Merge pull request #1107 from copyme/LMSTFixForCoords

coordinates were swapped
DGtal-team · Jan 11, 2016 · f408482 · f408482
2 parents 11edac2 + 3a9d49f
commit f408482
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diff --git a/ChangeLog.md b/ChangeLog.md
@@ -129,7 +129,10 @@
    the folder ```${PREFIX_PATH}/share/DGtal/html/```. This fixes issue
    [#1095](https://github.com/DGtal-team/DGtal/issues/1095). (David
    Coeurjolly,
-   [#1103]((https://github.com/DGtal-team/DGtal/issues/1103))
+   [#1103](https://github.com/DGtal-team/DGtal/issues/1103))
+ - Fix for swapped coordinates in TangentFromDSS2DFunctor. (Kacper
+   Pluta,
+   [#1083](https://github.com/DGtal-team/DGtal/issues/1083))
 
 - *Base Package*
  - Fix wrong initialization of reverse iterators in SimpleRandomAccess(Const)RangeFromPoint.

diff --git a/src/DGtal/geometry/curves/estimation/FunctorsLambdaMST.h b/src/DGtal/geometry/curves/estimation/FunctorsLambdaMST.h
@@ -142,8 +142,8 @@ class TangentFromDSS2DFunctor
     Value result;
     double norm = std::sqrt ( aDSS.a() * aDSS.a() + aDSS.b() * aDSS.b() );
     result.second = lambdaFunctor ( (double)indexOfPointInDSS / (double)dssLen );
-    result.first[0] = result.second * aDSS.a () / norm;
-    result.first[1] = result.second * aDSS.b () / norm;
+    result.first[0] = result.second * aDSS.b () / norm;
+    result.first[1] = result.second * aDSS.a () / norm;
     return result;
   }
 private: