{"id":83,"date":"2017-06-14T09:21:42","date_gmt":"2017-06-14T01:21:42","guid":{"rendered":"http:\/\/zkeeer.space\/?p=83"},"modified":"2017-08-12T14:53:50","modified_gmt":"2017-08-12T06:53:50","slug":"%e7%94%a8%e5%87%ba%e7%a7%9f%e8%bd%a6%e7%9a%84gps%e6%95%b0%e6%8d%ae%e7%bb%98%e5%88%b6%e5%9f%8e%e5%b8%82%e5%9c%b0%e5%9b%be","status":"publish","type":"post","link":"http:\/\/zkeeer.space\/?p=83","title":{"rendered":"\u7528\u51fa\u79df\u8f66\u7684GPS\u6570\u636e\u7ed8\u5236\u57ce\u5e02\u5730\u56fe"},"content":{"rendered":"
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\u6d89\u53ca\u5230\u6570\u636e\u53ef\u89c6\u5316\u5e93matplotlib\uff0c\u5c06GPS\u70b9\u63cf\u51fa\u6765\uff0c\u8fd9\u4e48\u7b80\u5355\u3002\u53ef\u89c6\u5316\u505a\u5f97\u592a\u4e11\uff0c\u7f9e\u6127\uff08\u9003<\/p>\n<\/div>\n

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# -*- encoding:utf-8 -*-<\/span>\r\n# \u6570\u636e\u5206\u5272\u7b26\u7528\u7684\u662f ',',\u4f9d\u636e\u4e0d\u540c\u6587\u4ef6\u5b58\u50a8\u505a\u51fa\u4e0d\u540c\u8c03\u6574<\/span>\r\nimport<\/span> csv\r\n\r\nimport<\/span> matplotlib.<\/span>pyplot as<\/span> plt\r\n\r\nimport<\/span> ch\r\n\r\nch.<\/span>set_ch(<\/span>)<\/span>\r\njingdu =<\/span> [<\/span>]<\/span>\r\nweidu =<\/span> [<\/span>]<\/span>\r\njingwei =<\/span> {<\/span>}<\/span>\r\nnum =<\/span> 0<\/span>\r\nwith<\/span> open(<\/span>\"F:\\\\BigData\\\\taxiGPS\\\\czc_gps_date_20140609.csv\"<\/span>,<\/span> \"r\"<\/span>)<\/span> as<\/span> fr:<\/span>\r\n    reader =<\/span> csv.<\/span>reader(<\/span>fr,<\/span> delimiter=<\/span>','<\/span>)<\/span>\r\n    for<\/span> row in<\/span> reader:<\/span>\r\n        if<\/span> float(<\/span>row[<\/span>3<\/span>]<\/span>)<\/span> ><\/span> 113.7<\/span> and<\/span> float(<\/span>row[<\/span>3<\/span>]<\/span>)<\/span> <<\/span> 114.7<\/span> and<\/span> float(<\/span>row[<\/span>4<\/span>]<\/span>)<\/span> ><\/span> 22.25<\/span> and<\/span> float(<\/span>row[<\/span>4<\/span>]<\/span>)<\/span> <<\/span> 23.25<\/span>:<\/span>\r\n            jingwei.<\/span>update(<\/span>{<\/span>(<\/span>int(<\/span>float(<\/span>row[<\/span>3<\/span>]<\/span>)<\/span> *<\/span> 10000<\/span>)<\/span>,<\/span> int(<\/span>float(<\/span>row[<\/span>4<\/span>]<\/span>)<\/span> *<\/span> 10000<\/span>)<\/span>)<\/span>:<\/span> 0<\/span>}<\/span>)<\/span>\r\n    fr.<\/span>flush(<\/span>)<\/span>\r\n    fr.<\/span>close(<\/span>)<\/span>\r\nprint<\/span>(<\/span>\"Count finished...\"<\/span>)<\/span>\r\n\r\nfor<\/span> item in<\/span> jingwei.<\/span>keys(<\/span>)<\/span>:<\/span>\r\n    jingdu.<\/span>append(<\/span>item[<\/span>0<\/span>]<\/span>)<\/span>\r\n    weidu.<\/span>append(<\/span>item[<\/span>1<\/span>]<\/span>)<\/span>\r\nprint<\/span>(<\/span>\"Convert finished...\"<\/span>)<\/span>\r\njingwei.<\/span>clear(<\/span>)<\/span>\r\n\r\nplt.<\/span>scatter(<\/span>jingdu,<\/span> weidu)<\/span>\r\nplt.<\/span>axis(<\/span>\"equal\"<\/span>)<\/span>\r\nplt.<\/span>xlabel(<\/span>u\"\u7ecf\u5ea6\"<\/span>)<\/span>\r\nplt.<\/span>ylabel(<\/span>u\"\u7eac\u5ea6\"<\/span>)<\/span>\r\nprint<\/span>(<\/span>\"Paint finished...\"<\/span>)<\/span>\r\n\r\nfigure =<\/span> plt.<\/span>gcf(<\/span>)<\/span>\r\nfigure.<\/span>set_size_inches(<\/span>190<\/span>,<\/span> 190<\/span>)<\/span>\r\nfigure.<\/span>savefig(<\/span>\"adjust2.jpg\"<\/span>,<\/span> dpi=<\/span>110<\/span>)<\/span>\r\nprint<\/span>(<\/span>\"Save finished...\"<\/span>)<\/span>\r\n\r\nplt.<\/span>show(<\/span>)<\/span><\/code><\/pre>\n<\/blockquote>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
\u6d89\u53ca\u5230\u6570\u636e\u53ef\u89c6\u5316\u5e93matplotlib\uff0c … More \u7528\u51fa\u79df\u8f66\u7684GPS\u6570\u636e\u7ed8\u5236\u57ce\u5e02\u5730\u56fe<\/span> →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[11,12],"_links":{"self":[{"href":"http:\/\/zkeeer.space\/index.php?rest_route=\/wp\/v2\/posts\/83"}],"collection":[{"href":"http:\/\/zkeeer.space\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/zkeeer.space\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/zkeeer.space\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/zkeeer.space\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=83"}],"version-history":[{"count":1,"href":"http:\/\/zkeeer.space\/index.php?rest_route=\/wp\/v2\/posts\/83\/revisions"}],"predecessor-version":[{"id":84,"href":"http:\/\/zkeeer.space\/index.php?rest_route=\/wp\/v2\/posts\/83\/revisions\/84"}],"wp:attachment":[{"href":"http:\/\/zkeeer.space\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=83"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/zkeeer.space\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=83"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/zkeeer.space\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=83"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}