upd reference

GUI/View/Realspace/RealspaceBuilder.cpp

@@ -102,8 +102,8 @@ std::unique_ptr<const double2d_t> layerRoughnessMap(const LayerItem& layerItem,
         interlayer = roughItem->certainInterlayerModel()->createModel();
 
     if (const auto* br = dynamic_cast<const BasicRoughnessItem*>(roughItem))
-        autocorrelation = std::make_unique<K_CorrelationModel>(br->sigma().dVal(), br->hurst().dVal(),
-                                                          br->lateralCorrelationLength().dVal());
+        autocorrelation = std::make_unique<K_CorrelationModel>(
+            br->sigma().dVal(), br->hurst().dVal(), br->lateralCorrelationLength().dVal());
 
     auto roughness = LayerRoughness(autocorrelation.get(), interlayer.get());
     if (roughness.sigma() == 0)

Sample/Interface/AutocorrelationModels.h

@@ -33,8 +33,9 @@ public:
 #endif
 };
 
-//! Based on the article "X-ray reflection and transmission by rough surfaces"
-//! by D. K. G. de Boer, Physical Review B 51, 5297 (1995)
+//! The model is described e.g. in the article "Roughness spectrum and surface width of self-affine
+//! fractal surfaces via the K-correlation model" by G. Palasantzas, Physical Review B 48,
+//! 14472-14478 (1993)
 class K_CorrelationModel : public AutocorrelationModel {
 public:
     K_CorrelationModel(double sigma = 0, double hurst = 0, double lateralCorrLength = 0);

Tests/Unit/Sample/MultiLayerTest.cpp

@@ -152,7 +152,8 @@ TEST_F(MultiLayerTest, WithRoughness)
     const LayerRoughness* roughness1 = interface1->roughness();
 
     EXPECT_TRUE(roughness0);
-    auto* roughness0_AC = dynamic_cast<const K_CorrelationModel*>(roughness0->autocorrelationModel());
+    auto* roughness0_AC =
+        dynamic_cast<const K_CorrelationModel*>(roughness0->autocorrelationModel());
     EXPECT_TRUE(roughness0_AC);
 
     EXPECT_EQ(1.1, roughness0->sigma());
@@ -190,14 +191,16 @@ TEST_F(MultiLayerTest, CloneWithRoughness)
     EXPECT_TRUE(roughness0);
     EXPECT_TRUE(roughness1);
 
-    auto* roughness0_AC = dynamic_cast<const K_CorrelationModel*>(roughness0->autocorrelationModel());
+    auto* roughness0_AC =
+        dynamic_cast<const K_CorrelationModel*>(roughness0->autocorrelationModel());
     EXPECT_TRUE(roughness0_AC);
 
     EXPECT_EQ(2.1, roughness0->sigma());
     EXPECT_EQ(.3, roughness0_AC->hurst());
     EXPECT_EQ(12.1, roughness0_AC->lateralCorrLength());
 
-    auto* roughness1_AC = dynamic_cast<const K_CorrelationModel*>(roughness1->autocorrelationModel());
+    auto* roughness1_AC =
+        dynamic_cast<const K_CorrelationModel*>(roughness1->autocorrelationModel());
     EXPECT_TRUE(roughness1_AC);
 
     EXPECT_EQ(1.1, roughness1->sigma());