Class name refactoring

demo/gdml/src/jsMain/kotlin/hep/dataforge/vision/spatial/gdml/demo/GDMLAppComponent.kt

@@ -3,14 +3,14 @@ package hep.dataforge.vision.spatial.gdml.demo
 import hep.dataforge.context.Context
 import hep.dataforge.names.Name
 import hep.dataforge.names.isEmpty
-import hep.dataforge.vision.VisualGroup
+import hep.dataforge.vision.Vision
-import hep.dataforge.vision.VisualObject
+import hep.dataforge.vision.VisionGroup
 import hep.dataforge.vision.bootstrap.*
 import hep.dataforge.vision.react.component
 import hep.dataforge.vision.react.configEditor
 import hep.dataforge.vision.react.flexColumn
 import hep.dataforge.vision.react.state
-import hep.dataforge.vision.spatial.VisualGroup3D
+import hep.dataforge.vision.spatial.VisionGroup3D
 import hep.dataforge.vision.spatial.VisualObject3D
 import hep.dataforge.vision.spatial.gdml.toVisual
 import hep.dataforge.vision.spatial.specifications.Camera
@@ -35,7 +35,7 @@ import kotlin.math.PI
 
 interface GDMLAppProps : RProps {
     var context: Context
-    var rootObject: VisualObject?
+    var rootObject: Vision?
     var selected: Name?
 }
 
@@ -50,7 +50,7 @@ private val canvasConfig = Canvas3DOptions {
 val GDMLApp = component<GDMLAppProps> { props ->
     var selected by state { props.selected }
     var canvas: ThreeCanvas? by state { null }
-    var visual: VisualObject? by state { props.rootObject }
+    var visual: Vision? by state { props.rootObject }
 
     val select: (Name?) -> Unit = {
         selected = it
@@ -62,7 +62,7 @@ val GDMLApp = component<GDMLAppProps> { props ->
                 val gdml = GDML.parse(data)
                 gdml.toVisual(gdmlConfiguration)
             }
-            name.endsWith(".json") -> VisualGroup3D.parseJson(data)
+            name.endsWith(".json") -> VisionGroup3D.parseJson(data)
             else -> {
                 window.alert("File extension is not recognized: $name")
                 error("File extension is not recognized: $name")
@@ -137,10 +137,10 @@ val GDMLApp = component<GDMLAppProps> { props ->
                     //properties
                     card("Properties") {
                         selected.let { selected ->
-                            val selectedObject: VisualObject? = when {
+                            val selectedObject: Vision? = when {
                                 selected == null -> null
                                 selected.isEmpty() -> visual
-                                else -> (visual as? VisualGroup)?.get(selected)
+                                else -> (visual as? VisionGroup)?.get(selected)
                             }
                             if (selectedObject != null) {
                                 configEditor(selectedObject, default = selectedObject.properties(), key = selected)

demo/gdml/src/jvmMain/kotlin/hep/dataforge/vision/spatial/gdml/demo/readFile.kt

@@ -3,8 +3,8 @@ package hep.dataforge.vision.spatial.gdml.demo
 import hep.dataforge.meta.setItem
 import hep.dataforge.values.asValue
 import hep.dataforge.vision.spatial.Material3D
+import hep.dataforge.vision.spatial.VisionGroup3D
 import hep.dataforge.vision.spatial.Visual3D
-import hep.dataforge.vision.spatial.VisualGroup3D
 import hep.dataforge.vision.spatial.gdml.LUnit
 import hep.dataforge.vision.spatial.gdml.readFile
 import hep.dataforge.vision.spatial.gdml.toVisual
@@ -13,7 +13,7 @@ import java.io.File
 import java.util.zip.GZIPInputStream
 import java.util.zip.ZipInputStream
 
-fun Visual3D.Companion.readFile(file: File): VisualGroup3D = when {
+fun Visual3D.Companion.readFile(file: File): VisionGroup3D = when {
     file.extension == "gdml" || file.extension == "xml" -> {
         GDML.readFile(file.toPath()).toVisual {
             lUnit = LUnit.CM
@@ -30,22 +30,22 @@ fun Visual3D.Companion.readFile(file: File): VisualGroup3D = when {
             }
         }
     }
-    file.extension == "json" -> VisualGroup3D.parseJson(file.readText())
+    file.extension == "json" -> VisionGroup3D.parseJson(file.readText())
     file.name.endsWith("json.zip") -> {
         file.inputStream().use {
             val unzip = ZipInputStream(it, Charsets.UTF_8)
             val text = unzip.readBytes().decodeToString()
-            VisualGroup3D.parseJson(text)
+            VisionGroup3D.parseJson(text)
         }
     }
     file.name.endsWith("json.gz") -> {
         file.inputStream().use {
             val unzip = GZIPInputStream(it)
             val text = unzip.readBytes().decodeToString()
-            VisualGroup3D.parseJson(text)
+            VisionGroup3D.parseJson(text)
         }
     }
     else -> error("Unknown extension ${file.extension}")
 }
 
-fun Visual3D.Companion.readFile(fileName: String): VisualGroup3D = readFile(File(fileName))
+fun Visual3D.Companion.readFile(fileName: String): VisionGroup3D = readFile(File(fileName))

demo/gdml/src/jvmTest/kotlin/hep/dataforge/vision/spatial/FileSerializationTest.kt

@@ -9,7 +9,7 @@ class FileSerializationTest {
     @Ignore
     fun testFileRead(){
         val text = this::class.java.getResourceAsStream("/cubes.json").readBytes().decodeToString()
-        val visual = VisualGroup3D.parseJson(text)
+        val visual = VisionGroup3D.parseJson(text)
         visual["composite_001".asName()]
     }
 }

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

@@ -8,10 +8,10 @@ import ru.mipt.npm.muon.monitor.Monitor.UPPER_LAYER_Z
 import kotlin.math.PI
 
 class Model {
-    private val map = HashMap<String, VisualGroup3D>()
+    private val map = HashMap<String, VisionGroup3D>()
     private val events = HashSet<Event>()
 
-    private fun VisualGroup3D.pixel(pixel: SC1) {
+    private fun VisionGroup3D.pixel(pixel: SC1) {
         val group = group(pixel.name) {
             position = Point3D(pixel.center.x, pixel.center.y, pixel.center.z)
             box(pixel.xSize, pixel.ySize, pixel.zSize)
@@ -23,7 +23,7 @@ class Model {
         map[pixel.name] = group
     }
 
-    private fun VisualGroup3D.detector(detector: SC16) {
+    private fun VisionGroup3D.detector(detector: SC16) {
         group(detector.name) {
             detector.pixels.forEach {
                 pixel(it)
@@ -31,9 +31,9 @@ class Model {
         }
     }
 
-    var tracks: VisualGroup3D
+    var tracks: VisionGroup3D
 
-    val root: VisualGroup3D = VisualGroup3D().apply {
+    val root: VisionGroup3D = VisionGroup3D().apply {
         rotationX = PI / 2
         group("bottom") {
             Monitor.detectors.filter { it.center.z == LOWER_LAYER_Z }.forEach {

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

@@ -4,7 +4,7 @@ import hep.dataforge.context.Context
 import hep.dataforge.names.Name
 import hep.dataforge.names.NameToken
 import hep.dataforge.names.isEmpty
-import hep.dataforge.vision.VisualObject
+import hep.dataforge.vision.Vision
 import hep.dataforge.vision.bootstrap.card
 import hep.dataforge.vision.bootstrap.objectTree
 import hep.dataforge.vision.react.component
@@ -149,7 +149,7 @@ val MMApp = component<MMAppProps> { props ->
                 //properties
                 card("Properties") {
                     selected.let { selected ->
-                        val selectedObject: VisualObject? = when {
+                        val selectedObject: Vision? = when {
                             selected == null -> null
                             selected.isEmpty() -> visual
                             else -> visual[selected]

demo/spatial-showcase/src/commonMain/kotlin/hep/dataforge/vision/spatial/demo/demo.kt

@@ -5,7 +5,7 @@ import hep.dataforge.meta.invoke
 import hep.dataforge.names.toName
 import hep.dataforge.output.OutputManager
 import hep.dataforge.vision.Colors
-import hep.dataforge.vision.VisualObject
+import hep.dataforge.vision.Vision
 import hep.dataforge.vision.spatial.*
 import hep.dataforge.vision.spatial.specifications.Canvas3DOptions
 import kotlinx.coroutines.*
@@ -15,11 +15,11 @@ import kotlin.math.sin
 import kotlin.random.Random
 
 
-fun OutputManager.demo(name: String, title: String = name, block: VisualGroup3D.() -> Unit) {
+fun OutputManager.demo(name: String, title: String = name, block: VisionGroup3D.() -> Unit) {
     val meta = Meta {
         "title" put title
     }
-    val output = get(VisualObject::class, name.toName(), meta = meta)
+    val output = get(Vision::class, name.toName(), meta = meta)
     output.render (action = block)
 }
 

demo/spatial-showcase/src/jsMain/kotlin/hep/dataforge/vision/spatial/demo/ThreeDemoGrid.kt

@@ -7,7 +7,7 @@ import hep.dataforge.meta.string
 import hep.dataforge.names.Name
 import hep.dataforge.output.OutputManager
 import hep.dataforge.output.Renderer
-import hep.dataforge.vision.VisualObject
+import hep.dataforge.vision.Vision
 import hep.dataforge.vision.spatial.three.ThreeCanvas
 import hep.dataforge.vision.spatial.three.ThreePlugin
 import hep.dataforge.vision.spatial.three.output
@@ -39,7 +39,7 @@ class ThreeDemoGrid(element: Element, meta: Meta = Meta.EMPTY) : OutputManager {
     override fun <T : Any> get(type: KClass<out T>, name: Name, stage: Name, meta: Meta): Renderer<T> {
 
         return outputs.getOrPut(name) {
-            if (type != VisualObject::class) error("Supports only DisplayObject")
+            if (type != Vision::class) error("Supports only DisplayObject")
             lateinit var output: ThreeCanvas
             //TODO calculate cell width here using jquery
             gridRoot.append {

demo/spatial-showcase/src/jsMain/kotlin/hep/dataforge/vision/spatial/demo/VariableBox.kt

@@ -43,7 +43,7 @@ internal var VisualObject3D.value: Int
         color(r.toUByte(), g.toUByte(), b.toUByte())
     }
 
-fun VisualGroup3D.varBox(
+fun VisionGroup3D.varBox(
     xSize: Number,
     ySize: Number,
     zSize: Number,

demo/spatial-showcase/src/jvmMain/kotlin/hep/dataforge/vision/spatial/demo/FXDemoGrid.kt

