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

@@ -3,23 +3,24 @@ package hep.dataforge.playground
 import hep.dataforge.context.Context
 import hep.dataforge.vision.VisionManager
 import hep.dataforge.vision.gdml.gdml
-import hep.dataforge.vision.html.Page
-import hep.dataforge.vision.html.embedVisionFragment
-import hep.dataforge.vision.html.fragment
-import hep.dataforge.vision.html.scriptHeader
+import hep.dataforge.vision.html.*
 import hep.dataforge.vision.plotly.PlotlyPlugin
 import hep.dataforge.vision.plotly.VisionOfPlotly
 import hep.dataforge.vision.solid.SolidManager
 import hep.dataforge.vision.solid.solid
 import hep.dataforge.vision.visionManager
 import kotlinx.html.div
+import kotlinx.html.id
+import kotlinx.html.script
 import kotlinx.html.stream.createHTML
+import kotlinx.html.unsafe
 import kscience.plotly.Plot
 import kscience.plotly.PlotlyFragment
 import org.jetbrains.kotlinx.jupyter.api.HTML
 import org.jetbrains.kotlinx.jupyter.api.Notebook
 import org.jetbrains.kotlinx.jupyter.api.annotations.JupyterLibrary
 import org.jetbrains.kotlinx.jupyter.api.libraries.*
+import org.jetbrains.kotlinx.jupyter.api.libraries.ResourceLocation
 import space.kscience.gdml.Gdml
 
 @JupyterLibrary
@@ -34,16 +35,25 @@ internal class VisionForgePlayGroundForJupyter : JupyterIntegration() {
         ResourcePathType.CLASSPATH_PATH)))
     val jsResource = LibraryResource(name = "VisionForge", type = ResourceType.JS, bundles = listOf(jsBundle))
 
+    private var counter = 0
+
+    private fun produceHtmlVisionString(fragment: HtmlVisionFragment) = createHTML().div {
+        val id = "visionforge.vision[${counter++}]"
+        div {
+            this.id = id
+            embedVisionFragment(context.visionManager, fragment = fragment)
+        }
+        script {
+            type = "text/javascript"
+            unsafe { +"window.renderVisionsAt(\"$id\");" }
+        }
+    }
+
     override fun Builder.onLoaded(notebook: Notebook?) {
         resource(jsResource)
 
         import("space.kscience.gdml.*", "kscience.plotly.*", "kscience.plotly.models.*")
 
-        onLoaded {
-            val header = scriptHeader("js/visionforge-playground.js", null, hep.dataforge.vision.html.ResourceLocation.EMBED)
-            display(HTML(createHTML().apply(header).finalize()))
-        }
-
         render<Gdml> { gdmlModel ->
             val fragment = VisionManager.fragment {
                 vision {
@@ -53,11 +63,7 @@ internal class VisionForgePlayGroundForJupyter : JupyterIntegration() {
                 }
             }
 
-            val html = createHTML().div {
-                embedVisionFragment(context.visionManager, fragment = fragment)
-            }
-
-            HTML(html)
+            HTML(produceHtmlVisionString(fragment))
         }
 
         render<Plot> { plot ->
@@ -67,11 +73,7 @@ internal class VisionForgePlayGroundForJupyter : JupyterIntegration() {
                 }
             }
 
-            val html = createHTML().div {
-                embedVisionFragment(context.visionManager, fragment = fragment)
-            }
-
-            HTML(html)
+            HTML( produceHtmlVisionString(fragment))
         }
 
         render<kscience.plotly.HtmlFragment> { fragment ->

demo/playground/src/jsMain/kotlin/playgroundMain.kt

@@ -1,10 +1,14 @@
 //import hep.dataforge.vision.plotly.withPlotly
 import hep.dataforge.vision.plotly.withPlotly
+import hep.dataforge.vision.renderVisionsAt
 import hep.dataforge.vision.renderVisionsInWindow
-import hep.dataforge.vision.solid.three.loadThreeJs
+import hep.dataforge.vision.solid.three.withThreeJs
+import kotlinx.browser.window
 
 fun main() {
     withPlotly()
-    loadThreeJs()
+    withThreeJs()
     renderVisionsInWindow()
+    window.asDynamic()["renderVisionsInWindow"] = ::renderVisionsInWindow
+    window.asDynamic()["renderVisionsAt"] = ::renderVisionsAt
 }

