diff --git a/mapproxy/src/mapproxy/generator/metatile.cpp b/mapproxy/src/mapproxy/generator/metatile.cpp
index 767cca3..d33ea1d 100644
--- a/mapproxy/src/mapproxy/generator/metatile.cpp
+++ b/mapproxy/src/mapproxy/generator/metatile.cpp
@@ -180,7 +180,7 @@ metatileFromDemImpl(const vts::TileId &tileId, Sink &sink, Arsenal &arsenal
                     , const MaskTree &maskTree
                     , const boost::optional<int> &displaySize
                     , const HeightFunction::pointer &heightFunction
-                    , vts::SubMesh::TextureMode textureMode)
+                    , const MetatileOverrides &overrides)
 {
     auto blocks(metatileBlocks(resource, tileId));
 
@@ -194,7 +194,9 @@ metatileFromDemImpl(const vts::TileId &tileId, Sink &sink, Arsenal &arsenal
     vts::MetaTile metatile(tileId, rf.metaBinaryOrder);
 
     const std::size_t internalTextureCount
-        (textureMode == vts::SubMesh::internal);
+        (overrides.textureMode == vts::SubMesh::internal);
+
+    const auto credits(overrides.mergedCredits(resource.credits));
 
     auto setChildren([&](const MetatileBlock &block
                          , const vts::TileId &nodeId, vts::MetaNode &node)
@@ -414,7 +416,7 @@ metatileFromDemImpl(const vts::TileId &tileId, Sink &sink, Arsenal &arsenal
                 // calculate texel size and surrogate
                 if (geometry) {
                     // set credits
-                    node.updateCredits(resource.credits);
+                    node.updateCredits(credits);
 
                     // texturing
                     node.internalTextureCount(internalTextureCount);
@@ -472,12 +474,12 @@ metatileFromDem(const vts::TileId &tileId, Sink &sink, Arsenal &arsenal
                 , const MaskTree &maskTree
                 , const boost::optional<int> &displaySize
                 , const HeightFunction::pointer &heightFunction
-                , vts::SubMesh::TextureMode textureMode)
+                , const MetatileOverrides &overrides)
 
 {
     return metatileFromDemImpl(tileId, sink, arsenal, resource, tileIndex
                                , demDataset, geoidGrid, maskTree, displaySize
-                               , heightFunction, textureMode);
+                               , heightFunction, overrides);
 }
 
 
@@ -490,10 +492,10 @@ metatileFromDem(const vts::TileId &tileId, Sink &sink, Arsenal &arsenal
                 , const MaskTree &maskTree
                 , const boost::optional<int> &displaySize
                 , const HeightFunction::pointer &heightFunction
-                , vts::SubMesh::TextureMode textureMode)
+                , const MetatileOverrides &overrides)
 {
     return metatileFromDemImpl(tileId, sink, arsenal, resource, tileIndex
                                , demDataset, geoidGrid, maskTree, displaySize
-                               , heightFunction, textureMode);
+                               , heightFunction, overrides);
 
 }
diff --git a/mapproxy/src/mapproxy/generator/metatile.hpp b/mapproxy/src/mapproxy/generator/metatile.hpp
index b8226c9..5dabfaf 100644
--- a/mapproxy/src/mapproxy/generator/metatile.hpp
+++ b/mapproxy/src/mapproxy/generator/metatile.hpp
@@ -37,6 +37,31 @@
 
 #include "../heightfunction.hpp"
 
+struct MetatileOverrides {
+    enum class CreditsMode { replace, add };
+
+    vts::SubMesh::TextureMode textureMode;
+    DualId::set credits;
+    CreditsMode creditsMode;
+
+    MetatileOverrides()
+        : textureMode(vts::SubMesh::external)
+        , creditsMode(CreditsMode::add)
+    {}
+
+    MetatileOverrides(vts::SubMesh::TextureMode textureMode)
+        : textureMode(textureMode)
+        , creditsMode(CreditsMode::add)
+
+    {}
+
+    void addCredits(const DualId::set &addition);
+
+    DualId::set mergedCredits(const DualId::set &original) const;
+
+    vr::IdSet mergedCredits(const vr::IdSet &original) const;
+};
+
 vts::MetaTile metatileFromDem(const vts::TileId &tileId, Sink &sink
                               , Arsenal &arsenal
                               , const Resource &resource
@@ -48,8 +73,8 @@ vts::MetaTile metatileFromDem(const vts::TileId &tileId, Sink &sink
                               = boost::none
                               , const HeightFunction::pointer &heightFunction
                               = HeightFunction::pointer()
-                              , vts::SubMesh::TextureMode textureMode
-                              = vts::SubMesh::external);
+                              , const MetatileOverrides &overrides
+                              = MetatileOverrides());
 
