build.gradle.kts

@@ -1,7 +1,7 @@
 plugins {
     id("ru.mipt.npm.gradle.project")
-//    kotlin("multiplatform") version "1.5.30-RC" apply false
+    kotlin("multiplatform") version "1.5.30" apply false
-//    kotlin("js") version "1.5.30-RC" apply false
+    kotlin("js") version "1.5.30" apply false
 }
 
 val dataforgeVersion by extra("0.5.1")

cern-root-loader/src/commonMain/kotlin/ru/mipt/npm/root/JsonRootObject.kt

@@ -1,26 +0,0 @@
-package ru.mipt.npm.root
-
-import kotlinx.serialization.KSerializer
-import kotlinx.serialization.Serializable
-import kotlinx.serialization.descriptors.SerialDescriptor
-import kotlinx.serialization.encoding.Decoder
-import kotlinx.serialization.encoding.Encoder
-import kotlinx.serialization.json.JsonElement
-
-@Serializable(JsonRootSerializer::class)
-public class JsonRootObject(public val element: JsonElement): TObject()
-
-public object JsonRootSerializer: KSerializer<JsonRootObject>{
-    private val jsonElementSerializer = JsonElement.serializer()
-
-    override val descriptor: SerialDescriptor
-        get() = jsonElementSerializer.descriptor
-
-    override fun deserialize(decoder: Decoder): JsonRootObject {
-        return JsonRootObject(decoder.decodeSerializableValue(jsonElementSerializer))
-    }
-
-    override fun serialize(encoder: Encoder, value: JsonRootObject) {
-        encoder.encodeSerializableValue(jsonElementSerializer, value.element)
-    }
-}

cern-root-loader/src/commonMain/kotlin/ru/mipt/npm/root/TGeoManager.kt

@@ -9,11 +9,14 @@ import kotlinx.serialization.Serializable
 public class TGeoManager : TNamed() {
 
     @Contextual
-    public val fMatrices: TObjArray = TObjArray.empty
+    public val fMatrices: TObjArray<TGeoMatrix> = TObjArray.getEmpty()
 
     @Contextual
-    public val fShapes: TObjArray = TObjArray.empty
+    public val fShapes: TObjArray<TGeoShape> = TObjArray.getEmpty()
 
     @Contextual
-    public val fVolumes: TObjArray = TObjArray.empty
+    public val fVolumes: TObjArray<TGeoVolume> = TObjArray.getEmpty()
+
+    @Contextual
+    public val fNodes: TObjArray<TGeoNode> = TObjArray.getEmpty()
 }

cern-root-loader/src/commonMain/kotlin/ru/mipt/npm/root/TGeoNode.kt

@@ -6,7 +6,7 @@ import kotlinx.serialization.Serializable
 
 @Serializable
 @SerialName("TGeoNode")
-public open class TGeoNode : TNamed() {
+public sealed class TGeoNode : TNamed() {
     public val fGeoAtt: UInt = 0u
 
     @Contextual
@@ -26,3 +26,9 @@ public class TGeoNodeMatrix : TGeoNode() {
     @Contextual
     public val fMatrix: TGeoMatrix? = null
 }
+
+@Serializable
+@SerialName("TGeoNodeOffset")
+public class TGeoNodeOffset : TGeoNode() {
+    public val fOffset: Double = 0.0
+}

cern-root-loader/src/commonMain/kotlin/ru/mipt/npm/root/TGeoShape.kt

@@ -3,6 +3,7 @@ package ru.mipt.npm.root
 import kotlinx.serialization.Contextual
 import kotlinx.serialization.SerialName
 import kotlinx.serialization.Serializable
+import kotlin.math.PI
 
 @Serializable
 @SerialName("TGeoShape")
@@ -27,13 +28,13 @@ public sealed class TGeoBoolNode : TObject() {
     public abstract val fLeft: TGeoShape
 
     @Contextual
-    public abstract val fLeftMat: TGeoMatrix
+    public val fLeftMat: TGeoMatrix? = null
 
