Rename MultiPass tag class to PointDataGridMultiPass

Signed-off-by: Dan Bailey <danbailey@ilm.com>

Author: danrbailey

openvdb/openvdb/Grid.h

@@ -1199,14 +1199,14 @@ struct IsPointDataLeafNode<PointDataLeafNode<T, Log2Dim>> : std::true_type {};
 /// requires multiple passes to read and write voxel data.
 /// @details Multi-pass I/O allows leaf nodes to optimize their serialization layout
 /// for delayed-load access patterns. Only @c PointDataLeafNode supports multi-pass I/O.
-/// Defining a custom leaf node that inherits @c io::MultiPass is no longer permitted.
+/// Defining a custom leaf node that inherits @c io::PointDataGridMultiPass is no longer permitted.
 /// @sa points::IsPointDataLeafNode
 template<typename LeafNodeType>
 struct HasMultiPassIO {
     static_assert(
-        !std::is_base_of<io::MultiPass, LeafNodeType>::value
+        !std::is_base_of<io::PointDataGridMultiPass, LeafNodeType>::value
         || points::IsPointDataLeafNode<LeafNodeType>::value,
-        "Only PointDataLeafNode may inherit from io::MultiPass; "
+        "Only PointDataLeafNode may inherit from io::PointDataGridMultiPass; "
         "use points::IsPointDataLeafNode to test for multi-pass I/O support.");
     static const bool value = points::IsPointDataLeafNode<LeafNodeType>::value;
 };

openvdb/openvdb/io/io.h

@@ -118,7 +118,7 @@ std::ostream& operator<<(std::ostream&, const StreamMetadata::AuxDataMap&);
 
 /// @brief Tag for multi-pass I/O. Only points::PointDataLeafNode may inherit from this.
 /// @sa Grid::hasMultiPassIO(), points::IsPointDataLeafNode
-struct MultiPass {};
+struct PointDataGridMultiPass {};
 
 
 ////////////////////////////////////////

openvdb/openvdb/points/PointDataGrid.h

@@ -107,7 +107,7 @@ prefetch(PointDataTreeT&, bool /*position*/ = true, bool /*otherAttributes*/ = t
 
 
 template <typename T, Index Log2Dim>
-class PointDataLeafNode : public tree::LeafNode<T, Log2Dim>, io::MultiPass {
+class PointDataLeafNode : public tree::LeafNode<T, Log2Dim>, io::PointDataGridMultiPass {
 
 public:
     using LeafNodeType  = PointDataLeafNode<T, Log2Dim>;