fc="./resource/第七次人口普查数据/中国各城市中心/中国各城市中心.shp"witharcpy.da.SearchCursor(fc,["SHAPE@XY","city"])ascursor:# 返回几何对象的特定值,此处为xy坐标,元祖格式forrowincursor:x,y=row[0]# 解开元祖city=row[1]print(f"{city}中心点坐标: {x}, {y}")# 打印点坐标>>>北京市...
>>> cursor=arcpy.da.SearchCursor("CNTRY92","NAME") >>> values=[row[0]forrowincursor] 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 # 获取经纬度坐标 >>> cursor=arcpy.da.SearchCursor("CNTRY92","SHAPE@XY") >>> xy=[row[0]forrowincursor] >>>...
2)insertRow 插入游标用于创建行并插入它们。 创建游标后,insertRow 方法用于插入一组值,这些值会组成新行。 表中任何不包含在游标中的字段都将被分配字段的默认值。 import arcpy # Create insert cursor for table cursor = arcpy.da.InsertCursor("c:/base/data.gdb/roads_lut", ["roadID", "distance"]...
I am converting a arcpy.InsertCursor in arcpy.da.InsertCursor How does this line works in arcpy.da.InsertCursor row = rows.newRow() # Create insert cursor for table rows = arcpy.InsertCursor("c:/base/data.gdb/roads_lut") # Create 25 new rows. Set the initial row ID and distance va...
cursor.insertRow((i,accode,arcpy.Point(120+random.random(),30+random.random())) 结果数据 SearchCursor 按照需要将数据中的值拿出来 例子 数据 用上面的数据 检索数据 代码语言:javascript 复制 #检索所有数据witharcpy.da.SearchCursor(data,fileds)ascursor:forrowincursor:print(u'id:%s;accode:%s;xy:...
cursor = arcpy.da.InsertCursor(fc, {"STREETNAME"}) cursor.insertRow(["NEW STREET"]) 1. 2. 3. 4. 默认情况下,新插入的数据位于表末尾。表中游标没有遍历到的字段会分配为默认值,通常为“null”。 2.3更新对象 更新游标可根据游标的位置更新和删除行。updateRow方法用于对行对象进行更新。
cursor=arcpy.da.UpdateCursor(outfc, ["OID@","SHAPE@"])forrowincursor: partnum=0 row1_new=arcpy.Array()forpartinrow[1]: part_new=arcpy.Array()forpntinpart:ifpnt: point_new=arcpy.Point(pnt.X,pnt.Y,pnt.Z+h) part_new.append(point_new)print("{}, {}".format(pnt.X, pnt.Y))...
cursor = arcpy.da.InsertCursor(outfc, ["SHAPE@"]) with arcpy.da.SearchCursor(infc, ["OID@", "SHAPE@"]) as qcursor: for row in qcursor: partnum = 0 row1_line= arcpy.Array() for part in row[1]: linearr=arcpy.Array()
对于每个分组,使用arcpy.da.InsertCursor将要素插入到对应的新要素类中。 python # 插入要素到新要素类中 with arcpy.da.InsertCursor(new_feature_class, fields) as insert_cursor: for feature in features: insert_cursor.insertRow(feature) 验证复制过程是否成功,并处理可能出现的错误: 在执行上述步骤时,可能...
cursor.insertRow(row); # 读取线表,并构建线 xls = xlrd.open_workbook("d:/temp/pipe_data/ws_line.xlsx"); sht = xls.sheets()[0]; rn = sht.nrows; cn = sht.ncols; with arcpy.da.InsertCursor("lines",["spoint","epoint","SHAPE@"]) as cursor: ...