     @Contextual
     public abstract val fRight: TGeoShape
 
     @Contextual
-    public abstract val fRightMat: TGeoMatrix
+    public val fRightMat: TGeoMatrix? = null
 }
 
 @Serializable
@@ -42,11 +43,7 @@ public class TGeoUnion(
     @Contextual
     override val fLeft: TGeoShape,
     @Contextual
-    override val fLeftMat: TGeoMatrix,
-    @Contextual
     override val fRight: TGeoShape,
-    @Contextual
-    override val fRightMat: TGeoMatrix
 ) : TGeoBoolNode()
 
 @Serializable
@@ -55,11 +52,7 @@ public class TGeoSubtraction(
     @Contextual
     override val fLeft: TGeoShape,
     @Contextual
-    override val fLeftMat: TGeoMatrix,
-    @Contextual
     override val fRight: TGeoShape,
-    @Contextual
-    override val fRightMat: TGeoMatrix
 ) : TGeoBoolNode()
 
 @Serializable
@@ -68,11 +61,7 @@ public class TGeoIntersection(
     @Contextual
     override val fLeft: TGeoShape,
     @Contextual
-    override val fLeftMat: TGeoMatrix,
-    @Contextual
     override val fRight: TGeoShape,
-    @Contextual
-    override val fRightMat: TGeoMatrix
 ) : TGeoBoolNode()
 
 
@@ -97,18 +86,15 @@ public class TGeoXtru(
 
 @Serializable
 @SerialName("TGeoTube")
-public open class TGeoTube(
+public open class TGeoTube : TGeoBBox() {
-    public val fRmin: Double,
+    public val fRmin: Double = 0.0
-    public val fRmax: Double,
+    public val fRmax: Double = 0.0
-    public val fDz: Double,
+    public val fDz: Double = 0.0
-) : TGeoBBox()
+}
 
 @Serializable
 @SerialName("TGeoTubeSeg")
 public class TGeoTubeSeg(
-    public val fRmin: Double,
-    public val fRmax: Double,
-    public val fDz: Double,
     public val fPhi1: Double,
     public val fPhi2: Double,
     public val fS1: Double,
@@ -118,7 +104,24 @@ public class TGeoTubeSeg(
     public val fSm: Double,
     public val fCm: Double,
     public val fCdfi: Double,
-) : TGeoBBox()
+) : TGeoTube()
+
+@Serializable
+@SerialName("TGeoPcon")
+public open class TGeoPcon : TGeoBBox() {
+    public val fNz: Int = 0                         // number of z planes (at least two)
+    public val fPhi1: Double = 0.0                  // lower phi limit (converted to [0,2*pi)
+    public val fDphi: Double = PI * 2               // phi range
+    public val fRmin: DoubleArray = doubleArrayOf() //[fNz] pointer to array of inner radii
+    public val fRmax: DoubleArray = doubleArrayOf() //[fNz] pointer to array of outer radii
+    public val fZ: DoubleArray = doubleArrayOf()    //[fNz] pointer to array of Z planes positions
+}
+
+@Serializable
+@SerialName("TGeoPgon")
+public open class TGeoPgon : TGeoPcon() {
+    public val fNedges: Int = 0
+}
 
 @Serializable
 @SerialName("TGeoShapeAssembly")

cern-root-loader/src/commonMain/kotlin/ru/mipt/npm/root/TGeoVolume.kt

@@ -15,7 +15,7 @@ public open class TGeoVolume : TNamed() {
     public val fFillStyle: Int? = null
 
     @Contextual
-    public val fNodes: TObjArray? = null
+    public val fNodes: TObjArray<TGeoNode>? = null
 
