Using OpenStreetMap data with Python 使用Python的OpenStrutEMAP数据

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1、UsingOpenStreetMapdatawithPythonAndriiV.MishkovskyiJune22,2011AndriiV.Mishkovskyi()UsingOpenStreetMapdatawithPythonJune22,20111/1Whoisthisdudeanyway?IlovePythonIloveOpenStreetMapIdomaprenderingatCloudMadeusingPythonCloudMadeusesOpenStreetMapdataextensivelyAndriiV.Mishkovskyi()UsingOpenStr

2、eetMapdatawithPythonJune22,20112/1ObjectivesUnderstandOpenStreetMapdatastructureHowtoparseitGetafeelofhowbasicGISservicesworkAndriiV.Mishkovskyi()UsingOpenStreetMapdatawithPythonJune22,20113/1OpenStreetMapFoundedin2004asaresponsetoOrdnanceSurveypricingscheme>400kregisteredusers>16kactivem

3、appersSupportedbyMicrosoft,MapQuest(AOL),Yahoo!Crowd-sourcingatitsbestAndriiV.Mishkovskyi()UsingOpenStreetMapdatawithPythonJune22,20114/1WhyOSM?FairlyeasyGoodqualityGrowingcommunityAbsolutelyfreeAndriiV.Mishkovskyi()UsingOpenStreetMapdatawithPythonJune22,20115/1AndriiV.Mishkovskyi()UsingO

4、penStreetMapdatawithPythonJune22,20116/1AndriiV.Mishkovskyi()UsingOpenStreetMapdatawithPythonJune22,20117/1StoragetypeXML(.osm)Protocolbuffers(.pbf,inbetastatus)Otherformatsthrough3rdparties(Esrishapefile,GarminGPX,etc.)AndriiV.Mishkovskyi()UsingOpenStreetMapdatawithPythonJune22,20118/1The

5、dataEachobjecthasgeometry,tagsandchangesetinformationTagsaresimplyalistofkey/valuepairsGeometrydefinitiondiffersfordifferenttypesChangesetisnotinterestingwhensimplyusingthedata(asopposedtoediting)AndriiV.Mishkovskyi()UsingOpenStreetMapdatawithPythonJune22,20119/1DatatypesNodeGeometricpoint

6、orpointofinterestWayCollectionofpointsRelationCollectionsofobjectsofanytypeAndriiV.Mishkovskyi()UsingOpenStreetMapdatawithPythonJune22,201110/1Nodes

7、agk="amenity"v="bar"/>AndriiV.Mishkovskyi()UsingOpenStreetMapdatawithPythonJune22,201111/1Ways