 vts::MetaTile metatileFromDem(const vts::TileId &tileId, Sink &sink
                               , Arsenal &arsenal
@@ -62,7 +87,39 @@ vts::MetaTile metatileFromDem(const vts::TileId &tileId, Sink &sink
                               = boost::none
                               , const HeightFunction::pointer &heightFunction
                               = HeightFunction::pointer()
-                              , vts::SubMesh::TextureMode textureMode
-                              = vts::SubMesh::external);
+                              , const MetatileOverrides &overrides
+                              = MetatileOverrides());
+
+// inines
+
+inline DualId::set
+MetatileOverrides::mergedCredits(const DualId::set &original) const
+{
+    // just send configured credits
+    if (creditsMode == CreditsMode::replace) { return credits; }
+
+    // merge original with configured credits
+    auto c(original);
+    c.insert(credits.begin(), credits.end());
+    return c;
+}
+
+inline vr::IdSet
+MetatileOverrides::mergedCredits(const vr::IdSet &original) const
+{
+    const auto thisCredits(asIntSet(credits));
+    // just send configured credits
+    if (creditsMode == CreditsMode::replace) { return thisCredits; }
+
+    // merge original with configured credits
+    auto c(original);
+    c.insert(thisCredits.begin(), thisCredits.end());
+    return c;
+}
+
+inline void MetatileOverrides::addCredits(const DualId::set &addition)
+{
+    credits.insert(addition.begin(), addition.end());
+}
 
 #endif // mapproxy_metatile_hpp_included_
diff --git a/mapproxy/src/mapproxy/generator/providers.hpp b/mapproxy/src/mapproxy/generator/providers.hpp
index 48565e8..321ca0c 100644
--- a/mapproxy/src/mapproxy/generator/providers.hpp
+++ b/mapproxy/src/mapproxy/generator/providers.hpp
@@ -39,6 +39,8 @@
 #include "../generator.hpp"
 #include "../definition.hpp"
 
+#include "metatile.hpp"
+
 namespace vts = vtslibs::vts;
 namespace vre = vtslibs::registry::extensions;
 
@@ -50,22 +52,21 @@ class VtsTilesetProvider {
 
     /** Generates mesh and sends it to the output.
      */
-    Generator::Task generateMesh(const vts::TileId &tileId
-                                 , Sink &sink
-                                 , const SurfaceFileInfo &fileInfo
-                                 , vts::SubMesh::TextureMode textureMode
-                                 = vts::SubMesh::external) const;
+    Generator::Task mesh(const vts::TileId &tileId, Sink &sink
+                         , const SurfaceFileInfo &fileInfo
+                         , vts::SubMesh::TextureMode textureMode
+                         = vts::SubMesh::external) const;
 
     /** Generates metatile/debug node and sends it to the output.
      */
-    Generator::Task generateMetatile(const vts::TileId &tileId, Sink &sink
-                                     , const SurfaceFileInfo &fileInfo
-                                     , vts::SubMesh::TextureMode textureMode
-                                     = vts::SubMesh::external) const;
+    Generator::Task metatile(const vts::TileId &tileId, Sink &sink
+                             , const SurfaceFileInfo &fileInfo
+                             , const MetatileOverrides &overrides
+                             = MetatileOverrides()) const;
 
     /** Alias for surface file generation.
      */
-    Generator::Task generateFile(const FileInfo &fileInfo, Sink sink) const;
+    Generator::Task file(const FileInfo &fileInfo, Sink sink) const;
 