     @Contextual
     public val fShape: TGeoShape? = null

cern-root-loader/src/commonMain/kotlin/ru/mipt/npm/root/TObject.kt

@@ -19,9 +19,9 @@ public open class TNamed : TObject() {
 
 @Serializable
 @SerialName("TObjArray")
-public class TObjArray(public val arr: List<@Contextual TObject>): TObject() {
+public class TObjArray<T: TObject>(public val arr: List<@Contextual T>): TObject() {
     public companion object{
-        public val empty: TObjArray = TObjArray(emptyList())
+        public fun <T: TObject> getEmpty(): TObjArray<T> = TObjArray(emptyList())
     }
 }
 

cern-root-loader/src/commonMain/kotlin/ru/mipt/npm/root/jsonToRoot.kt

@@ -1,12 +1,27 @@
 package ru.mipt.npm.root
 
+import kotlinx.serialization.DeserializationStrategy
 import kotlinx.serialization.ExperimentalSerializationApi
 import kotlinx.serialization.KSerializer
+import kotlinx.serialization.descriptors.SerialDescriptor
 import kotlinx.serialization.encoding.Decoder
 import kotlinx.serialization.json.*
 import kotlinx.serialization.modules.*
 
 
+private fun <T> jsonRootDeserializer(tSerializer: KSerializer<T>, builder: (JsonElement) -> T): DeserializationStrategy<T> = object :
+    DeserializationStrategy<T> {
+    private val jsonElementSerializer = JsonElement.serializer()
+
+    override val descriptor: SerialDescriptor
+        get() = jsonElementSerializer.descriptor
+
+    override fun deserialize(decoder: Decoder): T {
+        val json = decoder.decodeSerializableValue(jsonElementSerializer)
+        return builder(json)
+    }
+}
+
 /**
  * Load Json encoded TObject
  */
@@ -22,8 +37,7 @@ private object RootDecoder {
 
     private class RootUnrefSerializer<T>(
         private val tSerializer: KSerializer<T>,
-        private val refCache: List<RefEntry>,// = ArrayList<RefEntry>(4096)
+        private val refCache: List<RefEntry>,
-        //private val counter: ReferenceCounter
     ) : KSerializer<T> by tSerializer {
 
         override fun deserialize(decoder: Decoder): T {
@@ -31,14 +45,14 @@ private object RootDecoder {
             val element = input.decodeJsonElement()
             val refId = (element as? JsonObject)?.get("\$ref")?.jsonPrimitive?.int
             val ref = if (refId != null) {
-                //println("Substituting ref $refId")
+                //println("Substituting ${tSerializer.descriptor.serialName} ref $refId")
                 //Forward ref for shapes
                 when (tSerializer.descriptor.serialName) {
-                    "TGeoShape" -> return TGeoShapeRef{
+                    "TGeoShape" -> return TGeoShapeRef {
                         //Should be not null at the moment of actualization
                         refCache[refId].value as TGeoShape
                     } as T
-                    "TGeoVolumeAssembly" -> return TGeoVolumeAssemblyRef{
+                    "TGeoVolumeAssembly" -> return TGeoVolumeAssemblyRef {
                         //Should be not null at the moment of actualization
                         refCache[refId].value as TGeoVolumeAssembly
                     } as T
@@ -66,24 +80,50 @@ private object RootDecoder {
         include(serializersModule)
 
         contextual(TGeoManager.serializer().unref(refCache))
-        contextual(TObjArray.serializer().unref(refCache))
+        contextual(TObjArray::class) { TObjArray.serializer(it[0]).unref(refCache) }
         contextual(TGeoVolumeAssembly.serializer().unref(refCache))
         contextual(TGeoShapeAssembly.serializer().unref(refCache))
         contextual(TGeoRotation.serializer().unref(refCache))
         contextual(TGeoMedium.serializer().unref(refCache))
         contextual(TGeoVolume.serializer().unref(refCache))
         contextual(TGeoMatrix.serializer().unref(refCache))
+        contextual(TGeoNode.serializer().unref(refCache))
+        contextual(TGeoNodeOffset.serializer().unref(refCache))
         contextual(TGeoNodeMatrix.serializer().unref(refCache))
         contextual(TGeoShape.serializer().unref(refCache))
         contextual(TObject.serializer().unref(refCache))
 
