Minor fixes in plots

numass-main/src/main/kotlin/inr/numass/data/Visualization.kt

@@ -38,7 +38,7 @@ fun NumassBlock.plotAmplitudeSpectrum(plotName: String = "spectrum", frameName:
     val lo = meta.optNumber("window.lo").nullable?.toInt()
     val up = meta.optNumber("window.up").nullable?.toInt()
     val data = SmartAnalyzer().getAmplitudeSpectrum(this, meta.getMetaOrEmpty("spectrum")).withBinning(binning, lo, up)
-    context.display(
+    context.display {
         JFreeChartFrame().apply {
             val valueAxis = if (meta.getBoolean("normalize", false)) {
                 NumassAnalyzer.COUNT_RATE_KEY
@@ -61,5 +61,5 @@ fun NumassBlock.plotAmplitudeSpectrum(plotName: String = "spectrum", frameName:
             plot.configure(meta)
             add(plot)
         }
-    )
+    }
 }

numass-main/src/main/kotlin/inr/numass/models/mc/BetaSampler.kt

@@ -47,10 +47,10 @@ fun main(args: Array<String>) {
         50 * distribution.density(18600.0 - it)
     }
 
-    Global.display(
+    Global.display {
         chart {
             add(spectrumPlot)
             add(distributionPlot)
         }
-    )
+    }
 }

numass-main/src/main/kotlin/inr/numass/scripts/models/IntegralSpectrum.kt

@@ -0,0 +1,78 @@
+/*
+ * Copyright  2018 Alexander Nozik.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+package inr.numass.scripts.models
+
+import hep.dataforge.context.Global
+import hep.dataforge.fx.plots.display
+import hep.dataforge.kodex.configure
+import hep.dataforge.kodex.step
+import hep.dataforge.meta.Meta
+import hep.dataforge.plots.Plot
+import hep.dataforge.plots.data.DataPlot
+import hep.dataforge.plots.jfreechart.JFreeChartFrame
+import hep.dataforge.plots.jfreechart.JFreeChartPlugin
+import hep.dataforge.stat.fit.ParamSet
+import inr.numass.NumassPlugin
+import inr.numass.models.NBkgSpectrum
+import inr.numass.models.sterile.SterileNeutrinoSpectrum
+
+
+fun main(args: Array<String>) {
+    JFreeChartPlugin().startGlobal()
+    NumassPlugin().startGlobal()
+
+    val sp = SterileNeutrinoSpectrum(Global, Meta.empty())
+    //beta.setCaching(false);
+
+    val spectrum = NBkgSpectrum(sp)
+    //val model = XYModel(Meta.empty(), SpectrumAdapter(Meta.empty()), spectrum)
+
+    val params = ParamSet().apply {
+        setPar("N", 2e6 / 100, 6.0, 0.0, Double.POSITIVE_INFINITY)
+        setPar("bkg", 2.0, 0.03)
+        setPar("E0", 18575.0, 1.0)
+        setPar("mnu2", 0.0, 1.0)
+        setParValue("msterile2", (8000 * 8000).toDouble())
+        setPar("U2", 0.0, 1e-3)
+        setPar("X", 0.1, 0.01)
+        setPar("trap", 1.0, 0.01)
+    }
+
+    fun plotSpectrum(name: String, vararg override: Pair<String, Double>): Plot {
+        val pars = params.copy().apply {
+            override.forEach {
+                setParValue(it.first,it.second)
+            }
+        }
+        val x = (14000.0..18600.0).step(100.0).toList()
+        val y = x.map { spectrum.value(it, pars) }
+        return DataPlot.plot(name, x.toDoubleArray(), y.toDoubleArray())
+    }
+
+    Global.display {
+        JFreeChartFrame().apply {
+            plots.configure {
+                "showLine" to true
+                "showSymbol" to false
+                "showErrors" to false
+            }
+            add(plotSpectrum("base"))
+            add(plotSpectrum("noTrap", "trap" to 0.0))
+        }
+    }
+
+}