REFAC: Added comment.

a9850ba1 · Stéphane Albert · 3a52630d · a9850ba1
Commit a9850ba1 authored Mar 23, 2016 by Stéphane Albert
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Modules/IO/IOGDAL/src/otbGDALOverviewsBuilder.cxx Modules/IO/IOGDAL/src/otbGDALOverviewsBuilder.cxx +2 -0

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--- a/Modules/IO/IOGDAL/src/otbGDALOverviewsBuilder.cxx
+++ b/Modules/IO/IOGDAL/src/otbGDALOverviewsBuilder.cxx
@@ -247,6 +247,8 @@ GDALOverviewsBuilder
 {
  assert( !m_GDALDataset.IsNull() );

+  // Return only GDAL already generated overview count as opposed to
+  // ImageIO::GetOverviewsCount() which include full image as one level.
  return m_GDALDataset->GetOverviewsCount();
 }