 
         polymorphicDefault(TGeoShape::class) {
+            if (it == null) {
                 TGeoShape.serializer().unref(refCache)
+            } else {
+                error("Unrecognized shape $it")
+            }
         }
 
         polymorphicDefault(TGeoMatrix::class) {
+            if (it == null) {
                 TGeoMatrix.serializer().unref(refCache)
+            } else {
+                error("Unrecognized matrix $it")
+            }
+        }
+
+        polymorphicDefault(TGeoVolume::class) {
+            if (it == null) {
+                TGeoVolume.serializer().unref(refCache)
+            } else {
+                error("Unrecognized volume $it")
+            }
+        }
+
+        polymorphicDefault(TGeoNode::class) {
+            if (it == null) {
+                TGeoNode.serializer().unref(refCache)
+            } else {
+                error("Unrecognized node $it")
+            }
         }
     }
 
@@ -126,14 +166,6 @@ private object RootDecoder {
         return unrefJson(refCache).decodeFromJsonElement(sourceDeserializer.unref(refCache), source)
     }
 
-//    class ReferenceCounter(var value: Int = 0) {
-//        fun increment() {
-//            value += 1
-//        }
-//
-//        override fun toString(): String = value.toString()
-//    }
-
     class RefEntry(val element: JsonElement) {
 
         var value: Any? = null
@@ -154,6 +186,8 @@ private object RootDecoder {
         subclass(TGeoXtru.serializer())
         subclass(TGeoTube.serializer())
         subclass(TGeoTubeSeg.serializer())
+        subclass(TGeoPcon.serializer())
+        subclass(TGeoPgon.serializer())
         subclass(TGeoShapeAssembly.serializer())
     }
 
@@ -173,25 +207,24 @@ private object RootDecoder {
 
     private val serializersModule = SerializersModule {
 
-        polymorphic(TObject::class) {
+//        polymorphic(TObject::class) {
-            default { JsonRootSerializer }
+//            default { JsonRootSerializer }
-            subclass(TObjArray.serializer())
+//
-
+//            shapes()
-            shapes()
+//            matrices()
-            matrices()
+//            boolNodes()
-            boolNodes()
+//
-
+//            subclass(TGeoMaterial.serializer())
-            subclass(TGeoMaterial.serializer())
+//            subclass(TGeoMixture.serializer())
-            subclass(TGeoMixture.serializer())
+//
-
+//            subclass(TGeoMedium.serializer())
-            subclass(TGeoMedium.serializer())
+//
-
+//            //subclass(TGeoNode.serializer())
-            subclass(TGeoNode.serializer())
+//            subclass(TGeoNodeMatrix.serializer())
-            subclass(TGeoNodeMatrix.serializer())
+//            subclass(TGeoVolume.serializer())
-            subclass(TGeoVolume.serializer())
+//            subclass(TGeoVolumeAssembly.serializer())
-            subclass(TGeoVolumeAssembly.serializer())
+//            subclass(TGeoManager.serializer())
-            subclass(TGeoManager.serializer())
+//        }
-        }
 
         polymorphic(TGeoShape::class) {
             shapes()
@@ -205,8 +238,9 @@ private object RootDecoder {
             boolNodes()
         }
 
-        polymorphic(TGeoNode::class, TGeoNode.serializer()) {
+        polymorphic(TGeoNode::class) {
             subclass(TGeoNodeMatrix.serializer())
+            subclass(TGeoNodeOffset.serializer())
         }
 
