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Diffstat (limited to 'vendor/github.com/golang/geo/s2/doc.go')
| -rw-r--r-- | vendor/github.com/golang/geo/s2/doc.go | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/vendor/github.com/golang/geo/s2/doc.go b/vendor/github.com/golang/geo/s2/doc.go new file mode 100644 index 000000000..43e7a6344 --- /dev/null +++ b/vendor/github.com/golang/geo/s2/doc.go @@ -0,0 +1,29 @@ +// Copyright 2014 Google Inc. All rights reserved. +// +// 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. + +/* +Package s2 is a library for working with geometry in S² (spherical geometry). + +Its related packages, parallel to this one, are s1 (operates on S¹), r1 (operates on ℝ¹), +r2 (operates on ℝ²) and r3 (operates on ℝ³). + +This package provides types and functions for the S2 cell hierarchy and coordinate systems. +The S2 cell hierarchy is a hierarchical decomposition of the surface of a unit sphere (S²) +into ``cells''; it is highly efficient, scales from continental size to under 1 cm² +and preserves spatial locality (nearby cells have close IDs). + +More information including an in-depth introduction to S2 can be found on the +S2 website https://s2geometry.io/ +*/ +package s2 |