@@ -5,7 +5,7 @@ import hep.dataforge.meta.Meta
 import hep.dataforge.names.Name
 import hep.dataforge.output.OutputManager
 import hep.dataforge.output.Renderer
-import hep.dataforge.vision.VisualObject
+import hep.dataforge.vision.Vision
 import hep.dataforge.vision.spatial.fx.FX3DPlugin
 import hep.dataforge.vision.spatial.fx.FXCanvas3D
 import javafx.collections.FXCollections
@@ -30,7 +30,7 @@ class FXDemoGrid : View(title = "DataForge-vis FX demo"), OutputManager {
     @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 != VisualObject::class) kotlin.error("Supports only DisplayObject")
+            if (type != Vision::class) kotlin.error("Supports only DisplayObject")
             val output = FXCanvas3D(fx3d, canvasOptions)
 
             output

playground/src/jsMain/kotlin/PlayGroundApp.kt

@@ -5,7 +5,7 @@ import hep.dataforge.names.Name
 import hep.dataforge.vision.bootstrap.objectTree
 import hep.dataforge.vision.bootstrap.visualPropertyEditor
 import hep.dataforge.vision.spatial.Point3D
-import hep.dataforge.vision.spatial.VisualGroup3D
+import hep.dataforge.vision.spatial.VisionGroup3D
 import hep.dataforge.vision.spatial.box
 import hep.dataforge.vision.spatial.group
 import hep.dataforge.vision.spatial.three.ThreePlugin
@@ -24,7 +24,7 @@ private class PlayGroundApp : Application {
         val element =
             document.getElementById("app") as? HTMLElement ?: error("Element with id 'canvas' not found on page")
 
-        val obj = VisualGroup3D().apply {
+        val obj = VisionGroup3D().apply {
             box(100, 100, 100, name = "A")
             group("B") {
                 position = Point3D(120, 0, 0)

ui/bootstrap/src/main/kotlin/hep/dataforge/vision/bootstrap/ObjectTree.kt

@@ -3,8 +3,8 @@ package hep.dataforge.vision.bootstrap
 import hep.dataforge.names.Name
 import hep.dataforge.names.plus
 import hep.dataforge.names.startsWith
-import hep.dataforge.vision.VisualGroup
+import hep.dataforge.vision.Vision
-import hep.dataforge.vision.VisualObject
+import hep.dataforge.vision.VisionGroup
 import hep.dataforge.vision.isEmpty
 import hep.dataforge.vision.react.RFBuilder
 import hep.dataforge.vision.react.component
@@ -18,7 +18,7 @@ import react.dom.*
 interface ObjectTreeProps : RProps {
     var name: Name
     var selected: Name?
-    var obj: VisualObject
+    var obj: Vision
     var clickCallback: (Name) -> Unit
 }
 
@@ -49,7 +49,7 @@ private fun RFBuilder.objectTree(props: ObjectTreeProps): Unit {
     val obj = props.obj
 
     //display as node if any child is visible
-    if (obj is VisualGroup) {
+    if (obj is VisionGroup) {
         div("d-block text-truncate") {
             if (obj.children.any { !it.key.body.startsWith("@") }) {
                 span("tree-caret") {
@@ -67,7 +67,7 @@ private fun RFBuilder.objectTree(props: ObjectTreeProps): Unit {
             ul("tree") {
                 obj.children.entries
                     .filter { !it.key.toString().startsWith("@") } // ignore statics and other hidden children
-                    .sortedBy { (it.value as? VisualGroup)?.isEmpty ?: true }
+                    .sortedBy { (it.value as? VisionGroup)?.isEmpty ?: true }
                     .forEach { (childToken, child) ->
                         li("tree-item") {
                             child(ObjectTree) {
@@ -95,14 +95,14 @@ val ObjectTree: FunctionalComponent<ObjectTreeProps> = component { props ->
 }
 
 fun Element.renderObjectTree(
-    visualObject: VisualObject,
+    vision: Vision,
     clickCallback: (Name) -> Unit = {}
 ) = render(this) {
     card("Object tree") {
         child(ObjectTree) {
             attrs {
                 this.name = Name.EMPTY
-                this.obj = visualObject
+                this.obj = vision
                 this.selected = null
                 this.clickCallback = clickCallback
             }
@@ -111,14 +111,14 @@ fun Element.renderObjectTree(
 }
 
 fun RBuilder.objectTree(
-    visualObject: VisualObject,
+    vision: Vision,
     selected: Name? = null,
     clickCallback: (Name) -> Unit = {}
 ) {
     child(ObjectTree) {
         attrs {
             this.name = Name.EMPTY
-            this.obj = visualObject
+            this.obj = vision
             this.selected = selected
             this.clickCallback = clickCallback
         }

ui/bootstrap/src/main/kotlin/hep/dataforge/vision/bootstrap/propertyEditor.kt

@@ -4,7 +4,7 @@ import hep.dataforge.meta.Meta
 import hep.dataforge.meta.descriptors.NodeDescriptor
 import hep.dataforge.names.Name
 import hep.dataforge.names.isEmpty
-import hep.dataforge.vision.VisualObject
+import hep.dataforge.vision.Vision
 import hep.dataforge.vision.react.configEditor
 import org.w3c.dom.Element
 import react.RBuilder
@@ -16,7 +16,7 @@ import kotlin.collections.set
 
 fun RBuilder.visualPropertyEditor(
     path: Name,
-    item: VisualObject,
+    item: Vision,
     descriptor: NodeDescriptor? = item.descriptor,
     default: Meta? = null
 ) {
@@ -41,7 +41,7 @@ fun RBuilder.visualPropertyEditor(
 
 fun Element.visualPropertyEditor(
     path: Name,
-    item: VisualObject,
+    item: Vision,
     descriptor: NodeDescriptor? = item.descriptor,
     default: Meta? = null
 ) = render(this) {

ui/material/src/main/kotlin/hep/dataforge/vision/material/objectTree.kt

@@ -3,8 +3,8 @@ package hep.dataforge.vision.material
 import hep.dataforge.names.Name
 import hep.dataforge.names.plus
 import hep.dataforge.names.toName
-import hep.dataforge.vision.VisualGroup
+import hep.dataforge.vision.Vision
-import hep.dataforge.vision.VisualObject
+import hep.dataforge.vision.VisionGroup
 import hep.dataforge.vision.isEmpty
 import hep.dataforge.vision.react.component
 import hep.dataforge.vision.react.state
@@ -21,11 +21,11 @@ import react.dom.span
 interface ObjectTreeProps : RProps {
     var name: Name
     var selected: Name?
-    var obj: VisualObject
+    var obj: Vision
     var clickCallback: (Name?) -> Unit
 }
 
-private fun RBuilder.treeBranch(name: Name, obj: VisualObject): Unit {
+private fun RBuilder.treeBranch(name: Name, obj: Vision): Unit {
     treeItem {
         val token = name.last()?.toString() ?: "World"
         attrs {
@@ -37,10 +37,10 @@ private fun RBuilder.treeBranch(name: Name, obj: VisualObject): Unit {
             }
         }
 
-        if (obj is VisualGroup) {
+        if (obj is VisionGroup) {
             obj.children.entries
                 .filter { !it.key.toString().startsWith("@") } // ignore statics and other hidden children
-                .sortedBy { (it.value as? VisualGroup)?.isEmpty ?: true }
+                .sortedBy { (it.value as? VisionGroup)?.isEmpty ?: true }
                 .forEach { (childToken, child) ->
                     treeBranch(name + childToken, child)
                 }
@@ -78,14 +78,14 @@ val ObjectTree: FunctionalComponent<ObjectTreeProps> = component { props ->
 }
 
 fun RBuilder.objectTree(
-    visualObject: VisualObject,
+    vision: Vision,
     selected: Name? = null,
     clickCallback: (Name?) -> Unit = {}
 ) {
     child(ObjectTree) {
         attrs {
             this.name = Name.EMPTY
-            this.obj = visualObject
+            this.obj = vision
             this.selected = selected
             this.clickCallback = clickCallback
         }

ui/react/build.gradle.kts

@@ -8,14 +8,15 @@ kotlin {
     }
 }
 
+val reactVersion by extra("16.13.1")
 
 dependencies{
     api(project(":visionforge-core"))
 
     //api("org.jetbrains:kotlin-react:16.13.1-pre.104-kotlin-1.3.72")
-    api("org.jetbrains:kotlin-react-dom:16.13.1-pre.104-kotlin-1.3.72")
+    api("org.jetbrains:kotlin-react-dom:$reactVersion-pre.104-kotlin-1.3.72")
 
-    api(npm("react", "16.13.1"))
+    api(npm("react", reactVersion))
-    api(npm("react-dom", "16.13.1"))
+    api(npm("react-dom", reactVersion))
-    api(npm("react-is", "16.13.1"))
+    api(npm("react-is", reactVersion))
 }

visionforge-core/src/commonMain/kotlin/hep/dataforge/vision/AbstractVision.kt

@@ -6,7 +6,7 @@ import hep.dataforge.names.Name
 import hep.dataforge.names.asName
 import hep.dataforge.values.Value
 import hep.dataforge.values.ValueType
-import hep.dataforge.vision.VisualObject.Companion.STYLE_KEY
+import hep.dataforge.vision.Vision.Companion.STYLE_KEY
 import kotlinx.serialization.Transient
 
 internal data class PropertyListener(
@@ -14,10 +14,10 @@ internal data class PropertyListener(
     val action: (name: Name, oldItem: MetaItem<*>?, newItem: MetaItem<*>?) -> Unit
 )
 
-abstract class AbstractVisualObject : VisualObject {
+abstract class AbstractVisualObject : Vision {
 
     @Transient
-    override var parent: VisualGroup? = null
+    override var parent: VisionGroup? = null
 
     /**
      * Object own properties excluding styles and inheritance

visionforge-core/src/commonMain/kotlin/hep/dataforge/vision/AbstractVisionlGroup.kt

@@ -9,16 +9,16 @@ import kotlinx.serialization.Transient
 
 
 /**
- * Abstract implementation of mutable group of [VisualObject]
+ * Abstract implementation of mutable group of [Vision]
  */
-abstract class AbstractVisualGroup : AbstractVisualObject(), MutableVisualGroup {
+abstract class AbstractVision : AbstractVisualObject(), MutableVisionGroup {
 
     //protected abstract val _children: MutableMap<NameToken, T>
 
     /**
      * A map of top level named children
      */
-    abstract override val children: Map<NameToken, VisualObject>
+    abstract override val children: Map<NameToken, Vision>
 
     abstract override var styleSheet: StyleSheet?
         protected set
@@ -39,7 +39,7 @@ abstract class AbstractVisualGroup : AbstractVisualObject(), MutableVisualGroup
     }
 
     // TODO Consider renaming to `StructureChangeListener` (singular)
-    private data class StructureChangeListeners(val owner: Any?, val callback: (Name, VisualObject?) -> Unit)
+    private data class StructureChangeListeners(val owner: Any?, val callback: (Name, Vision?) -> Unit)
 
     @Transient
     private val structureChangeListeners = HashSet<StructureChangeListeners>()
@@ -47,7 +47,7 @@ abstract class AbstractVisualGroup : AbstractVisualObject(), MutableVisualGroup
     /**
      * Add listener for children change
      */
-    override fun onChildrenChange(owner: Any?, action: (Name, VisualObject?) -> Unit) {
+    override fun onChildrenChange(owner: Any?, action: (Name, Vision?) -> Unit) {
         structureChangeListeners.add(
             StructureChangeListeners(
                 owner,
@@ -66,7 +66,7 @@ abstract class AbstractVisualGroup : AbstractVisualObject(), MutableVisualGroup
     /**
      * Propagate children change event upwards
      */
-    protected fun childrenChanged(name: Name, child: VisualObject?) {
+    protected fun childrenChanged(name: Name, child: Vision?) {
         structureChangeListeners.forEach { it.callback(name, child) }
     }
 
