<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[withowl的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/withowl</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; withowl]]></copyright><item><title><![CDATA[【大尺度OpenStreetMap数据处理】python全流程-osm.pbf下载、筛选、转为shapefile]]></title><link>https://blog.youkuaiyun.com/withowl/article/details/147482686</link><guid>https://blog.youkuaiyun.com/withowl/article/details/147482686</guid><author>withowl</author><pubDate>Sat, 30 Aug 2025 12:05:02 +0800</pubDate><description><![CDATA[本文分享了处理OpenStreetMap全球交通数据的经验。首先介绍了从OSM下载数据的方法，推荐使用osm.pbf格式处理大批量数据。其次讲解了OSM数据结构，包括节点、路径和关系等元素，重点分析了公路和铁路信息。作者提供了Python代码示例，使用osmium库统计公路类型并筛选特定道路数据。最后详细说明了如何将数据转换为shp格式，包括创建坐标索引器、几何转换等关键步骤，并给出了完整的数据处理代码，最终输出符合要求的道路shapefile文件。]]></description><category></category></item><item><title><![CDATA[【python】-【转换】JOSN转CSV]]></title><link>https://blog.youkuaiyun.com/withowl/article/details/148160097</link><guid>https://blog.youkuaiyun.com/withowl/article/details/148160097</guid><author>withowl</author><pubDate>Fri, 23 May 2025 11:19:33 +0800</pubDate><description><![CDATA[【代码】【python】-【转换】JOSN转CSV。]]></description><category></category></item><item><title><![CDATA[【ERA5】数据下载及计算]]></title><link>https://blog.youkuaiyun.com/withowl/article/details/139043290</link><guid>https://blog.youkuaiyun.com/withowl/article/details/139043290</guid><author>withowl</author><pubDate>Sun, 19 May 2024 16:09:35 +0800</pubDate><description><![CDATA[可以选择下载的类别：比如降水类型里包含了多种分类。选择需要类别、年份和时间，下载NetCDF格式文件，选得越多排队等待的时间就越长。]]></description><category></category></item><item><title><![CDATA[【安装】2024最新安装Cartopy方法详解]]></title><link>https://blog.youkuaiyun.com/withowl/article/details/138925132</link><guid>https://blog.youkuaiyun.com/withowl/article/details/138925132</guid><author>withowl</author><pubDate>Wed, 15 May 2024 22:27:30 +0800</pubDate><description><![CDATA[网络上有较多教程，这里更新主要是因为之前的轮子网站做了迁移，所以写在此篇供大家参考。]]></description><category></category></item><item><title><![CDATA[【Arcpy】-【属性表运算】添加或删除列]]></title><link>https://blog.youkuaiyun.com/withowl/article/details/137647342</link><guid>https://blog.youkuaiyun.com/withowl/article/details/137647342</guid><author>withowl</author><pubDate>Thu, 11 Apr 2024 17:55:27 +0800</pubDate><description><![CDATA[【代码】【Arcpy】-【属性表运算】添加或删除列。]]></description><category></category></item><item><title><![CDATA[【Arcpy】批量生成矢量缓冲区]]></title><link>https://blog.youkuaiyun.com/withowl/article/details/137640541</link><guid>https://blog.youkuaiyun.com/withowl/article/details/137640541</guid><author>withowl</author><pubDate>Thu, 11 Apr 2024 15:20:19 +0800</pubDate><description><![CDATA[这里对一个文件中的多个矢量点，生成了50km缓冲区。]]></description><category></category></item><item><title><![CDATA[【Arcpy】将包含坐标的CSV文件批量转为矢量点]]></title><link>https://blog.youkuaiyun.com/withowl/article/details/137638721</link><guid>https://blog.youkuaiyun.com/withowl/article/details/137638721</guid><author>withowl</author><pubDate>Thu, 11 Apr 2024 15:17:28 +0800</pubDate><description><![CDATA[在这里我们用代码的方式实现批量转换。（1）文件-添加数据-添加XY数据。（2）右键导出数据成矢量。]]></description><category></category></item><item><title><![CDATA[【Arcpy】-【属性表运算】按条件分类并计数-双重条件选择]]></title><link>https://blog.youkuaiyun.com/withowl/article/details/137639811</link><guid>https://blog.youkuaiyun.com/withowl/article/details/137639811</guid><author>withowl</author><pubDate>Thu, 11 Apr 2024 15:12:08 +0800</pubDate><description><![CDATA[我这里的先决条件是wn_range 在['0-100', '100-500', '500-1000', '1000-2000', '2000-']这几个范围内，再计算第二个条件属于'< -0.02'，'-0.02 to 0'……现需要对属性表中两个字段分别进行阈值划分，并组合判断不同类别的数量，如果在Arcgis里用按属性选择将进行多次繁琐操作，所以考虑用代码完成。实现思路是进行双重条件判断，通过循环计数。