Ladybug-geometry

[1.21.0](https://github.com/ladybug-tools/ladybug-geometry/compare/v1.20.3...v1.21.0) (2020-07-04)


Features

* **LineSegment2D:** Add is_equivalent method to line2d and tests. ([a3b42df](https://github.com/ladybug-tools/ladybug-geometry/commit/a3b42df4f3383a8d611bece48d398a3d1797b4ee))

[1.20.3](https://github.com/ladybug-tools/ladybug-geometry/compare/v1.20.2...v1.20.3) (2020-06-17)


Bug Fixes

* **polyface:** Remove under-the-hood zero tolerance ([ba78f8b](https://github.com/ladybug-tools/ladybug-geometry/commit/ba78f8b9d41337b779f375b81d6bfb33ee0db18f))

[1.20.2](https://github.com/ladybug-tools/ladybug-geometry/compare/v1.20.1...v1.20.2) (2020-06-17)


Bug Fixes

* **face:** Fix bug in Face3D automatic normal calculation ([ef1e42f](https://github.com/ladybug-tools/ladybug-geometry/commit/ef1e42faf85516838d3bbd0b971c3eac84a83eca))

[1.20.1](https://github.com/ladybug-tools/ladybug-geometry/compare/v1.20.0...v1.20.1) (2020-05-15)


Bug Fixes

* **tolerance:** Require input of tolerance and do not use 0 ([e79e383](https://github.com/ladybug-tools/ladybug-geometry/commit/e79e38350dcad3b236313d25eba4c8c1a6cda790))

[1.20.0](https://github.com/ladybug-tools/ladybug-geometry/compare/v1.19.0...v1.20.0) (2020-05-12)


Features

* **mesh:** Add methods to join meshes into one ([db94f8d](https://github.com/ladybug-tools/ladybug-geometry/commit/db94f8de8c2962b74d154c29529e6324f80b3744))

[1.19.0](https://github.com/ladybug-tools/ladybug-geometry/compare/v1.18.4...v1.19.0) (2020-05-04)


Features

* **face:** Add sub_faces_by_ratio_gridded to Face3D ([e401c44](https://github.com/ladybug-tools/ladybug-geometry/commit/e401c44c45b3c887cb9aa4e2ca0264790994f4cd))