数据文件 下列文件组合起来描述一个图层： 后缀名 描述 格式 .tab 描述Mapinfo表结构，说明数据文件格式 文本 .dat(.mdb/.dbf/.txt/.xls/.wks) 表格数据 二进制 .map 图形对象（无图形对象则不存在） 二进制 .id 连接数据和地图对象的参照文件（无对象则不存在） 二进制 .ind 索引文件，查找地图对象 二进制   描述地图的文件有两种： .gst 文本格式，.tab文件的集合，不能存入数据库 .mdf XML格式，包含各图层的信息，可以存入数据库，推荐使用   .tab文件结构 header !table !version 300 !charset WindowsLatin1 body commands MapBasic命令，在读入下一部分（table definition）前顺序执行。 table definition 描述表结构 有下列几种： NATIVE格式 Definition Table 必须 Type NATIVE Charset "WindowsLatin1" 必须 Fields 4 必须，域段数量   id Integer Index 1 ;   域段名字，类型，索引   structure_type Char (13) ; ...   mast_type Char (15) ;  …   foundation_type Char (17) ; …   栅格文件 Definition Table 必须 File "sf_rastc.bil" 必须，栅格文件名 Type "RASTER" 必须 (548421,4183579) (0,0) Label "Pt 1",   (548441,4183579) (1,0) Label "Pt 2", (548421,4183559) (0,1) Label "Pt 3" CoordSys Earth Projection 8, 62, "m", -123, 0, 0.9996, 500000, 0 Units "m"   RasterStyle 2 62   mig文件 Definition Table 必须 File "bidon_value.mig" 必须，MIG文件名 Type "RASTER" 必须 (297153.63503593224,5007379.3522604182) (0,0) Label "",   (312554.15366307431,5007379.3522604182) (204,0) Label "", (312554.15366307431,4992205.3118483815) (204,201) Label "", (297153.63503593224,4992205.3118483815) (0,201) Label "" CoordSys Earth Projection 8, 33, "m", -73.5, 0, 0.9999, 304800, 0 Units "m"   RasterStyle 6 1   begin_metadata … end_metadata 元数据 分隔ASCII Definition Table 必须 Type ASCII Delimiter 09 Titles Charset "WindowsLatin1" 必须 Fields 3 和NATIVE类似   Start Float ;     End Float ;     Side Char (6) ;   Excel XLS文件 Definition Table 必须 TypeXLSTitlesRange "Sheet1" 必须 Fields 3 和NATIVE类似    A Float ;      B Float ;      C Char (6) ;     Lotus WK*文件 Definition Table 必须 File "lotus.wk4" 必须，指定文件名 Type WKS Titles 必须 Fields 1 和NATIVE类似    A Char (1) ;   Access MDB文件 Definition Table 必须 File "sample.mdb" MDB文件名 Type ACCESS TABLE "rdatbln_line" Charset "WindowsLatin1" 必须  Fields 5 和NATIVE类似    FNODE_ Integer ;      TNODE_ Integer ;      LPOLY_ Integer ;      RPOLY_ Integer ;      LENGTH Float ;     元数据 begin_metadata "\IsReadOnly" = "FALSE" "\Identification" = "" "\Identification\Use Constraints" = "For use with MapInfo Professional" "\Identification\Access Constraints" = "Licensed Users" "\Identification\Domain" = "" "\Identification\Domain\Bounds" = "" "\Identification\Domain\Bounds\West" = "-16190368.44" "\Identification\Domain\Bounds\East" = "16606614.14" "\Identification\Domain\Bounds\North" = "6743291.67" "\Identification\Domain\Bounds\South" = "-5501153.1" "\Identification\Citation" = "MapInfo Professional Bundled Maps; World Capitals" "\Identification\Description" = "" "\Identification\Description\Abstract" = "Location of world capitals.Also included regional and colonial capitals of significant areas belonging to other countries.Based on current World Almanac and UN definitions of Countries." "\Identification\Time Period" = "" "\Identification\Time Period\Currentness" = "1995" "\Identification\Keywords" = "" "\Identification\Keywords\Theme" = "" "\Identification\Keywords\Theme\Geography" = "World" "\Identification\Keywords\Theme\Geography\Abbreviation" = "" "\Identification\Keywords\Theme\Content" = "Reference