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

@@ -0,0 +1,74 @@
+package hep.dataforge.vision.examples
+
+import hep.dataforge.misc.DFExperimental
+import hep.dataforge.vision.VisionForge
+import hep.dataforge.vision.VisionManager
+import hep.dataforge.vision.gdml.gdml
+import hep.dataforge.vision.html.ResourceLocation
+import hep.dataforge.vision.html.fragment
+import hep.dataforge.vision.solid.solid
+import hep.dataforge.vision.solid.withSolids
+import space.kscience.gdml.*
+
+internal val cubes = Gdml {
+    val center = define.position("center")
+    structure {
+        val air = ref<GdmlMaterial>("G4_AIR")
+        val tubeMaterial = ref<GdmlMaterial>("tube")
+        val boxMaterial = ref<GdmlMaterial>("box")
+
+        val segment = solids.tube("segment", 20, 5.0) {
+            rmin = 17
+            deltaphi = 60
+            aunit = AUnit.DEG.title
+        }
+        val worldBox = solids.box("largeBox", 200, 200, 200)
+        val smallBox = solids.box("smallBox", 30, 30, 30)
+        val segmentVolume = volume("segment", tubeMaterial, segment.ref()) {}
+        val circle = volume("composite", boxMaterial, smallBox.ref()) {
+            for (i in 0 until 6) {
+                physVolume(segmentVolume) {
+                    positionref = center.ref()
+                    rotation {
+                        z = 60 * i
+                        unit = AUnit.DEG.title
+                    }
+                }
+            }
+        }
+
+        world = volume("world", air, worldBox.ref()) {
+            for (i in 0 until 3) {
+                for (j in 0 until 3) {
+                    for (k in 0 until 3) {
+                        physVolume(circle) {
+                            position {
+                                x = (-50 + i * 50)
+                                y = (-50 + j * 50)
+                                z = (-50 + k * 50)
+                            }
+                            rotation {
+                                x = i * 120
+                                y = j * 120
+                                z = 120 * k
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
+
+@DFExperimental
+fun main() {
+    val content = VisionManager.fragment {
+        vision("canvas") {
+            solid {
+                gdml(cubes)
+            }
+        }
+    }
+
+    VisionForge.withSolids().makeVisionFile(content, resourceLocation = ResourceLocation.SYSTEM)
+}

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

@@ -3,6 +3,7 @@ package hep.dataforge.vision.examples
 import hep.dataforge.misc.DFExperimental
 import hep.dataforge.vision.VisionForge
 import hep.dataforge.vision.VisionManager
+import hep.dataforge.vision.html.ResourceLocation
 import hep.dataforge.vision.html.fragment
 import hep.dataforge.vision.plotly.plotly
 import hep.dataforge.vision.plotly.withPlotly
@@ -21,5 +22,5 @@ fun main() {
         }
     }
 
-    VisionForge.withPlotly().makeVisionFile(fragment)
+    VisionForge.withPlotly().makeVisionFile(fragment, resourceLocation = ResourceLocation.SYSTEM)
 }

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

@@ -9,7 +9,7 @@ import hep.dataforge.vision.solid.box
 import hep.dataforge.vision.solid.solid
 import hep.dataforge.vision.solid.withSolids
 
-@OptIn(DFExperimental::class)
+@DFExperimental
 fun main() {
     val content = VisionManager.fragment {
         vision("canvas") {

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

@@ -83,7 +83,7 @@ public abstract class VisionTagConsumer<R>(
         visionProvider: VisionOutput.() -> Vision,
     ): T = vision(name.toName(), visionProvider)
 
