Revision of numass data architecture. Viewer is working

numass-core/src/main/java/inr/numass/data/analyzers/AbstractAnalyzer.java

@@ -37,11 +37,13 @@ public abstract class AbstractAnalyzer implements NumassAnalyzer {
      * @return
      */
     public Stream<NumassEvent> getEventStream(NumassBlock block, Meta config) {
-        if (getProcessor() == null && block.getFrames().count() > 0) {
-            throw new IllegalArgumentException("Signal processor needed to analyze frames");
-        } else {
         int loChannel = config.getInt("window.lo", 0);
         int upChannel = config.getInt("window.up", Integer.MAX_VALUE);
+        if (block.getFrames().count() == 0) {
+            return block.getEvents().filter(it -> it.getChanel() >= loChannel && it.getChanel() <= upChannel);
+        } else if (getProcessor() == null) {
+            throw new IllegalArgumentException("Signal processor needed to analyze frames");
+        } else {
             return Stream.concat(block.getEvents(), block.getFrames().flatMap(getProcessor()::analyze))
                     .filter(it -> it.getChanel() >= loChannel && it.getChanel() <= upChannel);
         }

numass-core/src/main/java/inr/numass/data/api/NumassAnalyzer.java

@@ -7,6 +7,7 @@ import hep.dataforge.values.Values;
 import java.util.NavigableMap;
 import java.util.TreeMap;
 import java.util.concurrent.atomic.AtomicLong;
+import java.util.concurrent.atomic.AtomicReference;
 import java.util.stream.Stream;
 
 import static hep.dataforge.tables.XYAdapter.*;
@@ -31,6 +32,41 @@ public interface NumassAnalyzer {
         }).mapToLong(it -> it.getValue(COUNT_KEY).numberValue().longValue()).sum();
     }
 
+    /**
+     * Apply window and binning to a spectrum
+     *
+     * @param lo
+     * @param up
+     * @param binSize
+     * @return
+     */
+    static Table spectrumWithBinning(Table spectrum, int lo, int up, int binSize) {
+        TableFormat format = new TableFormatBuilder()
+                .addNumber(CHANNEL_KEY, X_VALUE_KEY)
+                .addNumber(COUNT_KEY, Y_VALUE_KEY)
+                .addNumber(COUNT_RATE_KEY)
+                .addNumber("binSize");
+        ListTable.Builder builder = new ListTable.Builder(format);
+        for (int chan = lo; chan < up - binSize; chan += binSize) {
+            AtomicLong count = new AtomicLong(0);
+            AtomicReference<Double> countRate = new AtomicReference<>(0d);
+
+            int binLo = chan;
+            int binUp = chan + binSize;
+
+            spectrum.getRows().filter(row -> {
+                int c = row.getInt(CHANNEL_KEY);
+                return c >= binLo && c <= binUp;
+            }).forEach(row -> {
+                count.addAndGet(row.getValue(COUNT_KEY).numberValue().longValue());
+                countRate.accumulateAndGet(row.getDouble(COUNT_RATE_KEY), (d1, d2) -> d1 + d2);
+            });
+            int bin = Math.min(binSize, up - chan);
+            builder.row((double) chan + (double) bin / 2d, count.get(), countRate.get(), bin);
+        }
+        return builder.build();
+    }
+
     String CHANNEL_KEY = "channel";
     String COUNT_KEY = "count";
     String LENGTH_KEY = "length";
@@ -92,8 +128,8 @@ public interface NumassAnalyzer {
                                 new ValueMap(format.namesAsArray(),
                                         entry.getKey(),
                                         entry.getValue(),
-                                        entry.getValue().get() / block.getLength().toMillis() * 1000,
+                                        (double) entry.getValue().get() / block.getLength().toMillis() * 1000d,
-                                        Math.sqrt(entry.getValue().get()) / block.getLength().toMillis() * 1000
+                                        Math.sqrt(entry.getValue().get()) / block.getLength().toMillis() * 1000d
                                 )
                         )
                 ).build();

numass-core/src/main/java/inr/numass/data/storage/ClassicNumassPoint.java

@@ -10,8 +10,9 @@ import org.jetbrains.annotations.NotNull;
 import org.slf4j.LoggerFactory;
 
 import java.io.IOException;
-import java.io.InputStream;
 import java.nio.ByteBuffer;
+import java.nio.ByteOrder;
+import java.nio.channels.ReadableByteChannel;
 import java.time.Duration;
 import java.time.Instant;
 import java.util.Iterator;
@@ -30,14 +31,14 @@ public class ClassicNumassPoint implements NumassPoint {
 
