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);
}