@@ -78,20 +78,20 @@ abstract class AbstractVisualGroup : AbstractVisualObject(), MutableVisualGroup
     /**
      * Add, remove or replace child with given name
      */
-    protected abstract fun setChild(token: NameToken, child: VisualObject)
+    protected abstract fun setChild(token: NameToken, child: Vision)
 
     /**
      * Add a static child. Statics could not be found by name, removed or replaced
      */
-    protected open fun addStatic(child: VisualObject) =
+    protected open fun addStatic(child: Vision) =
         set(NameToken("@static(${child.hashCode()})").asName(), child)
 
-    protected abstract fun createGroup(): AbstractVisualGroup
+    protected abstract fun createGroup(): AbstractVision
 
     /**
      * Set this node as parent for given node
      */
-    protected fun attach(child: VisualObject) {
+    protected fun attach(child: Vision) {
         if (child.parent == null) {
             child.parent = this
         } else if (child.parent !== this) {
@@ -102,7 +102,7 @@ abstract class AbstractVisualGroup : AbstractVisualObject(), MutableVisualGroup
     /**
      * Recursively create a child group
      */
-    private fun createGroups(name: Name): AbstractVisualGroup {
+    private fun createGroups(name: Name): AbstractVision {
         return when {
             name.isEmpty() -> error("Should be unreachable")
             name.length == 1 -> {
@@ -112,7 +112,7 @@ abstract class AbstractVisualGroup : AbstractVisualObject(), MutableVisualGroup
                         attach(child)
                         setChild(token, child)
                     }
-                    is AbstractVisualGroup -> current
+                    is AbstractVision -> current
                     else -> error("Can't create group with name $name because it exists and not a group")
                 }
             }
@@ -124,7 +124,7 @@ abstract class AbstractVisualGroup : AbstractVisualObject(), MutableVisualGroup
      * Add named or unnamed child to the group. If key is null the child is considered unnamed. Both key and value are not
      * allowed to be null in the same time. If name is present and [child] is null, the appropriate element is removed.
      */
-    override fun set(name: Name, child: VisualObject?): Unit {
+    override fun set(name: Name, child: Vision?): Unit {
         when {
             name.isEmpty() -> {
                 if (child != null) {
@@ -142,7 +142,7 @@ abstract class AbstractVisualGroup : AbstractVisualObject(), MutableVisualGroup
             }
             else -> {
                 //TODO add safety check
-                val parent = (get(name.cutLast()) as? MutableVisualGroup) ?: createGroups(name.cutLast())
+                val parent = (get(name.cutLast()) as? MutableVisionGroup) ?: createGroups(name.cutLast())
                 parent[name.last()!!.asName()] = child
             }
         }

visionforge-core/src/commonMain/kotlin/hep/dataforge/vision/SimpleVisionGroup.kt

@@ -8,7 +8,7 @@ import kotlinx.serialization.Serializable
 
 @Serializable
 @SerialName("group")
-class SimpleVisualGroup : AbstractVisualGroup() {
+class SimpleVisionGroup : AbstractVision() {
 
     override var styleSheet: StyleSheet? = null
 
@@ -16,16 +16,16 @@ class SimpleVisualGroup : AbstractVisualGroup() {
     override var ownProperties: Config? = null
 
     @SerialName("children")
-    private val _children = HashMap<NameToken, VisualObject>()
+    private val _children = HashMap<NameToken, Vision>()
-    override val children: Map<NameToken, VisualObject> get() = _children
+    override val children: Map<NameToken, Vision> get() = _children
 
     override fun removeChild(token: NameToken) {
         _children.remove(token)?.apply { parent = null }
     }
 
-    override fun setChild(token: NameToken, child: VisualObject) {
+    override fun setChild(token: NameToken, child: Vision) {
         _children[token] = child
     }
 
-    override fun createGroup(): SimpleVisualGroup = SimpleVisualGroup()
+    override fun createGroup(): SimpleVisionGroup = SimpleVisionGroup()
 }

visionforge-core/src/commonMain/kotlin/hep/dataforge/vision/StyleSheet.kt

@@ -15,9 +15,9 @@ import kotlinx.serialization.builtins.serializer
 @Serializable
 class StyleSheet private constructor(private val styleMap: MutableMap<String, Meta> = LinkedHashMap()) {
     @Transient
-    internal var owner: VisualObject? = null
+    internal var owner: Vision? = null
 
-    constructor(owner: VisualObject) : this() {
+    constructor(owner: Vision) : this() {
         this.owner = owner
     }
 
@@ -73,14 +73,14 @@ class StyleSheet private constructor(private val styleMap: MutableMap<String, Me
     }
 }
 
-private fun VisualObject.styleChanged(key: String, oldStyle: Meta?, newStyle: Meta?) {
+private fun Vision.styleChanged(key: String, oldStyle: Meta?, newStyle: Meta?) {
     if (styles.contains(key)) {
         //TODO optimize set concatenation
         val tokens: Collection<Name> = ((oldStyle?.items?.keys ?: emptySet()) + (newStyle?.items?.keys ?: emptySet()))
             .map { it.asName() }
         tokens.forEach { parent?.propertyChanged(it, oldStyle?.get(it), newStyle?.get(it)) }
     }
-    if (this is VisualGroup) {
+    if (this is VisionGroup) {
         for (obj in this) {
             obj.styleChanged(key, oldStyle, newStyle)
         }

visionforge-core/src/commonMain/kotlin/hep/dataforge/vision/Vision.kt

@@ -8,7 +8,7 @@ import hep.dataforge.names.Name
 import hep.dataforge.names.asName
 import hep.dataforge.names.toName
 import hep.dataforge.provider.Type
-import hep.dataforge.vision.VisualObject.Companion.TYPE
+import hep.dataforge.vision.Vision.Companion.TYPE
 import kotlinx.serialization.PolymorphicSerializer
 import kotlinx.serialization.Transient
 
@@ -16,13 +16,13 @@ import kotlinx.serialization.Transient
  * A root type for display hierarchy
  */
 @Type(TYPE)
-interface VisualObject : Configurable {
+interface Vision : Configurable {
 
     /**
      * The parent object of this one. If null, this one is a root.
      */
     @Transient
-    var parent: VisualGroup?
+    var parent: VisionGroup?
 
     /**
      * All properties including styles and prototypes if present, including inherited ones
@@ -68,26 +68,26 @@ interface VisualObject : Configurable {
         const val TYPE = "visual"
         val STYLE_KEY = "@style".asName()
 
-        private val VISUAL_OBJECT_SERIALIZER = PolymorphicSerializer(VisualObject::class)
+        private val VISUAL_OBJECT_SERIALIZER = PolymorphicSerializer(Vision::class)
 
         fun serializer() = VISUAL_OBJECT_SERIALIZER
     }
 }
 
 /**
- * Get [VisualObject] property using key as a String
+ * Get [Vision] property using key as a String
  */
-fun VisualObject.getProperty(key: String, inherit: Boolean = true): MetaItem<*>? =
+fun Vision.getProperty(key: String, inherit: Boolean = true): MetaItem<*>? =
     getProperty(key.toName(), inherit)
 
 /**
  * Add style name to the list of styles to be resolved later. The style with given name does not necessary exist at the moment.
  */
-fun VisualObject.useStyle(name: String) {
+fun Vision.useStyle(name: String) {
     styles = styles + name
 }
 
-tailrec fun VisualObject.findStyle(name: String): Meta? =
+tailrec fun Vision.findStyle(name: String): Meta? =
-    (this as? VisualGroup)?.styleSheet?.get(name) ?: parent?.findStyle(name)
+    (this as? VisionGroup)?.styleSheet?.get(name) ?: parent?.findStyle(name)
 
-fun VisualObject.findAllStyles(): Laminate = Laminate(styles.mapNotNull(::findStyle))
+fun Vision.findAllStyles(): Laminate = Laminate(styles.mapNotNull(::findStyle))

visionforge-core/src/commonMain/kotlin/hep/dataforge/vision/VisionGroup.kt

@@ -4,15 +4,15 @@ import hep.dataforge.names.*
 import hep.dataforge.provider.Provider
 
 /**
- * Represents a group of [VisualObject] instances
+ * Represents a group of [Vision] instances
  */
-interface VisualGroup : Provider, VisualObject {
+interface VisionGroup : Provider, Vision {
     /**
      * A map of top level named children
      */
-    val children: Map<NameToken, VisualObject>
+    val children: Map<NameToken, Vision>
 
-    override val defaultTarget: String get() = VisualObject.TYPE
+    override val defaultTarget: String get() = Vision.TYPE
 
     /**
      * A stylesheet for this group and its descendants. Stylesheet is not applied directly,
@@ -26,8 +26,8 @@ interface VisualGroup : Provider, VisualObject {
      */
     override fun provideTop(target: String): Map<Name, Any> =
         when (target) {
-            VisualObject.TYPE -> children.flatMap { (key, value) ->
+            Vision.TYPE -> children.flatMap { (key, value) ->
-                val res: Map<Name, Any> = if (value is VisualGroup) {
+                val res: Map<Name, Any> = if (value is VisionGroup) {
                     value.provideTop(target).mapKeys { key + it.key }
                 } else {
                     mapOf(key.asName() to value)
@@ -38,11 +38,11 @@ interface VisualGroup : Provider, VisualObject {
             else -> emptyMap()
         }
 
-    operator fun get(name: Name): VisualObject? {
+    operator fun get(name: Name): Vision? {
         return when {
             name.isEmpty() -> this
             name.length == 1 -> children[name.first()!!]
-            else -> (children[name.first()!!] as? VisualGroup)?.get(name.cutFirst())
+            else -> (children[name.first()!!] as? VisionGroup)?.get(name.cutFirst())
         }
     }
 
@@ -53,7 +53,7 @@ interface VisualGroup : Provider, VisualObject {
         styleSheet?.owner = this
         children.values.forEach {
             it.parent = this
-            (it as? VisualGroup)?.attachChildren()
+            (it as? VisionGroup)?.attachChildren()
         }
     }
 
@@ -65,34 +65,34 @@ interface VisualGroup : Provider, VisualObject {
 /**
  * Iterate over children of this group
  */
-operator fun VisualGroup.iterator(): Iterator<VisualObject> = children.values.iterator()
+operator fun VisionGroup.iterator(): Iterator<Vision> = children.values.iterator()
 
-val VisualGroup.isEmpty: Boolean get() = this.children.isEmpty()
+val VisionGroup.isEmpty: Boolean get() = this.children.isEmpty()
 
 /**
- * Mutable version of [VisualGroup]
+ * Mutable version of [VisionGroup]
  */
-interface MutableVisualGroup : VisualGroup {
+interface MutableVisionGroup : VisionGroup {
 
     /**
      * Add listener for children structure change.
      * @param owner the handler to properly remove listeners
      * @param action First argument of the action is the name of changed child. Second argument is the new value of the object.
      */
-    fun onChildrenChange(owner: Any?, action: (Name, VisualObject?) -> Unit)
+    fun onChildrenChange(owner: Any?, action: (Name, Vision?) -> Unit)
 
     /**
      * Remove children change listener
      */
     fun removeChildrenChangeListener(owner: Any?)
 