         polymorphic(TGeoVolume::class, TGeoVolume.serializer()) {

cern-root-loader/src/commonMain/kotlin/ru/mipt/npm/root/rootToSolid.kt

@@ -0,0 +1,176 @@
+package ru.mipt.npm.root
+
+import space.kscience.dataforge.names.Name
+import space.kscience.dataforge.names.asName
+import space.kscience.visionforge.setPropertyNode
+import space.kscience.visionforge.solid.*
+import kotlin.math.PI
+import kotlin.math.atan2
+import kotlin.math.pow
+import kotlin.math.sqrt
+
+
+private val solidsName = "solids".asName()
+private val volumesName = "volumes".asName()
+
+private operator fun Number.times(d: Double) = toDouble() * d
+
+private operator fun Number.times(f: Float) = toFloat() * f
+
+private fun degToRad(d: Double) = d * PI / 180.0
+
+private class GdmlLoader {
+
+    // converting to XYZ to Tait–Bryan angles according to https://en.wikipedia.org/wiki/Euler_angles#Rotation_matrix
+    private fun Solid.rotate(rot: DoubleArray) {
+        val xAngle = atan2(-rot[5], rot[8])
+        val yAngle = atan2(rot[2], sqrt(1.0 - rot[2].pow(2)))
+        val zAngle = atan2(-rot[1], rot[0])
+        rotation = Point3D(xAngle, yAngle, zAngle)
+    }
+
+    private fun Solid.translate(trans: DoubleArray) {
+        val (x, y, z) = trans
+        position = Point3D(x, y, z)
+    }
+
+    private fun Solid.useMatrix(matrix: TGeoMatrix?) {
+        when (matrix) {
+            null, is TGeoIdentity -> {
+                //do nothing
+            }
+            is TGeoTranslation -> {
+                translate(matrix.fTranslation)
+            }
+            is TGeoRotation -> {
+                rotate(matrix.fRotationMatrix)
+            }
+            is TGeoCombiTrans -> {
+                translate(matrix.fTranslation)
+                matrix.fRotation?.let { rotate(it.fRotationMatrix) }
+            }
+            is TGeoHMatrix -> {
+                translate(matrix.fTranslation)
+                rotate(matrix.fRotationMatrix)
+                val (xScale, yScale, zScale) = matrix.fScale
+                scale = Point3D(xScale, yScale, zScale)
+            }
+        }
+    }
+
+    fun SolidGroup.addShape(shape: TGeoShape) {
+        when (shape) {
+            is TGeoShapeRef -> addShape(shape.value)
+            is TGeoCompositeShape -> {
+                val bool: TGeoBoolNode = shape.fNode
+                val compositeType = when (bool) {
+                    is TGeoIntersection -> CompositeType.INTERSECT
+                    is TGeoSubtraction -> CompositeType.SUBTRACT
+                    is TGeoUnion -> CompositeType.UNION
+                }
+                composite(compositeType, name = shape.fName) {
+                    addShape(bool.fLeft).apply {
+                        useMatrix(bool.fLeftMat)
+                    }
+                    addShape(bool.fRight).apply {
+                        useMatrix(bool.fRightMat)
+                    }
+                }
+            }
+            is TGeoXtru -> extruded(name = shape.fName) {
+
+                (0 until shape.fNvert).forEach { index ->
+                    shape {
+                        point(shape.fX[index], shape.fY[index])
+                    }
+                }
+
+                (0 until shape.fNz).forEach { index ->
+                    layer(
+                        shape.fZ[index],
+                        shape.fX0[index],
+                        shape.fY0[index],
+                        shape.fScale[index]
+                    )
+                }
+            }
+            is TGeoTube -> tube(
+                radius = shape.fRmax,
+                height = shape.fDz * 2,
+                innerRadius = shape.fRmin,
+                name = shape.fName
+            )
+            is TGeoTubeSeg -> tube(
+                radius = shape.fRmax,
+                height = shape.fDz * 2,
+                innerRadius = shape.fRmin,
+                startAngle = degToRad(shape.fPhi1),
+                angle = degToRad(shape.fPhi2 - shape.fPhi1),
+                name = shape.fName
+            )
+            is TGeoPcon -> TODO()
+            is TGeoPgon -> TODO()
+            is TGeoShapeAssembly -> volume(shape.fVolume)
+            is TGeoBBox -> box(shape.fDX * 2, shape.fDY * 2, shape.fDZ * 2, name = shape.fName)
+        }
+    }
+
+    fun SolidGroup.node(obj: TGeoNode) {
+        if (obj.fVolume != null) {
+            volume(obj.fVolume).apply {
+                when (obj) {
+                    is TGeoNodeMatrix -> {
+                        useMatrix(obj.fMatrix)
+                    }
+                    is TGeoNodeOffset -> {
+                        x = obj.fOffset
+                    }
+                }
+            }
+        }
+    }
+
+    fun buildGroup(volume: TGeoVolume): SolidGroup {
+        return if (volume is TGeoVolumeAssemblyRef) {
+            buildGroup(volume.value)
+        } else {
+            SolidGroup {
+                volume.fShape?.let { addShape(it) }
+                volume.fNodes?.let {
+                    it.arr.forEach { obj ->
+                        node(obj)
+                    }
+                }
+            }
+        }
+    }
+
+    private val SolidGroup.rootPrototypes: SolidGroup get() = (parent as? SolidGroup)?.rootPrototypes ?: this
+
+    fun SolidGroup.volume(volume: TGeoVolume): SolidGroup {
+        val group = buildGroup(volume)
+        val ref = rootPrototypes.prototypes {
+
+        }
+        set(volume.fName.ifEmpty { null }?.asName(), group)
+        return group
+    }
+
+    fun load(geo: TGeoManager): SolidGroup {
+        /**
+         * A special group for local templates
+         */
+        val proto = SolidGroup()
+
+        val solids = proto.group(solidsName) {
+            setPropertyNode("edges.enabled", false)
+        }
+
+        val volumes = proto.group(volumesName)
+
+        val referenceStore = HashMap<Name, MutableList<SolidReferenceGroup>>()
+
+        TODO()
+    }
+
+}