     @Override
     public Stream<NumassBlock> getBlocks() {
-        double u = envelope.meta().getDouble("external_meta.HV1_value", 0);
+//        double u = envelope.meta().getDouble("external_meta.HV1_value", 0);
         long length;
         if (envelope.meta().hasValue("external_meta.acquisition_time")) {
             length = envelope.meta().getValue("external_meta.acquisition_time").longValue();
         } else {
             length = envelope.meta().getValue("acquisition_time").longValue();
         }
-        return Stream.of(new ClassicBlock(getStartTime(), Duration.ofNanos(length), 0));
+        return Stream.of(new ClassicBlock(getStartTime(), Duration.ofSeconds(length), 0));
     }
 
     @Override
@@ -49,6 +50,11 @@ public class ClassicNumassPoint implements NumassPoint {
         }
     }
 
+    @Override
+    public double getVoltage() {
+        return meta().getDouble("external_meta.HV1_value", 0);
+    }
+
     @Override
     public Meta meta() {
         return envelope.meta();
@@ -86,38 +92,40 @@ public class ClassicNumassPoint implements NumassPoint {
         public Iterator<NumassEvent> iterator() {
             double timeCoef = envelope.meta().getDouble("time_coeff", 50);
             try {
-                InputStream stream = envelope.getData().getStream();
+                ByteBuffer buffer = ByteBuffer.allocate(7000);
-                stream.skip(blockOffset);
+                buffer.order(ByteOrder.LITTLE_ENDIAN);
+                ReadableByteChannel channel = envelope.getData().getChannel();
+                channel.read(buffer);
+                buffer.flip();
                 return new Iterator<NumassEvent>() {
 
                     @Override
                     public boolean hasNext() {
                         try {
-                            return stream.available() > 0;
+                            if (buffer.hasRemaining()) {
+                                return true;
+                            } else {
+                                buffer.flip();
+                                int num = channel.read(buffer);
+                                if (num > 0) {
+                                    buffer.flip();
+                                    return true;
+                                } else {
+                                    return false;
+                                }
+                            }
                         } catch (IOException e) {
-                            LoggerFactory.getLogger(ClassicNumassPoint.this.getClass()).error("Unexpected IOException " +
+                            LoggerFactory.getLogger(ClassicNumassPoint.this.getClass()).error("Unexpected IOException when reading block", e);
-                                    "when reading block", e);
                             return false;
                         }
                     }
 
                     @Override
                     public NumassEvent next() {
-                        try {
-                            byte[] bytes = new byte[7];
-                            if (stream.read(bytes) < 7) {
-                                throw new RuntimeException("Failed to read event");
-                            }
-                            ByteBuffer buffer = ByteBuffer.wrap(bytes);
                         short channel = (short) Short.toUnsignedInt(buffer.getShort());
                         long time = Integer.toUnsignedLong(buffer.getInt());
                         byte status = buffer.get(); // status is ignored
                         return new NumassEvent(channel, startTime, (long) (time * timeCoef));
-                        } catch (IOException ex) {
-                            LoggerFactory.getLogger(ClassicNumassPoint.this.getClass()).error("Unexpected IOException " +
-                                    "when reading block", ex);
-                            throw new RuntimeException(ex);
-                        }
                     }
                 };
             } catch (IOException ex) {
@@ -125,6 +133,7 @@ public class ClassicNumassPoint implements NumassPoint {
             }
         }
 
+
         @Override
         public Stream<NumassFrame> getFrames() {
             return Stream.empty();

numass-main/src/main/java/inr/numass/utils/NumassUtils.java

@@ -20,10 +20,6 @@ import hep.dataforge.io.envelopes.EnvelopeBuilder;
 import hep.dataforge.io.markup.Markedup;
 import hep.dataforge.io.markup.SimpleMarkupRenderer;
 import hep.dataforge.meta.Meta;
-import hep.dataforge.tables.ListTable;
-import hep.dataforge.tables.Table;
-import hep.dataforge.tables.TableFormat;
-import hep.dataforge.tables.TableFormatBuilder;
 import hep.dataforge.values.Values;
 import org.apache.commons.math3.analysis.UnivariateFunction;
 