-    operator fun set(name: Name, child: VisualObject?)
+    operator fun set(name: Name, child: Vision?)
 }
 
-operator fun VisualGroup.get(str: String?): VisualObject? = get(str?.toName() ?: Name.EMPTY)
+operator fun VisionGroup.get(str: String?): Vision? = get(str?.toName() ?: Name.EMPTY)
 
-operator fun MutableVisualGroup.set(key: String, child: VisualObject?) {
+operator fun MutableVisionGroup.set(key: String, child: Vision?) {
     set(key.toName(), child)
 }
 
-fun MutableVisualGroup.removeAll() = children.keys.map { it.asName() }.forEach { this[it] = null }
+fun MutableVisionGroup.removeAll() = children.keys.map { it.asName() }.forEach { this[it] = null }

visionforge-core/src/commonMain/kotlin/hep/dataforge/vision/VisionManager.kt

@@ -4,16 +4,16 @@ import hep.dataforge.context.*
 import hep.dataforge.meta.Meta
 import kotlin.reflect.KClass
 
-interface VisualFactory<T : VisualObject> {
+interface VisualFactory<T : Vision> {
     val type: KClass<T>
     operator fun invoke(
         context: Context,
-        parent: VisualObject?,
+        parent: Vision?,
         meta: Meta
     ): T
 }
 
-class Visual(meta: Meta) : AbstractPlugin(meta) {
+class VisionManager(meta: Meta) : AbstractPlugin(meta) {
     override val tag: PluginTag get() = Companion.tag
 
     /**
@@ -23,17 +23,16 @@ class Visual(meta: Meta) : AbstractPlugin(meta) {
         context.content<VisualFactory<*>>(VISUAL_FACTORY_TYPE).mapKeys { it.value.type }
     }
 
-    inline fun <reified T : VisualObject> buildVisual(parent: VisualObject?, meta: Meta): T? {
+    inline fun <reified T : Vision> buildVisual(parent: Vision?, meta: Meta): T? {
         return visualFactories[T::class]?.invoke(context, parent, meta) as T?
     }
 
-    companion object : PluginFactory<Visual> {
+    companion object : PluginFactory<VisionManager> {
-        override val tag: PluginTag = PluginTag(name = "visual", group = PluginTag.DATAFORGE_GROUP)
+        override val tag: PluginTag = PluginTag(name = "vision", group = PluginTag.DATAFORGE_GROUP)
-        override val type: KClass<out Visual> = Visual::class
+        override val type: KClass<out VisionManager> = VisionManager::class
 
-        override fun invoke(meta: Meta, context: Context): Visual =
+        override fun invoke(meta: Meta, context: Context): VisionManager = VisionManager(meta)
-            Visual(meta)
 
-        const val VISUAL_FACTORY_TYPE = "visual.factory"
+        const val VISUAL_FACTORY_TYPE = "vision.factory"
     }
 }

visionforge-core/src/jvmMain/kotlin/hep/dataforge/vision/editor/VisualObjectEditorFragment.kt

@@ -4,7 +4,7 @@ import hep.dataforge.meta.Config
 import hep.dataforge.meta.Meta
 import hep.dataforge.meta.descriptors.NodeDescriptor
 import hep.dataforge.meta.update
-import hep.dataforge.vision.VisualObject
+import hep.dataforge.vision.Vision
 import hep.dataforge.vision.findStyle
 import javafx.beans.binding.Binding
 import javafx.beans.property.SimpleObjectProperty
@@ -13,16 +13,16 @@ import javafx.scene.Parent
 import javafx.scene.layout.VBox
 import tornadofx.*
 
-class VisualObjectEditorFragment(val selector: (VisualObject) -> Meta) : Fragment() {
+class VisualObjectEditorFragment(val selector: (Vision) -> Meta) : Fragment() {
 
-    val itemProperty = SimpleObjectProperty<VisualObject>()
+    val itemProperty = SimpleObjectProperty<Vision>()
-    var item: VisualObject? by itemProperty
+    var item: Vision? by itemProperty
     val descriptorProperty = SimpleObjectProperty<NodeDescriptor>()
 
     constructor(
-        item: VisualObject?,
+        item: Vision?,
         descriptor: NodeDescriptor?,
-        selector: (VisualObject) -> Config = { it.config }
+        selector: (Vision) -> Config = { it.config }
     ) : this(selector) {
         this.item = item
         this.descriptorProperty.set(descriptor)

visionforge-core/src/jvmMain/kotlin/hep/dataforge/vision/editor/VisualObjectTreeFragment.kt

@@ -1,20 +1,20 @@
 package hep.dataforge.vision.editor
 
-import hep.dataforge.vision.VisualGroup
+import hep.dataforge.vision.Vision
-import hep.dataforge.vision.VisualObject
+import hep.dataforge.vision.VisionGroup
 import javafx.beans.property.SimpleObjectProperty
 import javafx.scene.control.SelectionMode
 import javafx.scene.control.TreeItem
 import tornadofx.*
 
-private fun toTreeItem(visualObject: VisualObject, title: String): TreeItem<Pair<String, VisualObject>> {
+private fun toTreeItem(vision: Vision, title: String): TreeItem<Pair<String, Vision>> {
-    return object : TreeItem<Pair<String, VisualObject>>(title to visualObject) {
+    return object : TreeItem<Pair<String, Vision>>(title to vision) {
         init {
-            if (visualObject is VisualGroup) {
+            if (vision is VisionGroup) {
                 //lazy populate the tree
                 expandedProperty().onChange { expanded ->
                     if (expanded && children.isEmpty()) {
-                        children.setAll(visualObject.children.map {
+                        children.setAll(vision.children.map {
                             toTreeItem(it.value, it.key.toString())
                         })
                     }
@@ -23,21 +23,21 @@ private fun toTreeItem(visualObject: VisualObject, title: String): TreeItem<Pair
         }
 
         override fun isLeaf(): Boolean {
-            return !(visualObject is VisualGroup && visualObject.children.isNotEmpty())
+            return !(vision is VisionGroup && vision.children.isNotEmpty())
         }
     }
 }
 
 
 class VisualObjectTreeFragment : Fragment() {
-    val itemProperty = SimpleObjectProperty<VisualObject>()
+    val itemProperty = SimpleObjectProperty<Vision>()
-    var item: VisualObject? by itemProperty
+    var item: Vision? by itemProperty
 
-    val selectedProperty = SimpleObjectProperty<VisualObject>()
+    val selectedProperty = SimpleObjectProperty<Vision>()
 
     override val root = vbox {
         titledpane("Object tree", collapsible = false) {
-            treeview<Pair<String, VisualObject>> {
+            treeview<Pair<String, Vision>> {
                 cellFormat {
                     text = item.first
                 }

visionforge-gdml/src/commonMain/kotlin/hep/dataforge/vision/spatial/gdml/GDMLTransformer.kt

@@ -24,7 +24,7 @@ class GDMLTransformer(val root: GDML) {
     /**
      * A special group for local templates
      */
-    val proto by lazy { VisualGroup3D() }
+    val proto by lazy { VisionGroup3D() }
     private val styleCache = HashMap<Name, Meta>()
 
     var lUnit: LUnit = LUnit.MM
@@ -68,7 +68,7 @@ class GDMLTransformer(val root: GDML) {
 
     var onFinish: GDMLTransformer.() -> Unit = {}
 
-    internal fun finalize(final: VisualGroup3D): VisualGroup3D {
+    internal fun finalize(final: VisionGroup3D): VisionGroup3D {
         //final.prototypes = proto
         final.prototypes {
             proto.children.forEach { (token, item) ->

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

@@ -48,7 +48,7 @@ private inline operator fun Number.times(d: Double) = toDouble() * d
 @Suppress("NOTHING_TO_INLINE")
 private inline operator fun Number.times(f: Float) = toFloat() * f
 
-private fun VisualGroup3D.addSolid(
+private fun VisionGroup3D.addSolid(
     context: GDMLTransformer,
     solid: GDMLSolid,
     name: String = "",
@@ -154,7 +154,7 @@ private fun VisualGroup3D.addSolid(
 
 private val volumesName = "volumes".asName()
 
-private fun VisualGroup3D.addPhysicalVolume(
+private fun VisionGroup3D.addPhysicalVolume(
     context: GDMLTransformer,
     physVolume: GDMLPhysVolume
 ) {
@@ -194,7 +194,7 @@ private fun VisualGroup3D.addPhysicalVolume(
     }
 }
 
-private fun VisualGroup3D.addDivisionVolume(
+private fun VisionGroup3D.addDivisionVolume(
     context: GDMLTransformer,
     divisionVolume: GDMLDivisionVolume
 ) {
@@ -216,8 +216,8 @@ private val solidsName = "solids".asName()
 private fun volume(
     context: GDMLTransformer,
     group: GDMLGroup
-): VisualGroup3D {
+): VisionGroup3D {
-    return VisualGroup3D().apply {
+    return VisionGroup3D().apply {
         if (group is GDMLVolume) {
             val solid = group.solidref.resolve(context.root)
                 ?: error("Solid with tag ${group.solidref.ref} for volume ${group.name} not defined")
@@ -253,7 +253,7 @@ private fun volume(
     }
 }
 
-fun GDML.toVisual(block: GDMLTransformer.() -> Unit = {}): VisualGroup3D {
+fun GDML.toVisual(block: GDMLTransformer.() -> Unit = {}): VisionGroup3D {
     val context = GDMLTransformer(this).apply(block)
     return context.finalize(volume(context, world))
 }
@@ -261,7 +261,7 @@ fun GDML.toVisual(block: GDMLTransformer.() -> Unit = {}): VisualGroup3D {
 /**
  * Append gdml node to the group
  */
-fun VisualGroup3D.gdml(gdml: GDML, key: String = "", transformer: GDMLTransformer.() -> Unit = {}) {
+fun VisionGroup3D.gdml(gdml: GDML, key: String = "", transformer: GDMLTransformer.() -> Unit = {}) {
     val visual = gdml.toVisual(transformer)
     //println(Visual3DPlugin.json.stringify(VisualGroup3D.serializer(), visual))
     set(key, visual)

visionforge-gdml/src/jvmMain/kotlin/hep/dataforge/vision/spatial/gdml/visualGDMLJvm.kt

@@ -1,6 +1,6 @@
 package hep.dataforge.vision.spatial.gdml
 
-import hep.dataforge.vision.spatial.VisualGroup3D
+import hep.dataforge.vision.spatial.VisionGroup3D
 import nl.adaptivity.xmlutil.StAXReader
 import scientifik.gdml.GDML
 import java.nio.file.Files
@@ -11,7 +11,7 @@ fun GDML.Companion.readFile(file: Path): GDML {
     return format.parse(GDML.serializer(), xmlReader)
 }
 
