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src="https://cdn.wpsshop.cn/public/wpsshopindex/js/mid_detail_last.js?v=33890"></script><style type="text/css"></style><script type="text/javascript"></script><div class="interactive_info" id="body-data-0098" attrv="45642"></div><div class="article_box" style="overflow: hidden;"><div class="article_channel"><div class="channel_top_line"><div class="cn_t_l"></div><div class="cn_t_r"></div></div><div class="article_channel_info">当前位置: <a href="/article/list/1">article</a> > 正文 </div></div><div class="article_title"><h1>SUMO文档065：Reading SUMO networks and outputs withPython (sumolib)</h1></div><div class="article_info"><div class="article_c_info"> 作者：AllinToyou | 2024-05-30 06:19:13</div><div class="article_click" style="width: 140px;"><p class="operation-b-img operation-b-img-active"><i class="img-up txclick" attc="upclick" attn="0"></i><span class="num"> 赞</span></p><p class="operation-b-img operation-b-img-active"><i class="img-down txclick" attc="downclick" attn="0"></i><span class="num">踩</span></p></div></div><div class="article_intro">sumolib</div><div class="article_content article_contentheight"> <link rel="stylesheet" href="https://csdnimg.cn/release/blogv2/dist/mdeditor/css/editerView/kdoc_html_views-1a98987dfd.css"> <link rel="stylesheet" href="https://csdnimg.cn/release/blogv2/dist/mdeditor/css/editerView/ck_htmledit_views-044f2cf1dc.css"> <div id="content_views" class="htmledit_views"> <div> <p align="left">Tools/Sumolib</p> </div> <p>译者注：这部分的内容比较多，这里只是举例几个简单的例子。并且Sumolib在使用中的用处非常大，很多模块可以大大减少我们的工作量。</p> <p> <img src="https://img-blog.csdn.net/20161224222922152" alt=""></p> <p>sumolib文件下的文件夹列表</p> <p><img src="https://img-blog.csdn.net/20161224222927235" alt=""><br> </p> <p>sumolib文件加下的py文件</p> <p><br> </p> <p><br> </p> <p><br> </p> <p>sumolib是一系列处理sumo网路文件、仿真输出和其他仿真文件的<a href="https://so.csdn.net/so/search?q=python&spm=1001.2101.3001.7020" target="_blank" class="hl hl-1" data-report-view="{"spm":"1001.2101.3001.7020","dest":"https://so.csdn.net/so/search?q=python&spm=1001.2101.3001.7020","extra":"{\"searchword\":\"python\"}"}" data-report-click="{"spm":"1001.2101.3001.7020","dest":"https://so.csdn.net/so/search?q=python&spm=1001.2101.3001.7020","extra":"{\"searchword\":\"python\"}"}" data-tit="python" data-pretit="python">python</a>模块。可以查看响应的文档<a target="_blank" href="http://sumo.dlr.de/daily/pydoc/sumolib.html" rel="nofollow noopener noreferrer"><span style="color:#663366">pydoc generated documentation</span></a>。也可以查看源码<a target="_blank" href="http://sumo.dlr.de/trac.wsgi/browser/trunk/sumo/tools/sumolib" rel="nofollow noopener noreferrer"><span style="color:#663366">browse the code here</span></a>。</p> <p> </p> <p>1、导入sumolib到脚本中</p> <p>为了使用这个库，<SUMO_HOME>/tools目录必须加载到处理路径中。一般的python代码中都有一段代码：</p> <p></p> <pre data-index="0" class="set-code-show" name="code"><code class="language-python hljs"><ol class="hljs-ln" style="width:100%"><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="1"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"><span class="hljs-keyword">import</span> os, sys</div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="2"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"> <span class="hljs-keyword">if</span><span class="hljs-string">'SUMO_HOME'</span> <span class="hljs-keyword">in</span> os.environ:</div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="3"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"> tools = os.path.join(os.environ[<span class="hljs-string">'SUMO_HOME'</span>], <span class="hljs-string">'tools'</span>)</div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="4"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"> sys.path.append(tools)</div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="5"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"> <span class="hljs-keyword">else</span>: </div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="6"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"> sys.exit(<span class="hljs-string">"please declare environmentvariable 'SUMO_HOME'"</span>)</div></div></li></ol></code><div class="hljs-button signin active" data-title="登录复制" data-report-click="{"spm":"1001.2101.3001.4334"}" onclick="hljs.signin(event)"></div></pre> <br> <br> <p></p> <p>2、使用示例</p> <p>2.1导入路网，检索节点和道路</p> <div style="background:#F9F9F9"> <pre style="background:#F9F9F9" data-index="1" class="set-code-show" name="code"><pre data-index="2" class="set-code-show" name="code"><code class="language-python hljs"><ol class="hljs-ln" style="width:100%"><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="1"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"><span class="hljs-comment"># import the library导入库</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="2"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"> <span class="hljs-keyword">import</span> sumolib</div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="3"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"> <span class="hljs-comment"># parse the net解析net</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="4"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"> net = sumolib.net.readNet(<span class="hljs-string">'myNet.net.xml'</span>)</div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="5"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"><span class="hljs-comment"># retrieve the coordinate of a node base on its ID根据节点的ID获得物理位置</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="6"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"> <span