@@ -31,13 +27,8 @@ import java.io.IOException;
 import java.io.OutputStream;
 import java.util.HashMap;
 import java.util.Map;
-import java.util.concurrent.atomic.AtomicLong;
-import java.util.concurrent.atomic.AtomicReference;
 import java.util.function.Consumer;
 
-import static hep.dataforge.tables.XYAdapter.X_VALUE_KEY;
-import static hep.dataforge.tables.XYAdapter.Y_VALUE_KEY;
-import static inr.numass.data.api.NumassAnalyzer.*;
 import static java.lang.Math.*;
 
 /**
@@ -124,34 +115,5 @@ public class NumassUtils {
         writeEnvelope(stream, meta, out -> new SimpleMarkupRenderer(out).render(something.markup(meta)));
     }
 
-    /**
+
-     * Apply window and binning to a spectrum
-     *
-     * @param lo
-     * @param up
-     * @param binSize
-     * @return
-     */
-    public static Table spectrumWithBinning(Table spectrum, int lo, int up, int binSize) {
-        TableFormat format = new TableFormatBuilder()
-                .addNumber(CHANNEL_KEY, X_VALUE_KEY)
-                .addNumber(COUNT_KEY, Y_VALUE_KEY)
-                .addNumber(COUNT_RATE_KEY)
-                .addNumber("binSize");
-        ListTable.Builder builder = new ListTable.Builder(format);
-        for (int chan = lo; chan < up - binSize; chan += binSize) {
-            AtomicLong count = new AtomicLong(0);
-            AtomicReference<Double> countRate = new AtomicReference<>(0d);
-            spectrum.getRows().filter(row -> {
-                int c = row.getInt(CHANNEL_KEY);
-                return c >= lo && c <= up;
-            }).forEach(row -> {
-                count.addAndGet(row.getValue(COUNT_KEY).numberValue().longValue());
-                countRate.accumulateAndGet(row.getDouble(COUNT_RATE_KEY), (d1, d2) -> d1 + d2);
-            });
-            int bin = Math.min(binSize, up - chan);
-            builder.row((double) chan + (double) bin / 2d, count.get(), countRate.get(), bin);
-        }
-        return builder.build();
-    }
 }

numass-main/src/main/java/inr/numass/utils/UnderflowCorrection.java

@@ -106,7 +106,7 @@ public class UnderflowCorrection {
             if (xHigh <= xLow) {
                 throw new IllegalArgumentException("Wrong borders for underflow calculation");
             }
-            Table binned = NumassUtils.spectrumWithBinning(spectrum, xLow, xHigh, binning);
+            Table binned = NumassAnalyzer.spectrumWithBinning(spectrum, xLow, xHigh, binning);
 
             List<WeightedObservedPoint> points = binned.getRows()
                     .map(p -> new WeightedObservedPoint(

numass-viewer/src/main/kotlin/inr/numass/viewer/MainView.kt

@@ -15,6 +15,7 @@ import hep.dataforge.storage.api.PointLoader
 import hep.dataforge.storage.api.Storage
 import hep.dataforge.storage.filestorage.FileStorageFactory
 import inr.numass.NumassProperties
+import inr.numass.data.api.NumassSet
 import inr.numass.data.storage.NumassStorage
 import javafx.application.Platform
 import javafx.beans.property.SimpleObjectProperty
@@ -104,7 +105,7 @@ class MainView : View("Numass data viewer") {
                     if (e.clickCount == 2) {
                         val value = focusModel.focusedCell.treeItem.value
                         when (value.content) {
-                            is NumassData -> {
+                            is NumassSet -> {
                                 numassLoaderView.loadData(value.content)
                                 loaderPane.center = numassLoaderView.root
                             }
@@ -253,11 +254,11 @@ class MainView : View("Numass data viewer") {
         }
 