-    public inline fun <T> TagConsumer<T>.vision(
+    public fun <T> TagConsumer<T>.vision(
         vision: Vision,
     ): T = vision("vision[${vision.hashCode()}]".toName(), vision)
 

visionforge-core/src/jsMain/kotlin/hep/dataforge/vision/VisionForge.kt

@@ -4,19 +4,32 @@ import hep.dataforge.context.Context
 import hep.dataforge.context.Global
 import hep.dataforge.vision.client.VisionClient
 import hep.dataforge.vision.client.renderAllVisions
+import hep.dataforge.vision.client.renderAllVisionsAt
+import kotlinx.browser.document
 import kotlinx.browser.window
 
-public actual val VisionForge: Context = Global.context("VisionForge").apply{
+public actual val VisionForge: Context = Global.context("VisionForge").apply {
     plugins.fetch(VisionManager)
     plugins.fetch(VisionClient)
 }
 
+
 /**
  * Render all visions in this [window] using current global state of [VisionForge]
  */
 @JsExport
-public fun renderVisionsInWindow(){
+public fun renderVisionsInWindow() {
     window.onload = {
         VisionForge.plugins[VisionClient]?.renderAllVisions()
     }
+}
+
+@JsExport
+public fun renderVisionsAt(id: String) {
+    val element = document.getElementById(id)
+    if (element != null) {
+        VisionForge.plugins[VisionClient]?.renderAllVisionsAt(element)
+    } else {
+        console.warn("Element with id $id not found")
+    }
 }

visionforge-core/src/jsMain/kotlin/hep/dataforge/vision/client/VisionClient.kt

@@ -43,8 +43,16 @@ public class VisionClient : AbstractPlugin() {
 
     private fun getRenderers() = context.gather<ElementVisionRenderer>(ElementVisionRenderer.TYPE).values
 
-    private fun findRendererFor(vision: Vision): ElementVisionRenderer? =
-        getRenderers().maxByOrNull { it.rateVision(vision) }
+    private fun findRendererFor(vision: Vision): ElementVisionRenderer? {
+        return getRenderers().mapNotNull {
+            val rating = it.rateVision(vision)
+            if (rating > 0) {
+                rating to it
+            } else {
+                null
+            }
+        }.maxByOrNull { it.first }?.second
+    }
 
     private fun Element.getEmbeddedData(className: String): String? = getElementsByClassName(className)[0]?.innerHTML
 

visionforge-core/src/jvmMain/kotlin/hep/dataforge/vision/html/headers.kt

@@ -8,6 +8,10 @@ import kotlinx.html.unsafe
 import java.nio.file.Files
 import java.nio.file.Path
 import java.nio.file.StandardOpenOption
+import java.security.MessageDigest
+import kotlin.io.path.ExperimentalPathApi
+import kotlin.io.path.readText
+
 
 /**
  * The location of resources for plot.
@@ -37,21 +41,29 @@ public enum class ResourceLocation {
 internal const val VISIONFORGE_ASSETS_PATH = ".dataforge/vision/assets"
 
 
+private fun ByteArray.toHexString() = asUByteArray().joinToString("") { it.toString(16).padStart(2, '0') }
+
 /**
  * Check if the asset exists in given local location and put it there if it does not
  * @param
  */
+@OptIn(ExperimentalPathApi::class)
 internal fun checkOrStoreFile(htmlPath: Path, filePath: Path, resource: String): Path {
+    //TODO add logging
     val fullPath = htmlPath.resolveSibling(filePath).toAbsolutePath().resolve(resource)
 
-    if (Files.exists(fullPath)) {
-        //TODO checksum
-    } else {
-        //TODO add logging
+    val bytes = VisionManager::class.java.getResourceAsStream("/$resource").readAllBytes()
+    val md = MessageDigest.getInstance("MD5")
 
