diff --git a/app/src/main/kotlin/jackall/moncalc/model/PieChartModel.kt b/app/src/main/kotlin/jackall/moncalc/model/PieChartModel.kt
index a0d58d8..44ea538 100644
--- a/app/src/main/kotlin/jackall/moncalc/model/PieChartModel.kt
+++ b/app/src/main/kotlin/jackall/moncalc/model/PieChartModel.kt
@@ -21,6 +21,11 @@
         setDataSetsConfig()
     }
 
+    fun setValueLinePart(length1: Float, length2: Float) {
+        dataSets.valueLinePart1Length = length1
+        dataSets.valueLinePart2Length = length2
+    }
+
     fun setDataSetsConfig() {
         dataSets.setSliceSpace(2f)
         dataSets.setValueTextSize(15f)