         fun getTime(): String {
-            if (content is NumassData) {
+            if (content is NumassSet) {
-                if (content.startTime() == null) {
+                if (content.startTime == null) {
                     return ""
                 } else {
-                    return content.startTime().toString()
+                    return content.startTime.toString()
                 }
             } else if (content is Metoid) {
                 return content.meta().getString("file.timeModified", "")

numass-viewer/src/main/kotlin/inr/numass/viewer/NumassDataCache.kt

@@ -3,7 +3,8 @@ package inr.numass.viewer
 import hep.dataforge.data.Data
 import hep.dataforge.meta.Meta
 import hep.dataforge.tables.Table
-import java.time.Instant
+import inr.numass.data.api.NumassPoint
+import inr.numass.data.api.NumassSet
 import java.util.stream.Collectors
 import java.util.stream.Stream
 
@@ -11,12 +12,17 @@ import java.util.stream.Stream
  * Cached numass data
  * Created by darksnake on 23-Jun-17.
  */
-class NumassDataCache(val data: NumassData) {
+class NumassDataCache(val data: NumassSet): NumassSet {
     private val cachedDescription: String by lazy { data.description }
     private val cachedMeta: Meta by lazy { data.meta }
-    private val cachedPoints: List<NumassPoint> by lazy { data.stream().collect(Collectors.toList()) }
+    private val cachedPoints: List<NumassPoint> by lazy { data.points.collect(Collectors.toList()) }
     private val hv: Table by lazy { data.hvData.get() }
 
+
+    override fun getPoints(): Stream<NumassPoint> {
+        return cachedPoints.stream();
+    }
+
     override fun getDescription(): String {
         return cachedDescription
     }
@@ -25,23 +31,11 @@ class NumassDataCache(val data: NumassData) {
         return cachedMeta
     }
 
-    override fun stream(): Stream<NumassPoint> {
-        return cachedPoints.stream();
-    }
-
-    override fun isEmpty(): Boolean {
-        return data.isEmpty
-    }
-
-    override fun startTime(): Instant {
-        return data.startTime()
-    }
-
     override fun getName(): String {
         return data.name;
     }
 
-    override fun getHVData(): Data<Table> {
+    override fun getHvData(): Data<Table> {
         return Data.buildStatic(hv);
     }
 }

numass-viewer/src/main/kotlin/inr/numass/viewer/NumassLoaderView.kt

@@ -4,6 +4,8 @@ import hep.dataforge.context.Context
 import hep.dataforge.context.Global
 import hep.dataforge.fx.work.WorkManager
 import hep.dataforge.io.ColumnedDataWriter
+import hep.dataforge.kodex.buildMeta
+import hep.dataforge.meta.Meta
 import hep.dataforge.meta.MetaBuilder
 import hep.dataforge.plots.XYPlotFrame
 import hep.dataforge.plots.data.PlotDataUtils
@@ -13,11 +15,14 @@ import hep.dataforge.plots.data.TimePlottable
 import hep.dataforge.plots.fx.PlotContainer
 import hep.dataforge.plots.jfreechart.JFreeChartFrame
 import hep.dataforge.storage.commons.JSONMetaWriter
-import hep.dataforge.tables.ListTable
+import hep.dataforge.tables.Table
 import hep.dataforge.tables.ValueMap
 import hep.dataforge.tables.XYAdapter
-import hep.dataforge.values.Values
+import inr.numass.data.analyzers.SimpleAnalyzer
-import inr.numass.data.NumassDataUtils
+import inr.numass.data.api.NumassAnalyzer
+import inr.numass.data.api.NumassPoint
+import inr.numass.data.api.NumassSet
+import javafx.application.Platform
 import javafx.beans.property.SimpleObjectProperty
 import javafx.beans.value.ObservableValue
 import javafx.collections.FXCollections
@@ -36,8 +41,8 @@ import org.controlsfx.validation.Validator
 import org.slf4j.LoggerFactory
 import tornadofx.*
 import java.io.IOException
+import java.util.concurrent.atomic.AtomicInteger
 import java.util.logging.Level
-import java.util.stream.Collectors
 