Data" "\Identification\Keywords\Place" = "" "\Identification\Keywords\Place\Layers" = "" "\Identification\Keywords\Place\Layers\Count" = "1" "\Identification\Keywords\Place\Layers\Layer1Name" = "World" "\Identification\Keywords\Place\Layers\Layer1" = "World" "\Spatial Reference" = "" "\Spatial Reference\Geographic" = "" "\Spatial Reference\Geographic\Projection" = "" "\Spatial Reference\Geographic\Projection\Clause" = "CoordSys Earth Projection 12, 62, ""m"", 0 Bounds (-34012036.7393, -8625248.51472) (34012036.7393, 8625248.51472)" "\Spatial Reference\Geographic\Projection\Name" = "Robinson" "\Spatial Reference\Geographic\Coordinate Units" = "Meters" "\Spatial Reference\Geodetic" = "" "\Spatial Reference\Geodetic\Datum" = "NAD 27" "\Spatial Reference\Geodetic\Ellipsoid" = "Clarke 1866" "\Spatial Organization" = "" "\Spatial Organization\Object" = "" "\Spatial Organization\Object\Type1" = "Regions" "\Spatial Organization\Object\Type1\Count" = "0" "\Spatial Organization\Object\Type2" = "Points" "\Spatial Organization\Object\Type2\Count" = "214" "\Spatial Organization\Object\Type3" = "Polylines" "\Spatial Organization\Object\Type3\Count" = "0" "\Spatial Organization\Object\Type4" = "Lines" "\Spatial Organization\Object\Type4\Count" = "0" "\Spatial Organization\Object\All" = "" "\Spatial Organization\Object\All\TotalCount" = "214" "\Spatial Organization\Method" = "" "\Spatial Organization\Method\Type" = "Points" "\Quality" = "" "\Quality\Lineage" = "" "\Quality\Lineage\Source" = "" "\Quality\Lineage\Source\Vintage" = "1995" "\Quality\Lineage\Source\Scale" = "~ 1:20,000,000" "\Quality\Lineage\Source\Citation" = "MapInfo from Digital Chart of the World" end_metadata   Oracle Spatial 一个空间数据表对应着下面数据字典表中的一行。 MAPINFO_MAPCATALOG CREATE TABLE MAPINFO.MAPINFO_MAPCATALOG ( SPATIALTYPE NUMBER, TABLENAME VARCHAR2(32), OWNERNAME VARCHAR2(32), SPATIALCOLUMN VARCHAR2(32), DB_X_LL NUMBER, DB_Y_LL NUMBER, DB_X_UR NUMBER, DB_Y_UR NUMBER, COORDINATESYSTEM VARCHAR2(254), SYMBOL VARCHAR2(254), XCOLUMNNAME VARCHAR2(32), YCOLUMNNAME VARCHAR2(32), RENDITIONTYPE NUMBER, RENDITIONCOLUMN VARCHAR2(32), RENDITIONTABLE VARCHAR2(32)); --在TABLENAME,OWNERNAME上创建索引 CREATE UNIQUE INDEX MAPINFO_MAPCATALOG_INDEX ON MAPINFO.MAPINFO_MAPCATALOG (TABLENAME,OWNERNAME);   表域段说明 域段名 取值 示例 SPATIALTYPE SpatialWare值: 5.0 (SpatialWare points) 5.1 (SpatialWare lines) 5.2 (SpatialWare regions) 5.3 (SpatialWare, all types of features) Informix IUS值: 11.0 (IUS SW Blade points) 11.1 (IUS SW Blade lines) 11.2 (IUS SW Blade regions) 11.3 (IUS SW Blade, all types of features) 5.3 TABLENAME 表名 Country OWNERNAME 所有者 PKUGIS SPATIALCOLUMN 字段名，可能包含空间属性 SW_GEOMETRY(mappable using SpatialWare Type/IUS) NO_COLUMN (mappable using X-Y) MI_SQL_MICODE (mappable using MI Code) 或IUS字段名(ST_SPATIAL数据类型) SW_GEOMETRY DB_X_LL 图层外接四边形左下角的X坐标 -360 DB_Y_LL 图层外接四边形左下角的Y坐标 -90 DB_X_UR 图层外接四边形右上角的X坐标 360 DB_Y_UR 图层外接四边形右上角的Y坐标 90 COORDINATESYSTEM 参考坐标系 Earth Projection 1, 0 SYMBOL 若图层只包含点，则用Symbol； 若有线或区域边界，则用Pen 另外还有Brush Symbol(35,0,12) Pen(1,2,0) Pen(1,2,0) Brush(2,255,255) XCOLUMNNAME 包含X坐标的字段的名称，若没有，则为NO_COLUMN. NO_COLUMN YCOLUMNNAME 包含Y坐标的字段的名称，若没有，则为NO_COLUMN. NO_COLUMN RENDITIONTYPE   1 RENDITIONCOLUMN     RENDITIONTABLE