diff --git a/build.gradle.kts b/build.gradle.kts
index 34aa5ed..c582615 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -12,7 +12,7 @@ allprojects {
     version = "0.1.0-dev-1"
 }
 
-val dataforgeVersion by extra("0.5.2-dev-4")
+val dataforgeVersion by extra("0.5.2")
 val kmathVersion by extra("0.3.0-dev-17")
 val plotlyVersion: String by extra("0.5.0")
 
diff --git a/buildSrc/build.gradle.kts b/buildSrc/build.gradle.kts
index 83b31b1..2f0a5a8 100644
--- a/buildSrc/build.gradle.kts
+++ b/buildSrc/build.gradle.kts
@@ -11,5 +11,5 @@ repositories {
 
 dependencies {
     api("com.squareup.wire:wire-gradle-plugin:3.7.1")
-    api("ru.mipt.npm:gradle-tools:0.10.8-kotlin-1.6.0")
+    api("ru.mipt.npm:gradle-tools:0.10.7")
 }
diff --git a/numass-analysis/build.gradle.kts b/numass-analysis/build.gradle.kts
index e30b106..bc40184 100644
--- a/numass-analysis/build.gradle.kts
+++ b/numass-analysis/build.gradle.kts
@@ -12,6 +12,7 @@ kotlin.sourceSets {
     commonMain {
         dependencies {
             api(project(":numass-data-model"))
+            api("space.kscience:dataforge-io:$dataforgeVersion")
             api("space.kscience:tables-kt:0.1.1-dev-2")
             api("space.kscience:kmath-complex:$kmathVersion")
             api("space.kscience:kmath-stat:$kmathVersion")
diff --git a/numass-data-proto/src/main/kotlin/ru/inr/mass/data/proto/ProtoNumassPoint.kt b/numass-data-proto/src/main/kotlin/ru/inr/mass/data/proto/ProtoNumassPoint.kt
index f3f0507..f9faf3c 100644
--- a/numass-data-proto/src/main/kotlin/ru/inr/mass/data/proto/ProtoNumassPoint.kt
+++ b/numass-data-proto/src/main/kotlin/ru/inr/mass/data/proto/ProtoNumassPoint.kt
@@ -30,6 +30,7 @@ import space.kscience.dataforge.meta.*
 import java.io.ByteArrayInputStream
 import java.io.ByteArrayOutputStream
 import java.io.InputStream
+import java.nio.ByteOrder
 import java.util.zip.Inflater
 import kotlin.time.Duration
 import kotlin.time.Duration.Companion.milliseconds
@@ -46,11 +47,19 @@ internal class ProtoNumassPoint(
 
     val point: Point by lazy(protoBuilder)
 
-    override fun flowBlocks() = point.channels.flatMap { channel ->
-        channel.blocks
-            .map { block -> ProtoNumassBlock(channel.id.toInt(), block, this) }
-            .sortedBy { it.startTime }
-    }.asFlow()
+    override fun flowBlocks(): Flow<ProtoNumassBlock> {
+        val frameByteOrder = if (meta["tqdc"] != null) {
+            ByteOrder.LITTLE_ENDIAN
+        } else {
+            ByteOrder.BIG_ENDIAN
+        }
+
+        return point.channels.flatMap { channel ->
+            channel.blocks
+                .map { block -> ProtoNumassBlock(channel.id.toInt(), block, this, frameByteOrder) }
+                .sortedBy { it.startTime }
+        }.asFlow()
+    }
 
     override suspend fun getChannels(): Map<Int, NumassBlock> =
         point.channels.groupBy { it.id.toInt() }.mapValues { entry ->
@@ -120,10 +129,12 @@ internal class ProtoNumassPoint(
         }
 