class="hljs-built_in">print</span> net.getNode(<span class="hljs-string">'myNodeID'</span>).getCoord()</div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="7"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"><span class="hljs-comment"># retrieve the successor node ID of an edge获得一条道路的后继节点ID</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="8"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"> nextNodeID = net.getEdge(<span class="hljs-string">'myEdgeID'</span>).getToNode().getID()</div></div></li></ol></code><div class="hljs-button signin active" data-title="登录复制" data-report-click="{"spm":"1001.2101.3001.4334"}" onclick="hljs.signin(event)"></div></pre><br><br></pre> </div> <p>2.2计算平均挥着中间的道路长度</p> <div style="background:#F9F9F9"> <pre style="background:#F9F9F9" data-index="3" class="set-code-show" name="code"><pre data-index="4" class="set-code-show" name="code"><code class="language-python hljs"><ol class="hljs-ln" style="width:100%"><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="1"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"><span class="hljs-comment"># compute the average length计算平均长度</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="2"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"> lengthSum = <span class="hljs-number">0.0</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="3"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"> edgeCount = <span class="hljs-number">0</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="4"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"> <span class="hljs-keyword">for</span> edge <span class="hljs-keyword">in</span> sumolib.output.parse(<span class="hljs-string">'myNet.edg.xml'</span>, [<span class="hljs-string">'edge'</span>]):</div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="5"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"> lengthSum += <span class="hljs-built_in">float</span>(edge.length)</div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="6"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"> edgeCount += <span class="hljs-number">1</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="7"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"> avgLength = lengthSum / edgeCount</div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="8"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"> </div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="9"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"><span class="hljs-comment"># compute the median length using the Statistics module</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="10"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"><span class="hljs-comment">#使用Statistics模块计算中间长度</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="11"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"> edgeStats = sumolib.miscutils.Statistics(<span class="hljs-string">"edge lengths"</span>)</div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="12"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"> <span class="hljs-keyword">for</span> edge <span class="hljs-keyword">in</span> sumolib.output.parse(<span class="hljs-string">'myNet.edg.xml'</span>, [<span class="hljs-string">'edge'</span>]):</div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="13"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"> edgeStats.add(<span class="hljs-built_in">float</span>(edge.length))</div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="14"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"> avgLength = edgeStats.median()</div></div></li></ol></code><div class="hljs-button signin active" data-title="登录复制" data-report-click="{"spm":"1001.2101.3001.4334"}" onclick="hljs.signin(event)"></div></pre><br><br></pre> </div> <p>2.3根据物理位置定位临近的道路</p> <div style="background:#F9F9F9"> <pre style="background:#F9F9F9" data-index="5" class="set-code-show" name="code"><pre data-index="6" class="set-code-show" name="code"><code class="language-python hljs"><ol class="hljs-ln" style="width:100%"><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="1"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"><span class="hljs-comment"># (requires module pyproj to be installed)</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="2"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"><span class="hljs-comment">#需要安装pyproj</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="3"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"> radius = <span class="hljs-number">0.1</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="4"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"> x, y = net.convertLonLatXY(lon, lat)</div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="5"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"> edges = net.getNeighboringEdges(x, y, radius)</div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="6"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"> <span class="hljs-comment"># pick the closest edge挑选最近的道路</span></div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="7"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"> <span class="hljs-keyword">if</span> <span class="hljs-built_in">len</span>(edges) > <span class="hljs-number">0</span>:</div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="8"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"> distancesAndEdges = <span class="hljs-built_in">sorted</span>([(dist, edge) <span class="hljs-keyword">for</span> edge, dist <span