1. 设置工作环境和阈值范围的字典。]]></description><category></category></item><item><title><![CDATA[【Arcpy】-【NC处理】批量NC文件转为TIF]]></title><link>https://blog.youkuaiyun.com/withowl/article/details/137637758</link><guid>https://blog.youkuaiyun.com/withowl/article/details/137637758</guid><author>withowl</author><pubDate>Thu, 11 Apr 2024 14:31:36 +0800</pubDate><description><![CDATA[Arcgis里将nc(NETCDF)文件转化为栅格图像，需要进行的流程应当是：1. Multidimension Tools-Make NetCDF Raster Layer工具，加载文件。2. Data Management-Tools-Layers and Table Views-Make Raster Layer，将Layer文件导出tif格式这里将利用到这两个工具循环处理多个nc文件。]]></description><category></category></item><item><title><![CDATA[【Arcpy】SHP批量融合]]></title><link>https://blog.youkuaiyun.com/withowl/article/details/137396762</link><guid>https://blog.youkuaiyun.com/withowl/article/details/137396762</guid><author>withowl</author><pubDate>Fri, 05 Apr 2024 11:24:48 +0800</pubDate><description><![CDATA[【代码】【Arcpy】SHP批量融合。]]></description><category></category></item><item><title><![CDATA[【Arcpy】批量重分类]]></title><link>https://blog.youkuaiyun.com/withowl/article/details/137396335</link><guid>https://blog.youkuaiyun.com/withowl/article/details/137396335</guid><author>withowl</author><pubDate>Fri, 05 Apr 2024 11:11:01 +0800</pubDate><description><![CDATA[【代码】【Arcpy】批量重分类。]]></description><category></category></item><item><title><![CDATA[【Arcpy】将CSV中的某列添加至SHP属性表中]]></title><link>https://blog.youkuaiyun.com/withowl/article/details/137395528</link><guid>https://blog.youkuaiyun.com/withowl/article/details/137395528</guid><author>withowl</author><pubDate>Fri, 05 Apr 2024 10:42:11 +0800</pubDate><description><![CDATA[（2）AddField_management，创新新字段。（1）读取CSV文件和SHP文件，构成一一对应关系。（3）UpdateCursor，更新字段。]]></description><category></category></item><item><title><![CDATA[【Arcpy】批量栅格转点]]></title><link>https://blog.youkuaiyun.com/withowl/article/details/137395339</link><guid>https://blog.youkuaiyun.com/withowl/article/details/137395339</guid><author>withowl</author><pubDate>Fri, 05 Apr 2024 10:26:06 +0800</pubDate><description><![CDATA[【代码】【Arcpy】批量栅格转点。]]></description><category></category></item><item><title><![CDATA[【Arcpy】SHP点转CSV]]></title><link>https://blog.youkuaiyun.com/withowl/article/details/137395028</link><guid>https://blog.youkuaiyun.com/withowl/article/details/137395028</guid><author>withowl</author><pubDate>Fri, 05 Apr 2024 10:17:46 +0800</pubDate><description><![CDATA[x版本中，python默认的编码方式是ASCII编码，当程序中出现非ASCII编码时，程序会报错。Python的sys库是一种内建模块，可对Python的运行环境进行访问和操作。]]></description><category></category></item><item><title><![CDATA[【Arcpy】批量多值提取值点]]></title><link>https://blog.youkuaiyun.com/withowl/article/details/137394375</link><guid>https://blog.youkuaiyun.com/withowl/article/details/137394375</guid><author>withowl</author><pubDate>Fri, 05 Apr 2024 09:57:19 +0800</pubDate><description><![CDATA[【代码】【Arcpy】批量多值提取值点。]]></description><category></category></item><item><title><![CDATA[【Arcpy】批量投影栅格]]></title><link>https://blog.youkuaiyun.com/withowl/article/details/137393469</link><guid>https://blog.youkuaiyun.com/withowl/article/details/137393469</guid><author>withowl</author><pubDate>Fri, 05 Apr 2024 09:47:30 +0800</pubDate><description><![CDATA[【代码】【Arcpy】批量投影栅格。]]></description><category></category></item><item><title><![CDATA[【Arcpy】批量按掩膜提取]]></title><link>https://blog.youkuaiyun.com/withowl/article/details/137392219</link><guid>https://blog.youkuaiyun.com/withowl/article/details/137392219</guid><author>withowl</author><pubDate>Fri, 05 Apr 2024 09:35:08 +0800</pubDate><description><![CDATA[【代码】【Arcpy】批量按掩膜提取。]]></description><category></category></item></channel></rss>