         public fun fromEnvelope(envelope: Envelope): ProtoNumassPoint? {
-            val proto = envelope.useData {
-                Point.ADAPTER.decode(it)
+            if (envelope.data == null) return null
+            return ProtoNumassPoint(envelope.meta) {
+                envelope.useData {
+                    Point.ADAPTER.decode(it)
+                } ?: error("Data is empty")
             }
-            return proto?.let { ProtoNumassPoint(envelope.meta) { it } }
         }
     }
 }
@@ -133,6 +144,7 @@ public class ProtoNumassBlock(
     override val channel: Int,
     private val block: Point.Channel.Block,
     private val parent: NumassPoint? = null,
+    private val frameByteOrder: ByteOrder = ByteOrder.BIG_ENDIAN,
 ) : NumassBlock {
 
     override val startTime: Instant
@@ -176,7 +188,9 @@ public class ProtoNumassBlock(
         }
 
     private fun ByteString.toShortArray(): ShortArray {
-        val shortBuffer = asByteBuffer().asShortBuffer()
+        val shortBuffer = asByteBuffer().apply {
+            order(frameByteOrder)
+        }.asShortBuffer()
         return if (shortBuffer.hasArray()) {
             shortBuffer.array()
         } else {
diff --git a/numass-workspace/src/main/kotlin/ru/inr/mass/scripts/run_2021_11.kt b/numass-workspace/src/main/kotlin/ru/inr/mass/scripts/run_2021_11.kt
new file mode 100644
index 0000000..f202f94
--- /dev/null
+++ b/numass-workspace/src/main/kotlin/ru/inr/mass/scripts/run_2021_11.kt
@@ -0,0 +1,54 @@
+package ru.inr.mass.scripts
+
+import kotlinx.coroutines.flow.toList
+import kotlinx.html.code
+import kotlinx.html.h2
+import kotlinx.html.p
+import kotlinx.serialization.json.Json
+import ru.inr.mass.workspace.readNumassDirectory
+import space.kscience.dataforge.io.JsonMetaFormat
+import space.kscience.dataforge.io.toString
+import space.kscience.dataforge.meta.MetaSerializer
+import space.kscience.plotly.*
+
+suspend fun main() {
+    //val repo: DataTree<NumassDirectorySet> = readNumassRepository("D:\\Work\\numass-data\\")
+    val directory = readNumassDirectory("D:\\Work\\numass-data\\set_3\\")
+    val point = directory.points.first()
+
+    val frames = point.frames.toList()
+    Plotly.page {
+        p { +"${frames.size} frames" }
+        h2 { +"Random frames" }
+        plot {
+            val random = kotlin.random.Random(1234)
+
+            repeat(10) {
+                val frame = frames.random(random)
+                scatter {
+                    y.numbers = frame.signal.map { it.toUShort().toInt() - Short.MAX_VALUE }
+                }
+            }
+        }
+        h2 { +"Analysis" }
+        plot {
+            histogram {
+                name="max"
+                x.numbers = frames.map { frame -> frame.signal.maxOf {  it.toUShort().toInt() - Short.MAX_VALUE } }
+            }
+
+            histogram {
+                name="max-min"
+                xbins{
+                    size = 2.0
+                }
+                x.numbers = frames.map { frame ->
+                    frame.signal.maxOf {  it.toUShort().toInt() - Short.MAX_VALUE } -
+                            frame.signal.minOf {  it.toUShort().toInt() - Short.MAX_VALUE }
+                }
+            }
+        }
+        h2 { +"Meta" }
+        p { +Json.encodeToString(MetaSerializer, point.meta) }
+    }.makeFile()
+}
\ No newline at end of file
diff --git a/settings.gradle.kts b/settings.gradle.kts
index fefa4b8..1a94292 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -10,7 +10,7 @@ dependencyResolutionManagement {
 
     versionCatalogs {
         create("npm") {
-            from("ru.mipt.npm:version-catalog:0.10.8-kotlin-1.6.0")
+            from("ru.mipt.npm:version-catalog:0.10.7")
         }
     }
 }