-fun VisualGroup3D.gdml(file: Path, key: String = "", transformer: GDMLTransformer.() -> Unit = {}) {
+fun VisionGroup3D.gdml(file: Path, key: String = "", transformer: GDMLTransformer.() -> Unit = {}) {
     val gdml = GDML.readFile(file)
     gdml(gdml, key, transformer)
 }

visionforge-spatial/src/commonMain/kotlin/hep/dataforge/vision/spatial/Box.kt

@@ -54,7 +54,7 @@ class Box(
 
         override val type: KClass<Box> get() = Box::class
 
-        override fun invoke(context: Context, parent: VisualObject?, meta: Meta): Box = Box(
+        override fun invoke(context: Context, parent: Vision?, meta: Meta): Box = Box(
             meta["xSize"].float!!,
             meta["ySize"].float!!,
             meta["zSize"].float!!
@@ -64,7 +64,7 @@ class Box(
     }
 }
 
-inline fun MutableVisualGroup.box(
+inline fun MutableVisionGroup.box(
     xSize: Number,
     ySize: Number,
     zSize: Number,

visionforge-spatial/src/commonMain/kotlin/hep/dataforge/vision/spatial/Composite.kt

@@ -22,7 +22,7 @@ class Composite(
     val compositeType: CompositeType,
     val first: VisualObject3D,
     val second: VisualObject3D
-) : AbstractVisualObject(), VisualObject3D, VisualGroup {
+) : AbstractVisualObject(), VisualObject3D, VisionGroup {
 
     init {
         first.parent = this
@@ -35,19 +35,19 @@ class Composite(
 
     override var ownProperties: Config? = null
 
-    override val children: Map<NameToken, VisualObject>
+    override val children: Map<NameToken, Vision>
         get() = mapOf(NameToken("first") to first, NameToken("second") to second)
 
     override val styleSheet: StyleSheet?
         get() = null
 }
 
-inline fun MutableVisualGroup.composite(
+inline fun MutableVisionGroup.composite(
     type: CompositeType,
     name: String = "",
-    builder: VisualGroup3D.() -> Unit
+    builder: VisionGroup3D.() -> Unit
 ): Composite {
-    val group = VisualGroup3D().apply(builder)
+    val group = VisionGroup3D().apply(builder)
     val children = group.children.values.filterIsInstance<VisualObject3D>()
     if (children.size != 2) error("Composite requires exactly two children")
     return Composite(type, children[0], children[1]).also {
@@ -67,11 +67,11 @@ inline fun MutableVisualGroup.composite(
     }
 }
 
-inline fun MutableVisualGroup.union(name: String = "", builder: VisualGroup3D.() -> Unit) =
+inline fun MutableVisionGroup.union(name: String = "", builder: VisionGroup3D.() -> Unit) =
     composite(CompositeType.UNION, name, builder = builder)
 
-inline fun MutableVisualGroup.subtract(name: String = "", builder: VisualGroup3D.() -> Unit) =
+inline fun MutableVisionGroup.subtract(name: String = "", builder: VisionGroup3D.() -> Unit) =
     composite(CompositeType.SUBTRACT, name, builder = builder)
 
-inline fun MutableVisualGroup.intersect(name: String = "", builder: VisualGroup3D.() -> Unit) =
+inline fun MutableVisionGroup.intersect(name: String = "", builder: VisionGroup3D.() -> Unit) =
     composite(CompositeType.INTERSECT, name, builder = builder)

visionforge-spatial/src/commonMain/kotlin/hep/dataforge/vision/spatial/ConeSegment.kt

@@ -4,7 +4,7 @@ package hep.dataforge.vision.spatial
 
 import hep.dataforge.meta.Config
 import hep.dataforge.vision.AbstractVisualObject
-import hep.dataforge.vision.MutableVisualGroup
+import hep.dataforge.vision.MutableVisionGroup
 import hep.dataforge.vision.set
 import kotlinx.serialization.SerialName
 import kotlinx.serialization.Serializable
@@ -75,7 +75,7 @@ class ConeSegment(
 
 }
 
-inline fun MutableVisualGroup.cylinder(
+inline fun MutableVisionGroup.cylinder(
     r: Number,
     height: Number,
     name: String = "",
@@ -87,7 +87,7 @@ inline fun MutableVisualGroup.cylinder(
 ).apply(block).also { set(name, it) }
 
 
-inline fun MutableVisualGroup.cone(
+inline fun MutableVisionGroup.cone(
     bottomRadius: Number,
     height: Number,
     upperRadius: Number = 0.0,

visionforge-spatial/src/commonMain/kotlin/hep/dataforge/vision/spatial/Convex.kt

@@ -4,7 +4,7 @@ package hep.dataforge.vision.spatial
 
 import hep.dataforge.meta.Config
 import hep.dataforge.vision.AbstractVisualObject
-import hep.dataforge.vision.MutableVisualGroup
+import hep.dataforge.vision.MutableVisionGroup
 import hep.dataforge.vision.set
 import kotlinx.serialization.SerialName
 import kotlinx.serialization.Serializable
@@ -25,7 +25,7 @@ class Convex(val points: List<Point3D>) : AbstractVisualObject(), VisualObject3D
     }
 }
 
-inline fun MutableVisualGroup.convex(name: String = "", action: ConvexBuilder.() -> Unit = {}) =
+inline fun MutableVisionGroup.convex(name: String = "", action: ConvexBuilder.() -> Unit = {}) =
     ConvexBuilder().apply(action).build().also { set(name, it) }
 
 class ConvexBuilder {

visionforge-spatial/src/commonMain/kotlin/hep/dataforge/vision/spatial/Extruded.kt

@@ -3,7 +3,7 @@ package hep.dataforge.vision.spatial
 
 import hep.dataforge.meta.Config
 import hep.dataforge.vision.AbstractVisualObject
-import hep.dataforge.vision.MutableVisualGroup
+import hep.dataforge.vision.MutableVisionGroup
 import hep.dataforge.vision.set
 import kotlinx.serialization.SerialName
 import kotlinx.serialization.Serializable
@@ -112,5 +112,5 @@ class Extruded(
     }
 }
 
-fun MutableVisualGroup.extrude(name: String = "", action: Extruded.() -> Unit = {}) =
+fun MutableVisionGroup.extrude(name: String = "", action: Extruded.() -> Unit = {}) =
     Extruded().apply(action).also { set(name, it) }

visionforge-spatial/src/commonMain/kotlin/hep/dataforge/vision/spatial/Label3D.kt

@@ -4,7 +4,7 @@ package hep.dataforge.vision.spatial
 
 import hep.dataforge.meta.Config
 import hep.dataforge.vision.AbstractVisualObject
-import hep.dataforge.vision.MutableVisualGroup
+import hep.dataforge.vision.MutableVisionGroup
 import hep.dataforge.vision.set
 import kotlinx.serialization.SerialName
 import kotlinx.serialization.Serializable
@@ -21,7 +21,7 @@ class Label3D(var text: String, var fontSize: Double, var fontFamily: String) :
 
 }
 
-fun MutableVisualGroup.label(
+fun MutableVisionGroup.label(
     text: String,
     fontSize: Number = 20,
     fontFamily: String = "Arial",

visionforge-spatial/src/commonMain/kotlin/hep/dataforge/vision/spatial/PolyLine.kt

@@ -7,7 +7,7 @@ import hep.dataforge.meta.number
 import hep.dataforge.names.asName
 import hep.dataforge.names.plus
 import hep.dataforge.vision.AbstractVisualObject
-import hep.dataforge.vision.MutableVisualGroup
+import hep.dataforge.vision.MutableVisionGroup
 import hep.dataforge.vision.set
 import kotlinx.serialization.SerialName
 import kotlinx.serialization.Serializable
@@ -31,5 +31,5 @@ class PolyLine(var points: List<Point3D>) : AbstractVisualObject(), VisualObject
 
 }
 
-fun MutableVisualGroup.polyline(vararg points: Point3D, name: String = "", action: PolyLine.() -> Unit = {}) =
+fun MutableVisionGroup.polyline(vararg points: Point3D, name: String = "", action: PolyLine.() -> Unit = {}) =
     PolyLine(points.toList()).apply(action).also { set(name, it) }

visionforge-spatial/src/commonMain/kotlin/hep/dataforge/vision/spatial/Proxy.kt

@@ -22,9 +22,9 @@ import kotlin.collections.set
 @SerialName("3d.proxy")
 class Proxy private constructor(
     val templateName: Name
-) : AbstractVisualObject(), VisualGroup, VisualObject3D {
+) : AbstractVisualObject(), VisionGroup, VisualObject3D {
 
-    constructor(parent: VisualGroup3D, templateName: Name) : this(templateName) {
+    constructor(parent: VisionGroup3D, templateName: Name) : this(templateName) {
         this.parent = parent
     }
 
@@ -38,7 +38,7 @@ class Proxy private constructor(
      * Recursively search for defined template in the parent
      */
     val prototype: VisualObject3D
-        get() = (parent as? VisualGroup3D)?.getPrototype(templateName)
+        get() = (parent as? VisionGroup3D)?.getPrototype(templateName)
             ?: error("Prototype with name $templateName not found in $parent")
 
     override val styleSheet: StyleSheet
@@ -64,7 +64,7 @@ class Proxy private constructor(
     }
 
     override val children: Map<NameToken, ProxyChild>
-        get() = (prototype as? VisualGroup)?.children
+        get() = (prototype as? VisionGroup)?.children
             ?.filter { !it.key.toString().startsWith("@") }
             ?.mapValues {
                 ProxyChild(it.key.asName())
@@ -77,8 +77,8 @@ class Proxy private constructor(
         return NameToken(PROXY_CHILD_PROPERTY_PREFIX, childName.toString()) + propertyName
     }
 
-    private fun prototypeFor(name: Name): VisualObject {
+    private fun prototypeFor(name: Name): Vision {
-        return (prototype as? VisualGroup)?.get(name)
+        return (prototype as? VisionGroup)?.get(name)
             ?: error("Prototype with name $name not found in $this")
     }
 
@@ -95,14 +95,14 @@ class Proxy private constructor(
         get() = prototype.descriptor
 
     inner class ProxyChild(val name: Name) : AbstractVisualObject(),
-        VisualGroup {
+        VisionGroup {
 
-        val prototype: VisualObject get() = prototypeFor(name)
+        val prototype: Vision get() = prototypeFor(name)
 
         override val styleSheet: StyleSheet get() = this@Proxy.styleSheet
 
-        override val children: Map<NameToken, VisualObject>
+        override val children: Map<NameToken, Vision>
-            get() = (prototype as? VisualGroup)?.children?.mapValues { (key, _) ->
+            get() = (prototype as? VisionGroup)?.children?.mapValues { (key, _) ->
                 ProxyChild(
                     name + key.asName()
                 )
@@ -159,7 +159,7 @@ class Proxy private constructor(
     }
 }
 