class="hljs-keyword">in</span> edges])</div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="9"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"> dist, closestEdge = distancesAndEdges[<span class="hljs-number">0</span>]</div></div></li></ol></code><div class="hljs-button signin active" data-title="登录复制" data-report-click="{"spm":"1001.2101.3001.4334"}" onclick="hljs.signin(event)"></div></pre><br><br></pre> </div> <p>2.4解析rou.xml中的全部道路</p> <div style="background:#F9F9F9"> <pre style="background:#F9F9F9" data-index="7" class="set-code-show" name="code"><pre data-index="8" class="set-code-show" name="code"><code class="language-python hljs"><ol class="hljs-ln" style="width:682px"><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="1"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"><span class="hljs-keyword">for</span> route <span class="hljs-keyword">in</span> sumolib.output.parse_fast(<span class="hljs-string">"myRoutes.rou.xml"</span>, <span class="hljs-string">'route'</span>, [<span class="hljs-string">'edges'</span>]):</div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="2"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"> edge_ids = route.edges.split()</div></div></li><li><div class="hljs-ln-numbers"><div class="hljs-ln-line hljs-ln-n" data-line-number="3"></div></div><div class="hljs-ln-code"><div class="hljs-ln-line"> <span class="hljs-comment"># do something with the vector of edge ids可以使用道路ID的矢量数组</span></div></div></li></ol></code><div class="hljs-button signin active" data-title="登录复制" data-report-click="{"spm":"1001.2101.3001.4334"}" onclick="hljs.signin(event)"></div></pre><br><br></pre> </div> </div><div data-report-view="{"mod":"1585297308_001","spm":"1001.2101.3001.6548","dest":"https://blog.csdn.net/renguoqing1001/article/details/53863234","extend1":"pc","ab":"new"}"><div></div></div> <div><div><span>声明：</span>本文内容由网友自发贡献，不代表【wpsshop博客】立场，版权归原作者所有，本站不承担相应法律责任。如您发现有侵权的内容，请联系我们。转载请注明出处：<a href="https://www.wpsshop.cn/w/AllinToyou/article/detail/645642">https://www.wpsshop.cn/w/AllinToyou/article/detail/645642</a></div></div></div><div class="article_recommend"><div class="list_top">推荐阅读</div><div class="ListItems"><ul class="NewsList"><li><div class="NewTitle"><a title="article" class="cat" href="/article/list/1" target="_blank">article<i></i></a><a title="CVPR2024《RMT: Retentive Networks Meet Vision Trans" 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title="【论文笔记】KAN: Kolmogorov-Arnold Networks 全新神经网络架构KAN，" href="/w/很楠不爱3/article/detail/640711" target="_blank">【论文笔记】<em>KAN</em>: <em>Kolmogorov</em>-<em>Arnold</em> <em>Networks</em> 全新神经网络架构<em>KAN</em>，...</a></div><div class="NewsInfo"><div class="NewsDesc" style=""><a title="【论文笔记】KAN: Kolmogorov-Arnold Networks 全新神经网络架构KAN，" href="/w/很楠不爱3/article/detail/640711" target="_blank"> <em>KAN</em>可以先用一个参数较少的模型进行训练，然后通过使其样条网格更精细，将其扩展到具有更多参数的<em>KAN</em>，而不需要从头开... </a><div class="article_click rice1" style="width: 240px;float: left;"><p class="operation-b-img operation-b-img-active"><i class="img-up txclick" attc="upclick" attn="0"></i><span class="num"> 赞</span></p><p class="operation-b-img operation-b-img-active"><i class="img-down txclick" attc="downclick" attn="0"></i><span class="num">踩</span></p></div></div><div style="clear: both;"></div></div></li><li><div class="NewTitle"><a title="article" class="cat" href="/article/list/1" target="_blank">article<i></i></a><a 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title="SUMO（二）——与Python的基本联合_sumo python" href="/w/你好赵伟/article/detail/645495" target="_blank"><em>SUMO</em>（二）——与<em>Python</em><em>的</em><em>基本</em>联合_<em>sumo</em> <em>python</em>...</a></div><div class="NewsInfo"><div class="NewsDesc" style=""><a title="SUMO（二）——与Python的基本联合_sumo python" href="/w/你好赵伟/article/detail/645495" target="_blank">简单<em>的</em>实现<em>SUMO</em>和<em>Python</em>联合运用_<em>sumo</em> <em>python</em><em>sumo</em> <em>python</em> ... </a><div class="article_click rice1" style="width: 240px;float: left;"><p class="operation-b-img operation-b-img-active"><i class="img-up txclick" attc="upclick" attn="0"></i><span class="num"> 赞</span></p><p class="operation-b-img operation-b-img-active"><i class="img-down txclick" attc="downclick" attn="0"></i><span class="num">踩</span></p></div></div><div style="clear: both;"></div></div></li><li><div class="NewTitle"><a title="article" class="cat" href="/article/list/1" target="_blank">article<i></i></a><a title="道路交通仿真方案【SUMO + 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href="/w/笔触狂放9/article/detail/645551" target="_blank"><em>sumo</em>-<em>绕圈</em><em>行驶</em>_<em>netedit</em>圆...</a></div><div class="NewsInfo"><div class="NewsDesc" style=""><a title="sumo-绕圈行驶_netedit圆" href="/w/笔触狂放9/article/detail/645551" target="_blank"><em>绕圈</em><em>行驶</em>在本教程中，我们将使用 <em>netedit</em> 构建一个简单的圆形网络，并使用重路由器使车辆<em>绕圈</em><em>行驶</em>。所有定义文件都可以... </a><div class="article_click rice1" style="width: 240px;float: left;"><p class="operation-b-img operation-b-img-active"><i class="img-up txclick" attc="upclick" attn="0"></i><span class="num"> 赞</span></p><p class="operation-b-img operation-b-img-active"><i class="img-down txclick" attc="downclick" attn="0"></i><span class="num">踩</span></p></div></div><div style="clear: both;"></div></div></li><li><div class="NewTitle"><a title="article" class="cat" href="/article/list/1" target="_blank">article<i></i></a><a title="SUMO 关闭跟驰/换道模型_traci.vehicle.setspeedmode" href="/w/菜鸟追梦旅行/article/detail/645553" 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