[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fWrulWC3qoJZAHyXyrqzLxtemizKDMzEsRO0dYbTirTU":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2025-12-20 06:40:38",218615859,[8,9,10,11],"st_buffer","st_merge","st_union","st_collect",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},17,"18c043233181654bcd2cc473361bb119","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Faeb25db502ee8d57f11664b49dc995c0.png","空间数据处理与应用","work_45869503","第4章使用OGR过滤数据g","如果 OGR 版本支持 SpatiaLite,可以通过()函数将多个多边形要素合并成一个几何对象",[21,32,41,50,58,67,70,79,88,97],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],218615849,[25,26,27,28],"'Seattle%' LIKE 'North Seattle'","'Sea%le' LIKE 'Seattle'","'Sea_le' LIKE 'Seattle'","'_eattle' LIKE 'Seattle WA'","以下命令返回为真的选项为( )","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],218615851,[36,37,38,39],"CONNECT","JOIN","GROUP","Union","在 SQL 语句中,如果涉及到两个图层,可以通过哪个命令将属性表连接",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],218615853,[45,46,47,48],"以上答案均正确","feat = ogr.Open(fn, 0).GetLayer(0).GetNextFeature()","lyr = ogr.Open(fn, 0).GetLayer(0) feat = lyr.GetNextFeature()","ds = ogr.Open(fn, 0) lyr = ds.GetLayer(0) feat = lyr.GetNextFeature()","以下命令书写错误的选项为( )",{"answer":51,"createTime":5,"id":52,"options":53,"question":49,"source":30,"type":31},[],218615855,[54,55,56,57],"lyr.GetFeature(2).GetField(name)","lyr.SetAttributeFilter('continent = "South America"')","lyr.SetAttributeFilter("continent = 'South America'")","lyr.GetFeature(2).GetField('name')",{"answer":59,"createTime":5,"id":60,"options":61,"question":66,"source":30,"type":31},[],218615857,[62,63,64,65],"SetSpatialFilterRect","SetSpatialFilter","ExecuteSQL","SetAttributeFilter","使用属性过滤条件查看要素时,可以调用哪个函数",{"answer":68,"createTime":5,"id":6,"options":69,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":71,"createTime":5,"id":72,"options":73,"question":78,"source":30,"type":31},[],218615861,[74,75,76,77],"空间范围","属性","几何对象","索引","空间过滤条件可以利用什么来选择要素",{"answer":80,"createTime":5,"id":81,"options":82,"question":87,"source":30,"type":31},[],218615863,[83,84,85,86],"0","-1","NULL","1","SetAttributeFilter 函数返回值为多少,说明查询语句执行成功",{"answer":89,"createTime":5,"id":90,"options":91,"question":96,"source":30,"type":31},[],218615865,[92,93,94,95],"空间参考系统","投影方式","几何类型","分辨率","作为空间过滤条件的要素或坐标,必须与要筛选的图层具有同样的()",{"answer":98,"createTime":5,"id":99,"options":100,"question":103,"source":30,"type":31},[],218615867,[101,94,74,102],"图层名称","属性字段","属性过滤条件是通过一个或多个()的值来限定要素"]