46e941e..80edbbca 100644
--- a/visionforge-solid/src/jsMain/kotlin/info/laht/threekt/renderers/WebGLRenderer.kt
+++ b/visionforge-solid/src/jsMain/kotlin/info/laht/threekt/renderers/WebGLRenderer.kt
@@ -64,7 +64,7 @@ external class WebGLRenderer(params: WebGLRendererParams = definedExternally) {
     fun clear(
         color: Boolean = definedExternally,
         depth: Boolean = definedExternally,
-        stencil: Boolean = definedExternally
+        stencil: Boolean = definedExternally,
     )
 
     fun clearColor()
@@ -84,6 +84,11 @@ external class WebGLRenderer(params: WebGLRendererParams = definedExternally) {
      */
     fun setClearColor(color: Int, alpha: Number)
 
+    /**
+     * @param callback The function will be called every available frame. If `null` is passed it will stop any already ongoing animation.
+     */
+    fun setAnimationLoop(callback: () -> Unit)
+
     /**
      * Render a scene using a camera.
      * The render is done to the renderTarget (if specified) or to the canvas as usual.
@@ -94,7 +99,7 @@ external class WebGLRenderer(params: WebGLRendererParams = definedExternally) {
         scene: Scene,
         camera: Camera,
         renderTarget: dynamic = definedExternally,
-        forceClear: Boolean = definedExternally
+        forceClear: Boolean = definedExternally,
     )
 
     fun setPixelRatio(value: Number)
diff --git a/visionforge-solid/src/jvmMain/kotlin/hep/dataforge/vision/solid/fx/FXCanvas3D.kt b/visionforge-solid/src/jvmMain/kotlin/hep/dataforge/vision/solid/fx/FXCanvas3D.kt
index e8989840..4abc02b7 100644
--- a/visionforge-solid/src/jvmMain/kotlin/hep/dataforge/vision/solid/fx/FXCanvas3D.kt
+++ b/visionforge-solid/src/jvmMain/kotlin/hep/dataforge/vision/solid/fx/FXCanvas3D.kt
@@ -3,7 +3,7 @@ package hep.dataforge.vision.solid.fx
 import hep.dataforge.context.Context
 import hep.dataforge.context.ContextAware
 import hep.dataforge.meta.empty
-import hep.dataforge.vision.Renderer
+import hep.dataforge.vision.layout.Output
 import hep.dataforge.vision.solid.Solid
 import hep.dataforge.vision.solid.specifications.Canvas3DOptions
 import javafx.application.Platform
@@ -15,7 +15,7 @@ import org.fxyz3d.scene.Axes
 import tornadofx.*
 
 class FXCanvas3D(val plugin: FX3DPlugin, val spec: Canvas3DOptions = Canvas3DOptions.empty()) :
-    Fragment(), Renderer<Solid>, ContextAware {
+    Fragment(), Output<Solid>, ContextAware {
 
     override val context: Context get() = plugin.context