-val VisualObject.prototype: VisualObject
+val Vision.prototype: Vision
     get() = when (this) {
         is Proxy -> prototype
         is Proxy.ProxyChild -> prototype
@@ -169,7 +169,7 @@ val VisualObject.prototype: VisualObject
 /**
  * Create ref for existing prototype
  */
-fun VisualGroup3D.ref(
+fun VisionGroup3D.ref(
     templateName: Name,
     name: String = ""
 ): Proxy = Proxy(this, templateName).also { set(name, it) }
@@ -177,7 +177,7 @@ fun VisualGroup3D.ref(
 /**
  * Add new proxy wrapping given object and automatically adding it to the prototypes
  */
-fun VisualGroup3D.proxy(
+fun VisionGroup3D.proxy(
     name: String,
     obj: VisualObject3D,
     templateName: Name = name.toName()
@@ -193,11 +193,11 @@ fun VisualGroup3D.proxy(
     return ref(templateName, name)
 }
 
-fun VisualGroup3D.proxyGroup(
+fun VisionGroup3D.proxyGroup(
     name: String,
     templateName: Name = name.toName(),
-    block: MutableVisualGroup.() -> Unit
+    block: MutableVisionGroup.() -> Unit
 ): Proxy {
-    val group = VisualGroup3D().apply (block)
+    val group = VisionGroup3D().apply (block)
     return proxy(name, group, templateName)
 }

visionforge-spatial/src/commonMain/kotlin/hep/dataforge/vision/spatial/Sphere.kt

@@ -4,7 +4,7 @@ package hep.dataforge.vision.spatial
 
 import hep.dataforge.meta.Config
 import hep.dataforge.vision.AbstractVisualObject
-import hep.dataforge.vision.MutableVisualGroup
+import hep.dataforge.vision.MutableVisionGroup
 import hep.dataforge.vision.set
 import kotlinx.serialization.SerialName
 import kotlinx.serialization.Serializable
@@ -60,7 +60,7 @@ class Sphere(
     }
 }
 
-inline fun MutableVisualGroup.sphere(
+inline fun MutableVisionGroup.sphere(
     radius: Number,
     phi: Number = 2 * PI,
     theta: Number = PI,

visionforge-spatial/src/commonMain/kotlin/hep/dataforge/vision/spatial/Tube.kt

@@ -4,7 +4,7 @@ package hep.dataforge.vision.spatial
 
 import hep.dataforge.meta.Config
 import hep.dataforge.vision.AbstractVisualObject
-import hep.dataforge.vision.MutableVisualGroup
+import hep.dataforge.vision.MutableVisionGroup
 import hep.dataforge.vision.set
 import kotlinx.serialization.SerialName
 import kotlinx.serialization.Serializable
@@ -129,7 +129,7 @@ class Tube(
 
 }
 
-inline fun MutableVisualGroup.tube(
+inline fun MutableVisionGroup.tube(
     r: Number,
     height: Number,
     innerRadius: Number = 0f,

visionforge-spatial/src/commonMain/kotlin/hep/dataforge/vision/spatial/VisionGroup3D.kt

@@ -15,8 +15,8 @@ import kotlinx.serialization.UseSerializers
 import kotlin.collections.set
 
 interface PrototypeHolder {
-    val parent: VisualGroup?
+    val parent: VisionGroup?
-    val prototypes: MutableVisualGroup?
+    val prototypes: MutableVisionGroup?
 }
 
 /**
@@ -24,7 +24,7 @@ interface PrototypeHolder {
  */
 @Serializable
 @SerialName("group.3d")
-class VisualGroup3D : AbstractVisualGroup(), VisualObject3D, PrototypeHolder {
+class VisionGroup3D : AbstractVision(), VisualObject3D, PrototypeHolder {
 
     override var styleSheet: StyleSheet? = null
 
@@ -32,13 +32,13 @@ class VisualGroup3D : AbstractVisualGroup(), VisualObject3D, PrototypeHolder {
      * A container for templates visible inside this group
      */
     @Serializable(PrototypesSerializer::class)
-    override var prototypes: MutableVisualGroup? = null
+    override var prototypes: MutableVisionGroup? = null
         private set
 
     /**
      * Create or edit prototype node as a group
      */
-    fun prototypes(builder: MutableVisualGroup.() -> Unit): Unit {
+    fun prototypes(builder: MutableVisionGroup.() -> Unit): Unit {
         (prototypes ?: Prototypes().also {
             prototypes = it
             attach(it)
@@ -53,8 +53,8 @@ class VisualGroup3D : AbstractVisualGroup(), VisualObject3D, PrototypeHolder {
     override var scale: Point3D? = null
 
     @SerialName("children")
-    private val _children = HashMap<NameToken, VisualObject>()
+    private val _children = HashMap<NameToken, Vision>()
-    override val children: Map<NameToken, VisualObject> get() = _children
+    override val children: Map<NameToken, Vision> get() = _children
 
     override fun attachChildren() {
         prototypes?.parent = this
@@ -66,7 +66,7 @@ class VisualGroup3D : AbstractVisualGroup(), VisualObject3D, PrototypeHolder {
         _children.remove(token)?.apply { parent = null }
     }
 
-    override fun setChild(token: NameToken, child: VisualObject) {
+    override fun setChild(token: NameToken, child: Vision) {
         _children[token] = child
     }
 
@@ -75,13 +75,13 @@ class VisualGroup3D : AbstractVisualGroup(), VisualObject3D, PrototypeHolder {
 //     */
 //    override fun addStatic(child: VisualObject) = setChild(NameToken("@static(${child.hashCode()})"), child)
 
-    override fun createGroup(): VisualGroup3D = VisualGroup3D()
+    override fun createGroup(): VisionGroup3D = VisionGroup3D()
 
 
     companion object {
 //        val PROTOTYPES_KEY = NameToken("@prototypes")
 
-        fun parseJson(json: String): VisualGroup3D =
+        fun parseJson(json: String): VisionGroup3D =
             Visual3D.json.parse(serializer(), json).also { it.attachChildren() }
     }
 }
@@ -95,14 +95,14 @@ tailrec fun PrototypeHolder.getPrototype(name: Name): VisualObject3D? =
 /**
  * Define a group with given [name], attach it to this parent and return it.
  */
-fun MutableVisualGroup.group(name: String = "", action: VisualGroup3D.() -> Unit = {}): VisualGroup3D =
+fun MutableVisionGroup.group(name: String = "", action: VisionGroup3D.() -> Unit = {}): VisionGroup3D =
-    VisualGroup3D().apply(action).also {
+    VisionGroup3D().apply(action).also {
         set(name, it)
     }
 
 internal class Prototypes(
-    override var children: MutableMap<NameToken, VisualObject> = LinkedHashMap()
+    override var children: MutableMap<NameToken, Vision> = LinkedHashMap()
-) : AbstractVisualGroup(), MutableVisualGroup, PrototypeHolder {
+) : AbstractVision(), MutableVisionGroup, PrototypeHolder {
 
     override var styleSheet: StyleSheet?
         get() = null
@@ -115,11 +115,11 @@ internal class Prototypes(
         childrenChanged(token.asName(), null)
     }
 
-    override fun setChild(token: NameToken, child: VisualObject) {
+    override fun setChild(token: NameToken, child: Vision) {
         children[token] = child
     }
 
-    override fun createGroup() = SimpleVisualGroup()
+    override fun createGroup() = SimpleVisionGroup()
 
     override var ownProperties: Config?
         get() = null
@@ -127,12 +127,12 @@ internal class Prototypes(
             error("Can't define properties for prototypes block")
         }
 
-    override val prototypes: MutableVisualGroup get() = this
+    override val prototypes: MutableVisionGroup get() = this
 
     override fun attachChildren() {
         children.values.forEach {
             it.parent = parent
-            (it as? VisualGroup)?.attachChildren()
+            (it as? VisionGroup)?.attachChildren()
         }
     }
 }

visionforge-spatial/src/commonMain/kotlin/hep/dataforge/vision/spatial/Visual3D.kt

@@ -7,9 +7,9 @@ import hep.dataforge.context.PluginTag
 import hep.dataforge.meta.*
 import hep.dataforge.names.Name
 import hep.dataforge.names.toName
-import hep.dataforge.vision.SimpleVisualGroup
+import hep.dataforge.vision.SimpleVisionGroup
-import hep.dataforge.vision.Visual
+import hep.dataforge.vision.Vision
-import hep.dataforge.vision.VisualObject
+import hep.dataforge.vision.VisionManager
 import kotlinx.serialization.UnstableDefault
 import kotlinx.serialization.json.Json
 import kotlinx.serialization.json.JsonConfiguration
@@ -19,11 +19,11 @@ import kotlin.reflect.KClass
 
 class Visual3D(meta: Meta) : AbstractPlugin(meta) {
 
-    val visual by require(Visual)
+    val visual by require(VisionManager)
 
     override val tag: PluginTag get() = Companion.tag
 
-    override fun provideTop(target: String): Map<Name, Any> = if (target == Visual.VISUAL_FACTORY_TYPE) {
+    override fun provideTop(target: String): Map<Name, Any> = if (target == VisionManager.VISUAL_FACTORY_TYPE) {
         mapOf(Box.TYPE_NAME.toName() to Box)
     } else {
         super.provideTop(target)
@@ -39,9 +39,9 @@ class Visual3D(meta: Meta) : AbstractPlugin(meta) {
             contextual(Point3DSerializer)
             contextual(Point2DSerializer)
 
-            polymorphic(VisualObject::class, VisualObject3D::class) {
+            polymorphic(Vision::class, VisualObject3D::class) {
-                subclass(SimpleVisualGroup.serializer())
+                subclass(SimpleVisionGroup.serializer())
-                subclass(VisualGroup3D.serializer())
+                subclass(VisionGroup3D.serializer())
                 subclass(Proxy.serializer())
                 subclass(Composite.serializer())
                 subclass(Tube.serializer())

visionforge-spatial/src/commonMain/kotlin/hep/dataforge/vision/spatial/VisualObject3D.kt

@@ -9,7 +9,7 @@ import hep.dataforge.names.plus
 import hep.dataforge.output.Renderer
 import hep.dataforge.values.ValueType
 import hep.dataforge.values.asValue
-import hep.dataforge.vision.VisualObject
+import hep.dataforge.vision.Vision
 import hep.dataforge.vision.enum
 import hep.dataforge.vision.spatial.VisualObject3D.Companion.DETAIL_KEY
 import hep.dataforge.vision.spatial.VisualObject3D.Companion.IGNORE_KEY
@@ -18,9 +18,9 @@ import hep.dataforge.vision.spatial.VisualObject3D.Companion.VISIBLE_KEY
 import kotlinx.serialization.UseSerializers
 
 /**
- * Interface for 3-dimensional [VisualObject]
+ * Interface for 3-dimensional [Vision]
  */
-interface VisualObject3D : VisualObject {
+interface VisualObject3D : Vision {
     var position: Point3D?
     var rotation: Point3D?
     var scale: Point3D?
@@ -70,7 +70,7 @@ interface VisualObject3D : VisualObject {
                 }
 
                 //TODO replace by descriptor merge
-                value(VisualObject.STYLE_KEY) {
+                value(Vision.STYLE_KEY) {
                     type(ValueType.STRING)
                     multiple = true
                 }
@@ -92,8 +92,8 @@ var VisualObject3D.layer: Int
         setItem(LAYER_KEY, value.asValue())
     }
 
