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51 <div class="title">boost::geometry::radian Struct Reference</div> </div>
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55 <p>Unit of plane angle: Radians.
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58 <div class="textblock"><p>Unit of plane angle: Radians. </p>
59 <p>Tag defining the unit of plane angle for spherical coordinate systems. This tag specifies that coordinates are defined in radians (-PI .. PI). It has to be specified for some coordinate systems. </div></div><!-- contents -->
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