     /** Returns path to VTS file if supported.
      */
@@ -77,17 +78,17 @@ class VtsTilesetProvider {
 
 private:
     virtual Generator::Task
-    generateMesh_impl(const vts::TileId &tileId, Sink &sink
-                      , const SurfaceFileInfo &fileInfo
-                      , vts::SubMesh::TextureMode textureMode) const = 0;
+    mesh_impl(const vts::TileId &tileId, Sink &sink
+              , const SurfaceFileInfo &fileInfo
+              , vts::SubMesh::TextureMode textureMode) const = 0;
 
     virtual Generator::Task
-    generateMetatile_impl(const vts::TileId &tileId, Sink &sink
-                          , const SurfaceFileInfo &fileInfo
-                          , vts::SubMesh::TextureMode textureMode) const = 0;
+    metatile_impl(const vts::TileId &tileId, Sink &sink
+                  , const SurfaceFileInfo &fileInfo
+                  , const MetatileOverrides &overrides) const = 0;
 
     virtual Generator::Task
-    generateFile_impl(const FileInfo &fileInfo, Sink sink) const = 0;
+    file_impl(const FileInfo &fileInfo, Sink sink) const = 0;
 
     virtual boost::optional<boost::filesystem::path> path_impl(vts::File file)
         const = 0;
@@ -101,44 +102,43 @@ class VtsAtlasProvider {
 
     /** Generates image/atlas and sends it to the output.
      */
-    Generator::Task generateAtlas(const vts::TileId &tileId, Sink &sink
-                                  , const Sink::FileInfo &sfi
-                                  , bool atlas = false) const;
+    Generator::Task atlas(const vts::TileId &tileId, Sink &sink
+                          , const Sink::FileInfo &sfi
+                          , bool atlas = false) const;
 
 private:
     /** Generates image/atlas and sends it to the output.
      */
     virtual Generator::Task
-    generateAtlas_impl(const vts::TileId &tileId, Sink &sink
-                       , const Sink::FileInfo &sfi
-                       , bool atlas = false) const = 0;
+    atlas_impl(const vts::TileId &tileId, Sink &sink
+               , const Sink::FileInfo &sfi
+               , bool atlas = false) const = 0;
 };
 
 // inlines
 
 inline Generator::Task
-VtsTilesetProvider::generateMesh(const vts::TileId &tileId, Sink &sink
-                                 , const SurfaceFileInfo &fileInfo
-                                 , vts::SubMesh::TextureMode textureMode)
+VtsTilesetProvider::mesh(const vts::TileId &tileId, Sink &sink
+                         , const SurfaceFileInfo &fileInfo
+                         , vts::SubMesh::TextureMode textureMode)
     const
 {
-    return generateMesh_impl(tileId, sink, fileInfo, textureMode);
+    return mesh_impl(tileId, sink, fileInfo, textureMode);
 }
 
 inline Generator::Task
-VtsTilesetProvider::generateMetatile(const vts::TileId &tileId, Sink &sink
-                                     , const SurfaceFileInfo &fileInfo
-                                     , vts::SubMesh::TextureMode
-                                     textureMode)
+VtsTilesetProvider::metatile(const vts::TileId &tileId, Sink &sink
+                             , const SurfaceFileInfo &fileInfo
+                             , const MetatileOverrides &overrides)
     const
 {
-    return generateMetatile_impl(tileId, sink, fileInfo, textureMode);
+    return metatile_impl(tileId, sink, fileInfo, overrides);
 }
 
 inline Generator::Task
-VtsTilesetProvider::generateFile(const FileInfo &fileInfo, Sink sink) const
+VtsTilesetProvider::file(const FileInfo &fileInfo, Sink sink) const
 {
-    return generateFile_impl(fileInfo, sink);
+    return file_impl(fileInfo, sink);
 }
 
 inline boost::optional<boost::filesystem::path>
@@ -153,11 +153,11 @@ inline vts::FullTileSetProperties VtsTilesetProvider::properties() const
 }
 
 inline Generator::Task
-VtsAtlasProvider::generateAtlas(const vts::TileId &tileId, Sink &sink
-                                , const Sink::FileInfo &sfi
-                                , bool atlas) const
+VtsAtlasProvider::atlas(const vts::TileId &tileId, Sink &sink
+                        , const Sink::FileInfo &sfi
+                        , bool atlas) const
 {
-    return generateAtlas_impl(tileId, sink, sfi, atlas);
+    return atlas_impl(tileId, sink, sfi, atlas);
 }
 