-        val bytes = VisionManager::class.java.getResourceAsStream("/$resource").readAllBytes()
+    val checksum = md.digest(bytes).toHexString()
+
+    val md5File = fullPath.resolveSibling(fullPath.fileName.toString() + ".md5")
+    val skip: Boolean = Files.exists(fullPath) && Files.exists(md5File) && md5File.readText() == checksum
+
+    if (!skip) {
         Files.createDirectories(fullPath.parent)
-        Files.write(fullPath, bytes, StandardOpenOption.CREATE_NEW, StandardOpenOption.WRITE)
+        Files.write(fullPath, bytes, StandardOpenOption.CREATE, StandardOpenOption.WRITE)
+        Files.write(md5File, checksum.encodeToByteArray(), StandardOpenOption.CREATE, StandardOpenOption.WRITE)
     }
 
     return if (htmlPath.isAbsolute && fullPath.startsWith(htmlPath.parent)) {

visionforge-gdml/src/jvmTest/kotlin/hep/dataforge/vision/gdml/TestConvertor.kt

@@ -1,38 +1,36 @@
 package hep.dataforge.vision.gdml
 
+import hep.dataforge.names.toName
 import hep.dataforge.vision.solid.SolidManager
 import space.kscience.gdml.Gdml
-import nl.adaptivity.xmlutil.StAXReader
 import org.junit.jupiter.api.Test
+import space.kscience.gdml.decodeFromStream
+import kotlin.test.assertNotNull
 
 class TestConvertor {
 
     @Test
     fun testBMNGeometry() {
         val stream = javaClass.getResourceAsStream("/gdml/BM@N.gdml")
-        val xmlReader = StAXReader(stream, "UTF-8")
-        val xml = Gdml.format.parse(Gdml.serializer(), xmlReader)
-        val vision = xml.toVision()
-        println(SolidManager.encodeToString(vision))
+        val gdml = Gdml.decodeFromStream(stream)
+        val vision = gdml.toVision()
+        //println(SolidManager.encodeToString(vision))
     }
 
     @Test
     fun testCubes() {
         val stream = javaClass.getResourceAsStream("/gdml/cubes.gdml")
-
-        val xmlReader = StAXReader(stream, "UTF-8")
-        val xml = Gdml.format.parse(Gdml.serializer(), xmlReader)
-        val visual = xml.toVision()
-     //   println(visual)
+        val gdml = Gdml.decodeFromStream(stream)
+        val vision = gdml.toVision()
+        assertNotNull(vision.getPrototype("solids.box".toName()))
+        //println(SolidManager.encodeToString(vision))
     }
 
     @Test
     fun testSimple() {
         val stream = javaClass.getResourceAsStream("/gdml/simple1.gdml")
-
-        val xmlReader = StAXReader(stream, "UTF-8")
-        val xml = Gdml.format.parse(Gdml.serializer(), xmlReader)
-        val vision = xml.toVision()
-        println(SolidManager.encodeToString(vision))
+        val gdml = Gdml.decodeFromStream(stream)
+        val vision = gdml.toVision()
+        //println(SolidManager.encodeToString(vision))
     }
 }

visionforge-gdml/src/jvmTest/kotlin/hep/dataforge/vision/gdml/TestCubes.kt

@@ -0,0 +1,74 @@
+package hep.dataforge.vision.gdml
+
+import hep.dataforge.names.toName
+import hep.dataforge.vision.solid.SolidGroup
+import hep.dataforge.vision.solid.SolidManager
+import org.junit.jupiter.api.Test
+import space.kscience.gdml.*
+import kotlin.test.assertNotNull
+
+class TestCubes {
+    internal val cubes = Gdml {
+        val center = define.position("center")
+        structure {
+            val air = ref<GdmlMaterial>("G4_AIR")
+            val tubeMaterial = ref<GdmlMaterial>("tube")
+            val boxMaterial = ref<GdmlMaterial>("box")
+
+            val segment = solids.tube("segment", 20, 5.0) {
+                rmin = 17
+                deltaphi = 60
+                aunit = AUnit.DEG.title
+            }
+            val worldBox = solids.box("largeBox", 200, 200, 200)
+            val smallBox = solids.box("smallBox", 30, 30, 30)
+            val segmentVolume = volume("segment", tubeMaterial, segment.ref()) {}
+            val circle = volume("composite", boxMaterial, smallBox.ref()) {
+                for (i in 0 until 6) {
+                    physVolume(segmentVolume) {
+                        positionref = center.ref()
+                        rotation {
+                            z = 60 * i
+                            unit = AUnit.DEG.title
+                        }
+                    }
+                }
+            }
+
+            world = volume("world", air, worldBox.ref()) {
+                for (i in 0 until 3) {
+                    for (j in 0 until 3) {
+                        for (k in 0 until 3) {
+                            physVolume(circle) {
+                                position {
+                                    x = (-50 + i * 50)
+                                    y = (-50 + j * 50)
+                                    z = (-50 + k * 50)
+                                }
+                                rotation {
+                                    x = i * 120
+                                    y = j * 120
+                                    z = 120 * k
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    @Test
+    fun testCubesDirect(){
+        val vision = cubes.toVision()
+        assertNotNull(vision.getPrototype("solids.smallBox".toName()))
+    }
+
+    @Test
+    fun testCubesReSerialize(){
+        val vision = cubes.toVision()
+        val serialized = SolidManager.encodeToString(vision)
+        val deserialized = SolidManager.decodeFromString(serialized) as SolidGroup
+        assertNotNull(deserialized.getPrototype("solids.smallBox".toName()))
+    }
+}

