| [/============================================================================ |
| Boost.Geometry (aka GGL, Generic Geometry Library) |
| |
| Copyright (c) 2009-2014 Barend Gehrels, Amsterdam, the Netherlands. |
| Copyright (c) 2014 Adam Wulkiewicz, Lodz, Poland. |
| |
| Use, modification and distribution is subject to the Boost Software License, |
| Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
| http://www.boost.org/LICENSE_1_0.txt) |
| =============================================================================/] |
| |
| WKT is a general markup format in ASCII. |
| It is described in detail on [@http://en.wikipedia.org/wiki/Well-known_text Wikipedia] |
| |
| Boost Geometry supports the common formats (POINT, LINESTRING, POLYGON, MULTIPOINT, MULTILINESTRING, MULTIPOLYGON). |
| |
| Because Boost.Geometry also supports Box and Segment geometries, which are not standard OGC geometries, there are some extensions: |
| |
| [heading Box] |
| * can be read from WKT by specifying either a polygon (with 4 points) or a specific BOX string (non OGC) |
| * streamed to WKT as a POLYGON |
| |
| [heading Segment] |
| * can be read from WKT by specifying either a linestring (with 2 points) or a specific SEGMENT string (non OGC) |
| * streamed to WKT as a LINESTRING |
| |
| [heading Ring] |
| * can be read from WKT by specifying a polygon (with no holes) |
| * streamed to WKT as POLYGON |