-fun Renderer<VisualObject3D>.render(meta: Meta = Meta.EMPTY, action: VisualGroup3D.() -> Unit) =
+fun Renderer<VisualObject3D>.render(meta: Meta = Meta.EMPTY, action: VisionGroup3D.() -> Unit) =
-    render(VisualGroup3D().apply(action), meta)
+    render(VisionGroup3D().apply(action), meta)
 
 // Common properties
 
@@ -121,7 +121,7 @@ var VisualObject3D.detail: Int?
     get() = getProperty(DETAIL_KEY, false).int
     set(value) = setItem(DETAIL_KEY, value?.asValue())
 
-var VisualObject.visible: Boolean?
+var Vision.visible: Boolean?
     get() = getItem(VISIBLE_KEY).boolean
     set(value) = setItem(VISIBLE_KEY, value?.asValue())
 
@@ -129,7 +129,7 @@ var VisualObject.visible: Boolean?
  * If this property is true, the object will be ignored on render.
  * Property is not inherited.
  */
-var VisualObject.ignore: Boolean?
+var Vision.ignore: Boolean?
     get() = getProperty(IGNORE_KEY, false).boolean
     set(value) = setItem(IGNORE_KEY, value?.asValue())
 

visionforge-spatial/src/commonMain/kotlin/hep/dataforge/vision/spatial/serialization.kt

@@ -2,9 +2,9 @@ package hep.dataforge.vision.spatial
 
 import hep.dataforge.meta.double
 import hep.dataforge.names.NameToken
-import hep.dataforge.vision.MutableVisualGroup
+import hep.dataforge.vision.MutableVisionGroup
-import hep.dataforge.vision.VisualGroup
+import hep.dataforge.vision.Vision
-import hep.dataforge.vision.VisualObject
+import hep.dataforge.vision.VisionGroup
 import kotlinx.serialization.*
 import kotlinx.serialization.builtins.MapSerializer
 import kotlinx.serialization.builtins.nullable
@@ -97,31 +97,31 @@ object Point2DSerializer : KSerializer<Point2D> {
     }
 }
 
-@Serializer(MutableVisualGroup::class)
+@Serializer(MutableVisionGroup::class)
-internal object PrototypesSerializer : KSerializer<MutableVisualGroup> {
+internal object PrototypesSerializer : KSerializer<MutableVisionGroup> {
 
-    private val mapSerializer: KSerializer<Map<NameToken, VisualObject>> =
+    private val mapSerializer: KSerializer<Map<NameToken, Vision>> =
         MapSerializer(
             NameToken.serializer(),
-            VisualObject.serializer()
+            Vision.serializer()
         )
 
     override val descriptor: SerialDescriptor get() = mapSerializer.descriptor
 
-    override fun deserialize(decoder: Decoder): MutableVisualGroup {
+    override fun deserialize(decoder: Decoder): MutableVisionGroup {
         val map = mapSerializer.deserialize(decoder)
-        return Prototypes(map as? MutableMap<NameToken, VisualObject> ?: LinkedHashMap(map))
+        return Prototypes(map as? MutableMap<NameToken, Vision> ?: LinkedHashMap(map))
     }
 
-    override fun serialize(encoder: Encoder, value: MutableVisualGroup) {
+    override fun serialize(encoder: Encoder, value: MutableVisionGroup) {
         mapSerializer.serialize(encoder, value.children)
     }
 }
 
-fun VisualObject.stringify(): String = Visual3D.json.stringify(VisualObject.serializer(), this)
+fun Vision.stringify(): String = Visual3D.json.stringify(Vision.serializer(), this)
 
-fun VisualObject.Companion.parseJson(str: String) = Visual3D.json.parse(VisualObject.serializer(), str).also {
+fun Vision.Companion.parseJson(str: String) = Visual3D.json.parse(Vision.serializer(), str).also {
-    if(it is VisualGroup){
+    if(it is VisionGroup){
         it.attachChildren()
     }
 }

visionforge-spatial/src/commonMain/kotlin/hep/dataforge/vision/spatial/transform/RemoveSingleChild.kt

@@ -2,12 +2,12 @@ package hep.dataforge.vision.spatial.transform
 
 import hep.dataforge.meta.update
 import hep.dataforge.names.asName
-import hep.dataforge.vision.MutableVisualGroup
+import hep.dataforge.vision.MutableVisionGroup
-import hep.dataforge.vision.VisualGroup
+import hep.dataforge.vision.Vision
-import hep.dataforge.vision.VisualObject
+import hep.dataforge.vision.VisionGroup
 import hep.dataforge.vision.spatial.*
 
-internal fun mergeChild(parent: VisualGroup, child: VisualObject): VisualObject {
+internal fun mergeChild(parent: VisionGroup, child: Vision): Vision {
     return child.apply {
 
         config.update(parent.config)
@@ -32,16 +32,16 @@ internal fun mergeChild(parent: VisualGroup, child: VisualObject): VisualObject
     }
 }
 
-object RemoveSingleChild : VisualTreeTransform<VisualGroup3D>() {
+object RemoveSingleChild : VisualTreeTransform<VisionGroup3D>() {
 
-    override fun VisualGroup3D.transformInPlace() {
+    override fun VisionGroup3D.transformInPlace() {
-        fun MutableVisualGroup.replaceChildren() {
+        fun MutableVisionGroup.replaceChildren() {
             children.forEach { (childName, parent) ->
                 if (parent is Proxy) return@forEach //ignore refs
-                if (parent is MutableVisualGroup) {
+                if (parent is MutableVisionGroup) {
                     parent.replaceChildren()
                 }
-                if (parent is VisualGroup && parent.children.size == 1) {
+                if (parent is VisionGroup && parent.children.size == 1) {
                     val child = parent.children.values.first()
                     val newParent = mergeChild(parent, child)
                     newParent.parent = null
@@ -56,7 +56,7 @@ object RemoveSingleChild : VisualTreeTransform<VisualGroup3D>() {
         }
     }
 
-    override fun VisualGroup3D.clone(): VisualGroup3D {
+    override fun VisionGroup3D.clone(): VisionGroup3D {
         TODO()
     }
 }

visionforge-spatial/src/commonMain/kotlin/hep/dataforge/vision/spatial/transform/UnRef.kt

@@ -2,15 +2,15 @@ package hep.dataforge.vision.spatial.transform
 
 import hep.dataforge.names.Name
 import hep.dataforge.names.asName
-import hep.dataforge.vision.MutableVisualGroup
+import hep.dataforge.vision.MutableVisionGroup
-import hep.dataforge.vision.VisualGroup
+import hep.dataforge.vision.VisionGroup
 import hep.dataforge.vision.spatial.Proxy
-import hep.dataforge.vision.spatial.VisualGroup3D
+import hep.dataforge.vision.spatial.VisionGroup3D
 
-object UnRef : VisualTreeTransform<VisualGroup3D>() {
+object UnRef : VisualTreeTransform<VisionGroup3D>() {
-    private fun VisualGroup.countRefs(): Map<Name, Int> {
+    private fun VisionGroup.countRefs(): Map<Name, Int> {
         return children.values.fold(HashMap()) { reducer, obj ->
-            if (obj is VisualGroup) {
+            if (obj is VisionGroup) {
                 val counter = obj.countRefs()
                 counter.forEach { (key, value) ->
                     reducer[key] = (reducer[key] ?: 0) + value
@@ -23,8 +23,8 @@ object UnRef : VisualTreeTransform<VisualGroup3D>() {
         }
     }
 
-    private fun MutableVisualGroup.unref(name: Name) {
+    private fun MutableVisionGroup.unref(name: Name) {
-        (this as? VisualGroup3D)?.prototypes?.set(name, null)
+        (this as? VisionGroup3D)?.prototypes?.set(name, null)
         children.filter { (it.value as? Proxy)?.templateName == name }.forEach { (key, value) ->
             val proxy = value as Proxy
             val newChild = mergeChild(proxy, proxy.prototype)
@@ -32,17 +32,17 @@ object UnRef : VisualTreeTransform<VisualGroup3D>() {
             set(key.asName(), newChild) // replace proxy with merged object
         }
 
-        children.values.filterIsInstance<MutableVisualGroup>().forEach { it.unref(name) }
+        children.values.filterIsInstance<MutableVisionGroup>().forEach { it.unref(name) }
     }
 
-    override fun VisualGroup3D.transformInPlace() {
+    override fun VisionGroup3D.transformInPlace() {
         val counts = countRefs()
         counts.filter { it.value <= 1 }.forEach {
             this.unref(it.key)
         }
     }
 
-    override fun VisualGroup3D.clone(): VisualGroup3D {
+    override fun VisionGroup3D.clone(): VisionGroup3D {
         TODO()
     }
 

visionforge-spatial/src/commonMain/kotlin/hep/dataforge/vision/spatial/transform/VisualTreeTransform.kt

@@ -1,11 +1,11 @@
 package hep.dataforge.vision.spatial.transform
 
-import hep.dataforge.vision.VisualObject
+import hep.dataforge.vision.Vision
 
 /**
- * A root class for [VisualObject] tree optimization
+ * A root class for [Vision] tree optimization
  */
-abstract class VisualTreeTransform<T : VisualObject> {
+abstract class VisualTreeTransform<T : Vision> {
     protected abstract fun T.transformInPlace()
     protected abstract fun T.clone(): T
 
@@ -21,7 +21,7 @@ abstract class VisualTreeTransform<T : VisualObject> {
     }
 }
 
-fun <T : VisualObject> T.transform(vararg transform: VisualTreeTransform<T>): T {
+fun <T : Vision> T.transform(vararg transform: VisualTreeTransform<T>): T {
     var res = this
     transform.forEach {
         res = it(res)
@@ -29,6 +29,6 @@ fun <T : VisualObject> T.transform(vararg transform: VisualTreeTransform<T>): T
     return res
 }
 
-fun <T : VisualObject> T.transformInPlace(vararg transform: VisualTreeTransform<in T>) {
+fun <T : Vision> T.transformInPlace(vararg transform: VisualTreeTransform<in T>) {
     transform.forEach { it(this) }
 }

visionforge-spatial/src/commonTest/kotlin/hep/dataforge/vision/spatial/ConvexTest.kt

@@ -11,7 +11,7 @@ class ConvexTest {
     @Suppress("UNUSED_VARIABLE")
     @Test
     fun testConvexBuilder() {
-        val group = VisualGroup3D().apply {
+        val group = VisionGroup3D().apply {
             convex {
                 point(50, 50, -50)
                 point(50, -50, -50)

visionforge-spatial/src/commonTest/kotlin/hep/dataforge/vision/spatial/GroupTest.kt

@@ -9,7 +9,7 @@ import kotlin.test.assertEquals
 class GroupTest {
     @Test
     fun testGroupWithComposite() {
-        val group = VisualGroup3D().apply {
+        val group = VisionGroup3D().apply {
             union("union") {
                 box(100, 100, 100) {
                     z = 100

visionforge-spatial/src/commonTest/kotlin/hep/dataforge/vision/spatial/PropertyTest.kt

