void ControlWidget::trimRoads() { BBox bbox; bbox.addPoint(QVector2D(mainWin->glWidget->vboRenderManager.minPos.x() + 20, mainWin->glWidget->vboRenderManager.minPos.y() + 20)); bbox.addPoint(QVector2D(mainWin->glWidget->vboRenderManager.maxPos.x() - 20, mainWin->glWidget->vboRenderManager.maxPos.y() - 20)); Polygon2D polygon; boost::geometry::convert(bbox, polygon); GraphUtil::trim(mainWin->urbanGeometry->roads, polygon); mainWin->urbanGeometry->update(mainWin->glWidget->vboRenderManager); mainWin->glWidget->updateGL(); }
void PMRoadGenerator::saveRoadImage(RoadGraph& roads, const std::string& filename) { BBox bbox; RoadVertexIter vi, vend; for (boost::tie(vi, vend) = boost::vertices(roads.graph); vi != vend; ++vi) { if (!roads.graph[*vi]->valid) continue; bbox.addPoint(roads.graph[*vi]->pt); } cv::Mat result((int)(bbox.dy() + 1), (int)(bbox.dx() + 1), CV_8UC3, cv::Scalar(255, 255, 255)); RoadEdgeIter ei, eend; for (boost::tie(ei, eend) = boost::edges(roads.graph); ei != eend; ++ei) { if (!roads.graph[*ei]->valid) continue; for (int k = 0; k < roads.graph[*ei]->polyline.size() - 1; ++k) { int x1 = roads.graph[*ei]->polyline[k].x() - bbox.minPt.x(); int y1 = roads.graph[*ei]->polyline[k].y() - bbox.minPt.y(); int x2 = roads.graph[*ei]->polyline[k + 1].x() - bbox.minPt.x(); int y2 = roads.graph[*ei]->polyline[k + 1].y() - bbox.minPt.y(); cv::line(result, cv::Point(x1, y1), cv::Point(x2, y2), cv::Scalar(0, 0, 0), 1, cv::LINE_AA); } } for (boost::tie(vi, vend) = boost::vertices(roads.graph); vi != vend; ++vi) { if (!roads.graph[*vi]->valid) continue; int count = 0; RoadOutEdgeIter oi, oend; for (boost::tie(oi, oend) = boost::out_edges(*vi, roads.graph); oi != oend; ++oi) { if (roads.graph[*oi]->valid) count++; } if (count == 2) continue; int x = roads.graph[*vi]->pt.x() - bbox.minPt.x(); int y = roads.graph[*vi]->pt.y() - bbox.minPt.x(); cv::circle(result, cv::Point(x, y), 5, cv::Scalar(255, 0, 0), 1, cv::LINE_AA); QString text = QString::number(count); cv::putText(result, text.toUtf8().constData(), cv::Point(x, y), cv::FONT_HERSHEY_PLAIN, 2, cv::Scalar(0, 0, 0), 1, cv::LINE_AA); } cv::imwrite(filename.c_str(), result); }