DB36江西省市場監(jiān)督管理局發(fā)布 城鎮(zhèn)地理實(shí)體空間數(shù)據(jù)規(guī)范24.3高程基準(zhǔn)采用1985國家高程基準(zhǔn)。5概念模型5.1圖元層地理實(shí)體層由一個(gè)或者多個(gè)圖元組成，用圖元或圖元的組合表達(dá)。地理實(shí)體通過地理實(shí)體標(biāo)識(shí)碼(ENTIID)唯一標(biāo)識(shí)。一個(gè)圖元可以歸屬于一個(gè)或多個(gè)地理實(shí)體。5.3邏輯結(jié)構(gòu)5.3.1地理實(shí)體數(shù)據(jù)的邏輯結(jié)構(gòu)由描述其狀態(tài)的圖元信息和地理實(shí)體信息組成。圖元信息包含了記錄5.3.2當(dāng)一個(gè)圖元?dú)w屬于多個(gè)地理實(shí)體時(shí)，圖元的地理實(shí)體標(biāo)識(shí)碼信息須分別與其所屬的地理實(shí)體的標(biāo)識(shí)碼保持一致。示例：以路網(wǎng)數(shù)據(jù)為例說明地理實(shí)體數(shù)據(jù)的邏輯結(jié)構(gòu)。圖1所示的道路a01由路段00001、00002和00003組成，道路a02由路段00003、00004和00005組成，他們共同擁有一個(gè)圖元00003,該圖元屬于道路a01時(shí)，其地理實(shí)體標(biāo)識(shí)碼與道路a01的地理實(shí)體標(biāo)識(shí)碼保持一致，如屬于道路a02時(shí)，其地理實(shí)體標(biāo)識(shí)碼與道路a02的地理實(shí)體標(biāo)識(shí)碼保持一道路a01道路a02圖1路網(wǎng)實(shí)體數(shù)據(jù)示意圖實(shí)體表示例圖元表示例6數(shù)據(jù)基本規(guī)定信息要素分類與代碼110201110202110203110205110207110302110303110401110501110502110503110505110601110801數(shù)據(jù)屬性項(xiàng)1M2M3C4M5C6C7255C8C9C10C12ELEMCLASSID12M3M4C5C6C7EVELVIEW10C1O2C316O1SL_BZO2O312O4O5C6O7O8O9O10O11C1C2O3O4O1SL_BZ12O2O3C4O5O6O7O8O9C1SL_BZ12O2O3O4O5O6O7O8C1SL_BZ12O2O3O4O5O6O7C1SL_BZ12O2O3O4O5O6O7C1SL_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,1C110C2O3O4O5O6O7O8O9O10O11O12O13O1410C15O16O17O18O19O110C2O3O4O5O6O7O8O9O10O1110C12O13O14O15O16O17O1810C19OO21O22O1C2O3O4O1M2O3C4O5O6O7O8O1O2O3O4O1O2O3O4O1O2O3O4O5O1O2O3O4OOOO255OO1010101010101011103010100101103011000111103011100121103011200131103011300101141103011400151103011500010101010101010111011120101010101110501010010110501100001010101011010127601010101010101CC數(shù)據(jù)分層表9101112131415161718A1921YL_YiLiao_A22YL_FuLi_A2325YL_XiuXian_AA27YL_TiYu_A3031323334353637383941_ 43_A44_P45515253555761A A717273757781A7172737