@@ -12,7 +12,7 @@ class PropertyTest {
     @Test
     fun testInheritedProperty() {
         var box: Box? = null
-        val group = VisualGroup3D().apply {
+        val group = VisionGroup3D().apply {
             config["test"] = 22
             group {
                 box = box(100, 100, 100)
@@ -24,7 +24,7 @@ class PropertyTest {
     @Test
     fun testStyleProperty() {
         var box: Box? = null
-        val group = VisualGroup3D().apply {
+        val group = VisionGroup3D().apply {
             styleSheet {
                 set("testStyle") {
                     "test" put 22
@@ -42,7 +42,7 @@ class PropertyTest {
     @Test
     fun testColor() {
         var box: Box? = null
-        val group = VisualGroup3D().apply {
+        val group = VisionGroup3D().apply {
             styleSheet {
                 set("testStyle") {
                     Material3D.MATERIAL_COLOR_KEY put "#555555"
@@ -60,7 +60,7 @@ class PropertyTest {
     @Test
     fun testProxyStyleProperty() {
         var box: Proxy? = null
-        val group = VisualGroup3D().apply {
+        val group = VisionGroup3D().apply {
             styleSheet {
                 set("testStyle") {
                     Material3D.MATERIAL_COLOR_KEY put "#555555"

visionforge-spatial/src/commonTest/kotlin/hep/dataforge/vision/spatial/SerializationTest.kt

@@ -1,7 +1,7 @@
 package hep.dataforge.vision.spatial
 
 import hep.dataforge.names.toName
-import hep.dataforge.vision.VisualObject
+import hep.dataforge.vision.Vision
 import hep.dataforge.vision.get
 import kotlin.test.Test
 import kotlin.test.assertEquals
@@ -16,7 +16,7 @@ class SerializationTest {
         }
         val string =  cube.stringify()
         println(string)
-        val newCube = VisualObject.parseJson(string)
+        val newCube = Vision.parseJson(string)
         assertEquals(cube.config, newCube.config)
     }
 
@@ -27,7 +27,7 @@ class SerializationTest {
             x = 100
             z = -100
         }
-        val group = VisualGroup3D().apply {
+        val group = VisionGroup3D().apply {
             proxy("cube", cube)
             proxyGroup("pg", "pg.content".toName()){
                 sphere(50){
@@ -37,7 +37,7 @@ class SerializationTest {
         }
         val string = group.stringify()
         println(string)
-        val reconstructed = VisualGroup3D.parseJson(string)
+        val reconstructed = VisionGroup3D.parseJson(string)
         assertEquals(group["cube"]?.config, reconstructed["cube"]?.config)
     }
 }

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

@@ -3,7 +3,7 @@ package hep.dataforge.vision.spatial.three
 import hep.dataforge.names.Name
 import hep.dataforge.names.startsWith
 import hep.dataforge.provider.Type
-import hep.dataforge.vision.VisualObject
+import hep.dataforge.vision.Vision
 import hep.dataforge.vision.spatial.*
 import hep.dataforge.vision.spatial.Material3D.Companion.MATERIAL_KEY
 import hep.dataforge.vision.spatial.three.ThreeFactory.Companion.TYPE
@@ -17,7 +17,7 @@ import kotlin.reflect.KClass
  * Builder and updater for three.js object
  */
 @Type(TYPE)
-interface ThreeFactory<in T : VisualObject> {
+interface ThreeFactory<in T : Vision> {
 
     val type: KClass<in T>
 
@@ -31,7 +31,7 @@ interface ThreeFactory<in T : VisualObject> {
 /**
  * Update position, rotation and visibility
  */
-fun Object3D.updatePosition(obj: VisualObject) {
+fun Object3D.updatePosition(obj: Vision) {
     visible = obj.visible ?: true
     if(obj is VisualObject3D) {
         position.set(obj.x, obj.y, obj.z)
@@ -56,7 +56,7 @@ fun Object3D.updatePosition(obj: VisualObject) {
 /**
  * Update non-position non-geometry property
  */
-fun Object3D.updateProperty(source: VisualObject, propertyName: Name) {
+fun Object3D.updateProperty(source: Vision, propertyName: Name) {
     if (this is Mesh && propertyName.startsWith(MATERIAL_KEY)) {
         this.material = getMaterial(source)
     } else if (

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

@@ -3,7 +3,7 @@ package hep.dataforge.vision.spatial.three
 import hep.dataforge.meta.*
 import hep.dataforge.values.ValueType
 import hep.dataforge.vision.Colors
-import hep.dataforge.vision.VisualObject
+import hep.dataforge.vision.Vision
 import hep.dataforge.vision.spatial.Material3D
 import info.laht.threekt.materials.LineBasicMaterial
 import info.laht.threekt.materials.Material
@@ -43,8 +43,8 @@ object ThreeMaterials {
         }
     }
 
-    fun getMaterial(visualObject3D: VisualObject): Material {
+    fun getMaterial(vision3D: Vision): Material {
-        val meta = visualObject3D.getItem(Material3D.MATERIAL_KEY).node ?: return ThreeMaterials.DEFAULT
+        val meta = vision3D.getItem(Material3D.MATERIAL_KEY).node ?: return ThreeMaterials.DEFAULT
         return if (meta[Material3D.SPECULAR_COLOR_KEY] != null) {
             MeshPhongMaterial().apply {
                 color = meta[Material3D.COLOR_KEY]?.getColor() ?: DEFAULT_COLOR

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

@@ -3,7 +3,7 @@ package hep.dataforge.vision.spatial.three
 import hep.dataforge.context.*
 import hep.dataforge.meta.Meta
 import hep.dataforge.names.*
-import hep.dataforge.vision.VisualObject
+import hep.dataforge.vision.Vision
 import hep.dataforge.vision.spatial.*
 import info.laht.threekt.core.Object3D
 import kotlin.collections.set
@@ -28,7 +28,7 @@ class ThreePlugin : AbstractPlugin() {
     }
 
     @Suppress("UNCHECKED_CAST")
-    private fun findObjectFactory(type: KClass<out VisualObject>): ThreeFactory<VisualObject3D>? {
+    private fun findObjectFactory(type: KClass<out Vision>): ThreeFactory<VisualObject3D>? {
         return (objectFactories[type]
             ?: context.content<ThreeFactory<*>>(ThreeFactory.TYPE).values.find { it.type == type })
                 as ThreeFactory<VisualObject3D>?
@@ -38,7 +38,7 @@ class ThreePlugin : AbstractPlugin() {
         return when (obj) {
             is ThreeVisualObject -> obj.toObject3D()
             is Proxy -> proxyFactory(obj)
-            is VisualGroup3D -> {
+            is VisionGroup3D -> {
                 val group = ThreeGroup()
                 obj.children.forEach { (token, child) ->
                     if (child is VisualObject3D && child.ignore != true) {

visionforge-spatial/src/jsMain/kotlin/hep/dataforge/vision/spatial/three/outputConfig.kt

@@ -3,8 +3,8 @@ package hep.dataforge.vision.spatial.three
 import hep.dataforge.js.requireJS
 import hep.dataforge.vision.bootstrap.accordion
 import hep.dataforge.vision.bootstrap.entry
+import hep.dataforge.vision.spatial.VisionGroup3D
 import hep.dataforge.vision.spatial.Visual3D
-import hep.dataforge.vision.spatial.VisualGroup3D
 import kotlinx.html.*
 import kotlinx.html.dom.append
 import kotlinx.html.js.onChangeFunction
@@ -52,9 +52,9 @@ fun RBuilder.canvasControls(canvas: ThreeCanvas) = accordion("controls") {
                     +"Export"
                     attrs {
                         onClickFunction = {
-                            val json = (canvas.content as? VisualGroup3D)?.let { group ->
+                            val json = (canvas.content as? VisionGroup3D)?.let { group ->
                                 Visual3D.json.stringify(
-                                    VisualGroup3D.serializer(),
+                                    VisionGroup3D.serializer(),
                                     group
                                 )
                             }
@@ -116,9 +116,9 @@ fun Element.displayCanvasControls(canvas: ThreeCanvas, block: TagConsumer<HTMLEl
                         button {
                             +"Export"
                             onClickFunction = {
-                                val json = (canvas.content as? VisualGroup3D)?.let { group ->
+                                val json = (canvas.content as? VisionGroup3D)?.let { group ->
                                     Visual3D.json.stringify(
-                                        VisualGroup3D.serializer(),
+                                        VisionGroup3D.serializer(),
                                         group
                                     )
                                 }

visionforge-spatial/src/jvmMain/kotlin/hep/dataforge/vision/spatial/fx/FX3DPlugin.kt

@@ -46,7 +46,7 @@ class FX3DPlugin : AbstractPlugin() {
         val binding = VisualObjectFXBinding(obj)
         return when (obj) {
             is Proxy -> proxyFactory(obj, binding)
-            is VisualGroup3D -> {
+            is VisionGroup3D -> {
                 Group(obj.children.mapNotNull { (token, obj) ->
                     (obj as? VisualObject3D)?.let {
                         buildNode(it).apply {

visionforge-spatial/src/jvmMain/kotlin/hep/dataforge/vision/spatial/fx/FXProxyFactory.kt

@@ -3,7 +3,7 @@ package hep.dataforge.vision.spatial.fx
 import hep.dataforge.names.Name
 import hep.dataforge.names.isEmpty
 import hep.dataforge.names.toName
-import hep.dataforge.vision.VisualObject
+import hep.dataforge.vision.Vision
 import hep.dataforge.vision.spatial.Proxy
 import javafx.scene.Group
 import javafx.scene.Node
@@ -40,7 +40,7 @@ private fun Node.findChild(name: Name): Node? {
     }
 }
 
-private fun Node.updateProperty(obj: VisualObject, propertyName: Name) {
+private fun Node.updateProperty(obj: Vision, propertyName: Name) {
 //    if (propertyName.startsWith(Material3D.MATERIAL_KEY)) {
 //        (this as? Shape3D)?.let { it.material = obj.getProperty(Material3D.MATERIAL_KEY).material() }
 //    }

visionforge-spatial/src/jvmMain/kotlin/hep/dataforge/vision/spatial/fx/VisualObjectFXBinding.kt

@@ -4,15 +4,15 @@ import hep.dataforge.meta.*
 import hep.dataforge.names.Name
 import hep.dataforge.names.startsWith
 import hep.dataforge.names.toName
-import hep.dataforge.vision.VisualObject
+import hep.dataforge.vision.Vision
 import javafx.application.Platform
 import javafx.beans.binding.ObjectBinding
 import tornadofx.*
 
 /**
- * A caching binding collection for [VisualObject] properties
+ * A caching binding collection for [Vision] properties
  */
-class VisualObjectFXBinding(val obj: VisualObject) {
+class VisualObjectFXBinding(val obj: Vision) {
     private val bindings = HashMap<Name, ObjectBinding<MetaItem<*>?>>()
 
     init {

visionforge-spatial/src/jvmMain/kotlin/hep/dataforge/vision/spatial/generateSchema.kt

@@ -186,7 +186,7 @@ fun main() {
             }
         }
         "hep.dataforge.vis.spatial.VisualGroup3D" to jsonSchema(
-            VisualGroup3D.serializer().descriptor,
+            VisionGroup3D.serializer().descriptor,
             context
         )