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C++ ODPoint::GetShowODPointRangeRings方法代码示例

本文整理汇总了C++中ODPoint::GetShowODPointRangeRings方法的典型用法代码示例。如果您正苦于以下问题:C++ ODPoint::GetShowODPointRangeRings方法的具体用法?C++ ODPoint::GetShowODPointRangeRings怎么用?C++ ODPoint::GetShowODPointRangeRings使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在ODPoint的用法示例。


在下文中一共展示了ODPoint::GetShowODPointRangeRings方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: GetODPointList

BoundaryPoint *PointMan::FindLineCrossingBoundaryPtr( double StartLon, double StartLat, double EndLon, double EndLat, int type, int state )
{
    // search boundary point
    wxODPointListNode *node = GetODPointList()->GetFirst();
    while( node ) {
        ODPoint *od = static_cast<ODPoint *>(node->GetData());
        if( od->IsListed() ) {
            if( od->m_bIsInPath && !od->m_bKeepXPath ) {
                node = node->GetNext();
                continue;
            }
            // if there's no ring there's nothing to do
            if (!od->GetShowODPointRangeRings() || 
                    od->GetODPointRangeRingsNumber() == 0 ||
                    od->GetODPointRangeRingsStep() == 0.f)
            {
                node = node->GetNext();
                continue;
            }
            BoundaryPoint *op = dynamic_cast<BoundaryPoint *>(node->GetData());
            if (!op) {
                node = node->GetNext();
                continue;
            }
            bool l_bNext = false;
            switch (type) {
                case ID_BOUNDARY_ANY:
                    l_bNext = false;
                    break;
                case ID_BOUNDARY_EXCLUSION:
                    if(!op->m_bExclusionBoundaryPoint) l_bNext = true;
                    break;
                case ID_BOUNDARY_INCLUSION:
                    if(!op->m_bInclusionBoundaryPoint) l_bNext = true;
                    break;
                case ID_BOUNDARY_NIETHER:
                    if(op->m_bExclusionBoundaryPoint || op->m_bInclusionBoundaryPoint) l_bNext = true;
                    break;
            }
            if (!l_bNext) {
               // 0 nautical miles 1 kilometer
               double f = (op->m_iODPointRangeRingsStepUnits == 1)?1000.0:1852.31;
               // in meters
               double dst = op->GetODPointRangeRingsNumber() * op->GetODPointRangeRingsStep() * f;
               if (DistancePointLine( op->m_lon, op->m_lat, StartLon, StartLat, EndLon, EndLat, dst )) {
                  return op;
               }
            }
        }
        node = node->GetNext();
    }
    return 0;
}
开发者ID:nohal,项目名称:ocpn_draw_pi,代码行数:53,代码来源:PointMan.cpp


注:本文中的ODPoint::GetShowODPointRangeRings方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。