Function S2CellId.appendVertexNeighbors

Returns the neighbors of closest vertex to this cell at the given level, by appending them to "output". Normally there are four neighbors, but the closest vertex may only have three neighbors if it is one of the 8 cube vertices.


					
			void appendVertexNeighbors(RangeT)
			(
			

			  int level,
			

			  ref RangeT output
			

			) const
			

			if (range.isOutputRange!(RangeT, S2CellId));

Requires

level < this->level(), so that we can determine which vertex is closest (in particular, level == MAX_LEVEL is not allowed).

Authors

ericv@google.com (Eric Veach), madric@gmail.com (Vijay Nayar)

License

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS-IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

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