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            穩定盈利的期貨交易方法-量化趨勢交易

            alantop -專業量化投資者

            愛好:量化投資,逆向工程,滲透
            隨筆 - 595, 文章 - 0, 評論 - 921, 引用 - 0
            數據加載中……

            MapInfo數據字典、文件結構說明

            數據文件
            下列文件組合起來描述一個圖層:

            后綴名
             描述
             格式
             
            .tab
             描述Mapinfo表結構,說明數據文件格式
             文本
             
            .dat(.mdb/.dbf/.txt/.xls/.wks)
             表格數據
             二進制
             
            .map
             圖形對象(無圖形對象則不存在)
             二進制
             
            .id
             連接數據和地圖對象的參照文件(無對象則不存在)
             二進制
             
            .ind
             索引文件,查找地圖對象
             二進制
             

             

            描述地圖的文件有兩種:

            .gst
             文本格式,.tab文件的集合,不能存入數據庫
             
            .mdf
             XML格式,包含各圖層的信息,可以存入數據庫,推薦使用
             

             

            .tab文件結構
            header
            !table

            !version 300

            !charset WindowsLatin1

            body
            commands
            MapBasic命令,在讀入下一部分(table definition)前順序執行。

            table definition
            描述表結構

            有下列幾種:

            NATIVE格式
            Definition Table
             必須
             
            Type NATIVE Charset "WindowsLatin1"
             必須
             
            Fields 4
             必須,域段數量
             
              id Integer Index 1 ;  
             域段名字,類型,索引
             
              structure_type Char (13) ;
             ...
             
              mast_type Char (15) ; 
             …
             
              foundation_type Char (17) ;
             …
             

             

            柵格文件
            Definition Table
             必須
             
            File "sf_rastc.bil"
             必須,柵格文件名
             
            Type "RASTER"
             必須
             
            (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
             必須
             
            File "bidon_value.mig"
             必須,MIG文件名
             
            Type "RASTER"
             必須
             
            (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
             元數據
             

            分隔ASCII
            Definition Table
             必須
             
            Type ASCII Delimiter 09 Titles Charset "WindowsLatin1"
             必須
             
            Fields 3
             和NATIVE類似
             
              Start Float ;
             
             
              End Float ;
             
             
              Side Char (6) ;
             
             

            Excel XLS文件
            Definition Table
             必須
             
            TypeXLSTitlesRange "Sheet1"
             必須
             
            Fields 3
             和NATIVE類似
             
               A Float ;
             
             
               B Float ;
             
             
               C Char (6) ;
             
             

             

            Lotus WK*文件
            Definition Table
             必須
             
            File "lotus.wk4"
             必須,指定文件名
             
            Type WKS Titles
             必須
             
            Fields 1
             和NATIVE類似
             
               A Char (1) ;
             
             

            Access MDB文件
            Definition Table
             必須
             
            File "sample.mdb"
             MDB文件名
             
            Type ACCESS TABLE "rdatbln_line" Charset "WindowsLatin1"
             必須
             
            Fields 5
             和NATIVE類似
             
               FNODE_ Integer ;
             
             
               TNODE_ Integer ;
             
             
               LPOLY_ Integer ;
             
             
               RPOLY_ Integer ;
             
             
               LENGTH Float ;
             
             

             

            元數據
            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
            一個空間數據表對應著下面數據字典表中的一行。

            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上創建索引

            CREATE

            UNIQUE INDEX MAPINFO_MAPCATALOG_INDEX ON MAPINFO.MAPINFO_MAPCATALOG (TABLENAME,OWNERNAME);

             

            表域段說明
            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,可能包含空間屬性

            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數據類型)
             SW_GEOMETRY
             
            DB_X_LL
             圖層外接四邊形左下角的X坐標
             -360
             
            DB_Y_LL
             圖層外接四邊形左下角的Y坐標
             -90
             
            DB_X_UR
             圖層外接四邊形右上角的X坐標
             360
             
            DB_Y_UR
             圖層外接四邊形右上角的Y坐標
             90
             
            COORDINATESYSTEM
             參考坐標系
             Earth Projection 1, 0
             
            SYMBOL
             若圖層只包含點,則用Symbol;

            若有線或區域邊界,則用Pen

            另外還有Brush
             Symbol(35,0,12) Pen(1,2,0) Pen(1,2,0) Brush(2,255,255)
             
            XCOLUMNNAME
             包含X坐標的字段的名稱,若沒有,則為NO_COLUMN.
             NO_COLUMN
             
            YCOLUMNNAME
             包含Y坐標的字段的名稱,若沒有,則為NO_COLUMN.
             NO_COLUMN
             
            RENDITIONTYPE
             
             1
             
            RENDITIONCOLUMN
             
             
             
            RENDITIONTABLE
             
             
             

            posted on 2008-08-14 21:49 AlanTop 閱讀(1651) 評論(0)  編輯 收藏 引用 所屬分類: gis數據格式

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