visionforge-plotly/src/jsMain/kotlin/hep/dataforge/vision/plotly/plotlyJs.kt

@@ -2,6 +2,8 @@ package hep.dataforge.vision.plotly
 
 import hep.dataforge.context.*
 import hep.dataforge.meta.Meta
+import hep.dataforge.names.Name
+import hep.dataforge.names.asName
 import hep.dataforge.vision.Vision
 import hep.dataforge.vision.VisionForge
 import hep.dataforge.vision.VisionPlugin
@@ -26,11 +28,18 @@ public actual class PlotlyPlugin : VisionPlugin(), ElementVisionRenderer {
     }
 
     override fun render(element: Element, vision: Vision, meta: Meta) {
-        val plot = (vision as? VisionOfPlotly)?.plot ?: error("Only VisionOfPlotly visions are supported")
+        val plot = (vision as? VisionOfPlotly)?.plot ?: error("VisionOfPlotly expected but ${vision::class} found")
         val config = PlotlyConfig.read(meta)
         element.plot(plot, config)
     }
 
+    override fun content(target: String): Map<Name, Any> {
+        return when (target) {
+            ElementVisionRenderer.TYPE -> mapOf("plotly".asName() to this)
+            else -> super.content(target)
+        }
+    }
+
     public companion object : PluginFactory<PlotlyPlugin> {
         override val tag: PluginTag = PluginTag("vision.plotly", PluginTag.DATAFORGE_GROUP)
         override val type: KClass<PlotlyPlugin> = PlotlyPlugin::class

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

@@ -35,27 +35,6 @@ public class Box(
         geometryBuilder.face4(node8, node5, node6, node7)
     }
 
-//    override fun equals(other: Any?): Boolean {
-//        if (this === other) return true
-//        if (other == null || this::class != other::class) return false
-//
-//        other as Box
-//
-//        if (xSize != other.xSize) return false
-//        if (ySize != other.ySize) return false
-//        if (zSize != other.zSize) return false
-//
-//        return solidEquals(this, other)
-//    }
-//
-//    override fun hashCode(): Int {
-//        var result = xSize.hashCode()
-//        result = 31 * result + ySize.hashCode()
-//        result = 31 * result + zSize.hashCode()
-//        return 31 * result + Solid.solidHashCode(this)
-//    }
-
-
     public companion object {
 
     }

visionforge-solid/src/commonMain/kotlin/hep/dataforge/vision/solid/SolidGroup.kt

@@ -28,9 +28,13 @@ public interface PrototypeHolder {
 @Serializable
 @SerialName("group.solid")
 public class SolidGroup(
-    @Serializable(Prototypes.Companion::class) @SerialName("prototypes") private var prototypes: MutableVisionGroup? = null,
+    @Serializable(Prototypes.Companion::class) @SerialName("prototypes") internal var prototypes: MutableVisionGroup? = null,
 ) : VisionGroupBase(), Solid, PrototypeHolder {
 
+    init {
+        prototypes?.parent = this
+    }
+
     override val descriptor: NodeDescriptor get() = Solid.descriptor
 
