X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=vv%2FvvSlicer.cxx;h=5a15a16a3188f218f031004cd0397f4f69a777da;hb=efa24a68cef91cacd545be62970e3af8fecf180a;hp=24a552b251486faffaf677ebf989f9174686c883;hpb=358b7d254e07d4eae0cb1350b580783a82c1638f;p=clitk.git

diff --git a/vv/vvSlicer.cxx b/vv/vvSlicer.cxx
index 24a552b..5a15a16 100644
--- a/vv/vvSlicer.cxx
+++ b/vv/vvSlicer.cxx
@@ -1214,6 +1214,14 @@ double vvSlicer::GetScalarComponentAsDouble(vtkImageData *image, int X, double Y
   ix = lrint(X);
   iy = lrint(Y);
   iz = lrint(Z);
+  if (ix < image->GetWholeExtent()[0] ||
+      ix > image->GetWholeExtent()[1] ||
+      iy < image->GetWholeExtent()[2] ||
+      iy > image->GetWholeExtent()[3] ||
+      iz < image->GetWholeExtent()[4] ||
+      iz > image->GetWholeExtent()[5] )
+    return sqrt(-1.);
+
   image->SetUpdateExtent(ix, ix, iy, iy, iz, iz);
   image->Update();
   return image->GetScalarComponentAsDouble(ix, iy, iz, component);