 /**
  * Numass loader view
@@ -46,10 +51,10 @@ import java.util.stream.Collectors
  */
 class NumassLoaderView : View() {
     override val root: AnchorPane by fxml("/fxml/NumassLoaderView.fxml")
-    lateinit var main: MainView
+//    lateinit var main: MainView
 
     private val detectorPlotPane: BorderPane by fxid();
-    private val tabPane: TabPane by fxid();
+    //    private val tabPane: TabPane by fxid();
     private val infoTextBox: TextArea by fxid();
     private val spectrumPlotPane: BorderPane by fxid();
     private val lowChannelField: TextField by fxid();
@@ -66,8 +71,14 @@ class NumassLoaderView : View() {
     private val detectorNormalizeSwitch: CheckBox = CheckBox("Normailize")
     private val detectorDataExportButton: Button = Button("Export")
 
-    val dataProperty = SimpleObjectProperty<NumassData>()
+    val dataProperty = SimpleObjectProperty<NumassSet>()
-    var data: NumassData? by dataProperty
+    var data: NumassSet? by dataProperty
+
+    val analyzerProperty = SimpleObjectProperty<NumassAnalyzer>(SimpleAnalyzer())
+    var analyzer: NumassAnalyzer by analyzerProperty
+
+    val spectra = HashMap<Double, Table>();//spectra cache
+
 
     val spectrumData = PlottableData("spectrum")
     val hvPlotData = PlottableGroup<TimePlottable>()
@@ -109,6 +120,7 @@ class NumassLoaderView : View() {
         detectorNormalizeSwitch.isSelected = true
         detectorNormalizeSwitch.padding = Insets(5.0)
 
+        detectorPlot.plot = detectorPlotFrame
         detectorPlot.addToSideBar(0, l, detectorBinningSelector, detectorNormalizeSwitch, Separator(Orientation.HORIZONTAL))
 
         detectorDataExportButton.maxWidth = java.lang.Double.MAX_VALUE
@@ -126,7 +138,9 @@ class NumassLoaderView : View() {
                 .setValue("yAxis.axisTitle", "count rate")
                 .setValue("yAxis.axisUnits", "Hz")
                 .setValue("legend.show", false)
-        spectrumPlot.plot = JFreeChartFrame(spectrumPlotMeta)
+        spectrumPlot.plot = JFreeChartFrame(spectrumPlotMeta).apply {
+            add(spectrumData)
+        }
 
         lowChannelField.textProperty().bindBidirectional(channelSlider.lowValueProperty(), NumberStringConverter())
         upChannelField.textProperty().bindBidirectional(channelSlider.highValueProperty(), NumberStringConverter())
@@ -182,16 +196,21 @@ class NumassLoaderView : View() {
         hvPlot.plot = JFreeChartFrame(hvPlotMeta)
 
         dataProperty.addListener { observable, oldValue, newData ->
+            //clearing spectra cache
+            if (oldValue != newData) {
+                spectra.clear()
+            }
+
             if (newData != null) {
                 getWorkManager().startWork("viewer.numass.load") { work ->
                     work.title = "Load numass data (" + newData.name + ")"
 
                     //setup info
                     updateInfo(newData)
-                    //setup spectrum plot
-                    updateSpectrum(newData)
                     //setup hv plot
                     updateHV(newData)
+                    //setup spectrum plot
+                    updateSpectrum(newData)
                     //setup detector data
                     updateDetectorPane(newData)
 
@@ -213,15 +232,16 @@ class NumassLoaderView : View() {
         return getContext().getFeature(WorkManager::class.java);
     }
 
-    fun loadData(data: NumassData?) {
+    fun loadData(data: NumassSet?) {
-        this.data = if (data == null) {
+        this.data = data;
-            data
+//        this.data = if (data == null) {
-        } else {
+//            data
-            NumassDataCache(data)
+//        } else {
-        }
+//            NumassDataCache(data)
+//        }
     }
 
-    private fun updateHV(data: NumassData) {
+    private fun updateHV(data: NumassSet) {
         hvPlotData.forEach { it.clear() }
         runAsync {
             data.hvData.get()
@@ -239,21 +259,41 @@ class NumassLoaderView : View() {
     }
 
 
-    private fun updateInfo(data: NumassData) {
+    private fun updateInfo(data: NumassSet) {
         val info = data.meta()
         infoTextBox.text = JSONMetaWriter().writeString(info).replace("\\r", "\r\t").replace("\\n", "\n\t")
     }
 
-    private fun updateSpectrum(data: NumassData) {
+    /**
-        spectrumPlot.plot.add(spectrumData)
+     * Get energy spectrum for a specific point
+     */
+    private fun getSpectrum(point: NumassPoint): Table {
+        synchronized(this) {
+            return spectra.computeIfAbsent(point.voltage) { analyzer.getSpectrum(point, Meta.empty()) }
+        }
+    }
 
-        val lowChannel = channelSlider.lowValue.toInt()
+    private fun updateSpectrum(data: NumassSet) {
-        val highChannel = channelSlider.highValue.toInt()
+        spectrumData.clear()
-
+        runAsync {
-        spectrumData.fillData(data.nmPoints.stream()
+            val loChannel = channelSlider.lowValue.toShort()
-                .map { point: NumassPoint -> getSpectrumPoint(point, lowChannel, highChannel, dTime) }
+            val upChannel = channelSlider.highValue.toShort()
-                .collect(Collectors.toList<Values>())
+            data.points.forEach { point ->
+                val count = NumassAnalyzer.countInWindow(getSpectrum(point), loChannel, upChannel);
+                val seconds = point.length.toMillis() / 1000.0;
+                val nuPoint = ValueMap(
+                        mapOf(
+                                XYAdapter.X_AXIS to point.voltage,
+                                XYAdapter.Y_AXIS to (count / seconds),
+                                XYAdapter.Y_ERROR_KEY to Math.sqrt(count.toDouble()) / seconds
                         )
+                )
+                Platform.runLater {
+                    spectrumData.append(nuPoint)
+                }
+            }
+            spectrumExportButton.isDisable = false
+        }
     }
 
     private val dTime: Double
@@ -263,51 +303,53 @@ class NumassLoaderView : View() {
             } catch (ex: NumberFormatException) {
                 return 0.0
             }
-
-        }
-
-    private fun getSpectrumPoint(point: NumassPoint, lowChannel: Int, upChannel: Int, dTime: Double): Values {
-        val u = point.voltage
-        return ValueMap(arrayOf(XYAdapter.X_VALUE_KEY, XYAdapter.Y_VALUE_KEY, XYAdapter.Y_ERROR_KEY), u,
-                NumassDataUtils.countRateWithDeadTime(point, lowChannel, upChannel, dTime),
-                NumassDataUtils.countRateWithDeadTimeErr(point, lowChannel, upChannel, dTime))
         }
 
     /**
      * update detector pane with new data
      */
-    private fun updateDetectorPane(data: NumassData) {
+    private fun updateDetectorPane(data: NumassSet) {
-        val points = data.nmPoints;
+
+        Platform.runLater { detectorPlotFrame.clear() }
+
         val work = getWorkManager().getWork("viewer.numass.load.detector")
-        work.maxProgress = points.size.toDouble()
+        work.maxProgress = data.points.count().toDouble();
         work.progress = 0.0
 
-        val normalize = detectorNormalizeSwitch.isSelected
         val binning = detectorBinningSelector.value
 
+        val valueAxis = if (detectorNormalizeSwitch.isSelected) {
+            NumassAnalyzer.COUNT_RATE_KEY
+        } else {
+            NumassAnalyzer.COUNT_KEY
+        }
+
+///        detectorPlot.plot = detectorPlotFrame
         runAsync {
-            points.map { point ->
+            val index = AtomicInteger(0);
-                val seriesName = String.format("%d: %.2f", points.indexOf(point), point.voltage)
+            data.points.map { point ->
-                val datum = PlottableData.plot(seriesName, XYAdapter("chanel", "count"), point.getData(binning, normalize))
+                val seriesName = String.format("%d: %.2f", index.incrementAndGet(), point.voltage)
-                datum.configure(plottableConfig)
+                PlottableData.plot(
+                        seriesName,
+                        XYAdapter(NumassAnalyzer.CHANNEL_KEY, valueAxis),
+                        NumassAnalyzer.spectrumWithBinning(getSpectrum(point), 0, 4000, binning)
+                ).apply {
+                    configure(plottableConfig)
+                }
+            }.forEach {
                 work.increaseProgress(1.0)
-                datum;
+                Platform.runLater {
+                    detectorPlotFrame.add(it)
+                }
             }
         } ui {
-            //TODO do smart update here
-            detectorPlotFrame.setAll(it)
-        }
-
-        detectorPlot.plot = detectorPlotFrame
             work.setProgressToMax()
             detectorDataExportButton.isDisable = false
-
+        }
     }
 