 } // namespace generator
diff --git a/mapproxy/src/mapproxy/generator/surface-dem.cpp b/mapproxy/src/mapproxy/generator/surface-dem.cpp
index b7f4035..c4d4782 100644
--- a/mapproxy/src/mapproxy/generator/surface-dem.cpp
+++ b/mapproxy/src/mapproxy/generator/surface-dem.cpp
@@ -229,7 +229,7 @@ void SurfaceDem::generateMetatile(const vts::TileId &tileId
                                   , Sink &sink
                                   , const SurfaceFileInfo &fi
                                   , Arsenal &arsenal
-                                  , vts::SubMesh::TextureMode textureMode)
+                                  , const MetatileOverrides &overrides)
     const
 {
     sink.checkAborted();
@@ -239,7 +239,7 @@ void SurfaceDem::generateMetatile(const vts::TileId &tileId
         return;
     }
 
-    auto metatile(generateMetatileImpl(tileId, sink, arsenal, textureMode));
+    auto metatile(generateMetatileImpl(tileId, sink, arsenal, overrides));
 
     // write metatile to stream
     std::ostringstream os;
@@ -250,13 +250,13 @@ void SurfaceDem::generateMetatile(const vts::TileId &tileId
 vts::MetaTile
 SurfaceDem::generateMetatileImpl(const vts::TileId &tileId
                                  , Sink &sink, Arsenal &arsenal
-                                 , vts::SubMesh::TextureMode textureMode) const
+                                 , const MetatileOverrides &overrides) const
 {
     return metatileFromDem(tileId, sink, arsenal, resource()
                            , index_->tileIndex, dem_.dataset
                            , dem_.geoidGrid, maskTree_, boost::none
                            , definition_.heightFunction
-                           , textureMode);
+                           , overrides);
 }
 
 namespace {
diff --git a/mapproxy/src/mapproxy/generator/surface-dem.hpp b/mapproxy/src/mapproxy/generator/surface-dem.hpp
index 269de62..6f9d570 100644
--- a/mapproxy/src/mapproxy/generator/surface-dem.hpp
+++ b/mapproxy/src/mapproxy/generator/surface-dem.hpp
@@ -55,7 +55,7 @@ class SurfaceDem : public SurfaceBase {
                                   , Sink &sink
                                   , const SurfaceFileInfo &fileInfo
                                   , Arsenal &arsenal
-                                  , vts::SubMesh::TextureMode textureMode)
+                                  , const MetatileOverrides &overrides)
         const;
 
     virtual AugmentedMesh
@@ -69,8 +69,8 @@ class SurfaceDem : public SurfaceBase {
 
     vts::MetaTile generateMetatileImpl(const vts::TileId &tileId
                                        , Sink &sink, Arsenal &arsenal
-                                       , vts::SubMesh::TextureMode textureMode
-                                       = vts::SubMesh::external)
+                                       , const MetatileOverrides &overrides
+                                       = MetatileOverrides())
         const;
 
     void addToRegistry();
diff --git a/mapproxy/src/mapproxy/generator/surface-meta.cpp b/mapproxy/src/mapproxy/generator/surface-meta.cpp
index d1ed1a1..242c7d7 100644
--- a/mapproxy/src/mapproxy/generator/surface-meta.cpp
+++ b/mapproxy/src/mapproxy/generator/surface-meta.cpp
@@ -101,6 +101,7 @@ utility::PreMain Factory::register_([]()
 SurfaceMeta::SurfaceMeta(const Params &params)
     : Generator(params)
     , definition_(resource().definition<Definition>())
+    , metatileOverrides_(vts::SubMesh::internal)
 {}
 
 SurfaceMeta::~SurfaceMeta() {}
@@ -138,12 +139,17 @@ void SurfaceMeta::prepare_impl(Arsenal&)
     // reflect revision changes in the underlying resources
     updateRevision(surface_->resource().revision);
     updateRevision(tms_->resource().revision);
+
+    // join this resource's credits with tms credits
+    metatileOverrides_.addCredits(resource().credits);
+    metatileOverrides_.addCredits(tms_->resource().credits);
 }
 
 vts::FullTileSetProperties SurfaceMeta::properties() const
 {
     auto properties(ts_->properties());
     properties.revision = resource().revision;
+    properties.credits = metatileOverrides_.mergedCredits(properties.credits);
     return properties;
 }
 
@@ -193,7 +199,7 @@ Generator::Task SurfaceMeta
 ::generateFile_impl(const FileInfo &fileInfo, Sink &sink) const
 {
     if (fileInfo.interface.interface != GeneratorInterface::Interface::vts) {
-        return ts_->generateFile(fileInfo, sink);
+        return ts_->file(fileInfo, sink);
     }
 