cern-root-loader/src/jvmTest/kotlin/ru/mipt/npm/root/loadBMN.kt

@@ -31,6 +31,7 @@ fun main() {
 
     val time = measureTimeMillis {
         val geo = TObject.decodeFromString(TGeoManager.serializer(), string)
+        println(geo)
     }
 
     println(Duration.ofMillis(time))

gradle.properties

@@ -3,7 +3,7 @@ kotlin.mpp.enableGranularSourceSetsMetadata=true
 kotlin.mpp.stability.nowarn=true
 kotlin.native.enableDependencyPropagation=false
 
-kotlin.jupyter.add.scanner=false
+#kotlin.jupyter.add.scanner=false
 
 org.gradle.jvmargs=-XX:MaxMetaspaceSize=1G
 org.gradle.parallel=true

visionforge-solid/src/commonMain/kotlin/space/kscience/visionforge/solid/geometry.kt

@@ -5,7 +5,10 @@ import kotlinx.serialization.Serializable
 import kotlinx.serialization.descriptors.SerialDescriptor
 import kotlinx.serialization.encoding.Decoder
 import kotlinx.serialization.encoding.Encoder
-import space.kscience.dataforge.meta.*
+import space.kscience.dataforge.meta.Meta
+import space.kscience.dataforge.meta.MetaProvider
+import space.kscience.dataforge.meta.float
+import space.kscience.dataforge.meta.get
 import space.kscience.visionforge.solid.Solid.Companion.X_KEY
 import space.kscience.visionforge.solid.Solid.Companion.Y_KEY
 import space.kscience.visionforge.solid.Solid.Companion.Z_KEY
@@ -54,7 +57,7 @@ internal object Point3DSerializer : KSerializer<Point3D> {
     override val descriptor: SerialDescriptor = Point3DImpl.serializer().descriptor
 
 
-    override fun deserialize(decoder: Decoder): Point3D = decoder.decodeSerializableValue(Point3DImpl.serializer())
+    override fun deserialize(decoder: Decoder): MutablePoint3D = decoder.decodeSerializableValue(Point3DImpl.serializer())
 
     override fun serialize(encoder: Encoder, value: Point3D) {
         val impl: Point3DImpl = (value as? Point3DImpl) ?: Point3DImpl(value.x, value.y, value.z)