     private fun onSpectrumExportClick(event: ActionEvent) {
         if (data != null) {
-            val points = data!!.nmPoints
-            if (points.isNotEmpty()) {
             val fileChooser = FileChooser()
             fileChooser.title = "Choose text export destination"
             fileChooser.initialFileName = data!!.name + "_spectrum.onComplete"
@@ -317,20 +359,24 @@ class NumassLoaderView : View() {
                 val loChannel = channelSlider.lowValue.toInt()
                 val upChannel = channelSlider.highValue.toInt()
                 val dTime = dTime
-                    val spectrumDataSet = ListTable.Builder(*names)
+//                    val spectrumDataSet = ListTable.Builder(*names)
-
+//
-                    for (point in points) {
+//                    for (point in points) {
-                        spectrumDataSet.row(
+//                        spectrumDataSet.row(
-                                point.voltage,
+//                                point.voltage,
-                                point.voltage,
+//                                point.voltage,
-                                point.length,
+//                                point.length,
-                                point.totalCount,
+//                                point.totalCount,
-                                point.getCountInWindow(loChannel, upChannel),
+//                                point.getCountInWindow(loChannel, upChannel),
-                                NumassDataUtils.countRateWithDeadTime(point, loChannel, upChannel, dTime),
+//                                NumassDataUtils.countRateWithDeadTime(point, loChannel, upChannel, dTime),
-                                NumassDataUtils.countRateWithDeadTimeErr(point, loChannel, upChannel, dTime),
+//                                NumassDataUtils.countRateWithDeadTimeErr(point, loChannel, upChannel, dTime),
-                                point.startTime
+//                                point.startTime
-                        )
+//                        )
-                    }
+//                    }
+                val spectrumDataSet = analyzer.analyze(data, buildMeta {
+                    "window.lo" to loChannel
+                    "window.up" to upChannel
+                })
 
                 try {
                     val comment = String.format("Numass data viewer spectrum data export for %s%n"
@@ -339,14 +385,14 @@ class NumassLoaderView : View() {
                             data!!.name, loChannel, upChannel, dTime)
 
                     ColumnedDataWriter
-                                .writeTable(destination, spectrumDataSet.build(), comment, false)
+                            .writeTable(destination, spectrumDataSet, comment, false)
                 } catch (ex: IOException) {
                     log.log(Level.SEVERE, "Destination file not found", ex)
                 }
 
             }
         }
-        }
+
     }
 
     private fun onExportButtonClick(event: ActionEvent) {

numass-viewer/src/main/kotlin/inr/numass/viewer/test/NumassTest.kt

@@ -0,0 +1,29 @@
+package inr.numass.viewer.test
+
+import hep.dataforge.context.Global
+import hep.dataforge.fx.work.WorkManager
+import inr.numass.data.api.NumassSet
+import inr.numass.data.storage.NumassStorageFactory
+import inr.numass.viewer.NumassLoaderView
+import javafx.application.Application
+import javafx.stage.Stage
+import tornadofx.*
+import java.io.File
+
+/**
+ * Created by darksnake on 17-Jul-17.
+ */
+class NumassTest : App(NumassLoaderView::class) {
+    override fun start(stage: Stage) {
+        super.start(stage)
+        val storage = NumassStorageFactory.buildLocal(File("D:\\Work\\Numass\\data\\2017_05\\"))
+        Global.setDefaultContext(Global.instance())
+        WorkManager().startGlobal()
+        val view = find<NumassLoaderView>();
+        view.data = storage.provide("Fill_1/set_4", NumassSet::class.java).get();
+    }
+}
+
+fun main(args: Array<String>) {
+    Application.launch(NumassTest::class.java)
+}