     SurfaceFileInfo fi(fileInfo);
@@ -245,15 +251,13 @@ ::generateFile_impl(const FileInfo &fileInfo, Sink &sink) const
 
         switch (fi.tileType) {
         case vts::TileFile::meta:
-            return ts_->generateMetatile(fi.tileId, sink, fi
-                                         , vts::SubMesh::internal);
+            return ts_->metatile(fi.tileId, sink, fi, metatileOverrides_);
 
         case vts::TileFile::mesh:
-            return ts_->generateMesh(fi.tileId, sink, fi
-                                     , vts::SubMesh::internal);
+            return ts_->mesh(fi.tileId, sink, fi, vts::SubMesh::internal);
 
         case vts::TileFile::atlas:
-            return atlas_->generateAtlas
+            return atlas_->atlas
                 (fi.tileId, sink, fi.sinkFileInfo()
                  , (fi.flavor == vts::FileFlavor::raw));
 
@@ -277,7 +281,7 @@ ::generateFile_impl(const FileInfo &fileInfo, Sink &sink) const
     default: break;
     }
 
-    return ts_->generateFile(fileInfo, sink);
+    return ts_->file(fileInfo, sink);
 }
 
 } // namespace generator
diff --git a/mapproxy/src/mapproxy/generator/surface-meta.hpp b/mapproxy/src/mapproxy/generator/surface-meta.hpp
index 0e902f7..338c061 100644
--- a/mapproxy/src/mapproxy/generator/surface-meta.hpp
+++ b/mapproxy/src/mapproxy/generator/surface-meta.hpp
@@ -69,6 +69,8 @@ class SurfaceMeta : public Generator {
     /** Pointer owned by tms.
      */
     VtsAtlasProvider *atlas_;
+
+    MetatileOverrides metatileOverrides_;
 };
 
 } // namespace generator
diff --git a/mapproxy/src/mapproxy/generator/surface-spheroid.cpp b/mapproxy/src/mapproxy/generator/surface-spheroid.cpp
index 6733cce..cca3afb 100644
--- a/mapproxy/src/mapproxy/generator/surface-spheroid.cpp
+++ b/mapproxy/src/mapproxy/generator/surface-spheroid.cpp
@@ -242,7 +242,7 @@ void SurfaceSpheroid::generateMetatile(const vts::TileId &tileId
                                        , Sink &sink
                                        , const SurfaceFileInfo &fi
                                        , Arsenal&
-                                       , vts::SubMesh::TextureMode textureMode)
+                                       , const MetatileOverrides &overrides)
     const
 {
     sink.checkAborted();
@@ -297,7 +297,8 @@ void SurfaceSpheroid::generateMetatile(const vts::TileId &tileId
 
     // set internal texture count to 1 if we are generating internal textures
     const std::size_t internalTextureCount
-        (textureMode == vts::SubMesh::internal);
+        (overrides.textureMode == vts::SubMesh::internal);
+    const auto credits(overrides.mergedCredits(resource().credits));
 
     for (const auto &block : blocks) {
         const auto &view(block.view);
@@ -430,7 +431,7 @@ void SurfaceSpheroid::generateMetatile(const vts::TileId &tileId
                 node.heightRange.max = std::ceil(heightRange.max);
 
                 // set credits
-                node.updateCredits(resource().credits);
+                node.updateCredits(credits);
 
                 // texturing
                 node.internalTextureCount(internalTextureCount);
diff --git a/mapproxy/src/mapproxy/generator/surface-spheroid.hpp b/mapproxy/src/mapproxy/generator/surface-spheroid.hpp
index 81dee0a..1b16b36 100644
--- a/mapproxy/src/mapproxy/generator/surface-spheroid.hpp
+++ b/mapproxy/src/mapproxy/generator/surface-spheroid.hpp
@@ -50,7 +50,7 @@ class SurfaceSpheroid : public SurfaceBase {
                                   , Sink &sink
                                   , const SurfaceFileInfo &fileInfo
                                   , Arsenal &arsenal
-                                  , vts::SubMesh::TextureMode textureMode)
+                                  , const MetatileOverrides &overrides)
         const;
 