     /**

visionforge-solid/src/commonTest/kotlin/hep/dataforge/vision/solid/SolidPluginTest.kt

@@ -8,21 +8,21 @@ import kotlin.test.assertEquals
 
 class SolidPluginTest {
     val vision = SolidGroup {
-        box(100,100,100, name = "aBox")
+        box(100, 100, 100, name = "aBox")
 
-        sphere(100,name = "aSphere"){
+        sphere(100, name = "aSphere") {
             z = 200
         }
     }
 
     @DFExperimental
     @Test
-    fun testPluginConverter(){
+    fun testPluginConverter() {
         val visionManager = Global.plugins.fetch(SolidManager).visionManager
         val meta = visionManager.encodeToMeta(vision)
 
         val reconstructed = visionManager.decodeFromMeta(meta) as SolidGroup
 
-        assertEquals(vision["aBox"],reconstructed["aBox"])
+        assertEquals(visionManager.encodeToJsonElement(vision["aBox"]!!), visionManager.encodeToJsonElement(reconstructed["aBox"]!!))
     }
 }

visionforge-solid/src/commonTest/kotlin/hep/dataforge/vision/solid/SolidReferenceTest.kt

@@ -3,6 +3,8 @@ package hep.dataforge.vision.solid
 import hep.dataforge.vision.get
 import hep.dataforge.vision.style
 import hep.dataforge.vision.useStyle
+import kotlinx.serialization.json.Json
+import kotlinx.serialization.json.encodeToJsonElement
 import kotlin.test.Test
 import kotlin.test.assertEquals
 
@@ -22,4 +24,11 @@ class SolidReferenceTest {
     fun testReferenceProperty(){
         assertEquals("blue", (groupWithReference["test"] as Solid).color.string)
     }
+
+    @Test
+    fun testReferenceSerialization(){
+        val serialized = SolidManager.jsonForSolids.encodeToJsonElement(groupWithReference)
+        val deserialized = SolidManager.jsonForSolids.decodeFromJsonElement(SolidGroup.serializer(), serialized)
+        assertEquals("blue", (deserialized["test"] as Solid).color.string)
+    }
 }

visionforge-threejs/src/main/kotlin/hep/dataforge/vision/solid/three/ThreePlugin.kt

@@ -126,9 +126,8 @@ public class ThreePlugin : AbstractPlugin(), ElementVisionRenderer {
         }
     }
 
-    override fun rateVision(vision: Vision): Int {
-        return if (vision is Solid) ElementVisionRenderer.DEFAULT_RATING else ElementVisionRenderer.ZERO_RATING
-    }
+    override fun rateVision(vision: Vision): Int =
+        if (vision is Solid) ElementVisionRenderer.DEFAULT_RATING else ElementVisionRenderer.ZERO_RATING
 
     public fun renderSolid(
         element: Element,
@@ -141,7 +140,7 @@ public class ThreePlugin : AbstractPlugin(), ElementVisionRenderer {
     override fun render(element: Element, vision: Vision, meta: Meta) {
         renderSolid(
             element,
-            vision as? Solid ?: error("Solid expected but ${vision::class} is found"),
+            vision as? Solid ?: error("Solid expected but ${vision::class} found"),
             Canvas3DOptions.read(meta)
         )
     }
@@ -157,7 +156,7 @@ public class ThreePlugin : AbstractPlugin(), ElementVisionRenderer {
  * Ensure that [ThreePlugin] is loaded in the global [VisionForge] context
  */
 @JsExport
-public fun loadThreeJs() {
+public fun withThreeJs() {
     VisionForge.plugins.fetch(ThreePlugin)
 }
 

visionforge-threejs/visionforge-threejs-server/src/jsMain/kotlin/hep/dataforge/vision/three/server/jsMain.kt

@@ -1,9 +1,9 @@
 package hep.dataforge.vision.three.server
 
 import hep.dataforge.vision.renderVisionsInWindow
-import hep.dataforge.vision.solid.three.loadThreeJs
+import hep.dataforge.vision.solid.three.withThreeJs
 
 public fun main() {
-    loadThreeJs()
+    withThreeJs()
     renderVisionsInWindow()
 }