     virtual AugmentedMesh generateMeshImpl(const vts::NodeInfo &nodeInfo
diff --git a/mapproxy/src/mapproxy/generator/surface.cpp b/mapproxy/src/mapproxy/generator/surface.cpp
index 7d0bce1..b3a570f 100644
--- a/mapproxy/src/mapproxy/generator/surface.cpp
+++ b/mapproxy/src/mapproxy/generator/surface.cpp
@@ -106,9 +106,9 @@ class SurfaceProvider
     {}
 
 private:
-    Generator::Task generateMesh_impl(const vts::TileId &tileId, Sink&
-                                      , const SurfaceFileInfo &fileInfo
-                                      , vts::SubMesh::TextureMode textureMode)
+    Generator::Task mesh_impl(const vts::TileId &tileId, Sink&
+                              , const SurfaceFileInfo &fileInfo
+                              , vts::SubMesh::TextureMode textureMode)
         const override
     {
         return [=](Sink &sink, Arsenal &arsenal) {
@@ -117,26 +117,25 @@ class SurfaceProvider
         };
     }
 
-    Generator::Task generateMetatile_impl(const vts::TileId &tileId, Sink&
-                                          , const SurfaceFileInfo &fileInfo
-                                          , vts::SubMesh::TextureMode
-                                          textureMode)
+    Generator::Task metatile_impl(const vts::TileId &tileId, Sink&
+                                  , const SurfaceFileInfo &fileInfo
+                                  , const MetatileOverrides &overrides)
         const override
     {
         return [=](Sink &sink, Arsenal &arsenal) {
             if (fileInfo.flavor == vts::FileFlavor::debug) {
                 // debug metanode
                 surface_.generateDebugNode
-                    (tileId, sink, fileInfo, arsenal, textureMode);
+                    (tileId, sink, fileInfo, arsenal, overrides.textureMode);
             } else {
                 // real metatile
                 surface_.generateMetatile
-                    (tileId, sink, fileInfo, arsenal, textureMode);
+                    (tileId, sink, fileInfo, arsenal, overrides);
             }
         };
     }
 
-    Generator::Task generateFile_impl(const FileInfo &fileInfo, Sink sink)
+    Generator::Task file_impl(const FileInfo &fileInfo, Sink sink)
         const override
     {
         return surface_.generateFile(fileInfo, sink);
diff --git a/mapproxy/src/mapproxy/generator/surface.hpp b/mapproxy/src/mapproxy/generator/surface.hpp
index 7d43e14..71a11e3 100644
--- a/mapproxy/src/mapproxy/generator/surface.hpp
+++ b/mapproxy/src/mapproxy/generator/surface.hpp
@@ -38,6 +38,7 @@
 #include "../support/mmapped/tilesetindex.hpp"
 #include "../generator.hpp"
 #include "../definition.hpp"
+#include "metatile.hpp"
 
 namespace vts = vtslibs::vts;
 namespace vre = vtslibs::registry::extensions;
@@ -72,8 +73,8 @@ class SurfaceBase : public Generator {
                                   , Sink &sink
                                   , const SurfaceFileInfo &fileInfo
                                   , Arsenal &arsenal
-                                  , vts::SubMesh::TextureMode textureMode
-                                  = vts::SubMesh::external) const = 0;
+                                  , const MetatileOverrides &overrides
+                                  = MetatileOverrides()) const = 0;
 
     void generateMesh(const vts::TileId &tileId
                       , Sink &sink
diff --git a/mapproxy/src/mapproxy/generator/tms-raster-base.cpp b/mapproxy/src/mapproxy/generator/tms-raster-base.cpp
index ed381fb..c8a2db6 100644
--- a/mapproxy/src/mapproxy/generator/tms-raster-base.cpp
+++ b/mapproxy/src/mapproxy/generator/tms-raster-base.cpp
@@ -64,9 +64,9 @@ class AtlasProvider
     {}
 
 private:
-    Generator::Task generateAtlas_impl(const vts::TileId &tileId, Sink&
-                                       , const Sink::FileInfo &sfi
-                                       , bool atlas) const override
+    Generator::Task atlas_impl(const vts::TileId &tileId, Sink&
+                               , const Sink::FileInfo &sfi
+                               , bool atlas) const override
     {
         TmsRasterBase::ImageFlags imageFlags;
         imageFlags.forceFormat = true;